کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1761465 | 1019649 | 2012 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Changes in Carotid Plaque Echogenicity with Time Since the Stroke Onset: An Early Marker of Plaque Remodeling?
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
آکوستیک و فرا صوت
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چکیده انگلیسی
Carotid plaques undergo histologic changes early after an ischemic stroke. However, the evolution of carotid plaques echolucency after a recent brain ischemia is not well known. A prospective observational study that included consecutive stroke patients and asymptomatic individuals with plaques showing â¥50% stenosis on duplex ultrasound was conducted. Plaque echogenicity was measured with the standardized gray-scale median (GSM) and compared with respect to symptoms presence and time from stroke onset. One hundred twenty-six carotid plaques in 124 patients were studied and four groups of plaques were analyzed: (1) plaques seen within 24 h of stroke onset (32); (2) between 1-7 days (50); (3) more than 7 days after stroke onset (22) and; (4) plaques without associated symptoms (22). Plaques of group 1 had less echogenicity than those of groups 2-4: median GSM (interquartile range) 14 (16), 19.5 (19), 22.5 (21), 26.5 (16) respectively (p = 0.001). In conclusion, carotid plaque echogenicity is increased with time from stroke onset and could be an early marker of plaque remodeling.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ultrasound in Medicine & Biology - Volume 38, Issue 2, February 2012, Pages 231-237
Journal: Ultrasound in Medicine & Biology - Volume 38, Issue 2, February 2012, Pages 231-237
نویسندگان
Patricia MartÃnez-Sánchez, Jessica Fernández-DomÃnguez, Gerardo Ruiz-Ares, Blanca Fuentes, Andrei V. Alexandrov, Exuperio DÃez-Tejedor,