“I had prepared myself for a difficult couple of days after surgery, and what I experienced was the exact opposite, I had no pain. I literally couldn’t believe how great I felt.” – Kim
The Roux-en-Y Gastric Bypass – often called gastric bypass – is considered the ‘gold standard’ of weight loss surgery and is the second most commonly performed bariatric procedure worldwide.
Gastric bypass involves both restrictive and malabsorptive components to produce long-term weight loss. It is restrictive as a result of the creation of a small stomach pouch, and malabsorptive because it creates a method for bypassing a variable portion of the small intestine depending on a patient’s BMI before surgery.
There are two components to the gastric bypass procedure. First, a small stomach pouch, approximately one ounce or 30 milliliters in volume, is created by dividing the top of the stomach from the rest of the stomach. Next, a Y-shaped section of the small intestine is attached to the pouch allowing food to bypass the main stomach. Bypassing the two segments of the small intestine, known as the duodenum and part of the jejunum, allows the body to reduce the amount of calories and nutrients the body absorbs.
The gastric bypass works because the newly created stomach pouch is considerably smaller and can only hold a few ounces of food at a time, which translates into fewer calories consumed. There is less digestion of food by the smaller stomach pouch, and the segment of small intestine that would normally absorb calories as well as nutrients no longer has food going through it, so there is less absorption of calories and nutrients. Most importantly, the rerouting of the digestive process produces changes in gut hormones that promote satiety, suppress hunger, and reverse one of the primary mechanisms by which obesity induces type 2 diabetes.
Gastric bypass surgery can be performed as a laparoscopic (minimally invasive) procedure which involves the use of a small telescope-like camera inserted through a small incision made in the abdomen, or as an open procedure where a large midline incision is made in the abdomen. The laparoscopic method is the most commonly used by Dr. Averbach and Dr. Hamdallah in Baltimore, Maryland but not everyone is a candidate for this type of surgery.
You and Drs. Averbach and Hamdallah can decide together which procedure is right for you.
- Low mortality rate (0.2%)
- Weight loss of 65 to 70% of pre-operative excess weight within one year
- Overall improved health
- Resolution or elimination of co-morbidities such as type II diabetes, sleep apnea, hypertension and some others
- Disruption of the staple line can lead to leakage or serious infection
- Possible malnutrition or anemia
- Possible obstruction of the GI tract
- Risk of marginal ulcer
- Risk of dumping syndrome
- Requires adherence to dietary recommendations, life-long vitamin/mineral supplementation, and follow-up compliance
Prevention of Reflux/GERD after Gastric Bypass (Gastric Sleeve)
Morbidly obese patients prior to bariatric surgery suffer from a higher frequency of reflux symptoms compared to the general population. To minimize risk of significant GERD after bariatric surgery in Baltimore, Maryland we actively screen patients for symptoms of reflux and hiatal hernia.
If detected, we repair it at the time of bariatric procedure. This approach minimizes risk of possible delayed surgery for this condition which might be needed in about 10% of patients and greatly improve their quality of life after bariatric surgery.
Prevention of Gall Bladder disease after Bariatric Surgery
Morbidly obese patients are known to have a higher frequency of Gall Bladder disease both prior to and after bariatric surgery compared to the general population. Asymptomatic gall stones can cause acute inflammation with significant weight loss after bariatric surgery in 30-40% of patients. It is our policy to actively screen patients for gall bladder problems prior to surgery and if anything is detected (gall stones, chronic cholecystitis due to dyskinesia, cholesterol polyps), removal of the gall bladder would be recommended at the time of main bariatric procedure. Consequently, risk of repeat surgery for gall bladder surgery later on is avoided. If no problems with the gall bladder are detected, after bariatric surgery patients are treated with Ursodiol or Actigall for first six months after bariatric surgery in Baltimore, Maryland, to prevent problems with the gall bladder With that preventive treatment chances of developing that problem are reduced from 30-40% down to 2-5%.
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