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Gastric Bypass Surgery

… surgeon Francisco Guzman, MD , January 2025 Gastric bypass is a surgical procedure that induces weight loss by changing … of the digestive tract. Key Facts Gastric bypass surgery is one of the most common weight loss surgeries in the United … may not be tolerated well. Complications at Reconnection Site – Long-term complications related to intestinal …

Last Modified: 11/12/2025 - 13:43

Graves’ Disease

… of Columbia’s Thyroid Surgery Team , October 2024 What is Graves’ Disease? Graves’ disease is an autoimmune disorder that affects the thyroid gland, the … changes. Such symptoms may occur before or after a person is diagnosed with Graves’ disease. In many cases, these …

Last Modified: 09/26/2025 - 10:57

Intraoperative Radiation Therapy for Breast Cancer

… explains how Intraoperative Radiation Therapy (IORT) is administered, its potential benefits, and eligibility. Key Info IORT involves a single dose of radiation that is administered immediately after a lumpectomy. Compared with … How Intraoperative Radiation Therapy Works A lumpectomy is a common procedure for patients with early stage breast …

Last Modified: 09/22/2025 - 12:55

Angioplasty

… Angioplasty is a nonsurgical procedure to open blocked or narrowed … coronary intervention (PCI) or balloon angioplasty, it is used to treat severely blocked coronary arteries as well … through the artery to the area of blockage. The balloon is inflated, flattening the fatty deposits and widening the …

Last Modified: 12/16/2025 - 16:13

Myocarditis

… Myocarditis is an inflammation of the heart muscle, usually as a result … of the world (and previously in the United States), TB is a common cause of pericarditis. How is Myocarditis Diagnosed? Myocarditis may start with flulike …

Last Modified: 12/16/2025 - 15:28

Being A Woman Surgeon: Sixty Women Share Their Stories

… Christine Rohde, MD, MPH, FACS , is one of 60 surgeons to share their experiences in Being A … wide acclaim from readers and reviewers. Dr. Rohde is Chief of Microvascular Services and Associate Professor in … best-selling author Atul Gawande, MD, writes, "This book is an enthralling read. It is all too rare to hear the …

Last Modified: 02/19/2023 - 13:11

Bariatric Surgery FAQs

… and after surgery. For this meeting with the dietician, it is a good idea to bring a list of everything you have eaten … of the tests that he/she has recommended that you do, it is then that our office will schedule an appointment to meet … case. Most patients then decide which weight loss surgery is best for them. If you are still undecided, you do not need …

Last Modified: 11/05/2025 - 15:28

A Biomimetic Patch Could Soon Change the Way We Do Heart Valve Repairs

… David Kalfa, MD, is a pediatric heart surgeon with a PhD in tissue … malformations currently? Malformation of heart valves is very frequent in children, and there are different ways to … augmentation of the leaflet or leaflet replacement. There is another situation where we have to replace the valve, but …

Last Modified: 07/07/2025 - 16:08

Pediatric Heart Valve Center

… The Pediatric Heart Valve Center at Columbia is dedicated to improving the quality of care for children … safer treatment options. The Pediatric Heart Valve Center is one of the largest and most successful centers for … Valve The most common aortic valve lesion in childhood is aortic stenosis. Left ventricular outflow tract (LVOT) …

Last Modified: 01/21/2026 - 18:33

Rhinoplasty (Nose Job)

… Plastic Surgery Team , May 2025 A nose job (rhinoplasty) is a surgical procedure to change the shape and size of the … to improve appearance and breathing. Key Facts Rhinoplasty is one of the most common cosmetic procedures in the US. … The procedure can also help improve breathing. What is Rhinoplasty? Rhinoplasty is a surgery that changes the …

Last Modified: 10/28/2025 - 18:22

Heart Transplantation

… transplanted in humans. Today, transplantation is performed with kidneys, liver, the pancreas, lungs, the … veins, and valves of the heart. Cardiac transplantation is the surgical placement of a healthy heart from a human donor into the body of a person whose own heart is badly diseased. The procedure is also referred to as …

Last Modified: 01/26/2026 - 11:58

Gastroesophageal Reflux

… reflux disease (GERD), also called acid reflux, is a common digestive disorder in which stomach contents … of the body's natural anti-reflux mechanism. Diagnosis It is important that the diagnosis and particular cause of the … be confirmed. The patient's history of signs and symptoms is reviewed, and tests are performed including: Manometry pH …

Last Modified: 11/05/2025 - 17:01

Primary Hyperparathyroidism

… , October 2024 About Primary hyperparathyroidism (PHP) is a disease in which one or more of the parathyroid glands … PTH level causes an increase in blood calcium levels. PHP is the most common cause of high blood calcium levels in the … and occurs in about 28 out of every 100,000 people. PHP is twice as common in women than in men and becomes more …

Last Modified: 09/26/2025 - 11:14

Heller Myotomy

… Heller myotomy (esophagomyotomy) is considered the most effective treatment for achalasia. In this procedure the lower part of the esophagus is cut lengthwise and the lower esophageal sphincter (LES) is cut. Heller myotomy cuts through the outside muscle layers …

Last Modified: 02/19/2023 - 13:08