Monday, January 7, 2013

Diabetes Chances Are Reduced With Obesity Surgery

Has proven to be the newest and perhaps most effective treatment for some people with diabetes, gastric bypass surgery - - , involving shrinking the belly as a way to reduce fat - - although it began as remedy for something different entirely.

Just days following the surgery, also before they start to lose weight, individuals with diabetes find surprising improvement in their glucose levels. Many are able to instantly come off their diabetes medicines.

"This is not a silver bullet," said Doctor. Vadim Sherman, medical director of bariatric and metabolic operation at the Methodist Hospital in Houston. "The silver bullet is lifestyle modifications, but gastric bypass is a tool which will help you make it."

The surgery has hazards, it is not an appropriate remedy for everyone with type 2 diabetes and reaching the desired outcome still requires lifestyle changes.

"The surgery is a highly effective option for fat individuals with type 2 diabetes, but it is a very large stage," said Dr. Michael Williams, an endocrinologist associated with the Swedish Medical Center in Seattle. "It enables them to lose a tremendous amount of pounds and imitates what happens when people make lifestyle changes. But, the enhancement in glucose control is far more than we'd expect simply from the fat loss."

Almost 26 million Americans have diabetes, according for the American Diabetes Association. Being overweight is a significant risk factor for type 2 diabetes, although not everybody that has the disease is overweight. Type 2 happens when the human body stops using the hormone insulin efficiently. Insulin helps sugar enter the body's tissues to supply power.

Lifestyle modifications, including losing 5 to 10 percent of bodyweight and exercising frequently, are often the first treatments indicated. Many individuals think it is difficult to make permanent lifestyle adjustments independently, however. Oral drugs may also be available, but these frequently fail to restrain diabetes adequately. Injected insulin can also be offered as remedy.

Surgeons first mentioned that gastric bypass surgeries had a result on blood glucose management over 50 years ago, according to a review article in a recent issue of The Lancet. At that time, although, weight-loss surgeries were notably riskier for the patient. But as techniques in bariatric surgery enhanced and the medical complication rates came down, experts started to re - examine the impact the operation was having on diabetes.

In 2003, a research in the History of Surgery noted that 83 percent of people with type 2 diabetes who experienced the weight - loss surgery called Roux - en - Y gastric bypass saw a solution of the diabetes after surgery. Meaning they no longer needed to take oral drugs or insulin typically.

In Roux-en-Y operation, the human body of the digestive tract is rearranged, Sherman explained. A small part of the abdomen is attached straight to the tiny intestine, bypassing the remainder of the stomach, duodenum and upper bowel. This not just restricts how much foods the individual may eat -- as do other weight-loss surgeries, including gastric banding -- however it shifts the hormones in the digestive tract.

"When meals or nutrients enter the mid or hind bowel, your body releases a hormone called GLP1 and other hormones that inform the brain to stop eating," Sherman said. After gastric bypass surgery, nonetheless, "you're getting this effect earlier in dinner, and it leads to less cravings, overly," he said. "It is unclear exactly where the device for this change is today, though some suppose the duodenum."

Wherever the change does occur, it occurs right after the surgery. "There is a change in bloodstream sugar almost instantly, often before individuals also leave the hospital," he said.

Sherman noted that weight-loss surgery that involves banding does not have the same impact on diabetes. Once weight is lost by people, their blood sugar levels control may improve, he said, but it's not as dramatic as what happens after bypass surgery.

Potential dangers of gastric bypass include those that you can get for most operations, including the likelihood of extreme bleeding, blood clots and illness, according to the U.S. National Institute of Diabetes and Digestive and Kidney Diseases. But, these dangers are frequently heightened in individuals who are heavy.

Afterwards, people who have had the surgery might not absorb nutrients also as they used to, and doctors recommend taking certain supplements. Additionally, foods may have a tendency to move from the stomach towards the little intestine too fast, before it is completely digested. Called dumping symptoms, this side-effect frequently develops after consuming foods high in carbs, according to Sherman. Symptoms may include diarrhoea and abdominal pain.

And, despite its promise, not everyone with diabetes is a perfect candidate for gastric bypass.

It's currently advised only for those with a body mass index (BMI) above 40 and those who have a BMI over 35 and a condition such as diabetes, high blood pressure or heart problems.

Type 1 diabetes, although, is not on the list. Williams mentioned that bariatric surgery won't help with blood sugar control in individuals with type 1 diabetes because type 1 is an autoimmune problem in which insulin-producing cells in the pancreas are destroyed by the immune system. In type 2, Sherman said, the issue isn't within the pancreas to begin with.

Gastric bypass surgery can be best for those who have not had diabetes for a number of years, and for those who do not have to use insulin to regulate their blood glucose.

"Bariatric surgery is not an easy repair," Williams said. "There is lots of prep that goes into bariatric surgery, and it's a lifelong lifestyle adjustment. Nutritional consumption is restricted forever, and people need to prevent high-sugar foods. But, it is a really great alternative for the proper man."

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