Losing weight without reshaping your gastrointestinal anatomy has advantages, not just the lack of surgical risk.
Surgical Society objects to the description of bariatric surgery as the wiring of the internal mouth and the amputation of healthy organs simply to discipline people’s behavior. They’ve even dubbed it “metabolic surgery,” an anatomical rearrangement that results in changes in digestive hormones that offer unique physiological benefits. As evidence, they point to a significant remission rate for type 2 diabetes.
After bariatric surgery, about 50% of obese people develop diabetes and 75% become “superobese” diabetics. to go into remission, meaning they have normal blood sugar levels on a normal diet without any diabetes medication. Can normalize blood sugar happens during the day after surgery. And 15 years after surgery, 30% left free of diabetes, compared to a remission rate of 7% in the non-surgical control group. Are we sure it was surgery?
One of the most difficult parts of bariatric surgery lift liver Because obese individuals tend to have large, fatty livers, there is a risk of liver damage and bleeding. Liver enlargement is one of the most common reasons why a minimally invasive laparoscopic surgery can turn into a fully invasive open surgery, leaving the patient with a large abdominal wound, along with an increased risk of wound infection, complications, and recovery time. But lose even just 5% of your body weight and your fatty liver can drop by 10%. Therefore, those who are waiting for bariatric surgery are on a diet. After surgery, patients usually is placed on an extremely low-calorie liquid diet for weeks. Could their improvement in blood sugar be due to calorie restriction alone, rather than some sort of metabolic surgery magic? The researchers decided to put it to the test.
At the University of Texas Bariatric Surgery Clinic, patients with type 2 diabetes are scheduled for gastric bypass surgery. voluntary stay in the hospital for up to 10 days to follow the same extremely low-calorie diet—less than 500 calories a day—that they are placed on before and after surgery, but without going through the procedure itself. After a few months, when they regained their weight, the same patients underwent the actual surgery and repeated their diet, which was consistent day by day. This allowed the researchers to compare the effects of caloric restriction with and without surgery—same patients, same diet, with or without surgery alone. If there was some kind of metabolic benefit to the anatomical reconstruction, the patients would do better after the surgery, but in some ways they were actually worse off.
Calorie restriction alone led to similar improvements in blood sugar levels, pancreatic function, and insulin sensitivity, but several measures of diabetes control improved significantly without surgery. The surgery seemed to put them in a metabolic state.
Calorie restriction works by mobilizing fat from the liver. It is believed to be type 2 diabetes caused by accumulating fat in the liver and spilling into the pancreas. Anyone can have “personal fat threshold” to safely maintain excess fat. When this level increases, fat accumulates in the liver and it can cause insulin resistance. Then the liver can load some of the fat (in the form of a fat-transporting molecule called VLDL) that can then accumulate in the pancreas and to kill cells that produce insulin are removed. When diabetes is diagnosed, perhaps half of our insulin-producing cells are gone was destroyedas seen below and at 3:36 in my video Bariatric surgery versus diet to reverse diabetes. However, put people on a low-calorie diet and this whole process can be on the contrary.
A large enough calorie deficit can reason A profound reduction in liver fat is sufficient to restore hepatic insulin sensitivity within seven days. Keep it up and the calorie deficit can reduce liver fat enough to help to stabilize pancreatic fat levels and activity in just eight weeks. Once you drop below your personal fat threshold, you should be able to conclusion normal calorie intake and still keep your diabetes at bay, as seen below and at 4:05 in my video.
Conclusion: Type 2 diabetes can be reversed with weight loss if you catch it early.
Lose more than 30 pounds (13.6 kilograms) and about 90% of those with type 2 diabetes for less than four years can achieve non-diabetic blood sugar levels (suggesting diabetes remission), while it can only be reversed in 50% of people who have lived with the disease for eight years or more. It’s just about losing weight with a diet, though. For people with diabetes, to lose with bariatric surgery twice as much weight, diabetes remission can only be about 75% of people who have had the disease for up to six years, and only about 40% for those who have had diabetes longer, as seen below and at 4:41 in me. video.
Losing weight without surgery can offer other benefits as well. People with diabetes who can lose weight with diet alone improve markers of systemic inflammation, such as tumor necrosis factor, while levels worsened significantly when losing about the same amount of weight from gastric bypass.
What about diabetes complications? One reason avoid Diabetes should prevent related conditions such as blindness or kidney failure requiring dialysis. Diabetes Reversal With Bariatric Surgery May Improve Kidney Function, But Surprisingly, It May Not prevention the onset or progression of diabetic vision loss—perhaps because bariatric surgery affects the quantity, but not necessarily the quality, of diet. This reminds me of a famous study was published in The New England Journal of Medicine that randomized thousands of people with diabetes to an intensive lifestyle program aimed at weight loss. After ten years, the study was stopped prematurely because the participants were no longer living or had fewer heart attacks. This may be because they remained on the same diet, but only in smaller portions.
Dr.’s comment
This is the third blog in a four-part series on bariatric surgery. If you missed the first two, check it out Mortality from weight-loss bariatric surgery and Complications of bariatric surgery.
My book How not to diet focused only on sustainable weight loss. Check it out at your local library or wherever you get your books. (All proceeds from my books go to charity.)
