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January-March 2022
Volume 18 | Issue 1
Page Nos. 1-165
Online since Monday, January 3, 2022
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SYSTEMATIC REVIEWS
Pure laparoscopic versus open donor hepatectomy for adult living donor liver transplantation – A systematic review and meta-analysis
p. 1
Michail Papoulas, Abdul Rahman Hakeem, Nigel Heaton, Krishna V Menon
DOI
:10.4103/jmas.JMAS_103_21
PMID
:35017391
Background:
Pure laparoscopic donor hepatectomy (PLDH) for adult living donor liver transplantation (LDLT) remains controversial. The aim of this study was to undertake a systematic review and meta-analysis of donor outcomes following PLDH for adult LDLT.
Materials
and
Methods:
Systematic review in line with the meta-analysis of observational studies in epidemiology guidelines.
Results:
Eight studies were included in the systematic review and six in the meta-analysis. A total of 575 donors underwent PLDH for adult LDLT. The mean donor age was 32.8 years with a BMI of 23.4 kg/m
2
and graft weight of 675 g. The mean operative time was 353 min and the conversion rate was 2.8% (
n
= 16). Overall morbidity was 10.8% with 1.6% major complications (Clavien-Dindo grade 3b), zero mortality and 9.0 days length of stay (LOS). The meta-analysis demonstrated that the operative time was significantly shorter for the open donor hepatectomy group (mean difference 29.15 min;
P
= 0.006) and the LOS was shorter for the PLDH group (mean difference −0.73 days;
P
= 0.02), with a trend towards lesser estimated blood loss in PLDH group. However, no difference between the two groups was noted in terms of overall morbidity or major complications.
Conclusions:
Perioperative outcomes of PLDH are similar to the standard open approach in highly specialised centers with trend towards lesser blood loss and overall shorter hospital stay. Careful donor selection and standardisation of the technique are imperative for the successful implementation and adoption of the procedure worldwide.
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Laparoscopic versus open inguinal hernia repair in children: A systematic review
p. 12
Jie Zhao, Chengjun Yu, Jiandong Lu, Yi Wei, Chunlan Long, Lianju Shen, Tao Lin, Dawei He, Guanghui Wei, Lihua Kou, Shengde Wu
DOI
:10.4103/jmas.JMAS_229_20
PMID
:35017392
Purpose:
Considerable debates exist regarding the preferable technique to repair a paediatric inguinal hernia (PIH). This systematic review aims to compare the efficacy and safety of laparoscopic herniorrhaphy (LH) and open herniorrhaphy (OH) in PIH.
Methods:
The randomised controlled trials (RCTs) that compared the outcomes of LH and OH in PIH without region and language restrictions searched from the following databases: PubMed, Web of Science Database, Cochrane Library, SciELO Citation Index, Russian Science Citation Index, China National Knowledge Infrastructure, WanFang Data and China Science and Technology Journal Database.
Results:
A total of 13 RCTs that involving 1207 patients included in the review. The LH displayed a shorter operative time for bilateral hernia repair (weighted mean difference = −8.23, 95% confidence interval [CI]: −11.22~−5.23,
P
< 0.00001), a lower complication rate (odds ratio [OR] = 0.32, 95% CI: 013–0.83,
P
= 0.02) along with a lower wound infection (OR = 0.14, 95% CI: 0.04–0.55,
P
= 0.005) and major male-specific post-operative complications (OR = 0.10, 95% CI: 0.04–0.24,
P
< 0.00001) and a less contralateral metachronous inguinal hernia (CMIH) incidence rate (OR = 0.09, 95% CI: 0.02–0.42,
P
= 0.002). No significant difference was found for unilateral operative time, time to full recovery, length of hospital stay, recurrence and hydrocele rates between the two techniques.
Conclusion:
The present review reiterates that both the LH and OH techniques for the PIH repair are comparable. However, in some aspects, the LH is superior to the OH in terms of operative time for bilateral hernias, post-operative complications rate and CMIH incidence rate. Rigorously designed RCTs are anticipated to confirm the clinical effects of both LH and OH.
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ORIGINAL ARTICLES
Laparoscopic hepaticojejunostomy for benign biliary stricture: A case series of 16 patients at a tertiary care centre in India
p. 20
Manash Ranjan Sahoo, Manwar Sheikh Ali, Siddhant Sarthak, Jyotirmay Nayak
DOI
:10.4103/jmas.JMAS_223_20
PMID
:33885013
Background:
Gallstone disease is common in India, and since primary management involves surgery, it is one of the most commonly performed surgeries by a general surgeon either laparoscopically or open. There are various factors which are responsible for intra- and post-operative complications. These factors result in significant injuries which cause serious post-operative complications. Amongst them, benign biliary stricture is one such significant complication which is primarily managed by open surgery, but since advent of laparoscopy, there has been an increased interest in doing this repair laparoscopically.
Materials and Methods:
This is a retrospective study of 16 patients having obstructive jaundice due to benign biliary stricture on magnetic resonance cholangiopancreatography who were operated consecutively over the past 10 years laparoscopically and underwent laparoscopic Roux-en-Y hepaticojejunostomy.
Results:
All patients underwent laparoscopic hepaticojejunostomy. The mean surgical time was 280 min, and the mean blood loss was 176 ml. In the post-operative period, most of the patients were started orally after 48 h; four had atelectasis, eight had surgical site infection, none had seroma and two had bile leak. All post-operative complications responded to conservative management.
Conclusion:
The study demonstrates that laparoscopic surgery for benign biliary strictures is safe and feasible with acceptable results.
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A randomised controlled study on the effects of hernial sac stump fenestration on ultrasound seroma prevention in laparoscopic Type III inguinal hernia repair
p. 25
Wei-Ming Li, Yan-Bo Sun, Yi-Jun Li, Peng-Yuan Xu, Qing-Wen Xu, Li-Li Ding
DOI
:10.4103/jmas.JMAS_185_20
PMID
:33605930
Background:
The incidence of ultrasound seromas has significantly increased after large hernial sac surgery. Several methods are available for preventing ultrasound seromas, but the clinical results are poor. It has also been demonstrated that hernial sac stump fenestration during laparoscopic incisional hernia repair surgery can significantly decrease the incidence of ultrasound seromas.
