Background and Purpose:In the general population, Black adults are less likely than White adults to have controlled blood pressure (BP), and when not controlled, they are at greater risk for stroke compared with White adults. High BP is a major modifiable risk factor for recurrent stroke, but few studies have examined racial differences in BP control among stroke survivors.Methods:We used data from the REGARDS study (Reasons for Geographic and Racial Differences in Stroke) to examine disparities in BP control between Black and White adults, with and without a history of stroke. We studied participants taking antihypertensive medication who did and did not experience an adjudicated stroke (n=306 and 7693 participants, respectively) between baseline (2003–2007) and a second study visit (2013–2016). BP control at the second study visit was defined as systolic BP <130 mm Hg and diastolic BP <80 mm Hg except for low-risk adults ≥65 years of age (ie, those without diabetes, chronic kidney disease, history of cardiovascular disease, and with a 10-year predicted atherosclerotic cardiovascular disease risk <10%) for whom BP control was defined as systolic BP <130 mm Hg.Results:Among participants with a history of stroke, 50.3% of White compared with 39.3% of Black participants had controlled BP. Among participants without a history of stroke, 56.0% of White compared with 50.2% of Black participants had controlled BP. After multivariable adjustment, there was a tendency for Black participants to be less likely than White participants to have controlled BP (prevalence ratio, 0.77 [95% CI, 0.59–1.02] for those with a history of stroke and 0.92 [95% CI, 0.88–0.97] for those without a history of stroke).Conclusions:There was a lower proportion of controlled BP among Black compared with White adults with or without stroke, with no statistically significant differences after multivariable adjustment.

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中风后血压控制的种族差异：REGARDS 研究

背景和目的：在一般人群中，黑人成年人控制血压 (BP) 的可能性低于白人成年人，如果不受控制，与白人成年人相比，他们患中风的风险更高。高血压是中风复发的主要可改变危险因素，但很少有研究检查中风幸存者在血压控制方面的种族差异。方法：我们使用 REGARDS 研究（中风的地理和种族差异原因）的数据来检查血压差异黑人和白人成年人之间的控制，有和没有中风史。我们研究了在基线（2003-2007 年）和第二次研究访视（2013-2016 年）之间发生和未发生经裁定卒中的服用抗高血压药物的参与者（分别为 n=306 和 7693 名参与者）。第二次研究访问时的血压控制定义为收缩压 <130 毫米汞柱和舒张压 <80 毫米汞柱，但年龄≥65 岁的低风险成人除外（即没有糖尿病、慢性肾病、心血管疾病史、并且 10 年预测动脉粥样硬化性心血管疾病风险 <10%），血压控制定义为收缩压 <130 毫米汞柱。结果：在有中风史的参与者中，50.3% 的白人与 39.3% 的黑人参与者控制了血压。在没有中风史的参与者中，56.0% 的白人和 50.2% 的黑人参与者控制了血压。多变量调整后，黑人参与者比白人参与者更不可能控制血压（患病率，0.77 [95% CI，0.59–1.