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Associations between resting heart rate, hypertension, and stroke: A population-based cross-sectional study.

ABSTRACT: Uncertainty remains regarding the association between resting heart rate (RHR) with hypertension and stroke because of limited and inconsistent data. We assessed the association between RHR, hypertension, and stroke. In this cross-sectional study, 14 677 participants from the China Hypertension Survey study were analyzed. The history of stroke was conducted by questionnaires. RHR was measured by the standardized electronic monitors. Multivariate logistic regression analyses were performed to evaluate the association between RHR, hypertension, and stroke. Moreover, a generalized additive model (GAM) and smooth curve fitting (penalized spline method) were conducted to assess the association between RHR and stroke in different status of hypertension. Overall, each 10 beats per minute (bpm) increase in RHR was associated with an 18% increased prevalence of stroke (P = 0.017). Subjects with RHR > 80 bpm were associated with a higher prevalence of stroke (OR = 1.47; 95% CI, 1.08-2.01) compared with those with RHR ≤ 80 bpm. Similarly, hypertensives had a higher prevalence of stroke than normotensives (OR = 3.76; 95% CI, 2.39-5.92). Hypertensives with RHR > 80 bpm had the highest prevalence of stroke compared with their counterparts (OR = 5.47; 95% CI, 3.13-9.56). The fully adjusted smooth curve fitting presented a linear association between RHR and stroke among participants with hypertension, but almost horizontal association among participants without hypertension. In conclusion, elevated RHR and hypertension were independently and jointly associated with the increased prevalence of stroke. These findings suggested that elevated RHR was associated with increased prevalence of stroke especially among hypertensives.

SUBMITTER: Hu L

PROVIDER: S-EPMC8030446 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundMotor and cognitive impairments are frequently observed following stroke, but are often managed as distinct entities, and there is little evidence regarding how they are related. The aim of this study was to describe the prevalence of concurrent motor and cognitive impairments 3 months after stroke and to examine how motor performance was associated with memory, executive function and global cognition.MethodsThe Norwegian Cognitive Impairment After Stroke (Nor-COAST) study is a prospective multicentre cohort study including patients hospitalized with acute stroke between May 2015 and March 2017. The National Institutes of Health Stroke Scale (NIHSS) was used to measure stroke severity at admission. Level of disability was assessed by the Modified Rankin Scale (mRS). Motor and cognitive functions were assessed 3 months post-stroke using the Montreal Cognitive Assessment (MoCA), Trail Making Test Part B (TMT-B), 10-Word List Recall (10WLR), Short Physical Performance Battery (SPPB), dual-task cost (DTC) and grip strength (Jamar®). Cut-offs were set according to current recommendations. Associations were examined using linear regression with cognitive tests as dependent variables and motor domains as covariates, adjusted for age, sex, education and stroke severity.ResultsOf 567 participants included, 242 (43%) were women, mean (SD) age was 72.2 (11.7) years, 416 (75%) had an NIHSS score???4 and 475 (84%) had an mRS score of ?2. Prevalence of concurrent motor and cognitive impairment ranged from 9.5% for DTC and 10WLR to 22.9% for grip strength and TMT-B. SPPB was associated with MoCA (regression coefficient B?=?0.465, 95%CI [0.352, 0.578]), TMT-B (B?=?-9.494, 95%CI [-?11.726, -?7.925]) and 10WLR (B?=?0.132, 95%CI [0.054, 0.211]). Grip strength was associated with MoCA (B?=?0.075, 95%CI [0.039, 0.112]), TMT-B (B?=?-1.972, 95%CI [-?2.672, -?1.272]) and 10WLR (B?=?0.041, 95%CI [0.016, 0.066]). Higher DTC was associated with more time needed to complete TMT-B (B?=?0.475, 95%CI [0.075, 0.875]) but not with MoCA or 10WLR.ConclusionThree months after suffering mainly minor strokes, 30-40% of participants had motor or cognitive impairments, while 20% had concurrent impairments. Motor performance was associated with memory, executive function and global cognition. The identification of concurrent impairments could be relevant for preventing functional decline.Trial registrationClinicalTrials.gov Identifier: NCT02650531 .

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Associations between resting heart rate, hypertension, and stroke: A population-based cross-sectional study.

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