Materials and Methods:
Ninety patients aged 18–75 years who were treated in our hospital for primary Type III indirect inguinal hernia from March 2017 to March 2018 were randomised to a preventive fenestration group and a control group. All patients underwent transabdominal preperitoneal repair. The number of ultrasound seromas in the inguinal regions and ultrasound seroma volume on day 6 and months 1 and 3 after surgery in the two groups were compared. The secondary outcomes included length of surgery, urinary retention, acute pain, chronic pain, length of hospitalisation, recurrence rate and other complications.
Results:
There were no significant differences in demographic characteristics. Ultrasound seroma incidence and ultrasound seroma volume on day 6 and months 1 and 3 after surgery were significantly lower in the preventive fenestration group than that in the control group. There were no significant differences in the length of hospitalisation or incidence of acute pain or urinary retention between the two groups.
Conclusions:
Hernial sac stump fenestration after hernial sac transection in inguinal hernia repair surgery is a simple method that can effectively reduce post-operative ultrasound seromas.
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Comparison of reverse puncture device and overlap in laparoscopic total gastrectomy for gastric cancer
p. 31
Cheng Chen, Meng Wei, Xingbo Feng, Haifeng Han, Chao Wang, Qingsi He, Wenbin Yu
DOI
:10.4103/jmas.JMAS_276_19
PMID
:33047683
Background:
Intracorporeal oesophagojejunostomy is one of the key steps in laparoscopic total gastrectomy (LTG). At present, there is no widely accepted anastomosis technique in oesophagojejunostomy.
Materials and Methods:
We retrospectively studied 63 patients with gastric cancer who underwent LTG. Two types of anastomosis techniques have been applied during LTG: the reverse puncture device (RPD) (28 patients) and overlap (35 patients).
Results:
A total of 63 patients (51 males and 12 females: mean age = 58 years and mean body mass index [BMI] = 26.3 kg/m
2
) were enrolled in this study. There were no significant difference in age, BMI, duration of surgery, duration of anastomosis, blood loss, post-operative hospital stay, tumour location, tumour size, degree of tumour differentiation, Borrmann type, total number of lymph nodes, number of positive lymph nodes, hospital stay, hospitalisation costs, intra-operative complications, post-operative complications and prognosis between the RPD group and the overlap group. RPD group showed a significant advantage in terms of the distance between the top border of tumours and the top resection margin (
P
< 0.001). We further found that the oesophageal lateral negative surgical margin distance of the upper gastric cancer in the RPD group was significantly longer than that in the overlap group (
P
< 0.001).
Conclusions:
Both the RPD and overlap techniques are safe and applicable in LTG. However, RPD has the advantage of obtaining an adequate safe margin compared with that of overlap technique, especially in patients with gastro-oesophageal junction carcinoma.
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Effect of one anastomosis gastric bypass on liver function tests: A comparison between 150 cm and 200 cm biliopancreatic limbs
p. 38
Miraheal Adadzewa Sam, Abdulzahra Hussain, Maya Elizabeth Pegler, Emma Jane Bligh Pearson, Islam Omar, Maureen Boyle, Rishi Singhal, Kamal Mahawar
DOI
:10.4103/jmas.JMAS_249_20
PMID
:33885014
Context:
Some studies have shown that one anastomosis gastric bypass (OAGB) results in the derangement of liver function tests (LFTs). We wanted to study this in our patients.
Aims:
The aims are to study the effect of OAGB on LFTs and to compare the effect of a biliopancreatic limb (BPL) of 150 cm (OAGB-150) to a BPL of 200 cm (OAGB-200).
Settings and Design:
The study was a retrospective cohort study conducted at a university hospital.
Materials and Methods:
Information was obtained from our prospectively maintained database and hospital's computerised records.
Statistical Analysis:
A
P
< 0.05 was regarded statistically significant; however, given the number of variables examined, findings should be regarded as exploratory.
Results:
A total of 405 patients underwent an OAGB-200 (
n
= 234) or OAGB-150 (
n
= 171) in our unit between October 2012 and July 2018. There were significant improvements in gamma-glutamyl transpeptidase (GGT) levels at 1 and 2 years after OAGB-200 and significant worsening in the levels of alkaline phosphatase (ALP) and albumin at 1 and 2 years. There was a significant improvement in GGT levels at 1 and 2 years after OAGB-150 and in alanine transaminase levels at 1 year. There was a significant worsening in ALP and albumin levels at both follow-up points in this group. OAGB-150 group had a significantly lower bilirubin level at 1 year and significantly fewer abnormal ALP values at 2 years in comparison with OAGB-200 patients.
Conclusions:
This exploratory study demonstrates the overall safety of OAGB with regard to its effect on LFTs, with no remarkable difference between OAGB-150 and OAGB-200.
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'Hot gall bladder service' by emergency general surgeons: Is this safe and feasible?
p. 45
Mohammad Imtiaz, Samip Prakash, Sara Iqbal, Roland Fernandes, Ankur Shah, Ashish K Shrestha, Sanjoy Basu
DOI
:10.4103/jmas.JMAS_271_20
PMID
:33885031
Background:
Despite NICE/AUGIS recommendations, the practice of early laparoscopic cholecystectomy (ELC) has been particularly poor in the UK offered only by 11%–20% surgeons as compared to 33%–67% internationally, possibly due to financial constraints, logistical difficulties and shortage of expertise, thus, reflecting the varied provision of emergency general surgical care. To assess whether emergency general surgeons (EGS) could provide a 'Hot Gall Bladder Service' (HGS) with an acceptable outcome.
Patients and Methods:
This was a prospective HGS observational study that was protocol driven with strict inclusion/exclusion criteria and secure online data collection in a district general hospital between July 2018 and June 2019. A weekly dedicated theatre slot was allocated for this list.
