Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:


Surgery for severe obesity saves lives

An extensive swedish study from the Sahlgrenska Academy has established that surgery reduces premature death in patients with severe obesity. A long-term follow up has shown that mortality is significantly lower among patients who undergo surgery than among those who do not.
The results are published today in The New England Journal of Medicine.
"We show for the first time that surgery against obesity not only leads to long-term loss of weight, it also significantly reduces mortality", says Lars Sjöström, professor emeritus at the Sahlgrenska Academy, located in Göteborg in Sweden.

Over 4,000 severely obese patients were included in the study, which Lars Sjöström started as long ago as 1987. Half of these patients underwent stomach surgery (bariatric surgery) intended to give weight loss. The remaining patients received advice concerning changes in lifestyle, also intended to give weight loss. Some of these patients also received medicines for weight loss, but even so, the conventional treatment was considerably less effective than the surgical procedure.

"The group receiving conventional treatment had even increased somewhat in weight after 10 years, while patients who had undergone surgery decreased in weight by 16%, on average. Bariatric surgery is the only treatment for severe obesity for which there is scientific evidence that it reduces mortality", says Lena Carlsson, professor at the Sahlgrenska Academy.

A long-term follow up for between 5 and 18 years of the patients who had undergone surgery showed that mortality among these patients was 29% lower than it was among the other patients.

"The mechanisms behind the lower mortality are not clear. It seems that the reduction in risk depends less upon the actual loss of weight itself than on the fact that the patients have undergone surgery against obesity. This observation opens new possibilities for discovering previously unknown mechanisms behind the increase in risk associated with obesity, and thus opens the possibility of developing new treatments", says Lars Sjöström.

The researchers also considered the effects of many biochemical and other variables in the analysis, including smoking, stress and previous medical history.

Elin Lindström Claessen | alfa
Further information:

More articles from Health and Medicine:

nachricht NIH scientists describe potential antibody treatment for multidrug-resistant K. pneumoniae
14.03.2018 | NIH/National Institute of Allergy and Infectious Diseases

nachricht Researchers identify key step in viral replication
13.03.2018 | University of Pittsburgh Schools of the Health Sciences

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: Locomotion control with photopigments

Researchers from Göttingen University discover additional function of opsins

Animal photoreceptors capture light with photopigments. Researchers from the University of Göttingen have now discovered that these photopigments fulfill an...

Im Focus: Surveying the Arctic: Tracking down carbon particles

Researchers embark on aerial campaign over Northeast Greenland

On 15 March, the AWI research aeroplane Polar 5 will depart for Greenland. Concentrating on the furthest northeast region of the island, an international team...

Im Focus: Unique Insights into the Antarctic Ice Shelf System

Data collected on ocean-ice interactions in the little-researched regions of the far south

The world’s second-largest ice shelf was the destination for a Polarstern expedition that ended in Punta Arenas, Chile on 14th March 2018. Oceanographers from...

Im Focus: ILA 2018: Laser alternative to hexavalent chromium coating

At the 2018 ILA Berlin Air Show from April 25–29, the Fraunhofer Institute for Laser Technology ILT is showcasing extreme high-speed Laser Material Deposition (EHLA): A video documents how for metal components that are highly loaded, EHLA has already proved itself as an alternative to hard chrome plating, which is now allowed only under special conditions.

When the EU restricted the use of hexavalent chromium compounds to special applications requiring authorization, the move prompted a rethink in the surface...

Im Focus: Radar for navigation support from autonomous flying drones

At the ILA Berlin, hall 4, booth 202, Fraunhofer FHR will present two radar sensors for navigation support of drones. The sensors are valuable components in the implementation of autonomous flying drones: they function as obstacle detectors to prevent collisions. Radar sensors also operate reliably in restricted visibility, e.g. in foggy or dusty conditions. Due to their ability to measure distances with high precision, the radar sensors can also be used as altimeters when other sources of information such as barometers or GPS are not available or cannot operate optimally.

Drones play an increasingly important role in the area of logistics and services. Well-known logistic companies place great hope in these compact, aerial...

All Focus news of the innovation-report >>>



Industry & Economy
Event News

Ultrafast Wireless and Chip Design at the DATE Conference in Dresden

16.03.2018 | Event News

International Tinnitus Conference of the Tinnitus Research Initiative in Regensburg

13.03.2018 | Event News

International Virtual Reality Conference “IEEE VR 2018” comes to Reutlingen, Germany

08.03.2018 | Event News

Latest News

Wandering greenhouse gas

16.03.2018 | Earth Sciences

'Frequency combs' ID chemicals within the mid-infrared spectral region

16.03.2018 | Physics and Astronomy

Biologists unravel another mystery of what makes DNA go 'loopy'

16.03.2018 | Life Sciences

Science & Research
Overview of more VideoLinks >>>