Bariatric Surgery Outcomes at PAMF

Post Bariatric Surgery Palo Alto Medical Foundation’s experienced surgeons, combined, have performed more than 2,400 safe and effective bariatric surgeries since 2008  in the past five years, with proven results. On average, our patients lost 26 percent of their weight one year after surgery.

Our surgical weight loss experts have compiled the following information and statistics for patients who are considering bariatric surgery. The data shows the weight loss results of patients who underwent three different types of surgery at PAMF. We also tracked how our patients’ weight loss positively affected their blood pressure, cholesterol levels and blood sugar.

Weight Loss

The following chart depicts the percentage of excess body weight our patients lost in the year following their bariatric surgery procedures. Results are further broken down by surgery type and gender.

Bariatric Surgery Results from 2008 to 2012

*Chart depicts the results of 890 surgeries, excluding bariatric revisions and removals. 

Long-term weight loss is also significant. On average our patients lost:

• Gastric Bypass: 88 pounds two years after surgery.
• Lap Band: 34.4 pounds two years after surgery.
• Sleeve Gastrectomy: 79.4 pounds two years after surgery.

In most cases, our patients lost more than half of their excess weight after bariatric surgery.

Overall Health Improvements

Our patients People also improved their health in many important key ways.

Gastric Bypass Patient Averages

• Blood pressure dropped by 6.7 percent.
• Blood sugar A1c levels dropped by 21.8 percent.
• HDL (good) cholesterol rose by 19 percent.
• LDL (bad) cholesterol dropped by 9.1 percent.
• Triglycerides dropped by 48.7 percent.

Sleeve Gastrectomy Patient Averages

• Blood pressure dropped by 6.5 percent.
• Blood sugar A1c levels dropped by 10.8 percent.
• HDL (good) cholesterol rose  by 28.4 percent.
• LDL (bad) cholesterol rose by 16 percent.
• Triglycerides dropped by 36.5 percent.

Lap Band Patient Averages

• Blood pressure dropped by 6.7 percent.
• Blood sugar A1c levels dropped by 9.7 percent.
• HDL (good) cholesterol rose by 13.2 percent.
• LDL (bad) cholesterol rose by 9.8 percent.
• Triglycerides dropped by 34.3 percent.