Stage 2 hypertension: predictors of failure to achieve blood pressure control and the impact of adding one additional antihypertensive class

Pharmacoepidemiology and Drug Safety
Christopher G RowanSteven M Brunelli

Abstract

Controlling blood pressure (BP) for patients with stage 2 hypertension remains challenging. This research aimed to: (i) identify predictors of failure to achieve BP control, (ii) determine the association of adding one additional antihypertensive class with achieving BP control, and (iii) describe the prescribed antihypertensive regimens. Electronic medical record data from 25 multi-specialty medical groups in the USA were used. The study cohort included patients with stage 2 hypertension in 2012. BP control rates were determined at 6 months from the date of the stage 2 BP. Using multivariable logistic regression and validation by Monte Carlo simulation, we determined independent baseline predictors of not achieving BP control (<140/90). Included were 107 903 patients. Baseline predictors of failure to achieve BP control included the following: a prior stage 2 BP, systolic BP ≥ 165, Black race, male sex, income ≤ $35 000, body mass index ≥ 30, age ≥ 65 years, and no office visits. Increasing from single-class to dual-class antihypertensive therapy was associated with a 42% increased odds of achieving BP control (odds ratio 1.42; 95% CI 1.22, 1.64); however, this effect was attenuated as the number of baseline antihypertensive c...Continue Reading

References

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Aug 12, 2014·Journal of the American College of Cardiology·John J SimSteven J Jacobsen
Aug 30, 2014·Pharmacoepidemiology and Drug Safety·Christopher G RowanJeffrey A Spaeder

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