Laparoscopic sleeve gastrectomy is a safe and effective bariatric procedure, although a tendency for weight regain is noted after 5 years of follow-up evaluation. Resolution of comorbidity is comparable with that reported in the literature. The LSG procedure results in good to excellent health-related QoL. Food tolerance is lower for patients after LSG than for nonobese patients who had no surgery, but 95.2% described food tolerance as acceptable to excellent.

In the early experience of 14 European centers performing ≥10 MIPDs annually, no differences were found in major morbidity, mortality, and hospital stay between MIPD and OPD. The high rates of POPF and conversion, and the lack of superior outcomes (ie, hospital stay, morbidity) could indicate that more experience and higher annual MIPD volumes are needed.

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Symptomatic gallstone disease occurred only in 6.9% of patients post-LRYGBP. Multivariate analysis identified weight loss at 3 months post-LRYGBP of more than 50% of excess weight as the sole significant independent predictor of delayed symptomatic cholecystolithiasis. Prophylactic CCE should not be recommended at the time of LRYGBP.

A CVP drop after HP is a strong independent predictor of EBL during liver resection. The authors advocate the routine use of HP to reduce perioperative blood loss and transfusion rates in liver surgery. As a predictive tool, CVP drop might help surgeons decide whether a laparoscopic approach is safe.

Reported incidence of small bowel obstruction (SBO) after laparoscopic Roux-en-Y gastric bypass varies between 1.5% and 3.5%. It has been suggested that the antecolic antegastric laparoscopic Roux-en-Y gastric bypass (AA-LRYGB) is associated with a low incidence of internal herniation (IH). Therefore we routinely did not close mesenteric defects. The records of 652 consecutive patients undergoing primary AA-LRYGB from January 2003 to December 2009 in a single institution were retrospectively reviewed to determine the incidence, etiology, clinical symptoms, radiologic diagnostic accuracy and operative outcomes of SBO. Of the 652 patients, 63 (9.6%) developed SBO. The majority (6.9%, 45 patients) had a SBO due to IH. In 41 (91%) cases, the IH was at the jejunojejunostomy (JJ), four cases had an IH at Petersen's space. Adhesions and ventral hernia were found in 14 (2.1%) and four (0.6%) cases, respectively. Twenty-nine out of 63 cases had negative computed tomography (CT) findings and IH was diagnosed on CT in only 33% (14/45) of patients with IH. All patients underwent diagnostic laparoscopy. No bowel resections had to be performed. In contrast to previous reports, a high incidence of SBO with a high rate of IH at the JJ site was found in our series. Accuracy of CT is low and diagnostic laparoscopy is mandatory when SBO is suspected. Since 2010 we have started closing the JJ site, and data on SBO are collected prospectively. We believe that closing of the mesenteric defects is a mandatory step, even in an AA-LRYGB.

This study suggests that laparoscopic parenchymal preserving liver resections in the PS segments can be performed with comparable short-term outcomes as similar OLR. The shorter interval to chemotherapy might provide long-term oncologic benefits in patients who underwent LLR.

In our series, hospital stay, morbidity, and mortality of rRYGB were not significantly higher compared with pLRYGB. Furthermore, we believe that this type of revisional bariatric surgery should be performed in high-volume bariatric centers.