{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,28]],"date-time":"2026-10-28T00:13:49Z","timestamp":1793146429401,"version":"4.5.0"},"reference-count":19,"publisher":"FapUNIFESP (SciELO)","issue":"suppl 1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ABCD, arq. bras. cir. dig."],"published-print":{"date-parts":[[2014]]},"abstract":"<jats:p> BACKGROUND:  Roux-en-Y gastric bypass is a surgical technique widely used in the treatment of obesity. It is unclear, however, if the length of the biliopancreatic and alimentary limb interferes with the magnitude of weight loss.  AIM:  To evaluate if the length of these limbs is related to the percentage of weight loss one year after surgery.  METHOD:  One hundred and twenty obese people underwent surgery between 2009 and 2011. Patients were inserted into four groups: A) biliopancreatic limb with 50 cm length and alimentary limb with100 cm length; B) biliopancreatic limb with 50 cm length and alimentary limb with 150 cm length; C) biliopancreatic limb with 100 cm length and alimentary limb with100 cm length; D) biliopancreatic limb with 100 cm length and alimentary limb with150 cm length. Age, gender, body mass index and the percentage of total weight loss were analyzed. Data were collected preoperatively and one year after surgery. The groups were compared and weight loss compared between groups.  RESULTS:  The follow-up occurred in 78.3% of the sample. The composition of the groups was similar, with no statistical significance. The average age was 43 years in groups A, C and D and 42 years in group B. The female gender predominated in all groups (about 60% of the sample). The mean body mass index was 46 kg\/m2 for groups A, C and D and 42 kg\/m2 in group B. The percentage of weight loss was 33% for group A and 34% for groups B, C and D. There was no significant difference among groups.  CONCLUSION:  Different lengths of the biliopancreatic and alimentary limbs did not affect the percentage of total weight loss.<\/jats:p>","DOI":"10.1590\/s0102-6720201400s100014","type":"journal-article","created":{"date-parts":[[2014,11,15]],"date-time":"2014-11-15T18:05:00Z","timestamp":1416074700000},"page":"56-58","source":"Crossref","is-referenced-by-count":22,"title":["Roux-en-Y gastric bypass: limb length and weight loss"],"prefix":"10.1590","volume":"27","author":[{"given":"Antonio Carlos","family":"VALEZI","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonio C\u00e9sar","family":"MARSON","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rodrigo Alves","family":"MERGUIZO","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fernando Le\u00e3o","family":"COSTA","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"530","reference":[{"issue":"12","key":"ref1","first-page":"2580","article-title":"Alterations in gastrointestinal, endocrine, and metabolic processes after bariatric Roux-en-Y gastric bypass surgery. Diabetes","volume":"35","author":"Anderwald CH","year":"2012","journal-title":"Care"},{"issue":"7","key":"ref2","doi-asserted-by":"crossref","first-page":"515","DOI":"10.1111\/j.1467-789X.2010.00831.x","article-title":"Cardiovascular benefits of bariatric surgery in morbidly obese patients","volume":"12","author":"Athyros VG","year":"2011","journal-title":"Obes Rev"},{"issue":"4","key":"ref3","doi-asserted-by":"crossref","first-page":"387","DOI":"10.1097\/00000658-199204000-00014","article-title":"Long-limb gastric bypass in the superobese. A prospective randomized study","volume":"215","author":"Brolin RE","year":"1992","journal-title":"Ann Surg"},{"issue":"2","key":"ref4","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1016\/S1091-255X(01)00022-1","article-title":"Malabsorptive gastric bypass in patients with superobesity","volume":"6","author":"Brolin RE","year":"2002","journal-title":"J Gastrointest Surg"},{"issue":"4","key":"ref5","doi-asserted-by":"crossref","first-page":"540","DOI":"10.1381\/096089202762252316","article-title":"The effect of Roux limb lengths on outcome after Roux-en-Y gastric bypass: a prospective, randomized clinical trial","volume":"12","author":"Choban PS","year":"2002","journal-title":"Obes Surg"},{"issue":"4","key":"ref6","doi-asserted-by":"crossref","first-page":"460","DOI":"10.1007\/s11695-012-0816-8","article-title":"Gastric bypass is a cost-saving procedure: results from a comprehensive Markov model","volume":"23","author":"Faria GR","year":"2013","journal-title":"Obes