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There are no comparative studies on the long-term outcomes after the primary traditional duodenal switch (DS) and single-anastomosis duodeno-ileostomy with sleeve gastrectomy (SADI-S). This study aims to compare the long-term outcomes in a matched cohort. This study took place in a single private institute, in the USA. Data from 266 patients who underwent a primary laparoscopic traditional DS or primary laparoscopic SADI-S from September 2011 to December 2015 by four surgeons were used for a retrospective matched cohort. Data were obtained by matching every DS patient to a SADI-S patient of the same age, sex, and body mass index (BMI). In addition, only patients that were out at least 5 years and had a minimum 5-year follow-up were included in the study. The matched cohort included 30 DS and 30 SADI-S patients. There were no statistically significant differences in the preoperative characteristics and baseline comorbidities between both groups. The SADI-S patients had significantly shorter operative time and length of stay. The overall long-term complications, especially the long-term Clavien-Dindo grade IIIb complications, were significantly fewer with SADI-S. At 6 years, the DS patients had statistically higher %EWL; however, the ending BMIs were statistically similar between both groups. There were no significant differences in the long-term comorbidity and nutritional outcomes of both groups. The long-term failure rates were comparable. Most long-term outcomes of SADI-S were either similar or significantly better than DS. Part of the reasons could be the surgeon’s learning curve and the small sample sizes of both groups.

Background The long-term outcomes of primary single-anastomosis duodeno-ileal bypass with sleeve gastrectomy (SADI-S) have never been reported in the literature. Objectives The study aimed to evaluate the long-term outcomes after primary laparoscopic SADI-S (LSADI-S). Setting Single, private institute, United States. Methods Data from 750 patients who underwent a primary LSADI-S from June 2013 through November 2019 by 3 surgeons were retrospectively analyzed. Results Seven hundred fifty patients were included in the study. The mean age and preoperative body mass index were 49.3 ± 13.1 years and 50 ± 12.6 kg/m2, respectively. Follow-up was available on 109 patients (61%) at 5 years and on 87 patients (53%) at 6 years. Six patients did not have any follow-up. The average operative time and length of stay were 67.6 ± 27.4 minutes and 1.5 ± .8 days, respectively. The intraoperative, short-term, and long-term complication rates were 0%, 7.8%, 11.7%, respectively. The 30-day emergency room visit, readmission, and reoperation rates were .4%, 1.1%, and 1.1%, respectively. In total, there were 15 (2%) grade IIIb long-term complications unique to LSADI-S. Complete remission of type 2 diabetes was seen in 77% of the diabetic population. At 5 and 6 years, the mean change in body mass index was 17.5 ± 6.9 and 17.6 ± 6.4 kg/m2, respectively. The mortality rate was .5%. Conclusions LSADI-S is effective in this retrospective review in achieving good initial weight loss and weight maintenance. Although our data show acceptable nutritional complications, questions still remain because of the retrospective nature of the study.

The long-term effectiveness of Roux-en-Y gastric bypass (RYGB) and single-anastomosis duodeno-ileostomy with sleeve gastrectomy (SADI-S) is unknown. Compare the long-term outcomes. Single private institute, USA. Data from 1254 patients who underwent primary RYGB or SADI-S were used for a retrospective matched cohort. Data were obtained by matching every RYGB patient to a SADI-S patient of the same sex, body mass index (BMI), and weight. Only patients out 5 years and had at least one > 5-year follow-up visit were included. The matched cohort included 61 RYGB and 61 SADI-S patients. There was no statistical, demographic difference between the two groups. At 5 years, a 100% follow-up was available in each group. The intraoperative outcomes were significantly better with SADI-S. The 30-day readmission, reoperation, emergency department (ED) visits, and complication rates were statistically similar between the two groups. The long-term complication rates, Clavien-Dindo grade IIIb complications, and number of patients with more than one complication were significantly lower with SADI-S. Weight loss was significantly greater in the SADI-S group at 5 years. The long-term weight-loss failure rate was significantly higher in the RYGB group. The SADI-S procedure was associated with fewer reintervention through 6 years (14.7% patients vs. 39.3% patients, p = 0.001). Conversion or reversal of the procedure was required only in the RYGB group. There also was no significant difference in nutritional outcomes between the two procedures. This study showed that problems, including long-term complications, reinterventions, weight-loss failure, and conversion, were more often associated with RYGB than with SADI-S. The SADI-S may be considered one of the viable alternatives to RYGB.

