Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

The criteria for weight-loss surgery need to be changed

18.02.2013
Weight-loss surgery is currently only offered to patients who exceed a certain BMI. However, surgical intervention could improve the health of many more people.

This is shown by the Swedish Obese Subjects study carried out at the Sahlgrenska Academy, University of Gothenburg, Sweden, involving 104 patients who were operated on despite their BMI being “too low”. As a result, the risk of developing diabetes was reduced by 67 percent.

In order to meet the current selection criteria for weight-loss surgery, Swedish patients must have a body mass index (BMI) above 40 for healthy patients, or above 35 in combination with other risk factors such as type 2 diabetes.

However, these selection criteria have not been devised in a scientific manner, and need to be improved. This is the opinion of researchers at the Sahlgrenska Academy, University of Gothenburg, who have shown in a new study that weight-loss surgery also offers significant health benefits for patients who do not meet today’s criteria.

In the study, which has been published in Diabetes Care, the researchers from Gothenburg have monitored 104 patients who had weight-loss surgery before the current criteria were established, and who would not have been offered the operation today. The study shows that, 15 years after the procedure, these patients had a 67 percent lower risk of developing diabetes compared with a control group who were not operated on.

“The effect was the same as for patients who meet the current criteria,” explains researcher Kajsa Sjöholm from the Sahlgrenska Academy, University of Gothenburg. “In other words, there is no proof that weight-loss surgery has a greater preventive effect against diabetes for patients who exceed today’s BMI limit than for those who don’t.”

The study also shows that weight-loss surgery reduces the risk factors for cardiovascular disease among patients who are not currently eligible for this surgery.

With reference to previous results published in the SOS study at the University of Gothenburg, which showed that weight-loss surgery generally results in a long-lasting reduction in weight and reduces the risk of diabetes, heart disease, stroke, cancer and premature death, the researchers from Gothenburg believe that today’s selection criteria should be re-evaluated.

According to the researchers, strict BMI limits can lead to patients with a high risk of future disease who would benefit from treatment being denied surgery. Previous research findings show that the selection can be improved by analysing patients’ insulin and glucose values.

The article “Evaluation of Current Eligibility Criteria for Bariatric Surgery: Diabetes prevention and risk factor changes in the Swedish Obese Subjects (SOS) study” was published in Diabetes Care on 28 January.

ABOUT THE SOS STUDY
The Swedish Obese Subjects (SOS) study has monitored 4,047 obese patients for up to 20 years. Of these, half underwent weight-loss surgery and half were treated by the Swedish primary healthcare service. The study has contributed towards increased knowledge of the long-term effects of weight-loss surgery, and the researchers have published a number of internationally noted reports showing that weight-loss surgery prevents diabetes, cardiovascular disease and cancer, and reduces the risk of premature death.
Contact:
Lena Carlsson, Professor at the Institute of Medicine, Sahlgrenska Academy,
+46 (0)70 679 1154
lena.carlsson@medic.gu.se
Kajsa Sjöholm, Docent at the Institute of Medicine, Sahlgrenska Academy,
+46 (0)73 368 0308
kajsa.sjoholm@medic.gu.se

Annika Koldenius | idw
Further information:
http://www.gu.se

More articles from Health and Medicine:

nachricht Hot cars can hit deadly temperatures in as little as one hour
24.05.2018 | Arizona State University

nachricht 3D images of cancer cells in the body: Medical physicists from Halle present new method
16.05.2018 | Martin-Luther-Universität Halle-Wittenberg

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Molecular switch will facilitate the development of pioneering electro-optical devices

A research team led by physicists at the Technical University of Munich (TUM) has developed molecular nanoswitches that can be toggled between two structurally different states using an applied voltage. They can serve as the basis for a pioneering class of devices that could replace silicon-based components with organic molecules.

The development of new electronic technologies drives the incessant reduction of functional component sizes. In the context of an international collaborative...

Im Focus: LZH showcases laser material processing of tomorrow at the LASYS 2018

At the LASYS 2018, from June 5th to 7th, the Laser Zentrum Hannover e.V. (LZH) will be showcasing processes for the laser material processing of tomorrow in hall 4 at stand 4E75. With blown bomb shells the LZH will present first results of a research project on civil security.

At this year's LASYS, the LZH will exhibit light-based processes such as cutting, welding, ablation and structuring as well as additive manufacturing for...

Im Focus: Self-illuminating pixels for a new display generation

There are videos on the internet that can make one marvel at technology. For example, a smartphone is casually bent around the arm or a thin-film display is rolled in all directions and with almost every diameter. From the user's point of view, this looks fantastic. From a professional point of view, however, the question arises: Is that already possible?

At Display Week 2018, scientists from the Fraunhofer Institute for Applied Polymer Research IAP will be demonstrating today’s technological possibilities and...

Im Focus: Explanation for puzzling quantum oscillations has been found

So-called quantum many-body scars allow quantum systems to stay out of equilibrium much longer, explaining experiment | Study published in Nature Physics

Recently, researchers from Harvard and MIT succeeded in trapping a record 53 atoms and individually controlling their quantum state, realizing what is called a...

Im Focus: Dozens of binaries from Milky Way's globular clusters could be detectable by LISA

Next-generation gravitational wave detector in space will complement LIGO on Earth

The historic first detection of gravitational waves from colliding black holes far outside our galaxy opened a new window to understanding the universe. A...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

Save the date: Forum European Neuroscience – 07-11 July 2018 in Berlin, Germany

02.05.2018 | Event News

Invitation to the upcoming "Current Topics in Bioinformatics: Big Data in Genomics and Medicine"

13.04.2018 | Event News

Unique scope of UV LED technologies and applications presented in Berlin: ICULTA-2018

12.04.2018 | Event News

 
Latest News

When corals eat plastics

24.05.2018 | Ecology, The Environment and Conservation

Surgery involving ultrasound energy found to treat high blood pressure

24.05.2018 | Medical Engineering

First chip-scale broadband optical system that can sense molecules in the mid-IR

24.05.2018 | Physics and Astronomy

VideoLinks
Science & Research
Overview of more VideoLinks >>>