期刊
FRONTIERS IN NEUROLOGY
卷 13, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fneur.2022.908260
关键词
cerebral small vessel disease; white matter hyperintensities; lacunes; cerebral microbleeds; enlarged perivascular spaces; ambulatory blood pressure monitoring; nighttime blood pressure
资金
- National Institute on Aging National Institutes of Health [R01AG036469, AG056609, 1 R03AG054186-01]
- Internal Funds KU Leuven [STG-18-00379]
In the context of cerebral small vessel diseases (CSVD), the study found that 24-hour and nighttime systolic blood pressure measurements had stronger associations, with nighttime systolic blood pressure showing the strongest correlation. Controlling ambulatory blood pressure levels may offer additional benefits in preventing CSVD.
BackgroundTwenty-four-hour and nighttime blood pressure (BP) levels are more strongly associated with cardiovascular risk than office or daytime BP measurements. However, it remains undocumented which of the office and ambulatory BP measurements have the strongest association and predictive information in relation to the presence of type I, or arteriolosclerosis type, cerebral small vessel diseases (CSVD). MethodsA subset of 429 participants from the Maracaibo Aging Study [aged >= 40 years (women, 73.7%; mean age, 59.3 years)] underwent baseline brain magnetic resonance imaging (MRI) to visualize CSVD, which included log-transformed white matter hyperintensities (log-WMH) volume and the presence (yes/no) of lacunes, cerebral microbleeds (CMB), or enlarged perivascular spaces (EPVS). Linear and logistic regression models were applied to examine the association between CSVD and each +10-mmHg increment in the office and ambulatory systolic BP measurements. Improvement in the fit of nested logistic models was assessed by the log-likelihood ratio and the generalized R-2 statistic. ResultsOffice and ambulatory systolic BP measurements were related to log-WMH (beta-correlation coefficients >= 0.08; P < 0.001). Lacunes and CMB were only associated with ambulatory systolic BP measurements (odds ratios [OR] ranged from 1.31 [95% confidence interval, 1.10-1.55] to 1.46 [1.17-1.84], P <= 0.003). Accounted for daytime systolic BP, both the 24-h (beta-correlation, 0.170) and nighttime (beta-correlation, 0.038) systolic BP measurements remained related to log-WMH. When accounted for 24-h or daytime systolic BP levels, the nighttime systolic BP retained the significant association with lacunes (ORs, 1.05-1.06; 95% CIs, >= 1.01 to <= 1.13), whereas the 24-h and daytime systolic BP levels were not associated with lacunes after adjustments for nighttime systolic BP (ORs, <= 0.88; 95% CI, >= 0.77 to <= 1.14). On top of covariables and office systolic BP, ambulatory systolic BP measurements significantly improved model performance (1.05% >= R-2 <= 3.82%). Compared to 24-h and daytime systolic BP, nighttime systolic BP had the strongest improvement in the model performance; for WMH (1.46 vs. 1.05%) and lacunes (3.06 vs. <= 2.05%). ConclusionsTwenty-four-hour and nighttime systolic BP were the more robust BP measurements associated with CSVD, but the nighttime systolic BP level had the strongest association. Controlling ambulatory BP levels might provide additional improvement in the prevention of CSVD.
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