Results:
Of the 143 referred for HGS, 86 (60%) underwent ELC which included 60 (70%) women. Age, ASA and body mass index was 54* (18–85) years, II* (I-III) and 27* (20–54), respectively. 86 included 46 (53%), 19 (22%), 19 (22%) and 2 (3%) patients presenting with acute calculus cholecystitis, gallstone pancreatitis, biliary colic, and acalculus cholecystitis, respectively. 85 (99%) underwent LC with a single conversion. Grade of surgical difficulty, duration of surgery and post-operative stay was 2* (1–4) 68* (30–240) min and 0* (0–13) day, respectively. Eight (9%) required senior surgical input with no intra-operative complications and 2 (2%) 30-day readmissions. One was post-operative subhepatic collection that recovered uneventfully and the second was pancreatitis, imaging was clear requiring no further intervention.
Conclusion:
In the current climate of NHS financial crunch, COVID pandemic and significant pressure
on
inpatient beds: Safe and cost-effective HGS can be provided by the EGS with input from upper GI/HPB surgeons (when required) with acceptable morbidity and a satisfactory outcome. *Median
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First 100 minimally invasive liver resections in a new tertiary referral centre for liver surgery
p. 51
Giuliano La Barba, Leonardo Solaini, Giorgia Radi, Maria Teresa Mirarchi, Fabrizio D'Acapito, Andrea Gardini, Alessandro Cucchetti, Giorgio Ercolani
DOI
:10.4103/jmas.JMAS_310_20
PMID
:35017393
Background:
In the last decades, there has been an exponential diffusion of minimally invasive liver surgery (MILS) worldwide. The aim of this study was to evaluate our initial experience of 100 patients undergoing MILS resection comparing their outcomes with the standard open procedures.
Materials and Methods:
One hundred consecutive MILS from 2016 to 2019 were included. Clinicopathological data were reviewed to evaluate outcomes. Standard open resections were used as the control group and compared exploiting propensity score matching.
Results:
In total, 290 patients were included. The rate of MILS has been constantly increasing throughout years, representing the 48% in 2019. Of 100 (34.5%) MILS patients, 85 could be matched. After matching, the MILS conversion rate was 5.8% (
n
= 5). The post-operative complication rates were higher in the open group (45.9% vs. 31.8%,
P
= 0.004). Post-operative blood transfusions were less common in the MILS group (4.7% vs. 16.5%,
P
= 0.021). Biliary leak occurred in 2 (2.4) MILS versus 13 (15.3) open. The median comprehensive complication index was higher in the open group (8.7 [0–28.6] vs. 0 [0–10.4],
P
= 0.0009). The post-operative length of hospital stay was shorter after MILS (median 6 [5–8] vs 8 [7–13] days,
P
< 0.0001).
Conclusions:
The rate of MILS has been significantly increasing throughout the years. The benefits of MILS over the traditional open approach were confirmed. The main advantages include lower rates of post-operative complications, blood transfusions, bile leaks and a significantly decreased hospital stay.
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Minimally invasive surgery in India during the COVID-19 pandemic: A survey
p. 58
Pavithra Balakrishna, Hemant Kumar Singh, Naresh P Kumar, Limalemla Jamir
DOI
:10.4103/jmas.JMAS_244_20
PMID
:35017394
Background:
The coronavirus disease 2019 (COVID-19) pandemic has posed an unprecedented challenge to the healthcare systems worldwide. This uncharted territory has changed the practices in modern healthcare delivery; this is particularly true in the case of minimally invasive surgery (MIS) where various changes are being adopted. This survey was conducted to determine the impact of the pandemic and the changes being adopted in the field of MIS, from a resource-limited developing country, India.
Materials and Methods:
The survey was carried out from 27 July to 22 August 2020, amongst MIS surgeons in India using an online questionnaire generated on
Google Forms
.
Results:
The survey was completed by 251 MIS surgeons nationwide. There was a proportional reduction of overall elective surgeries and MIS. Approximately 30% of the surgeons continued to use MIS, as during the pre-pandemic era. Pre-operative tests for COVID-19 (96.1%) and personal protective equipment (PPE, 66%–86%), including respirators (95.2%), are used uniformly across the nation. Almost half (43.1%) of the MIS surgeons are using ≥6 recommended intraoperative modifications in MIS to mitigate the COVID-19 transmission.
Conclusion:
MIS surgeons in India have adapted within a short time to the challenge of the pandemic by embracing pre-operative testing, PPE and new techniques/technologies to continue patient care. Innovations and low-cost indigenous customisations are the need of the hour for a developing country like India. Further studies are required to establish the true risk of viral transmission involved in MIS and the efficacies of the techniques/devices to reduce the spread of the virus.
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Robotic surgery enables safe and comfortable single-incision cholecystectomy: A comparison of robotic and laparoscopic approaches for single-incision surgery
p. 65
Jaeim Lee, Kee-Hwan Kim, Tae Yoon Lee, Joseph Ahn, Say-June Kim
DOI
:10.4103/jmas.JMAS_274_19
PMID
:33047682
Background:
Although single-incision robotic cholecystectomy (SIRC) overcomes various limitations of single-incision laparoscopic cholecystectomy (SILC), it is associated with high cost. In this study, we intended to investigate if SIRC is recommendable and advantageous to patients despite its high cost.
Materials and Methods:
We prospectively collected and analysed data of patients who had undergone either SILC (
n
= 25) or SIRC (
n
= 50) for benign gallbladder diseases, with identical inclusion criteria, between November 2017 and February 2019.
Results:
SILC and SIRC showed similar operative outcomes in terms of intra- and post-operative complications and verbal numerical rating scale (VNRS) for pain. However, the SIRC group exhibited significantly longer operation time than the SILC group (83.2 ± 32.6 vs. 66.4 ± 32.8,
P
= 0.002). The SIRC group also showed longer hospital stay (2.4 ± 0.7 vs. 2.2 ± 0.6,
P
= 0.053). Although the SILC and SIRC groups showed no significant difference in VNRS, the SIRC group required a higher amount (126.0 ± 88.8 mg vs. 87.5 ± 79.7 mg,
P
= 0.063) and frequency (3.0 ± 2.1 vs. 2.0 ± 1.8,
P
= 0.033) of intravenous opioid analgesic administration. During surgery, the critical view of safety (CVS), the prerequisite for safe cholecystectomy, was identified in only 24% (
n
= 6) of patients undergoing SILC and in 100% (
n
= 50) of patients undergoing SIRC (
P
< 0.05).
