期刊
HYPERTENSION
卷 47, 期 3, 页码 345-351出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/01.HYP.0000200702.76436.4b
关键词
population; antihypertensive agents; blood pressure monitoring; compliance; blood pressure; hypertension, arterial
Therapeutic inertia (TI), defined as the providers' failure to increase therapy when treatment goals are unmet, contributes to the high prevalence of uncontrolled hypertension ( >= 140/90 mm Hg), but the quantitative impact is unknown. To address this gap, a retrospective cohort study was conducted on 7253 hypertensives that had >= 4 visits and >= 1 elevated blood pressure ( BP) in 2003. A 1-year TI score was calculated for each patient as the difference between expected and observed medication change rates with higher scores reflecting greater TI. Antihypertensive therapy was increased on 13.1% of visits with uncontrolled BP. Systolic BP decreased in patients in the lowest quintile of the TI score but increased in those in the highest quintile ( - 6.8 +/- 0.5 versus + 1.8 +/- 0.6 mm Hg; P < 0.001). Individuals in the lowest TI quintile were approximate to 33 times more likely to have their BP controlled at the last visit than those in highest quintile ( odds ratio, 32.7; 95% CI, 25.1 to 42.6; P < 0.0001). By multivariable analysis, TI accounted for approximate to 19% of the variance in BP control. If TI scores were decreased approximate to 50%, that is, increasing medication dosages on approximate to 30% of visits, BP control would increase from the observed 45.1% to a projected 65.9% in 1 year. This study confirms the high rate of TI in uncontrolled hypertensive subjects. TI has a major impact on BP control in hypertensive subjects receiving regular care. Reducing TI is critical in attaining the Healthy People 2010 goal of controlling hypertension in 50% of all patients.
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