Blood Pressure Control in the DIAbetes and LifEstyle Cohort Twente (DIALECT): The Role of Patient Adherence and Physician’s Follow-Up Action

Pharmacoepidemiology(2023)

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摘要
We studied the role of adherence to antihypertensive drug therapy (AHT) in blood pressure (BP) control in a type 2 diabetes (T2D) population treated in secondary care in the DIAbetes and LifEstyle Cohort Twente-1 (DIALECT-1). In addition, intensification of AHT was assessed. Adherence was determined by using the medication possession ratio (MPR), calculated with pharmacy dispensing data for a period of two years following baseline. Adherence was defined as an MPR ≥ 80%. The proportion of adherent patients was compared between patients who had BP-on target (BP-OT) and BP-not on target (BP-NOT). Of the 385 patients included, 56% achieved their BP target. The proportion of adherent patients did not differ between BP-OT and BP-NOT (96% vs. 96%; p = 0.91). Intensification of AHT, including ‘increase in dosage’ and ‘start of a new drug’, was assessed in the two years following baseline. In only 37% of patients with uncontrolled BP during follow-up was AHT intensified. To conclude, adherence to AHT was high and there does not seem to be a relationship between adherence and BP control. There is an opportunity to improve AHT in patients who do not reach their BP target.
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关键词
diabetes mellitus type 2,antihypertensive drugs,medication adherence,medication possession ratio,blood pressure targets,clinical inertia
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