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Roux-en-Y gastric bypass weight loss surgery helps morbidly obese lose 70-80% of excess weight
Monday, December 06, 2010 1:14 pm Email this article
People who were morbidly obese had lost 80 percent of their excess body weight two years after having silicone ring Roux-en-Y gastric bypass weight loss surgery according to a study from researchers at the University of Sao Paulo's School of Medicine in Sao Paulo, Brazil. BMI Decrease
BMI decreased from 57 to 29 two years after surgery
Body mass index (BMI) dropped from an average of 56.7 before surgery to 29.3 two years after surgery.
Two-Year Weight Loss
Two-year weight loss: 190 lbs for men, 160 lbs for women
This would be an average weight loss of about 190 pounds for a man of average height, dropping from roughly 395 pounds to 205 pounds.
For a woman of average height, the average weight loss would be about 160 pounds, dropping from roughly 330 pounds to 170 pounds.
Seven-Year Weight Loss
Seven-year weight loss: 150 lbs for men, 130 lbs for women
After an average of 7 years after surgery, the average BMI had increased to 35.5.
For a man of average height, this would be a body weight of roughly 245 pounds or a weight loss of about 150 pounds.
For a woman of average height, this would be a body weight of roughly 200 pounds or a weight loss of 130 pounds.
Health benefits: Diabetes disappeared in 77%, hypertension in 37%, sleep apnea in 94%
Diabetes disappeared in 77 percent of patients.
Hypertension disappeared in 37 percent of patients.
And sleep apnea disappeared in 94 percent of patients.
Nutritional Deficiencies: Iron, vitamins B12 and D
The most common nutritional deficiencies were iron, vitamin B12 and vitamin D.
Subjects: 75 morbidly obese patients
The study analyzed data from 75 morbidly obese patients who underwent weight loss surgery between 1995 and 1999.
Eighteen (18) were men and 57 were women.
Pajecki D, Dalcanalle L, Souza De Oliveira CP, Zilberstein B, Halpern A, Garrido AJ, Cecconello I. Follow-up of roux-en-y gastric bypass patients at 5 or more years postoperatively. Obes Surg. 2007 May, 17(5):601-07.
AUTHOR’S CONTACT INFORMATION
University of Sao Paulo
School of Medicine
Sao Paulo, Brazil
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