Magnetic Liver Retraction Decreases Postoperative Pain and Length of Stay in Bariatric Surgery Compared to Nathanson Device.

Journal of Laparoendoscopic & Advanced Surgical Techniques. Part a
Leonard K WelshAlfredo D Guerron

Abstract

Objective: Retrospective case-matched comparison of magnetic liver retraction to a bedrail-mounted liver retractor in bariatric surgery specifically targeting short-term postoperative outcomes, including pain and resource utilization. Background: Retraction of the liver is essential to ensure appropriate visualization of the hiatus in bariatric surgery. Externally mounted retractors require a dedicated port or an additional incision. Magnetic devices provide effective liver retraction without the need of an incision. Methods: The sample consisted of primary and revisional bariatric surgery patients, including Roux-en-Y gastric bypass (RYGB), sleeve gastrectomy (SG), and biliopancreatic diversion with duodenal switch (BPD-DS) operations. Propensity score analysis was used to match patients with magnetic retraction to patients with a bedrail-mounted retractor with a 1:2 ratio using preoperative characteristics. Baseline characteristics and postprocedure outcomes were compared using two-sample t-tests or Wilcoxon rank sum tests and chi-square or Fisher's exact test as appropriate. Results: One hundred patients met inclusion criteria for the use of magnetic liver retraction (45 RYGB, 35 SG, 20 BPD-DS) with 196 suitable matched exte...Continue Reading

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BETA
gastric bypass

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