Conclusion:
We conclude that although SILC and SIRC have similar operative outcomes, SIRC is advantageous over SILC because of its potential to markedly enhance the safety of patients by proficiently acquiring CVS.
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Concurrent laparoscopic totally extraperitoneal inguinal hernia repair and transurethral resection of prostate: Breaking with convention – A retrospective study
p. 72
Rafique Umer Harvitkar, Prakash Chandra Shetty, Abhijit Joshi
DOI
:10.4103/jmas.JMAS_260_20
PMID
:35017395
Aim:
This study aimed to evaluate concurrent laparoscopic totally extraperitoneal (TEP) inguinal hernia repair and transurethral resection of the prostate (TURP) with determination of outcomes.
Materials and Methods:
This retrospective study was conducted at our hospital, from June 2011 to June 2020. Over 9 years, 17 patients with co-existing uncomplicated unilateral or bilateral inguinal hernia (primary/recurrent) and significant benign prostatic hypertrophy were operated in the same sitting. The following outcomes were compared: duration of the surgery, conversion to open hernia surgery, intraoperative and post-operative complications, duration of hospital stay, recurrence, time taken to resume normal activity and cost of the treatment.
Results:
This study included 17 patients with a mean age of 65 years (range of 50–87 years). The average time taken for the surgery was 115 min with no conversion to open hernia repair. The mean post-operative stay was 3.7 days. There were four patients (23.5%) with seromas identified at day 10, only two remained at 6 weeks and none at 12 weeks. None had significant bleeding intraoperatively or postoperatively. There was no superficial or deep wound infection (including mesh infection). There was no recurrence of inguinal hernia. Two patients (11.7%) developed post-TURP urethral stricture and underwent cystoscopic stricturoplasty, 3 and 2.5 months after the initial procedure. The time taken to resume normal activity was 7 (±1) days. The hospital cost is reduced by 25% as compared to the sum of costs when both the operations are done separately.
Conclusion:
Concurrent TEP inguinal hernia repair and TURP is a practical, safe and cost-effective procedure.
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Comparative analysis of open, laparoscopic and robotic distal pancreatic resection: The United Kingdom's first single-centre experience
p. 77
Sivesh Kathir Kamarajah, Nathania Sutandi, Gourab Sen, John Hammond, Derek M Manas, Jeremy J French, Steven A White
DOI
:10.4103/jmas.JMAS_163_20
PMID
:35017396
Introduction:
Laparoscopic distal pancreatectomy (LDP) has potential advantages over its open equivalent open distal pancreatectomy (ODP) for pancreatic disease in the neck, body and tail. Within the United Kingdom (UK), there has been no previous experience describing the role of robotic distal pancreatectomy (RDP). This study evaluated differences between ODP, LDP and RDP.
Methods:
Patients undergoing distal pancreatectomy performed in the Department of Hepatobiliary and Pancreatic Surgery at the Freeman Hospital between September 2007 and December 2018 were included from a prospectively maintained database. The primary outcome measure was length of hospital stay, and the secondary outcome measures were complication rates graded according to the Clavien–Dindo classification.
Results:
Of the 125 patients, the median age was 61 years and 46% were male. Patients undergoing RDP (
n
= 40) had higher American Society of Anesthesiologists grading III compared to ODP (
n
= 38) and LDP (
n
= 47) (57% vs. 37% vs. 38%,
P
= 0.02). RDP had a slightly lower but not significant conversion rate (10% vs. 13%,
P
= 0.084), less blood loss (median: 0 vs. 250 ml,
P
< 0.001) and a higher rate of splenic preservation (30% vs. 2%,
P
< 0.001) and shorter operative time, once docking time excluded (284 vs. 300 min,
P
< 0.001) compared to LDP. RDP had a higher R0 resection rate than ODP and LDP (79% vs. 47% vs. 71%,
P
= 0.078) for neoplasms. RDP was associated with significantly shorter hospital stay than LDP and ODP (8 vs. 9 vs. 10 days,
P
= 0.001). While there was no significant different in overall complications across the groups, RDP was associated with lower rates of Grade C pancreatic fistula than ODP and LDP (2% vs. 5% vs. 6%,
P
= 0.194).
Conclusion:
Minimally invasive pancreatic resection offers potential advantages over ODP, with a trend showing RDP to be marginally superior when compared to conventional LDP, but it is accepted that that this is likely to be at greater expense compared to the other current techniques.
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Robotic enucleation of oesophageal leiomyoma technique and surgical outcomes
p. 84
Belal Bin Asaf, Sukhram Bishnoi, Harsh Vardhan Puri, Mohan Venkatesh Pulle, Robert James Cerfolio, Arvind Kumar
DOI
:10.4103/jmas.JMAS_263_20
PMID
:35017397
Introduction:
Complete enucleation of oesophageal leiomyoma is the treatment of choice, traditionally performed by open surgery. Minimally invasive thoracoscopic approaches have been proposed as an alternative to thoracotomy. Robotic surgical systems with improved dexterity, tremor filtration and stereoscopic vision are advancement over conventional thoracoscopy and may make the preservation of mucosal integrity relatively easier. We present herein our technique of robotic-assisted thoracoscopic (RATS) enucleation of oesophageal leiomyoma along with surgical outcomes and intermediate follow-up of 11 cases.
Materials and Methods:
The present study retrospectively reviews patients undergoing robotic portal oesophageal leiomyomectomy from March 2012 to October 2019. The collected data were analysed for demographic details, clinical presentation, size, shape, tumour location, operating time, post-operative complications, length of hospital stay and recurrence on follow-up.
Results:
Twelve patients underwent robotic portal oesophageal leiomyomectomy with a clinical diagnosis of oesophageal leiomyoma. Of these, 11 patients were included in the study. The average operative time was 110 min, with a mean blood loss of 26 ml. There was no conversion in this series. At a median follow-up of 44 months (range 6–78 months), all patients were symptom-free with no recurrence or diverticula.
