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The National Institutes of Health (NIH) has standardized guidelines and criteria for determining whether or not the patient is a qualified candidate for bariatric surgery**. The Johns Hopkins Center for Bariatric Surgery adheres to these guidelines. The candidate should:
- have a Body Mass Index of 40 kg/m2 or higher. This is approximately 100 pounds overweight. Patients may qualify if their BMI is between 35 and 40 and they have a significant obesity related disease.
- be healthy enough to have surgery.
- have tried and failed dietary management regimes.
**Gastrointestinal Surgery for Severe Obesity. NIH Consensus Statement 1991 Mar 25-27; 9(1): 1-20.
Review the 1991 NIH Executive Summary.
Body Mass Index (BMI) and How to Calculate Your BMI
Calculate your BMI
Body Mass Index (BMI) is one of the most accurate ways to determine when extra pounds translate into health risks. BMI is a measure of body fat based on height and weight that applies to both adult men and women. Your BMI measures your height/weight ratio. It is your weight in kilograms divided by the square of your height in meters. Morbid obesity is defined as at least 100 pounds overweight, with a BMI greater than 40.
|BMI (kg/m2)||Excess Body Weight|
|Normal Weight||18.5 - 24.9||None|
|Overweight||25.0 - 29.9||< 30 lbs|
|Obese||30.0 - 39.9||> 30 lbs|
|Morbidly Obese||40.0 - 49.9||> 100 lbs|
|Super Morbidly Obese||50+||> 150 lbs|
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