Surg"},{"issue":"7","key":"ref7","doi-asserted-by":"crossref","first-page":"1055","DOI":"10.1007\/s00464-002-8933-4","article-title":"Effect of standard vs extended Roux limb length on weight loss outcomes after laparoscopic Roux-en-Y gastric bypass","volume":"17","author":"Feng JJ","year":"2003","journal-title":"Surg Endosc"},{"issue":"2","key":"ref8","doi-asserted-by":"crossref","first-page":"179","DOI":"10.1007\/s11695-010-0309-6","article-title":"Metabolic syndrome after bariatric surgery. Results depending on the technique performed","volume":"21","author":"Gracia-Solanas JA","year":"2011","journal-title":"Obes Surg"},{"issue":"4","key":"ref9","first-page":"748","article-title":"Relationship of bypassed limb length and remission of type 2 diabetes mellitus after Roux-en-Y gastric bypass","volume":"75","author":"Kao YH","year":"2012","journal-title":"Gastrointest Endosc"},{"issue":"2","key":"ref10","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1016\/j.soard.2010.08.018","article-title":"Long-term results of malabsorptive distal Roux-en-Y gastric bypass in superobese patients","volume":"7","author":"Kellum JM","year":"2011","journal-title":"Surg Obes Relat Dis"},{"issue":"10","key":"ref11","doi-asserted-by":"crossref","first-page":"575","DOI":"10.1038\/nrgastro.2013.119","article-title":"Mechanisms underlying weight loss after bariatric surgery","volume":"10","author":"Miras AD","year":"2013","journal-title":"Nat Rev Gastroenterol Hepatol"},{"key":"ref12","series-title":"Efeito das dimens\u00f5es das deriva\u00e7\u00f5es intestinais em pacientes obesos diab\u00e9ticos com s\u00edndrome metab\u00f3lica submetidos ao bypass g\u00e1strico","author":"Ramos RJ","year":"2013"},{"issue":"3","key":"ref13","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1038\/ijo.2011.148","article-title":"Bariatric surgeries: beyond restriction and malabsorption","volume":"35","author":"Sandoval D","year":"2011","journal-title":"Int J Obes"},{"issue":"9","key":"ref14","doi-asserted-by":"crossref","first-page":"1337","DOI":"10.1007\/s11695-011-0402-5","article-title":"Is weight loss better sustained with long-limb gastric bypass in the super-obese?","volume":"21","author":"Sarhan M","year":"2013","journal-title":"Obes Surg."},{"issue":"2","key":"ref15","doi-asserted-by":"crossref","first-page":"483","DOI":"10.2337\/db13-0954","article-title":"Contribution of endogenous glucagon-like peptide 1 to glucose metabolism after Roux-en-Y gastric bypass","volume":"63","author":"Shah M","year":"2014","journal-title":"Diabetes"},{"issue":"1","key":"ref16","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1007\/s11695-010-0239-3","article-title":"The importance of the length of the limbs for gastric bypass patients--an evidence-based review","volume":"21","author":"Stefanidis D","year":"2011","journal-title":"Obes Surg"},{"issue":"4","key":"ref17","doi-asserted-by":"crossref","first-page":"595","DOI":"10.1210\/er.2011-1044","article-title":"All bariatric surgeries are not created equal: insights from mechanistic comparisons","volume":"33","author":"Stefater MA","year":"2012","journal-title":"Endocr Rev"},{"issue":"3","key":"ref18","doi-asserted-by":"crossref","first-page":"208","DOI":"10.2174\/1573399810666140616144141","article-title":"Bariatric surgery - effects on obesity and related co-morbidities","volume":"10","author":"Svane MS","year":"2014","journal-title":"Curr Diabetes Rev"},{"issue":"1","key":"ref19","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1159\/000360433","article-title":"Gastric bypass: current results and different techniques","volume":"31","author":"Vines L","year":"2014","journal-title":"Dig Surg"}],"container-title":["ABCD. Arquivos Brasileiros de Cirurgia Digestiva (S\u00e3o Paulo)"],"original-title":[],"link":[{"URL":"http:\/\/www.scielo.br\/pdf\/abcd\/v27s1\/0102-6720-abcd-27-s1-00056.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,8,15]],"date-time":"2017-08-15T23:04:58Z","timestamp":1502838298000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.scielo.br\/scielo.php?script=sci_arttext&pid=S0102-67202014000600056&lng=en&tlng=en"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014]]},"references-count":19,"journal-issue":{"issue":"suppl 1","published-print":{"date-parts":[[2014]]}},"alternative-id":["S0102-67202014000600056"],"URL":"https:\/\/doi.org\/10.1590\/s0102-6720201400s100014","relation":{},"ISSN":["0102-6720"],"issn-type":[{"value":"0102-6720","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014]]}}}