Conclusion:
Our series demonstrates the safety and feasibility of RATS oesophageal enucleation with good short and intermediate outcomes. In our opinion, the robotic system's technical advantages are particularly beneficial for oesophageal leiomyoma enucleation.
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Does powered stapler improve the mechanical integrity of gastrojejunal anastomosis compared to the current techniques? Experimental study in
ex vivo
porcine models
p. 90
Mohamed Sahloul, Spyridon Kapoulas, Leeying Giet, Christian Ludwig, Kamal Mahawar, Ashley R Dennison, Rishi Singhal
DOI
:10.4103/jmas.JMAS_222_20
PMID
:35017398
Background:
Numerous techniques have been described for fashioning gastrojejunostomy (GJ) in a Roux-en-Y gastric bypass. These include hand-sewn anastomosis (HSA) and mechanical anastomosis; the latter includes circular stapled anastomosis (CSA) or manual linear stapled anastomosis (mLSA). More recently, this list also includes powered linear stapled anastomosis (pLSA). The aim of this study was to analyse if addition of power to stapling would improve the integrity of GJ anastomosis in
ex vivo
porcine models.
Subjects and Methods:
The present study included five groups – mLSA1, mLSA2, HSA, CSA, and pLSA. Sequential infusions of methylene blue-coloured saline were performed into the GJ models. Pressure readings were recorded till the point of leak denoting burst pressure (BP). Total volume (TV) and site of leak were recorded. Compliance was calculated from the equation ΔTV/ΔBP.
Results:
Differences in pouch and intestinal thickness were not statistically significant between the models. BPs were higher in the mechanical anastomosis groups, i.e., pLSA 21 ± 9.85 mmHg, CSA 20.33 ± 5.78 mmHg, mLSA1 18 ± 4.69 mmHg and mLSA2 11 ± 2.94 mmHg, when compared to HSA 9.67 ± 3.79 mm Hg, which was found to be statistically significant (Kruskal–Wallis test,
P
= 0.03). Overall, the highest BP was recorded for powered stapling followed by circular, and then, linear stapling; however, this difference was not statistically significant (
P
= 0.86). There was no statistically significant difference among groups with regard to compliance (Kruskal–Wallis test,
P
= 0.082).
Conclusion:
Despite the limited number of samples, mechanical anastomosis showed a statistically higher BP when compared to HSA, suggesting better anastomotic integrity. The pLSA group showed promising results with the highest BP recorded among all groups; however, this did not reach statistical significance.
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Is there a role for upper gastrointestinal contrast study to predict the outcomes of sleeve gastrectomy? Lessons learnt from a prospective study
p. 97
Shivanshu Misra, Shankar Balasubramanian, B Srikanth, Saravana Kumar, S Christinajoice, Deepa Nandhini, P Praveen Raj
DOI
:10.4103/jmas.JMAS_186_20
PMID
:35017399
Context
: The importance of upper gastrointestinal (UGI) contrast study following sleeve gastrectomy (SG) is equivocal. It can, however, yield anatomical and functional details, the significance of which mostly remains unknown.
Settings and Design
: This prospective, single-center study included SG patients between January 2018 and January 2019.
Materials and Methods
: UGI contrast study was done on post-operative day 1. The findings of the study namely gastroesophageal junction (GEJ) holdup time, presence of fundus, gastroduodenal emptying (GDE) time, and sleeve shape were compared with weight loss, improvement of glycosylated hemoglobin (HbA1c) and gastroesophageal reflux disease (GERD) symptoms at 3, 6, and 12 months follow-up.
Results
: There were 138 patients with 100% follow-up. Radiological sleeve patterns observed were: tubular (62.3%), superior (16.0%), and inferior (21.7%) pouches. GEJ holdup time had no effect on percentage total weight loss (%TWL) (
P
= 0.09) or HbA1c improvement (
P
= 0.077). The absence of fundus led to greater %TWL at 6 months (
P
= 0.048). GDE time <15 s led to higher %TWL (
P
= 0.028) and lower HbA1c (
P
= 0.010) at 12 months. Antrum size <2 cm was associated with higher %TWL (
P
= 0.022) and lower HbA1c level (
P
= 0.047) at 12 months. Vomiting and regurgitation were common with tubular sleeves.
Conclusion:
UGI contrast study can predict weight loss, HbA1c improvement, and GERD symptoms. The absence of fundus, small antrum, and rapid GDE are associated with better weight loss. HbA1c improvement is better with small antrum and rapid GDE. Tubular sleeve predisposes to vomiting and regurgitation.
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Optimising working space for laparoscopic pyeloplasty in infants: Preliminary observations with the SGPGI Protocol
p. 105
Ankur Mandelia, Rudrashish Haldar, Yousuf Siddiqui, Ashwani Mishra
DOI
:10.4103/jmas.JMAS_202_20
PMID
:35017400
Aims:
This study aimed to test the efficacy of SGPGI protocol to minimise bowel distension and optimise working space for laparoscopic pyeloplasty in infants.
Methodology:
All infants who underwent laparoscopic pyeloplasty for unilateral pelvi-ureteric junction obstruction (PUJO) between January 2017 and March 2020 were included in the study. The patient cohort was divided into two groups: Group A and B. Group A included patients who underwent routine pre-operative preparation. Group B included patients wherein the SGPGI protocol was used. The key features of the protocol were fasting for 8 h, enemas, inserting a nasogastric tube in the pre-operative period and decompressing the colon on the operation table. Demographic features, pre-operative, intraoperative and post-operative parameters were compared between the two groups.
Results:
A total of 26 infants with unilateral PUJO underwent laparoscopic pyeloplasty during the study period. Group A included 12 patients and Group B included 14 patients. Both the groups were similar in age, weight and sex distribution. The median surgeon's rating score for suturing conditions was 2 for Group A and 5 for Group B patients (
P
> 0.05). The operating time was significantly longer in Group A (196 ± 21 min) as compared to Group B (114 ± 18 min) (
P
< 0.05). In Group A, intra-abdominal pressure (IAP) varied between 9 and 14 mmHg (median 12 mmHg), while in Group B, IAP varied between 6 and 9 mmHg (median 8 mmHg) (
P
< 0.05). In Group A, in 2/12 cases (16.7%), conversion to an open procedure was necessary because of inadequate working space owing to gross intestinal distension. Two patients in Group A also had intraoperative injuries to adjacent structures due to poor working space.
