Cost-Effectiveness of Intensive Versus Standard Blood Pressure Treatment in Older Patients With Hypertension in China,Hypertension

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Cost-Effectiveness of Intensive Versus Standard Blood Pressure Treatment in Older Patients With Hypertension in China
Hypertension ( IF 8.3 ) Pub Date : 2022-09-30 , DOI: 10.1161/hypertensionaha.122.20051
Jiali Fan ₁ , Wanji Zheng ₂ , Wei Liu ₃ , Juan Xu ₂ , Lan Zhou ₂ , Shihe Liu ₄ , Jingjing Bai ₁ , Yue Qi ₅ , Weidong Huang ₂ , Kejun Liu ₆ , Jun Cai ₁

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Background:In the STEP trial (Strategy of Blood Pressure Intervention in older Hypertensive Patients), the risk of cardiovascular events is significantly lower in patients who received intensive systolic blood psressure (BP) treatment than in those who received standard treatment. This study compared the lifetime health benefits and medical costs of intensive BP treatment with those of standard BP treatment.Methods:A microsimulation model included 10 000 hypothetical samples of Chinese adults aged 60 to 80 years old with baseline systolic BP higher than 140 mm Hg. Primary outcome was the incremental cost-effectiveness ratio from a payer’s perspective. Secondary outcome was cardiovascular events, including acute coronary syndrome, stroke, acute decompensated heart failure, atrial fibrillation, and death from cardiovascular causes.Results:The model simulated that cardiovascular events occurred in 36.88% of the patients in the intensive treatment group, as compared to 41.28% of the patients in the standard treatment group over the lifetime horizon. The mean number of quality-adjusted life-years would be 0.16 higher in patients who received intensive treatment than in those who received standard treatment and would cost Chinese yuan 12 614 (International dollars 3018) more per quality-adjusted life-year gained. Most simulation results indicated that intensive treatment would be cost-effective (82%–95% below the willingness-to-pay threshold of Chinese yuan 72 000 [1× the gross domestic product per capita in China in 2020]). Sensitivity analyses showed that these conclusions were robust.Conclusions:In this study, intensive BP treatment prevented cardiovascular events among older patients with hypertension in China and was cost-effective in most scenarios.Registration:URL: https://www.clinicaltrials.gov; Unique identifier: NCT03015311

更新日期：2022-09-30

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