Death rates are quickly decreased after anti-obesity or “bariatric” surgery in Sweden, statistics show.

“It has been shown that surgery, to reduce obesity, can be performed with reduced mortality level on a national level.” according to lead researcher Dr. Richard Marsk from Danderyd Hospital, Stockholm.

The team assessed causes of death after weight loss surgery in Sweden. They used statistics between 1980 and 2005 about 14,768 bariatric procedures conducted.

In beginning post-surgery death rate ranged 0.5 percent annually. The death rate was higher in men then women and higher for patients above age 50 years.

Death rate was two times high for men (100 per 10,000 persons per year) than for women (50 per 10,000 persons per year) during the study period.

“I believe that the increased mortality seen among men is due to increased preoperative co-morbid disease and also later referral to surgery, such that men to a greater extent have established cardiovascular disease at the time of surgery,” Marsk said.

“Further studies are needed to explain this in full,” he further said.
Increasing death rate did not differ between patients having major surgery or “revisional” surgery, the researchers note.

During the first year after weight loss surgery were non-heart related, while the most common causes of late death were heart attack and cancer the investigators report.

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