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Doctor insights on: Gastric Bypass Bmi Requirement

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What is the standard BMI requirement for gastric bypass?

What is the standard BMI requirement for gastric bypass?

BMI: To my knowledge there is a range of requirements for gastric bypass. Many bypass surgeons will put you on a diet for a month or more before making a decision about bypass surgery. Once you have listened to and been evaluated by a bypass surgeon you will spend some time thinking about future steps. ...Read more

Dr. Cornelius O'Leary Jr
530 doctors shared insights

Body Mass Index (Definition)

Body mass index is also known as BMI. Body mass index (BMI) is a measurement based on a person's height and weight, to decide if a person is too heavy or too light for his height. The index is a number that can be in the underweight range, normal range, overweight range, or obese range. Children use different number ranges than adults do, ...Read more


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Can you tell me about the standard BMI requirements for gastric bypass?

Can you tell me about the standard BMI requirements for gastric bypass?

BMI requirement: If you are healthy and have no medical problems, you need a bmi of 40 or greater. If you have some medical problems like diabetes, high blood pressure, high cholesterol, sleep apnea, etc., you need a bmi of 35 or higher. You cannot be a smoker either. ...Read more

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What to do if I have a BMI of 39.3, will i be considered for gastric bypass surgery?

What to do if I have a BMI of 39.3, will i be considered for gastric bypass surgery?

Gastric bypass: You need a bmi of 40 or higher if you have no comorbidities (medical problems like high blood pressure, diabetes, high cholesterol, sleep apnea, etc). If you do have comorbidities, your bmi must be 35 or higher. These are the requirements for all insurance companies. In any case, at a bmi of 39.3, you are within a few pounds of a bmi of 40. ...Read more

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What's the best way to get back on track? Had gastric bypass in 2004 lost 140 lbs but gained back 100lbs. Should i just do shakes? Bmi is 49.7.

What's the best way to get back on track? Had gastric bypass in 2004 lost 140 lbs but gained back 100lbs. Should i just do shakes? Bmi is 49.7.

Diet and exercise: It's not the answer you want to hear, but all weight related matters are due to an imbalance between calories consumed and calories burned. A dedication to a diet of moderation along with a regular exercise regimen will help you achieve your goals. Although gastric bypass helps with weight loss, in the end, it's still dependant on you making lifestyle changes. ...Read more

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Can I do the duodenal switch with a BMI of 27.5? Had gastric bypass 7 yrs ago. Gaining weight again. I exercise, but my stomach fits a lot of food!

Can I do the duodenal switch with a BMI of 27.5? Had gastric bypass 7 yrs ago. Gaining weight again. I exercise, but my stomach fits a lot of food!

No: Duodenal switch will not work in a patient that has undergone gastric bypass, since the food stream no longer goes by way of the duodenum. If you are gaining weight after a gastric bypass, you should see your surgeon or a specialized GI physician, who can determine the cause for weight gain. This is usually due to enlargement of the connection between the stomach pouch and the intestine. ...Read more

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I had nissen. It has unwrapped and esophagus shrunk. My BMI is 29. My md recommends gastric bypass. I'm not convinced. Take plavix so no meds .

I had nissen.  It has unwrapped and esophagus shrunk.  My BMI is 29.  My md recommends gastric bypass.  I'm not convinced.  Take plavix so no meds .

Complicated Question: A bmi of 29 without comorbid conditions is not an indication for gastric bypass. That being said your bmi may have some contribution to why your nissen failed. First of all i would recommend seeing a surgeon in specializes in nissen or bariatric procedures. You may just need to lose a little weight and then have repeat wrap with an esophogeal lengthening procedure. ...Read more

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I had a nissen for GERD 2 yrs ago. It has failed and esophagus shortened and ulceration. Dr advises gastric bypass. I'm very concerned. Bmi is 23.

I had a nissen for GERD 2 yrs ago. It has failed and esophagus shortened and ulceration. Dr advises gastric bypass.  I'm very concerned.  Bmi is 23.

Really?: Nissan repair is highly effective for gerd. A gastric bypass would never be recommended for someone with a bmi of 23. See a gastric specialist for options that aren't surgical. ...Read more

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I wanna get gastric bypass surgery but I'm to afraid to go to my doctors office and talk to him about it. I'm 18 years old 5'5 and weigh 240 BMI 40?

Talk to PCP: Talk to your PCP about your concerns. Do not request anything specific, don't say " I want gastric bypass" but discuss your concerns. You probably qualify for a procedure. Typically either BMI equal or greater than 40 alone, or BMI > 35 plus other medical risk factors like BM, hypertension, elevated cholesterol qualify pt for a procedure. Plus you are 18 y/o and are an adult. ...Read more

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Dr. Gregg Nishi
447 doctors shared insights

Gastric Bypass Surgery (Definition)

Gastric bypass surgery is a restrictive and malabsorptive procedure to help lose weight. Restrictive is in the fact that the stomach is down sized to a 2 oz pouch and malabsorptive is in bypassing part of the stomach and 100 to 150 cm of the small ...Read more


Bmi (Definition)

Bmi or body mass index is how we define if a person is under or overweight. It is calculated my taking your height in meters and dividing it by your weight in kilograms squared. Or using a bmi calculator. A normal weight is a bmi between 18-25. Obese is a ...Read more