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Common Limb Length Does Not Influence Weight Loss After Standard Laparoscopic Roux-En-Y Gastric Bypass

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Navez, Benoît [UCL] Thomopoulos, Theodoros [UCL] Stefanescu, Irina-Maria [UCL] Coubeau, Laurent [UCL]

Background: Although Roux-en-Y gastric bypass (RYGBP) has proven its reliability over time in terms of weight loss and resolution of comorbidities, there continues to be a significant controversy in terms of used limb lengths. In the classical RYGBP, most surgeons have reported an alimentary limb length (ALL) of 100 to 150 cm and a bilio-pancreatic limb length (BPLL) of 50 to 75 cm. On the other hand, the common limb length (CLL) remains unknown in all the patients. As it is theoretically related to the level of malabsorption, CLL could influence weight loss after RYGBP. Materials and Methods: We performed a laparoscopic RYGBP in 90 patients with a mean preoperative body mass index (BMI) of 44.8. ALL and BPLL were respectively fixed at 150 and 75 cm. A systematic intraoperative measurement of CLL was performed. Results: As expected, we found a great variation of the jejuno-ileal length and also of the CLL. We created three subgroups of patients: one with the entire population, one excluding the super-obese patients (BMI > 50) and the third one excluding the revisions. There was no statistically significant correlation between CLL and excess BMI loss (EBMIL) at 1, 3, 6 and 12 months of follow-up in each group. We also found a linear correlation between the jejuno-ileal length and the height of individuals. Conclusion: With a fixed 150-cm ALL and a 75-cm BPLL, there is no evidence that the anatomical variations of CLL could influence weight loss after classical RYGBP.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2016
Language Anglais
Journal information "Obesity Surgery : including Laparoscopy and Allied Care" - Vol. 26, no.8, p. 1705-1709 (2016)
Peer reviewed yes
Publisher Springer Science + Business Media ((United States) New York, NY)
issn 0960-8923
e-issn 1708-0428
Publication status Publié
Affiliations UCL - (SLuc) Service de chirurgie et transplantation abdominale
UCL - SSS/IREC/CHEX - Pôle de chirgurgie expérimentale et transplantation
Keywords Alimentary limb length ; Biliopancreatic limb length ; Common limb length ; Excess weight loss ; Malabsorption ; Roux-en-Y laparoscopic gastric bypass
Links
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Bibliographic reference Navez, Benoît ; Thomopoulos, Theodoros ; Stefanescu, Irina-Maria ; Coubeau, Laurent. Common Limb Length Does Not Influence Weight Loss After Standard Laparoscopic Roux-En-Y Gastric Bypass. In: Obesity Surgery : including Laparoscopy and Allied Care, Vol. 26, no.8, p. 1705-1709 (2016)
Permanent URL http://hdl.handle.net/2078.1/175879