Conclusions:
Optimal working space is critical to the performance of advanced laparoscopic surgery like pyeloplasty in infants. SGPGI protocol significantly improves working space, which permits a faster and safer surgery with a lower intra-abdominal working pressure. This protocol is simple, safe and easy to replicate at most centres in our country.
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Factors predicting perioperative outcomes in patients with myasthenia gravis or thymic neoplasms undergoing thymectomy by video-assisted thoracoscopic approach
p. 111
B Vigneshwaran, Sanjeev Kumar Bhoi, Mukund Namdev Sable, Dillip Muduly, Mahesh Sultania, Menkha Jha, Sudipta Mohakud, Madhabananda Kar
DOI
:10.4103/jmas.JMAS_261_20
PMID
:35017401
Background:
The purpose of this study was to identify the factors which predict the perioperative outcomes after video-assisted thoracoscopic surgery (VATS) thymectomy in patients with myasthenia gravis (MG) or thymic neoplasms
Patients and Methods:
Data of consecutive patients who had undergone VATS thymectomy in our institution from August 2016 to April 2018 were collected retrospectively from a prospectively maintained database followed by prospective recruitment of patients who underwent VATS thymectomy from April 2018 to February 2020.
Results:
A total of 31 patients were included. Females were more common (51.6%), and 29 patients (93.5%) had MG. The most common indication for thymectomy was the presence of both MG and thymoma (51.6%). Most MG patients had moderate disease (55.2%) or severe (24.1%) disease preoperatively. Mean operative time and blood loss were 196.9 ± 63.5 min and 122.5 ± 115.3 ml, respectively. Mean hospital stay was 7.9 ± 6.7 days. The rate of major and minor complications was 16.18% and 35.4%, respectively. Multivariate linear regression analysis established that MG symptoms >12 months, prolonged invasive ventilation (intubation ≥24 h), and complications were associated significantly with a prolonged hospital stay. Adjusting for outliers, pre-operative disease severity (MG Foundation of America class), and intubation ≥24 h were the only factors that had a significant impact on perioperative outcomes.
Conclusion:
Pre-operative disease severity and post-operative invasive ventilation are strong determinants of perioperative outcomes. Pre-operative optimisation and early extubation protocols can further reduce morbidity in patients undergoing thymectomy by the VATS approach.
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Short- and long-term outcomes after minimally invasive versus open spleen-saving distal pancreatectomies
p. 118
Madeline Chee, Chuan-Yaw Lee, Ser-Yee Lee, London L. P. J. Ooi, Alexander Y. F. Chung, Chung-Yip Chan, Brian K. P. Goh
DOI
:10.4103/jmas.JMAS_178_20
PMID
:33885021
Introduction:
This study aimed to compare the perioperative outcomes of patients who underwent minimally invasive spleen-preserving distal pancreatectomy (MI-SPDP) versus open surgery SPDP (O-SPDP). It also aimed to determine the long-term vascular patency after spleen-saving vessel-preserving distal pancreatectomies (SSVDPs).
Methods:
A retrospective review of 74 patients who underwent successful SPDP and met the study criteria was performed. Of these, 67 (90.5%) patients underwent SSVDP, of which 38 patients (21 open, 17 MIS) had adequate long-term post-operative follow-up imaging to determine vascular patency.
Results:
Fifty-one patients underwent open SPDP, whereas 23 patients underwent minimally invasive SPDP, out of which 10 (43.5%) were laparoscopic and 13 (56.5%) were robotic. Patients who underwent MI-SPDP had significantly longer operative time (307.5 vs. 162.5 min,
P
= 0.001) but shorter hospital stay (5 vs. 7 days,
P
= 0.021) and lower median blood loss (100 vs. 200 cc,
P
= 0.046) compared to that of O-SPDP. Minimally-invasive spleen-saving vessel-preserving distal pancreatectomy (MI-SSVDP) was associated with poorer long-term splenic vein patency rates compared to O-SSVDP (
P
= 0.048). This was particularly with respect to partial occlusion of the splenic vein, and there was no significant difference between the complete splenic vein occlusion rates between the MIS group and open group (29.4% vs. 28.6%,
P
= 0.954). The operative time was statistically significantly longer in patients who underwent robotic surgery versus laparoscopic surgery (330 vs. 173 min,
P
= 0.008).
Conclusion:
Adoption of MI-spleen-preserving distal pancreatectomy (SPDP) is safe and feasible. MI-SPDP is associated with a shorter hospital stay, lower blood loss but longer operation time compared to O-SPDP. In the present study, MI-SSVDP was associated with poorer long-term splenic vein patency rates compared to O-SSVDP.
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A novel laparoscopic near-infrared fluorescence spectrum system with indocyanine green fluorescence overcomes limitations of near-infrared fluorescence image-guided surgery
p. 125
Yuma Ebihara, Liming Li, Takehiro Noji, Yo Kurashima, Soichi Murakami, Toshiaki Shichinohe, Satoshi Hirano
DOI
:10.4103/jmas.JMAS_165_20
PMID
:35017402
Background:
Near-infrared (NIR) fluorescence image-guided surgery (FIGS) introduces a revolutionary new approach to address this basic challenge in minimally invasive surgery. However, current FIGS systems have some limitations – the infrared rays cannot detect and visualise thick tissues with low concentrations of the fluorescent agent. We established a novel laparoscopic fluorescence spectrum (LFS) system using indocyanine green (ICG) fluorescence to overcome these limitations.
