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- W2353344419 abstract "Objective Analysing and evaluating the relativity of middle cerebral artery (MCA) wall calcification on CT image and cerebral hemodynamics using transcranial Doppler (TCD). Methods A total of 55 patients (110 vessels) were enrolled in the study underwent spiral 64 row CT scanning and the images were reconstructed by 1 mm. According to the calcification analysis software, vascular lesions were divided into calcification group (Ca GP, 23 vascular branches) and non-calcification group (NCa GP, 87 vascular branches). The incidence of calcification and calcification score (CaS) in MCA was calculated. The peak and diastolic velocities (Vp,Vd) and pulsatility index (PI) in MCA were evaluated by means of TCD one week after CT scanning. The incidence of vascular stenosis was recorded. Results (1) There were significant differences in Vp and Vd in Ca GP and NCa GP, ei, 114.4±43.3 cm/s, 42.6±22.7 cm/s vs 94.1±14.5 cm/s,35.4±8.7 cm/s(P=0.001, P=0.026)respectively. Levene’s Test revealed no significant difference in PI between the two groups. It was 1.12±0.24 vs 1.08±0.22 (P=0.535). (2) The value of Vp was increased with higher of CaS in MCA (r=0.422,P=0.025). No correlation was between CaS and PI value (r=0.045, P=0.820).(3) The MCA stenoses were found much more in Ca GP, 26.1% (6/23 vessels) than 3.4% (3/87 vessels )in NCa GP. Conclusions TCD can validly estimate the correlation between the MCA calcification on CT and the changes of cerebral hemodynamics." @default.
- W2353344419 created "2016-06-24" @default.
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- W2353344419 date "2006-01-01" @default.
- W2353344419 modified "2023-09-28" @default.
- W2353344419 title "Correlation between middle cerebral artery calcification and cerebral hemodynamics" @default.
- W2353344419 hasPublicationYear "2006" @default.
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