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CardiologyAge Differences in Treatment and Control of Hypertension

Age Differences in Treatment and Control of Hypertension

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Antihypertensive prescription and hypertension control in US office-based practices by age group, National Ambulatory Medical Care Survey 2003-2010. Data are presented as weighted means and 95% confidence intervals. For all curves, P ā‰¤.05 for change over time between 2003-2004 and 2009-2010. JNC = Joint National Committee.

 

Antihypertensive medication prescribing has increased significantly in recent years. This has been accompanied by improved hypertension control.

Background

Evidence-based and age-appropriate antihypertensive pharmacotherapy in outpatient settings is essential for optimal treatment outcomes. Recent guidelines, although controversial, recommended different blood pressure goals using age cutoff of 60 years. We describe recent age-specific national trends in antihypertensive prescribing patterns and blood pressure control in US office-based practices.

Methods

We analyzed all hypertension-related visits to physician offices from the latest available National Ambulatory Medical Care Survey (2003-2010). We identified trends of antihypertensive prescribing overall and by class, trends of hypertension control, age differences in antihypertensive prescribing patterns and hypertension control, predicted probabilities of hypertension control in subgroups, and correlates of hypertension control.

Results

There were 16,729 physician office visits included in the analysis. Overall, the prescription of antihypertensive medication increased from 69.2% in 2003-2004 to 78.8% in 2009-2010 (PtrendĀ = .001), and the increased trend was consistent in both age groups (<60 and ā‰„60 years). This was accompanied by an improvement in the overall hypertension control (from 39.1% to 48.8%,Ā PtrendĀ <.001). Antihypertensive prescribing patterns differ significantly between the 2 age groups. The proportions of visits with Ī²-blocker (from 25.4% to 34.7%,Ā Ptrend<.001) and angiotensin receptor blocker prescriptions (from 17.0% to 22.1%,Ā PtrendĀ = .042) increased for older patients. The increased trend of Ī²-blocker use persisted after excluding patients with compelling indications. Among treated patients, lower odds of blood pressure control were associated with African American race, presence of comorbidities, younger age, and insufficient insurance coverage.

Conclusions

In office-based practices, antihypertensive medication prescribing among US adults with hypertension increased significantly in recent years, which was accompanied by improvement in hypertension control. The prescribing patterns differed among younger and older patients, but continuous use of Ī²-blockers without other compelling indications raises concerns.

 

To read this article in its entirety and to view additional images please visit ourĀ website.

-Anna Gu, MD, PhD, Yu Yue, PhD, Edgar Argulian, MD, MPH

This article originally appeared in the January 2016Ā issue ofĀ The American Journal of Medicine.

Ā 

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