Is the duodenal switch the same surgery as the open/laproscopic bilio pancreatic diversion?

Question

Sandy Martinez, MD · Answer

To give you a direct answer: No, they are not exactly the same surgery. They belong to the same family of malabsorptive procedures, but the Duodenal Switch (officially called BPD-DS) is the modernized, much safer evolution of the original Biliopancreatic Diversion (BPD).
Here is the simple breakdown of the difference so you can understand the evolution:
1. The Original BPD (The Scopinaro Procedure)Developed in the late 1970s, the original BPD involved cutting the stomach horizontally. More importantly, the surgeon removed the pyloric valve (the natural valve at the bottom of the stomach that controls how fast food empties into your intestine). Because this valve was gone, patients suffered from a high risk of marginal ulcers, severe "dumping syndrome," and extreme protein malnutrition. This older version is rarely performed today.
2. The Duodenal Switch (BPD-DS)In the late 1980s, surgeons modified the BPD to make it safer, creating the Duodenal Switch. Instead of a horizontal cut, we now create a standard Gastric Sleeve (vertical cut). The biggest game-changer is that we keep your natural pyloric valve completely intact. This preserves your stomach's natural digestion process, drastically reduces the risk of ulcers, prevents dumping syndrome, and allows for better protein absorption while still providing massive weight loss.
Open vs. Laparoscopic:You also asked about "open/laparoscopic." In the past, these severe surgeries were done "open" (with a large cut down the abdomen). Today, as an IFSO-recognized surgical team, we perform the Duodenal Switch (and its newest, single-connection version called the SADI-S) 100% laparoscopically. This means tiny incisions, minimal pain, and a much faster, safer recovery.
In short: If a surgeon today is talking about a Duodenal Switch, they are referring to the modern, safer, laparoscopic BPD-DS, not the old 1970s BPD.
I hope this clears up your research! Wishing you the best on your weight loss journey.
Warmly,
Dr. Sandy Martinez

Ramez Bassari, MBChB, FRACS, BHB · Answer

There are a few terms used that mean almost the same thing. You will see terms like BPD (biliopancreatic diversion), duodenal switch and Scopinaro. They are similar procedures with slight variations. It also depends on who performs the surgery. But their basic principle remain the same.

Edgar Serrano, MD - Account Suspended · Answer

BPD is a more complex surgery than DS, and it is typically reserved for patients who are very obese or have other health conditions that make them high risk for other weight-loss surgeries.Duodenal Switch (DS)
DS is a combination of a restrictive and malabsorptive surgery. The first step of the surgery is to remove about 80% of the stomach. This reduces the amount of food that you can eat and helps you feel full sooner. The second step of the surgery is to bypass a large portion of the small intestine. This means that your body will not absorb as many calories and nutrients from the food that you eat.
Biliopancreatic Diversion (BPD)
BPD is a purely malabsorptive surgery. The stomach is not bypassed or removed, but a large portion of the small intestine is bypassed. This means that your body will not absorb as many calories and nutrients from the food that you eat. BPD is a more complex surgery than DS, and it carries a higher risk of complications.

Is the duodenal switch the same surgery as the open/laproscopic bilio pancreatic diversion?

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