Materials and Methods:
Bovine serum albumin (BSA) was conjugated to ICG, and the mixtures were serially diluted at 5 × 10
−8
–5 × 10
−1
mg/mL. We used the LFS system and a NIR camera system (NLS; SHINKO OPTICAL CO., LTD Tokyo, Japan) to determine the optical dilution for the fluorescence detection. BSA was conjugated to ICG (5.0 × 10
−2
mg/mL) and used to coat the clips. We attempted to identify the fluorescence-coated clip from the serosal side of the cadaveric porcine stomach tissues using the LFS system and the NIR camera system. We measured the depth of the cadaveric porcine stomach wall at the thickest part that could be confirmed.
Results:
We could not visualise fluorescence concentrations <2.5 × 10
−3
mg/mL using the NIR camera system. The spectrum was detected at a concentration <2.5 × 10
−3
mg/mL. We were able to identify the spectrum of ICG (829 nm) to a 13-mm depth of cadaveric porcine stomach wall by using the LFS system but could not identify the same with the NIR camera system regardless of wall thickness.
Conclusions:
The novel LFS system with NIR fluorescence imaging in this
ex vivo
and cadaveric porcine model was confirmed useful at deeper depths and lower concentrations. Based on these findings, we anticipate that the LFS system can be integrated and routinely used in minimally invasive surgery.
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New learning area in laparoscopic gastrectomy for gastric cancer: YouTube® or WebSurg®?
p. 129
Cemil Yuksel, Serdar Çulcu
DOI
:10.4103/jmas.JMAS_300_20
PMID
:35017403
Background:
Laparoscopic gastrectomy cannot be performed routinely in many centres, because there is still no standardisation in the centres where it is performed, and therefore, new learning areas are needed for residents working in these centres for surgical training. These areas are various courses, video training sets and video platforms watched over the internet. The most frequently used platforms are YouTube
®
and WebSurg
®
. Our aim is to compare these two online video platforms in terms of laparoscopic gastrectomy and to evaluate the contribution of video platforms to surgical training and whether they have sufficient technical quality.
Materials and Methods:
We made a search on YouTube
®
and WebSurg
®
using the keyword 'laparoscopic gastrectomy' on 13 November 2020. A total of 143 videos were analysed, 111 of them on YouTube
®
and 32 on WebSurg
®
. All these videos were examined by two surgical oncologists experienced in laparoscopic gastrectomy and using laparoscopy in their daily practice.
Results:
The average video duration was 53.54 min in the YouTube
®
group and 18.20 min in the WebSurg
®
group, and this difference was found to be statistically significant between the two groups. According to the LGSS based on surgical procedures, the average score of WebSurg
®
videos was 10.37 and of YouTube
®
videos was 5.55, and there was a statistically significant difference between the two groups.
Conclusions:
Today, video platforms have started to play a major role in surgical training. Of these platforms examined, WebSurg
®
is superior to YouTube
®
in terms of education and quality, but these platforms still have some deficiencies and need regulation.
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UNUSUAL CASES
Proliferative fasciitis arising from the abdominal wall: A rare tumour excised by laparoscopy
p. 136
Ashish Dey, Anmol Ahuja, Tarun Mittal, Mohd Taha Mustafa Sheikh, Shashi Dhawan, Vinod K Malik
DOI
:10.4103/jmas.JMAS_317_20
PMID
:34259207
Proliferative fasciitis (PF) is a rare pseudosarcomatous lesion arising from the subcutaneous fascia and the fibrous septa. Only few hundred cases have been reported in the literature. In the largest series of 53 patients, only two patients had PF lesion arising from the flank. The most common site of origin is extremities followed by abdomen and head and neck. Its origin from the abdominal wall layer and presentation as the fever has been rarely reported in the literature. A PF lesion larger than 5 cm dimension has been sparsely noted. We report the presence of this rare entity in a 68-year-old gentleman who presented to us with low-grade fever and the presence of large lump arising from the abdominal wall. In our patient, the lesion was arising from transervsalis fascia and was excised
in toto
laparoscopically without damaging the abdominal muscles. It is imperative to differentiate both these lesions from sarcoma on histopathological examination as the follow-up treatment protocols for both vary.
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The clinical conundrum of a catecholamine secreting giant adrenal myelolipoma
p. 139
Tarun Jindal, Satyadip Mukherjee, Rajan Koju, Sandip Giri
DOI
:10.4103/jmas.JMAS_14_21
PMID
:34259211
Adrenal myelolipomas are uncommon tumours of unknown aetiology. They arise from the adrenal cortex and comprise lipomatous and myeloid elements. They are considered to be functionally inert, and metabolic evaluation is not mandatory for them. Adrenal myelolipomas can rarely be functionally active, and patients may present with hypertension, electrolyte imbalance or features of Cushing's syndrome. The association of these tumours with catecholamine secretion is exceptionally rare. We describe a case of a functional adrenal myelolipoma associated with catecholamine secretion in a 55-year-old female patient with a history of hypertension. The surgical excision of the mass resulted in normalisation of the urinary catecholamine levels and resolution of the hypertension.
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Partial occlusion of left axillary artery in a patient undergoing robot-assisted radical cystectomy
p. 142
Devitha Anilakumari, Poonam Arora, Priyanka Gupta, Rajnish Kumar Arora
DOI
:10.4103/jmas.JMAS_51_21
PMID
:34259209
Robot-assisted surgeries are associated with steep positions which provide free operative field to surgeons; however, it becomes more challenging to the anaesthesiologists. In robot-assisted surgery, the patient is not usually accessible after docking in of robot, so monitors, circuits and tubes should be tightly secured and confirmed before handing over the patient to the surgeons. We report a patient with partial left axillary artery occlusion in a patient posted for robot-assisted radical cystectomy.
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Laparoscopic excision of a schwannoma arising in the psoas muscle
p. 145
Dhiraj Premchandani, Mansimrat Paul Singh, Naveen Verma, Manish Agarwal, Deepraj Bhandarkar
DOI
:10.4103/jmas.JMAS_49_21
PMID
:35017404
Schwannoma occurring in the psoas muscle is rare. We report a 49-year-old male who presented to the orthopaedic oncosurgery team with persistent lower back pain radiating to the right lower limb following a fall on the back a few months ago. Magnetic resonance imaging revealed a well-defined lesion in the right psoas muscle at the level of third lumbar vertebra (L3). He underwent a laparoscopic excision of this mass using one 10 mm and two 5 mm ports. Intraoperative frozen section after a complete excision showed this to be a benign schwannoma. He was discharged the day after surgery. His symptoms gradually reduced over a period of time and he remains well 3 years after surgery. This case highlights the feasibility and safety of minimally invasive treatment of this rare tumour.
