St. Joseph Hospital of Orange
1100 West Stewart Dr, Orange, CA 92868714.633.9111
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Bariatric Surgery Program
Our Experts
Eric H. Pham, MD
Jeffrey M. Johnsrud, MD
Sami Hamamji, MD
Heidi Daniel, R.N., M.S.N.
Geoffrey Phillips, MD
Natalie Buntzen, M.S., R.D.
Mary Nell Jeffries, P.T.
Siham (Sue) Arevalo
Shirley Hartshorn
About Obesity
Weight Loss Procedure Options
FAQs
How to Contact Us
Informational Seminars
Patient and Family Resources
Patient Testimonials
Support Services
Surgical Candidacy

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FAQs

Common Bariatric Surgery Questions

Why bariatric surgery?

Traditional weight-loss therapies - such as dieting, exercise, anti-weight medication and behavioral modification - have poor long-term success rates. Bariatric surgery is more effective in achieving dramatic long-term weight loss for the morbidly obese.

Am I a candidate for surgery?

The National Institutes of Health (NIH) established a basic guideline for candidacy. If your weight is in excess of 100 pounds over your ideal body weight and you have a BMI greater than 40, or if you have a BMI greater than 35 with pre-existing co-morbidities, then you have met the NIH's qualifying health criteria for the surgical procedure. For a more detailed explanation, see our Surgical Candidacy section.

How much weight can I expect to lose?

Bariatric surgery offers the potential of losing between 40 to 80% of your excess weight after an 18-month period. The Gastric Bypass and the Sleeve Gastrectomy offer the greatest amount of weight loss during the first year; whereas the Laparoscopic Adjustable Gastric Band (LAGB) surgery weight loss usually occurs over a two to three-year period. Although the initial weight loss is important, bariatric surgery allows the patient to effectively maintain long-term loss of excess weight.

Are there risks involved with the surgery?

Any surgery involves a certain amount of risks and possible complications, both operative and postoperative. Our physicians will be happy to explain the risks and the benefits of the procedure. Deciding on whether the surgery is right for you involves balancing the benefits of surgery and the improvement of your lifestyle against the surgical risks and also the risks of continued obesity. You can discuss these concerns regarding the surgery either by appointment or at one of our informational seminars.

How do I calculate my Body Mass Index (BMI)?