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• W2054248812 abstract "Background and Purpose— We explored the association between pulsatility index (PI) as derived from transcranial Doppler ultrasound with various measures of small vessel disease in the community. Methods— We performed transcranial Doppler and magnetic resonance imaging in 205 consecutive community-dwelling elderly subjects who were participants of the Shanghai Aging Study. We investigated the association between middle cerebral artery (MCA) PI with measures of white matter lesions (WML), lacunes, and microbleeds. Results— Multiple logistic regression found that MCA PI was associated with severe WML (odds ratio, 1.33 per 0.1 increase in PI; 95% confidence interval, 1.04–1.70; P =0.02). At optimal MCA PI cut-off, the area under curve, positive predictive value, and negative predictive value were 0.70 (95% confidence interval, 0.60–0.80), 34.9%, and 85.6%, respectively, for detection of severe WML. No association was found between MCA PI and measures of lacunes or microbleeds. Conclusions— PI correlates with WML severity. With a high negative predictive value, the chance of having severe WML with a normal PI is low. Transcranial Doppler may guide selective magnetic resonance imaging scanning for the detection of WML in the community." @default.
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• W2054248812 date "2012-10-01" @default.
• W2054248812 modified "2023-10-16" @default.
• W2054248812 title "Transcranial Doppler Ultrasound for Screening Cerebral Small Vessel Disease" @default.
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• W2054248812 doi "https://doi.org/10.1161/strokeaha.112.665711" @default.
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