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Researchers have found “a substantial excess” in deaths attributable to suicide and to coronary heart disease among patients who have undergone bariatric surgery, according to a report.
This descriptive study was not designed to ascertain the basis for this excess mortality, but the investigators postulated that the reasons may be connected in part to obesity itself and its attendant comorbidities, which preceded the surgery. Continued obesity, even after substantial weight loss, as well as weight regain, also probably play a role, according to Dr. Bennet I. Omalu of the University of Pittsburgh and his associates.
The researchers reviewed the records of 16,683 bariatric surgeries performed in Pennsylvania from 1995 through 2004. There were 440 deaths, for an overall mortality of 2.6%. Age- and sex-specific death rates were substantially higher than those for the general population, even after procedure-related deaths were excluded from the analysis.
Coronary heart disease was the leading cause of death, accounting for about 20% of deaths that occurred 30 days or more after the procedure. “In the group aged 45–54 years, the CHD mortality rate for women after bariatric surgery was 15.2/10,000 person-years, compared with the rate of similarly aged women in Pennsylvania of 5.46/10, 000,” Dr. Omalu and his associates wrote (Arch. Surg. 2007;142:923–8).
There were 16 suicides (4%) and 14 drug overdoses (3%), some of which may have been misclassified as accidents rather than suicides. Most occurred more than a year after the surgery, “suggesting that careful follow-up, especially the need to recognize and treat depression, should be provided,” the authors noted.
Researchers have found “a substantial excess” in deaths attributable to suicide and to coronary heart disease among patients who have undergone bariatric surgery, according to a report.
This descriptive study was not designed to ascertain the basis for this excess mortality, but the investigators postulated that the reasons may be connected in part to obesity itself and its attendant comorbidities, which preceded the surgery. Continued obesity, even after substantial weight loss, as well as weight regain, also probably play a role, according to Dr. Bennet I. Omalu of the University of Pittsburgh and his associates.
The researchers reviewed the records of 16,683 bariatric surgeries performed in Pennsylvania from 1995 through 2004. There were 440 deaths, for an overall mortality of 2.6%. Age- and sex-specific death rates were substantially higher than those for the general population, even after procedure-related deaths were excluded from the analysis.
Coronary heart disease was the leading cause of death, accounting for about 20% of deaths that occurred 30 days or more after the procedure. “In the group aged 45–54 years, the CHD mortality rate for women after bariatric surgery was 15.2/10,000 person-years, compared with the rate of similarly aged women in Pennsylvania of 5.46/10, 000,” Dr. Omalu and his associates wrote (Arch. Surg. 2007;142:923–8).
There were 16 suicides (4%) and 14 drug overdoses (3%), some of which may have been misclassified as accidents rather than suicides. Most occurred more than a year after the surgery, “suggesting that careful follow-up, especially the need to recognize and treat depression, should be provided,” the authors noted.
Researchers have found “a substantial excess” in deaths attributable to suicide and to coronary heart disease among patients who have undergone bariatric surgery, according to a report.
This descriptive study was not designed to ascertain the basis for this excess mortality, but the investigators postulated that the reasons may be connected in part to obesity itself and its attendant comorbidities, which preceded the surgery. Continued obesity, even after substantial weight loss, as well as weight regain, also probably play a role, according to Dr. Bennet I. Omalu of the University of Pittsburgh and his associates.
The researchers reviewed the records of 16,683 bariatric surgeries performed in Pennsylvania from 1995 through 2004. There were 440 deaths, for an overall mortality of 2.6%. Age- and sex-specific death rates were substantially higher than those for the general population, even after procedure-related deaths were excluded from the analysis.
Coronary heart disease was the leading cause of death, accounting for about 20% of deaths that occurred 30 days or more after the procedure. “In the group aged 45–54 years, the CHD mortality rate for women after bariatric surgery was 15.2/10,000 person-years, compared with the rate of similarly aged women in Pennsylvania of 5.46/10, 000,” Dr. Omalu and his associates wrote (Arch. Surg. 2007;142:923–8).
There were 16 suicides (4%) and 14 drug overdoses (3%), some of which may have been misclassified as accidents rather than suicides. Most occurred more than a year after the surgery, “suggesting that careful follow-up, especially the need to recognize and treat depression, should be provided,” the authors noted.