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Video lecture on the history of Roux-en-Y gastric bypass (RYGB) by Dr. Manish Baijal
For Surgeon / Apr 27th, 2023 11:08 am     A+ | a-


Today, we will be discussing the history of Roux-en-Y gastric bypass (RYGB) with Dr. Manish Baijal. Dr. Baijal is a bariatric surgeon and an expert in the field of weight loss surgery. He will be sharing with us the evolution of RYGB, one of the most common weight loss surgeries performed today.
 
Dr. Baijal: Thank you for having me. Roux-en-Y gastric bypass has a long and interesting history, dating back to the 1960s. The procedure was first developed as a treatment for severe peptic ulcer disease, but it was soon discovered to have significant weight loss benefits.
 
The original procedure, called the Mason procedure, was developed by Dr. Edward Mason in 1967. This involved creating a small pouch at the top of the stomach and attaching it directly to the small intestine, bypassing the rest of the stomach and upper small intestine. The procedure was successful in inducing weight loss, but it had a high rate of complications and was not widely adopted.
 
In the 1980s, a modification of the Mason procedure was developed by Dr. Jean-Marc Chevallier, which involved creating a smaller pouch and attaching it to a longer limb of the small intestine. This modification reduced the risk of complications and improved weight loss outcomes. This procedure became known as the "French bypass" or the "Chevallier-Mason procedure."
 
In the 1990s, another modification of the Mason procedure was developed by Dr. Alan Wittgrove, which involved dividing the stomach to create a small pouch and attaching it to the small intestine in a Y-shaped configuration. This created two pathways for food to pass through, reducing the risk of complications and improving weight loss outcomes. This procedure became known as the "Wittgrove procedure" or the "Roux-en-Y gastric bypass."
 
Since then, RYGB has become one of the most common weight loss surgeries performed worldwide. It is considered a gold standard in bariatric surgery, with high success rates in inducing significant weight loss and improving obesity-related comorbidities such as type 2 diabetes, high blood pressure, and sleep apnea.
 
The procedure involves creating a small pouch at the top of the stomach, typically using a stapling device. This pouch is then attached directly to the small intestine, bypassing the rest of the stomach and upper small intestine. This reduces the amount of food that can be consumed and the number of calories that can be absorbed by the body.
 
RYGB can be performed using either an open or laparoscopic approach. The laparoscopic approach is less invasive and has a shorter recovery time than the open approach. The procedure typically takes between two to three hours to complete and is performed under general anesthesia.
 
Like any surgery, RYGB does carry risks and potential complications, such as bleeding, infection, blood clots, and bowel obstruction. It is important for patients to thoroughly discuss the potential risks and benefits of the procedure with their surgeon before making a decision.
 
In conclusion, Roux-en-Y gastric bypass has a rich history and has evolved significantly since its development in the 1960s. It has become a gold standard in bariatric surgery, with high success rates in inducing significant weight loss and improving obesity-related comorbidities. As with any surgery, it is important for patients to thoroughly prepare and discuss the potential risks and benefits with their surgeon before undergoing the procedure.
In the 1970s, the development of laparoscopic surgery revolutionized the field of bariatric surgery. Laparoscopic RYGB, also known as "minimally invasive" RYGB, was first performed in 1993 by Dr. Alan Wittgrove, and it quickly gained popularity due to its smaller incisions, faster recovery time, and reduced risk of complications.
 
Since then, RYGB has undergone further refinements and modifications to improve its safety and efficacy. One such modification is the use of a circular stapler to create the gastrojejunal anastomosis, which reduces the risk of leakage and stricture formation. Another modification is the addition of a "mini-gastric bypass" or "one-anastomosis gastric bypass" technique, which involves a shorter bypass limb and a single anastomosis, resulting in shorter operative times and potentially greater weight loss.
 
Despite its long history and continued evolution, RYGB remains a major surgical procedure with potential risks and complications. It requires a significant commitment from the patient to make lifestyle changes, such as adhering to a strict diet and exercise regimen, to ensure the best long-term outcomes.
 
In conclusion, Roux-en-Y gastric bypass (RYGB) is a well-established and effective weight loss surgery that has undergone decades of refinement and modification. Its history spans back to the 19th century, and it has evolved into a minimally invasive procedure with a lower risk of complications. Although RYGB is not without risks and requires a significant commitment from patients, it remains a viable option for individuals struggling with obesity and its associated health risks.
 
Dr. Baijal continues his lecture on the history of RYGB:
 
In the late 1990s and early 2000s, laparoscopic RYGB became more popular as it offered patients a minimally invasive option with reduced recovery time and fewer complications. The procedure involves making small incisions in the abdomen and using a laparoscope, a thin tube with a camera and surgical instruments, to perform the surgery. The surgeon creates a small stomach pouch and then reroutes the small intestine to the pouch, bypassing the majority of the stomach and upper intestine. This limits the amount of food the patient can eat and reduces the absorption of calories.
 
As laparoscopic RYGB became more common, the procedure continued to evolve with new variations and techniques. For example, some surgeons began to perform the procedure with a single anastomosis, or connection, between the stomach pouch and the small intestine, instead of the traditional two anastomoses. This technique, known as single anastomosis gastric bypass or mini gastric bypass, is less complex and has a shorter operative time than traditional RYGB.
 
RYGB has proven to be an effective weight loss procedure, with patients typically losing 60 to 80 percent of their excess weight within the first two years after surgery. In addition to weight loss, RYGB has been shown to improve or resolve many obesity-related conditions, including type 2 diabetes, high blood pressure, and sleep apnea.
 
However, RYGB is not without risks and potential complications. The procedure has a higher risk of complications than some other bariatric surgeries, including bleeding, infection, and blood clots. Patients may also experience dumping syndrome, a condition where food moves too quickly through the small intestine, leading to nausea, vomiting, and diarrhea. Nutritional deficiencies can also occur, and patients must take vitamin and mineral supplements for the rest of their lives.
 
In conclusion, RYGB has a long and fascinating history, with a rich legacy of experimentation and innovation. From the early days of stomach stapling to the modern laparoscopic technique, RYGB has undergone numerous refinements and adaptations over the years. Despite its risks and potential complications, RYGB remains a highly effective weight loss procedure with a proven track record of success. It has helped countless individuals achieve significant and lasting weight loss, improve their health, and enhance their quality of life.
3 COMMENTS
Dr. Satnam Singh
#3
Dec 7th, 2023 8:59 pm
Today, we explore the history of Roux-en-Y gastric bypass (RYGB) with Dr. Manish Baijal, a prominent bariatric surgeon. Dr. Baijal discusses the evolution of RYGB, originally developed for peptic ulcer disease, later revealing significant weight loss benefits.





Dr. Viren Thakur
#2
Oct 28th, 2023 9:24 am
In a discussion with Dr. Manish Baijal, a bariatric surgeon, the historical evolution of Roux-en-Y gastric bypass (RYGB) was explored. Originating in the 1960s as a treatment for peptic ulcer disease, it was later recognized for its weight loss benefits. The initial procedure, known as the Mason procedure, was developed by Dr. Edward Mason in 1967 but had a high complication rate, limiting its adoption.
Dr. Harmesh Agrawal
#1
Apr 28th, 2023 6:15 am
Dr. Manish Baijal's video lecture on the history of Roux-en-Y gastric bypass (RYGB) provided a comprehensive overview of the evolution of the procedure over the years. He discussed the technical advancements and modifications that have improved the safety and effectiveness of the surgery. The lecture was an informative resource for healthcare professionals interested in the history of RYGB.
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