期刊
ATHEROSCLEROSIS
卷 320, 期 -, 页码 24-30出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.atherosclerosis.2021.01.005
关键词
Hypertension; Cardiovascular disease; Medication adherence; Time-dependent confounder; MSM-Cox model
资金
- National Key Research and Development Program of China [2020YFC2003500]
- Shandong Province Major Science and Technology Innovation Project [2018CXGC1210]
- Natural Science Foundation of Shandong Province [ZR2019ZD02]
- Major Science and Technology Projects of Shandong province [2018YFJH0506-2]
Antihypertensive adherence was found to be more strongly associated with the risk of CVD, with low-adherence patients having higher BP burden and fluctuation range than high-adherence patients. Patients with high adherence experienced a 28% greater reduction in BP burden compared to those with low adherence.
Background and aims: Few studies estimated the impact of antihypertensive adherence on cardiovascular diseases (CVD) in a longitudinal cohort with presence of time-dependent confounders. This study aims to assess the association between antihypertensive adherence and CVD using marginal structural Cox model (MSM-Cox) and to characterize blood pressure (BP) trajectories of patients with different adherence. Methods: This longitudinal study included 16,896 hypertensive patients receiving antihypertensive medication. The median follow-up time was 3.5 years (25th to 75th, 1.75-4.75 years). BP and medication adherence were measured four times every year. We used MSM-Cox and Cox model to assess association between antihypertensive adherence and CVD events. The linear mixed-effects model was used to characterize BP trajectories of patients with different adherence, and the area under curves (AUC) was calculated as BP burden. Results: We documented 4735 CVD events, crude incidence of CVD was 80.8 (95% CI, 78.1-83.4) and 112.6 (95% CI, 107.2-118.0) per 1000 person-years for baseline high-adherence and low-adherence, respectively. Compared with high adherence, the adjusted hazard ratio (HR) for association between low adherence with CVD was 1.75 (95%CI, 1.62-1.89) and 1.34 (95%CI, 1.26-1.42) based on the MSM-Cox and the Cox model, respectively. The BP burden and fluctuation range of BP trajectory in low-adherence patients were larger than those of high adherence patients. Patients with high adherence got 28% greater reduction of BP burden than low-adherence patients. Conclusions: Antihypertensive adherence was more strongly associated with the risk of CVD than conventional regression analyses based on a single adherence measurement.
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