How common is bowel obstruction after duodenal switch

Question

Hi, I have been recommended to do the duodenal switch surgery by my doctor . One of the complications in the future that I am most worried about is a bowl obstruction. How common is this post duodenal switch surgery and is this something I could avoid?

Jorge Maytorena, MD · Answer

To avoid or try to reduce the risk of intestinal obstruction we have to make a series of closures of some spaces that are generated when making the unions between the intestinal that are called mesenteric defects, we must close them with stitches and in this way we reduce the complication of intestinal obstruction by up to 50%

Sandy Martinez, MD · Answer

Hello, and thank you for asking this. It is incredibly wise of you to research long-term complications before undergoing surgery. Your peace of mind is just as important as your weight loss.
To give you an honest and direct answer: Yes, bowel obstruction is a known risk after a traditional Duodenal Switch (BPD-DS), but it is not highly common, and surgical techniques have evolved to largely prevent it.
Here is what you need to know about why it happens and how top surgeons avoid it:
1. Why does it happen? (The "Internal Hernia")When a surgeon performs a traditional Duodenal Switch, they have to cut and reconnect the intestines in two different places. This rerouting creates tiny anatomical gaps (called mesenteric defects). If these gaps are not properly closed, or if you lose a massive amount of weight quickly (which causes the fat inside your abdomen to shrink), the intestines can slide into those gaps, twist, and cause a bowel obstruction.
Historically, the risk of an internal hernia/obstruction after a traditional DS hovered around 2% to 5% over a patient's lifetime.
2. How do we avoid it? (Surgical Technique)The risk drops significantly based on the surgeon's skill. Board-certified bariatric surgeons are meticulously trained to meticulously stitch (close) these mesenteric gaps during the initial surgery. By closing these spaces tightly, we drastically minimize the chance of an obstruction ever occurring.
3. The Modern Solution: Consider the SADI-SAs an IFSO-recognized team that performs a high volume of DS procedures, this is exactly why we often recommend the SADI-S (Single Anastomosis Duodeno-Ileal Bypass with Sleeve) to patients who are good candidates.
The SADI-S is the modernized version of the Duodenal Switch. Instead of two intestinal connections, it only uses one. By only making one connection, we leave fewer gaps in the mesentery, which drastically reduces the anatomical risk of an internal hernia and subsequent bowel obstruction. It offers the same powerful weight loss as the traditional DS, but with a safer, simpler intestinal layout.
My advice to you: When you have your consultation, ask your surgeon two questions:
"Do you routinely close all mesenteric defects during the DS?" 2. "Would I be a good candidate for the SADI-S procedure instead?"
You are asking the right questions, which means you will make a highly informed decision. Wishing you a safe and successful journey!
Warmly,
Dr. Sandy Martinez

Walfre Edwin Guerrero Burgueno, MD · Answer

Hello! How are you?
Although it is true that duodenal switch and the gastric bypass too have a risk of intestinal obstruction, surgical techniques are currently being performed to minimize complications. 
It is important to know your medical history, and accordingly make the best decision regarding choosing the most appropriate bariatric surgery.
The duodenal switch is a good surgery, with very good results, but since it is complex, the risks are higher than other surgeries.

Edgar Serrano, MD - Account Suspended · Answer

The incidence of bowel obstruction after DS has been reported to range from 0.4 % , making it a relatively rare but potentially serious complication. Studies have shown that bowel obstruction is more common in the early postoperative period, with the majority of cases occurring within the first three months.

How common is bowel obstruction after duodenal switch

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