Weight Loss Outcome After Roux-en-Y Gastric Bypass: 10 Years of Follow-up

Valezi, Antonio Carlos; Menezes, Mariano de Almeida; Mali, Jorge

doi:10.1007/s11695-013-0908-0

Cited by 29 publications

(8 citation statements)

References 24 publications

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“…It has been consistently reported that bariatric operations frequently lead to significant weight loss, which starts shortly after the surgical procedure, continues for some time and is thought to plateau for most individuals around 18 months after surgery, when maximal weight loss is reached. 9,[16][17][18][19][20][21] In our study, the GEE analysis suggested that the nadir of body weight loss occurs around the 4 th trimester after surgery, between the first and second years after surgery and this finding agrees with those previous reported.…”

Section: Discussionsupporting

confidence: 93%

Obese patients lose weight independently of nutritional follow-up after bariatric surgery

Tess

Scabim

Santo

et al. 2015

Rev. Assoc. Med. Bras.

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Obese patients lOse weight independently Of nutritiOnal fOllOw-up after bariatric surgery rev assoC med bras 2015; 61 (2) Brazil). Data were collected through hospital records review and the variables analyzed included sex, age, immediate preoperative weight, adherence to postsurgical nutritional visits and length of postoperative period. Proportional body weight reductions during the 18-month follow-up period were examined using generalized estimating equations. Results: 81% (n=195) of participants were female, with overall mean age of 44.4 ± 11.6 years, mean preoperative weight of 123.1± 21.2 kg and mean preoperative body mass index of 47.2± 6.2 kg/m 2 . The overall adherence to postoperative follow-up schedule was 51% (95%CI: 44.5-57.5%). Preoperative body weight and adherence were not associated with proportional weight reduction (Wald's test p > 0.18). Weight loss leveled off at the end of the 18-month follow-up period for both compliant and non-compliant patients (Wald's test p = 0.00). Conclusions: our study showed that weight loss occurred steadily over the first 18 months after RYGBP, leveling off at around 40% weight reduction. It was associated with neither presurgical weight, nor nutritional follow-up and it may be primarily dependent on the surgical body alterations themselves. This finding may have implications for intervention strategies aimed at motivating patients to comply with early postsurgical and life-long follow-up.

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Section: Discussionsupporting

confidence: 93%

Obese patients lose weight independently of nutritional follow-up after bariatric surgery

Tess

Scabim

Santo

et al. 2015

Rev. Assoc. Med. Bras.

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show abstract

“…years% EWL at max. years% reoperationFobi, 1993 [14]RYGB100NR10465512Wolfel, 1994 [15]RYGB14371108349NRPories, 1995 [16]RYGB6089714104938Sugerman, 2003 [17]RYGB10253710–1213552NRGunther, 2006 [5]RYGB195692572278Christou, 2006 [18]RYGB274841216168NRSjostrum, 2007 [19]RYGB265NR15106617Higa, 2011 [20]RYGB2422910655732Angrisani, 2013 [13]RYGB248410216929Obeid, 2016 [21]RYGB32846101345964Chen, 2016 [22]RYGB173NR117867NRMaciejewski, 2016 [23]RYGB1787821056456NRMonaco-Ferreira, 2017 [24]RYGB16626104452NRValezi, 2013 [25]RYGB211551011665NRMehaffey, 2016 [26]RYGB1087611065152<...>…”

Section: Resultsmentioning

confidence: 99%

Long-Term Outcomes After Bariatric Surgery: a Systematic Review and Meta-analysis of Weight Loss at 10 or More Years for All Bariatric Procedures and a Single-Centre Review of 20-Year Outcomes After Adjustable Gastric Banding

et al. 2018

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IntroductionDurability is a key requirement for the broad acceptance of bariatric surgery. We report on durability at and beyond 10 years with a systematic review and meta-analysis of all reports providing data at 10 or more years and a single-centre study of laparoscopic adjustable gastric banding (LAGB) with 20 years of follow-up.MethodsSystematic review with meta-analysis was performed on all eligble reports containing 10 or more years of follow-up data on weight loss after bariatric surgery. In addition, a prospective cohort study of LAGB patients measuring weight loss and reoperation at up to 20 years is presented.ResultsSystematic review identified 57 datasets of which 33 were eligible for meta-analysis. Weighted means of the percentage of excess weight loss (%EWL) were calculated for all papers included in the systematic review. Eighteen reports of gastric bypass showed a weighted mean of 56.7%EWL, 17 reports of LAGB showed 45.9%EWL, 9 reports of biliopancreatic bypass +/− duodenal switch showed 74.1%EWL and 2 reports of sleeve gastrectomy showed 58.3%EWL. Meta-analyses of eligible studies demonstrated comparable results. Reoperations were common in all groups. At a single centre, 8378 LAGB patients were followed for up to 20 years with an overall follow-up rate of 54%. No surgical deaths occurred. Weight loss at 20 years (N = 35) was 30.1 kg, 48.9%EWL and 22.2% total weight loss (%TWL). Reoperation rate was initially high but reduced markedly with improved band and surgical and aftercare techniques.ConclusionAll current procedures are associated with substantial and durable weight loss. More long-term data are needed for one-anastomosis gastric bypass and sleeve gastrectomy. Reoperation is likely to remain common across all procedures.

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“…Yet, despite its popularity, there are few studies in the current literature that address outcomes specific to this procedure that span Z10 years [7,9,12]. The general goal of this study was to further contribute to understanding and expectations of long-term results after RYGB.…”

Section: Discussionmentioning

confidence: 99%

“…Very few long-term studies, spanning 10 or more years, regarding RYGB are in existence. Many of these studies differ significantly from current practices in terms of surgical technique (open RYGB, banded bypass, or short limb length), and others contain data from the previous 2 decades [ [6][7][8][9][10].…”

mentioning

confidence: 99%

Long-term outcomes after Roux-en-Y gastric bypass: 10- to 13-year data

Obeid

Malick

Concors

et al. 2016

Surgery for Obesity and Related Diseases

138

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Weight Loss Outcome After Roux-en-Y Gastric Bypass: 10 Years of Follow-up

Abstract: B-RYGBP is a good technique to promote and maintain weight loss 10 years after surgery with low failure rate.

Cited by 29 publications

References 24 publications

Obese patients lose weight independently of nutritional follow-up after bariatric surgery

Obese patients lose weight independently of nutritional follow-up after bariatric surgery

Long-Term Outcomes After Bariatric Surgery: a Systematic Review and Meta-analysis of Weight Loss at 10 or More Years for All Bariatric Procedures and a Single-Centre Review of 20-Year Outcomes After Adjustable Gastric Banding

Long-term outcomes after Roux-en-Y gastric bypass: 10- to 13-year data

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