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Year : 2018  |  Volume : 14  |  Issue : 1  |  Page : 52-57

Laparoscopic Roux-en-Y gastric bypass: Outcomes of a case-matched comparison of primary versus revisional surgery

Max Institute of Minimal Access, Metabolic and Bariatric Surgery, Max Super Speciality Hospital, New Delhi, India

Correspondence Address:
Dr. Nimisha Subhashchandra Kantharia
Max Institute of Minimal Access, Metabolic and Bariatric Surgery, 5th Floor, East Block, Max Super Speciality Hospital, Press Enclave, Saket, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmas.JMAS_11_17

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Introduction: Laparoscopic adjustable gastric banding and laparoscopic sleeve gastrectomy are popular bariatric procedures. Certain complications may necessitate revision. Adverse outcomes are reported after revisional bariatric surgery. We compared patients undergoing revisional versus primary laparoscopic Roux-en-Y gastric bypass (LRYGB). Materials and Methods: This was retrospective comparative 1:1 case-matched analysis of revisional LRYGB Group A versus primary LRYGB (pLRYGB/Group B). Matching was based on body mass index (BMI) and comorbidities. BMI decrease at 6 and 12 months post-surgery, comorbidity resolution, operative time, morbidity and length of hospital stay (LOS) were compared. Total decrease in BMI, i.e., change from before initial bariatric procedure to 12 months after revision for Group A was also compared. Results: Median BMI (inter-quartile range) for Group A decreased to 44.74 (7.09) and 41.49 (6.26) at 6 and 12 months, respectively, for Group B corresponding figures were 38.74 (6.9) and 33.79 (6.64) (P = 0.001 and P = 0.0001, respectively). Total decrease in BMI (Group A) was 9.8, whereas BMI decrease at 12 months for Group B was 15.2 (P = 0.23). Hypertension resolved in 63% (Group A), 70% (Group B) (P = 0.6). Diabetes resolution was 80% (Group A), 63% (Group B) (P = 0.8). Operative time for Groups A, B was 151 ± 17, 137 ± 11 min, respectively (P = 0.004). There was no difference in morbidity and LOS. Conclusion: Comorbidity resolution after revisional and pLRYGB are similar. Less weight loss is achieved after revision than after pLRYGB, but total weight loss is comparable. Revisional surgery is safe when performed by experienced surgeons in high-volume centres.


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