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Height and risk of incident intraparenchymal hemorrhage: Atherosclerosis Risk in Communities and Cardiovascular Health study cohorts.

TitleHeight and risk of incident intraparenchymal hemorrhage: Atherosclerosis Risk in Communities and Cardiovascular Health study cohorts.
Publication TypeJournal Article
Year of Publication2013
AuthorsSmith LG, Yatsuya H, Psaty BM, Longstreth WT
Secondary AuthorsFolsom AR
JournalJ Stroke Cerebrovasc Dis
Volume22
Issue4
Pagination323-8
Date Published2013 May
ISSN1532-8511
KeywordsAfrican Americans, Aged, Body Height, Cerebral Hemorrhage, European Continental Ancestry Group, Female, Humans, Incidence, Male, Middle Aged, Multivariate Analysis, Proportional Hazards Models, Prospective Studies, Risk Assessment, Risk Factors, Sex Factors, Time Factors, United States
Abstract

BACKGROUND: Height is inversely associated with incident coronary disease and total stroke, but few studies have examined the association between height and intraparenchymal hemorrhage (IPH). We hypothesized that height would be inversely associated with incident IPH in the combined cohorts of the Atherosclerosis Risk in Communities Study and the Cardiovascular Health Study.

METHODS: Data on Caucasian and African American participants were used to estimate the association of height at baseline with incident IPH verified by clinician review of medical records and imaging reports. Sex-specific Cox proportional hazards regression models were used to calculate hazard ratios.

RESULTS: A total of 20,983 participants initially free of stroke (11,788 women and 9195 men) were followed for an average of 15.9 years (standard deviation [SD] 5.1 years). Incident IPH occurred in 115 women and 73 men. Sex, but not age, race, study, or blood pressure, modified the association (P = .03). After adjustment for risk factors (age, systolic blood pressure, triglycerides, low-density lipoprotein cholesterol, fibrinogen, and race), among women, height was significantly inversely associated with incident IPH (hazard ratio [HR] per SD [6.3 cm] was 0.81; 95% confidence interval [CI] 0.66-0.99; P = .04). The HR for tertile 3 vs 1 in women was 0.63 (95% CI 0.37-1.08). Among men, height was not linearly associated with incident IPH (HR per SD [6.7 cm] was 1.09; 95% CI 0.84-1.40; P = .52).

CONCLUSIONS: This large prospective study provides evidence that shorter height may be a risk factor for incident IPH in women.

DOI10.1016/j.jstrokecerebrovasdis.2011.09.004
Alternate JournalJ Stroke Cerebrovasc Dis
PubMed ID22177930
PubMed Central IDPMC3310942
Grant ListHHSN268201100012C / HL / NHLBI NIH HHS / United States
HHSN268201100009I / HL / NHLBI NIH HHS / United States
HHSN268201100010C / HL / NHLBI NIH HHS / United States
HHSN268201100008C / HL / NHLBI NIH HHS / United States
U01 HL080295 / HL / NHLBI NIH HHS / United States
HHSN268201100005G / HL / NHLBI NIH HHS / United States
HHSN268201100008I / HL / NHLBI NIH HHS / United States
HHSN268201100005C / / PHS HHS / United States
HHSN268201100007C / HL / NHLBI NIH HHS / United States
N01 HC015103 / HC / NHLBI NIH HHS / United States
HHSN268201100011I / HL / NHLBI NIH HHS / United States
HHSN268201100011C / HL / NHLBI NIH HHS / United States
N01HC55222 / HL / NHLBI NIH HHS / United States
N01-HC-85086 / HC / NHLBI NIH HHS / United States
HHSN268201100010C / / PHS HHS / United States
N01HC85086 / HL / NHLBI NIH HHS / United States
N01HC-55222 / HC / NHLBI NIH HHS / United States
N01 HC055019 / HC / NHLBI NIH HHS / United States
HHSN268201100006C / HL / NHLBI NIH HHS / United States
HHSN268201100008C / / PHS HHS / United States
HHSN268201100012C / / PHS HHS / United States
HHSN268201100005I / HL / NHLBI NIH HHS / United States
N01-HC-75150 / HC / NHLBI NIH HHS / United States
HHSN268201100007C / / PHS HHS / United States
N01HC75150 / HL / NHLBI NIH HHS / United States
HHSN268201100009C / HL / NHLBI NIH HHS / United States
HHSN268201100011C / / PHS HHS / United States
HHSN268201100005C / HL / NHLBI NIH HHS / United States
HHSN268201100007I / HL / NHLBI NIH HHS / United States
N01-HC-85079 / HC / NHLBI NIH HHS / United States
N01HC85079 / HL / NHLBI NIH HHS / United States
HHSN268201100006C / / PHS HHS / United States
N01 HC045133 / HC / NHLBI NIH HHS / United States
N01 HC035129 / HC / NHLBI NIH HHS / United States