(Thursday, 7 April HealthDay News) - Silke Zeigler was sick with "yo-yo" dieting diet in its struggle to maintain a healthy weight.
"The first realization was that diets has not worked and actually made things worse, as after the diet, I put the weight I would be lost," said Zeigler, 26, a region of the Germany Wurzburg taxi driver. "Then, I've searched surgical options such as gastric banding or gastric bypass." But, ironically, for these operations I did not quite overweight. ?
And then the University Hospital Wurzburg offered a chance to participate in a test of innovative stomach "pacemaker", aimed at curbing the appetite and weight control.
Zeigler has embraced the idea, to a large extent because of the reversibility of treatment. ", It can always be removed again without permanent effects on my stomach Anatomy, such that [is] going on in a gastric bypass," Zeigler noted.
Ten months after having received the implantable device in what she calls an "easy" operation, Zeigler said she has lost approximately 80 pounds and kept off the coast. "I quickly noticed success because in the first weeks, I've lost 20 kilos of books 44] and with each kilo of fading my increased motivation," she said.
The device, not yet approved for use in the United States, is nicknamed "abiliti" by its creator based in California, IntraPace. According to the company, the device is implanted in the stomach during laparoscopy an hour through small insertions in the abdominal wall.
Once in place, the device uses his sensor for the detection of food sense whenever a patient eats or drinks. This leads to emit electrical pulses low energy to the nerves that trigger a sensation of fullness fast.
IntraPace, users may feel "a sensation" tiny pulses offered by the device. Zeigler said that, in his case, "" the feeling of fullness occurs much earlier today than in the past.""
Activity sensor also follows food intake and the levels of the physical effort of the patient, automatically sending information to a computer for patients and doctors can easily monitor (and adjust) eating habits and exercise.
"Is does not for patients of the police, but to help encourage positive results", Chuck Brynelson, CEO of IntraPace explained.
To date, a completion of the trial, with a second still ongoing - both funded IntraPace - tested device among a total of 65 patients. Both studies were designed to assess the safety and efficacy of the device, rather than comparing it to other methods of weight loss or of drugs.
The results of the first study was presented to the International Federation of 2009 for the meeting of surgery for obesity and metabolic diseases. In this trial, study author Thomas Horbach, Schwabach (Germany), has recruited obese persons with an original pre-implant body mass index (BMI) of 35 and 55 (30 being the threshold for obesity statistics).
After having received the device, the participants have lowered their daily food intake by an average of 45%, researchers said, and they lose an average of 22 per cent of their excess weight in the year of implementation.
IntraPace recognizes that a gastric bypass standard currently produces even more dramatic results - generally a loss of 50 to 60 per cent of excess weight in the year. An another type of Bariatric Surgery, gastric banding, is between 34% and 38 per cent in the first year postoperative weight loss.
However, the company also noted that the more intrusive workaround and banding surgery come with more risks: 0.5 to 0.05% of these patients die, respectively. while 23% to 32% around 88 to 93% of the beneficiaries of the gastric band and patients suffer significant side effects. So far, pacemaker surgery caused no deaths and no major adverse effects in individuals who have received, said IntraPace.
Yet, some U.S. weight loss experts remain less enthusiastic on the device.
Dr. Mitchell Roslin, Chief of Bariatric Surgery at Northern Westchester Hospital in Mount Kisco, New York State, said that it takes a "view very down" stomach pacemaker technology, rejected as having the effect of "glorified placebo."
"The kind of sophisticated communication that happens between the stomach, nerves and the brain is not as simple as turning on a switch," he said. "It is pulse on this nerve on and in the hope that that mimics the way in which the stomach of the signals in the brain." But the simple state of obesity pacemaker technology today is that all we can currently is the tension or decrease the tension. And, in my view, it is simply not good enough. ?
Another expert, registered dietician and Professor of clinical nutrition Lona Sandon, of the University of Texas Southwestern Dallas, said it remains to be seen if the pacemakers stomach could have an important role to play in weight loss.
"Certainly, it could be another tool in the box to help with the problem of obesity," she said. "Of course, education must play a role on and see what are the risks." "But it seems that it is much less invasive and has the potential for less than surgical risk compared to bariatric surgery, which is a pretty serious surgery that can cause many complications."
It is costs to consider, too: according to Brynelson, abiliti fees now between $20,000 and $23,000, which includes the device more implantation in the stomach. Which is based on costs in Britain, where the device was recently approved for use.
Brynelson said that discussions between Intrapace and the U.S. Food and Drug Administration are underway, aimed at describing the parameters of new trials that must be performed before the device could be approved for American patients. In the most optimistic scenario, which would occur before 2014, he said.
Sandon stressed that any weight loss intervention should ideally include changes in lifestyle. "With any any of these devices that may help you eat less, you will need to pay attention to what you put in your mouth and make healthy food choices and increased physical activity to promote overall health," she said. "Surgery does not replace good nutrition." Or perform any type of implantable devices. "Habits are still key to global health in the long term."
Recipient Abiliti Zeigler said that she could no longer agree with these tips.
"Of course, [my weight loss] is also due to a change of diet and lifestyle," she said, noting that since the operation she coupled "a strong desire and willingness to lose weight" with avoidance of fast foods and feeding tilted to salads and whole grains.
More information
For more information on standard weight loss surgery options, visit the National Institutes of Health of United States.
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