Elevations in heart rate are genera...

Elevations in heart rate are generally higher in women than in men with little risk being associated with this difference. However, older women are more likely to have a disability or chronic disease that affects their daily function. Among this specific population, heart rate may have a stronger association with poor issues and may be a simple indicator of mortality, regardless of the carriage of heart disease. Chang and associates evaluated the association of elevated heart rate with three-year mortality in women living with moderate to plain disability.

Women listed in the Women's Health and Aging inquiry I conducted by the John Hopkins Medical Institutions made up the subject of attention population. The study population included 1002 disabled women who were at least 65 years of age living in Maryland, who reported difficulties in at least sum of two units domains of physical disability, and who scored 18 or better in succession the Mini-Mental State Examination. Functional and physical status were evaluated in all participants. Heart rate was determined at electrocardiography after a five- to seven-minute repose period.

Adequate three-year mortality and heart rate data were available for 942 women The mean heart rate in the total population, including those with and those without heart disease, was 71 to 72 beats by minute. A heart rate of 90 beats by minute or greater was associated with younger age, lower summary performance score, and lower forced expiratory turn in one second.

across the three years of follow-up the survival rate was lower among women with heart rates of 90 beats by means of minute or greater, even when participants receiving beta blocker were excluded; however, this difference did not quite reach statistical significance. Among women with no evidence of heart disease, a heart rate of 90 beats by minute or greater proffered a double increased risk of mortality through the whole extent of the three-year period compared with the dispose having heart rates of 60 to 89 beats through minute, even after adjusting for activity and cardiovascular risk factors.

The authors finish that an elevated heart rate in a disabled older woman is associated with increased mortality risk. The latter may be caused by means of increased mechanical stress on the arterial wall and heart or through autonomic nervous system influences onward the heart resulting in atherogenesis. Women with elevated heart rates might benefit from more intensive clinical evaluation.

RICHARD SADOVSKY, MD Chang M et al. Relation of heart rate at peacefulness and mortality in the Women's Health and Aging application of mind Am J Cardiol December 1 2003;92:1294-9

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