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An estimated 50,000 women of childbearing age undergo inpatient bariatric surgery each year, and an unknown number have outpatient bariatric procedures, according to a report in the Journal of the American Medical Association.
Unfortunately, data about the surgery's effects on pregnancy, fertility, and contraception are still so limited that researchers are precluded from drawing firm conclusions and clinicians cannot make informed decisions regarding these patients, said Dr. Melinda A. Maggard of the Rand Corp., Santa Monica, Calif., and her associates.
The investigators used data from a national health care sample to assess trends in inpatient bariatric surgeries between 1998 and 2005, the most recent year for which information was available. This sample included data on up to 8 million hospitalizations at approximately 1,000 medical centers.
Outpatient bariatric surgeries were not assessed in this study.
The rate of inpatient bariatric procedures--laparoscopic adjustable gastric banding, vertical-banded gastroplasty, Rouxen-Y gastric bypass, and biliopancreatic diversion/duodenal switch--increased by 800% during this interval, from just more than 12,000 to more than 113,500 cases annually.
From 2003 to 2005, women of childbearing age (ages 18-45) accounted for around half of these surgeries (50,000) annually.
Dr. Maggard and her colleagues also reviewed 75 studies in the literature that compared ob.gyn. data between women who underwent bariatric surgery and those who did not.
Source: HighBeam Research, 50,000 women aged 18-45 have bariatric surgery each year.(OBSTETRICS)