Bariatric surgical procedures cause weight loss by restricting the amount of food the stomach can hold, causing malabsorption of nutrients, or by a combination of both gastric restriction and malabsorption. Bariatric procedures also often cause hormonal changes. Most weight loss surgeries today are performed using minimally invasive techniques (laparoscopic surgery).
The most common bariatric surgery procedures are gastric bypass, sleeve gastrectomy, adjustable gastric band, and biliopancreatic diversion with duodenal switch. Each surgery has its own advantages and disadvantages.
Dr. Isaias Irgau, MD, FACS, FRCS (Ed), FASMBS is president and co-founder of the Christiana Institute of Advanced Surgery (CHRIAS). He has extensive experience with minimally invasive weight loss surgery. Dr. Irgau is board-cetified in general surgery with the American Board of Surgery. In conjunction with his associate, Dr. Gail Wynn, he was the first to perform the LAP-BAND® procedure and the first to firmly establish the laparoscopic approach to Roux-n-Y gastric bypass in the state of Delaware. Dr. Irgau has personally performed over 2,000 bariatric procedures with excellent results. He and his associate Dr. Wynn started and established the Bariatric Surgery Program in two of Delaware’s leading medical centers – Christiana Hospital and St. Francis Hospital. With the addition of Dr. Michael Peters Jr., and Dr. Rahul Singh to CHRIAS, they eventually led the two hospitals to earn the prestigious designation of Center of Excellence in Bariatric Surgery – Christiana Hospital, St. Francis Hospital, and Bayhealth Medical
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