המידע באדיבות מדיקונטקסט
Last Updated: 2001-07-16 15:59:39 EDT (Reuters Health)
By Anthony J. Brown, MD
WESTPORT, CT (Reuters Health) – Contrary to the findings of a few previous studies, people with depression or anxiety are not more likely than others to develop high blood pressure, according to a report published in the July issue of the American Journal of Hypertension.
Dr. Eileen Huh Shinn, from the University of Texas M. D. Anderson Cancer Center in Houston, and colleagues assessed whether depression and anxiety were linked to future hypertension in about 370 adult subjects, 20 to 60 years of age, who were normotensive at baseline. The subjects were followed for 4 years.
"After controlling for age, sex, baseline body mass index, baseline blood pressure level, and family history of hypertension, depression or anxiety was not linked to the development of hypertension," Dr. Shinn told Reuters Health. "We screened out patients who used antihypertensive medications at baseline and we controlled for patients who began antihypertensives during the study period," she added.
"Some really well-known studies have shown that depression contributes to higher mortality rates and higher recurrences of myocardial infarctions in post-MI patients," Dr. Shinn noted. "One of the theories was that depression was tied to hypertension," she explained. However, "the issue is pretty controversial with only about half of the previous studies finding a significant relationship," she said.
"One of the problems with some of the previous studies is that they did not use well-validated measures of depression," Dr. Shinn said. In addition, "some of the studies only followed patients for 12 to 18 months. Also, some of the earlier studies did not control for all of the hypertension risk factors that ours did."
Dr. Shinn believes that "researchers are pretty much wedded to their opinion of whether depression contributes to the development of hypertension." However, she feels that the "jury is still out" and although the current study failed to show a relationship, one may still exist.
Am J Hypertens 2001;14:660-664.
-Westport Newsroom 203 319 2700
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