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The 'nick' or 'clip'? A giant hepatic artery pseudoaneurysm complicating laparoscopic cholecystectomy
p. 148
Ramanuj Mukherjee, Shouptik Basu
DOI
:10.4103/jmas.JMAS_71_21
PMID
:34259215
Right hepatic artery pseudoneurysm (HAPA) is a rare but potentially lethal complication following laparoscopic cholecystectomy. Its incidence is as low as 0.6%–0.8% and usually presents within the first month following the surgery due to iatrogenic injury to the concerned artery. A high index of suspicion is essential since it may often be missed leading to a catastrophic outcome. Often a contrast-enhanced computer-aided tomography of the abdomen done as evaluation of postcholecystectomy state suggests a pseudoanerysm. We report a single case of a 27-year-old female who presented to us and deteriorated rapidly due to a ruptured right HAPA, with an acute abdomen and melena, who was surgically managed by exploration and excision of the pseudoaneurysmal sac due to unavailability of transarterial embolization. During surgery, the cystic artery metal clip was seen eroding in hepatic artery producing pseudoanerysm.
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Migration of biliary stent into the gallbladder: A surprising intraoperative finding
p. 151
Vipul D Yagnik, Apurva Patel, Gururaj M Mannari, Pankaj Garg, Sushil Dawka
DOI
:10.4103/jmas.JMAS_47_21
PMID
:35017405
Post-endoscopic retrograde cholangiopancreatography stenting is a well-established treatment for benign as well as malignant biliary obstruction. The most frequently encountered complication is stent clogging. Stent migration (proximal or distal), on the other hand, is not very common. Proximal migration of a choledochal endoprosthesis into the gallbladder has not yet been reported in the literature.
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HOW I DO IT
An innovative procedure: Laparoscopic sterilisation of liver hydatid cyst cavities with Foley catheter method
p. 154
Gürcan Simsek, İsmail Hasırcı, Mehmet Eşref Ulutaş, Adil Kartal, Kemal Arslan
DOI
:10.4103/jmas.JMAS_19_21
PMID
:33885022
Sterilisation of the liver hydatid cyst cavities is a significant step in the surgical treatment of these cysts. We previously performed a study addressing the Foley catheter method in sterilisation of the cyst cavities with open surgery. Recently, we have been laparoscopically using Foley catheters for sterilisation of the cyst cavities. We tried laparoscopically in five cases with six cysts. A Foley catheter can be used in the sterilisation of hydatid cysts cavity both in laparoscopic and open interventions. We think that this procedure can reach cysts at all locations of liver and be applied to multiple liver cysts, too. From laparoscopic point of view, the method we presented is innovative procedure. To date, we have not seen any morbidity including recurrence and mortality in cases we applied this procedure.
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HOW I DO IT DIFFERENTLY
Technique of robotic right donor hepatectomy
p. 157
Biju Chandran, Christi Titus Varghese, Dinesh Balakrishnan, Krishnanunni Nair, Shweta Mallick, Johns Shaji Mathew, Binoj Sivasankara Pillai Thankamony Amma, Ramachandran Narayana Menon, Unnikrishnan Gopalakrishnan, Othiyil Vayoth Sudheer, S Sudhindran
DOI
:10.4103/jmas.JMAS_35_21
PMID
:35017406
Background:
Although minimally invasive right donor hepatectomy (RDH) has been reported, this innovation is yet to be widely accepted by transplant community. Bleeding during transection, division of right hepatic duct (RHD), suturing of donor duct as well as retrieval with minimal warm ischemia are the primary concerns of most donor surgeons. We describe our simplified technique of robotic RDH evolved over 144 cases.
Patients and Methods:
Right lobe mobilization is performed in a clockwise manner from right triangular ligament over inferior vena cavae up to hepatocaval ligament. Transection is initiated using a combination of bipolar diathermy and monopolar shears controlled by console surgeon working in tandem with lap CUSA operated by assistant surgeon. With the guidance of indocyanine green cholangiography, RHD is divided with robotic endowrist scissors (Potts), and remnant duct is sutured with 6-0 PDS. Final posterior liver transection is completed caudocranial without hanging manoeuvre. Right lobe with intact vascular pedicle is placed in a bag, vascular structures then divided, and retrieved through Pfannenstiel incision.
Conclusion:
Our technique may be easy to adapt with the available robotic instruments. Further innovation of robotic platform with liver friendly devices could make robotic RDH the standard of care in future.
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INSTRUMENTS AND EQUIPMENTS
Minimising in minimally invasive surgery through the use of a novel and flexible super elastic titanium needle suitable for a 3.5- and 5-mm trocar
p. 161
Samir Delibegovic
DOI
:10.4103/jmas.JMAS_84_21
PMID
:34259210
The use of smaller ports in surgery is the next step in the evolution of minimally invasive procedures. We present findings, using a novel flexible needle made from a super elastic titanium alloy, which demonstrate that it is possible for a 26- and 30-mm needle to pass through a 3.5- and 5-mm trocar. This new approach results in less trauma and improved cosmetic effect in comparison to the classical 10-mm port. Traditional steps such as handling of the needle holders, loading the needle and placing it at the correct angle and direction, inserting the needle into the tissue and finally safely tying a knot remain the same as with the standard procedure. We propose that this improved type of needle creates a refinement opportunity to replace the classic ones during both laparoscopic and robotic surgeries.
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LETTER TO THE EDITOR
Confirmation of ryle's tube placement by bubble in jelly technique: A quick and convenient way during laparoscopic surgery
p. 164
Prakash Deb, Prithwis Bhattacharyya
DOI
:10.4103/jmas.JMAS_110_21
PMID
:34259203
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© 2004 Journal of Minimal Access Surgery
Published by Wolters Kluwer -
Medknow
Online since 15
th
August '04