Single anastomosis duodenal-ileal bypass with sleeve gastrectomy (SADI-S) is a modification of Roux-en-Y duodenal switch (RYDS). Long-term data on this operation is lacking in the literature. We reviewed our mid-term data of this RYDS modification. To analyze the outcomes with SADI-S at 4 years. Data from patients who underwent a primary SADI-S procedure performed by three surgeons at a single institution from June 2013 through February 2018 were retrospectively reviewed. All revision bariatric surgeries were excluded. Regression analyses were performed for all follow-up weight loss data. There were 437 patients in our database. The pre-operative mean body mass index (BMI) was 49.8 ± 8.8 kg/m2. The 30-day complication rate was 7.7%. The 30-day readmission, reoperation, and mortality rates were 1.8, 1.3, and 0.2%, respectively. The long-term complication rate was 10.9%. Seventy-nine patients were 4 years post SADI-S surgery and follow-up was possible for 44 patients (55.7%). At 4 years, patients had an average change in BMI of 18.1 ± 6 units with an excess weight loss (EWL) of 85.7 ± 27.3%. At 4 years, 97.6% patients were able to maintain HbA1c

Recently, a single anastomosis duodeno-ileal bypass with sleeve gastrectomy (SADI-S) has become increasingly popular for patients with BMI > 50 as a primary or staged surgery. Staging allows surgeons to do the sleeve gastrectomy (SG) first with the conversion only happening when a failure or technical challenge is identified. We present the mid-term outcomes of SADI bypass surgery after SG. A retrospective analysis was performed on a prospective database from four institutions. Ninety-six patients were identified from 2013 to 2018. Patients were divided into two groups: one had two-stage SADI because of insufficient weight loss, the second had planned two-stage SADI because of super obesity (BMI > 50 kg/m2). Incidence of complications was divided into 30 days. Of 96 patients, 3 patients were completely lost to follow-up. The mean age was 44.8 ± 11.3 years. There were no deaths or conversion to open surgery. The postoperative early complication and late complication rate was 5.3% and 6.4% respectively. At 24 months, group 2 had higher %weight loss (WL) and change in BMI units compared to group 1 with statistically significant difference. The average WL and change in BMI for entire patient’s population at 24 months after 2nd stage SADI was 20.5% and 9.4 units respectively. The remission rate for DM was 93.7% with or without the use of medication. The two-stage approach to SADI-S appears technically simpler than a single compromised operation. However, this approach needs more patients to understand its limitations.

The single-anastomosis duodenal ileostomy with sleeve gastrectomy (SADI-S) is gaining popularity in the United States as an alternative to the gastric bypass for patients with a high body mass index (BMI) or who are less likely to succeed with a sleeve. While SADI-S has similar weight loss to the gastric bypass, the complication rate is significantly lower, allowing surgeons to perform SADI-S in an ambulatory surgical center with a 23-hour stay.To determine if SADI-S can be safely performed in an ambulatory surgical setting.Private practice.All SADI-S procedures performed from August 2015 to March 2019 at 2 bariatric centers were included in this study. Patients selection for SADI-S in the ambulatory surgical center required no end organ damage, no evidence of severe sleep apnea, and BMI55 for males and BMI60 for females. All data were gathered retrospectively from prospectively kept databases. Thirty-day complication rates were analyzed using the Clavien-Dindo scale to assess the safety of performing SADI-S in an ambulatory surgical center.Eighty-two patients were included in this study. The sample was 72% female with an average age of 46 and BMI of 45. All patients received planned intravenous fluid within 3 days after the procedure. There were 2 (2.4%) grade IIIb to V complications. There were no mortalities in this series.SADI-S can be performed safely in an ambulatory surgery 23-hour setting with appropriate patient selection, perioperative support, and enhanced recovery after surgery protocols.

Single anastomosis duodenal-ileal bypass with sleeve gastrectomy (SADI-S) is a modification of the biliopancreatic diversion with duodenal switch (BPD-DS) surgery. A concern with SADI-S is chronic diarrhea and hypoproteinemia. Common channel lengthening (CCL) is a surgical procedure to increase absorption in the small intestine to decrease diarrhea. The aim of this study was to assess the occurrence and treatment of hypoproteinemia and chronic diarrhea with CCL following SADI-S surgery. Private practice in the USA. Patients were included if they underwent SADI-S from September 2013 to March 2018 and following surgery underwent CCL. Average operating time for laparoscopic CCL is 56.5 ± 4.6 min. The average bowel movements for the eight patients before laparoscopic CCL were 9.1 ± 4.7 a day. After the surgery, the bowel movements were reduced to 2.6 ± 0.4 a day. This difference was found to be statistically significantly different (p = .002). The two patients experiencing hypoproteinemia improved protein levels following CCL. CCL is an effective way to treat symptomatic chronic diarrhea after SADI-S when conservative treatments have failed.

Background The Roux-en-Y gastric bypass (RYGB) is a very effective treatment for obesity and its related co-morbidities. However, some patients fail to achieve>50% of their excess weight loss (EWL), and others regain much of the weight that they lost. Objective The purpose of this study was to analyze early outcomes after conversion of RYGB to duodenal switch (DS) in terms of weight loss, change in co-morbidities, and complications. Setting This is a retrospective analysis from 1 surgeon at a single private institution. Methods We analyzed data from 32 obese patients retrospectively who underwent revision for failed RYGB. Nine patients underwent DS with Roux-en-Y reconstruction (RYDS), and 23 patients underwent single anastomosis DS between October 2012 and December 2015. Regression analyses were performed for all follow-up weight-loss data. Results The patients experienced mean EWL of 16.2% over an average of 16 years (range: 0–38) with their primary RYGB surgery. Of 32 patients who underwent revision DS , 22 patients are beyond the 1-year postoperative mark (follow-up 81.8%), and 15 patients are beyond the 2-year postoperative mark (follow-up 73.3%). One patient was lost to follow-up. The patients experienced mean EWL of 31.2%, 45.1%, 51%, 54.2%, 56%, and 56.4% at 3, 6, 9, 12, 18, and 24 months, respectively, after their revisional surgery. Mean total weight loss achieved at 12 and 24 months was 27.7% and 29.2%, respectively. There was no statistical significant difference in mean %EWL at 12 months ( P = .468) and 24 months ( P = .266) between RYDS and single anastomosis DS. Conclusion A laparoscopic revision from RYGB to DS is an effective weight-loss operation with midterm follow-up of 2 years. Though long-term follow-up is warranted to measure recidivism, the initial data seem favorable.

Background The single-anastomosis duodenal switch procedure is a type of duodenal switch that involves a loop anastomosis rather than traditional Roux-en-Y reconstruction. To date, there have been no multicenter studies looking at the complications associated with post-pyloric loop reconstruction. Objectives The aim of the study was to report the incidence of complications associated with loop duodeno-ileostomy (DI) following single-anastomosis duodenal switch (SADS) procedures. Setting Mixed of private and teaching facilities. Methods The medical records of 1328 patients who underwent primary SADS procedure (single-anastomosis duodeno–ileal bypass with sleeve gastrectomy or stomach intestinal pylorus-sparing surgery) by 17 surgeons from 3 countries (United States, Spain, and Australia) at 9 centers over a 6-year period were retrospectively reviewed, and their results were compared with articles in the literature. Results Mean preoperative body mass index was 51.6 kg/m 2 . Of 1328 patients, 123 patients received a linear stapled duodeno-ileostomy (DI) and 1205 patients a hand-sewn DI. In the overall series, the anastomotic leak, ulcer, and bile reflux occurred in .6% (9/1328), .1% (2/1328), and .1% (2/1328), respectively. None of our patients experienced volvulus at the DI or an internal hernia. Overall, 5 patients (.3%) (3/123 [2.4%] with linear stapled DI versus 2/1205 [.1%] with hand-sewn DI [ P Conclusions The overall incidence of complications associated with loop DI was lower than the reported incidence of anastomotic complications after Roux-en-Y gastric bypass and biliopancreatic diversion with duodenal switch. SADS procedures may cause much fewer anastomotic complications compared with Roux-en-Y gastric bypass and biliopancreatic diversion with duodenal switch.

In bariatric surgery, the procedure with the highest average weight loss is the biliopancreatic diversion with duodenal switch (BPDDS). A new simplified duodenal switch called the stomach intestinal pylorus sparing (SIPS) surgery with less malabsorption and one fewer anastomosis claims to have similar outcomes when compared to the BPDDS. A retrospective matched cohort analysis of SIPS versus BPDDS patients in a single private practice was obtained by matching every BPDDS to a SIPS patient of the same gender and BMI. Excess weight loss percentage (EWL), BMI, and percentage total weight loss (%TWL) were compared. Additionally, comorbidity resolution, nutritional data, and complications were also compared. Data was analyzed using both descriptive and comparative statistics. Over 2 years, there was no statistical difference in weight loss between BPDDS and SIPS. There also was no difference in nutritional data between the two procedures pre- and post-op. Complication rates were lower in SIPS however, due to the small sample sizes this is not statistically significant. Weight loss and nutritional results between SIPS and BPDDS are similar at 2 years. However, there are fewer complications with SIPS.