کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8131054 | 1523232 | 2018 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
20-MHz Ultrasound for Measurements of Flow-Mediated Dilation and Shear Rate in the Radial Artery
ترجمه فارسی عنوان
سونوگرافی 20 مگاهرتز برای اندازه گیری انعطاف پذیری جریان و نرخ برشی در شعاع شعاعی
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
وریدوالیزاسیون متمرکز بر جریان، شریان شعاعی، نرخ برش، فشارخون واکنشی اندوتلیوم، داپلر امپدانس، سونوگرافی،
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
آکوستیک و فرا صوت
چکیده انگلیسی
A high-frequency scanning system consisting of a 20-MHz linear array transducer combined with a 20-MHz pulsed Doppler probe was introduced to evaluate the degree of radial artery flow-mediated dilation (FMD [%]) in two groups of patients after 5âmin of controlled forearm ischemia followed by reactive hyperemia. In group I, comprising 27 healthy volunteers, FMD (meanâ±âstandard deviation) was 15.26â±â4.90% (95% confidence interval [CI]: 13.32%-17.20%); in group II, comprising 17 patients with chronic coronary artery disease, FMD was significantly less at 4.53â±â4.11% (95% CI: 2.42%-6.64%). Specifically, the ratio FMD/SR (meanâ±âstandard deviation), was equal to 5.36âÃâ10â4â±â4.64âÃâ10â4 (95% CI: 3.54âÃâ10â4 to 7.18âÃâ10â4) in group I and 1.38âÃâ10â4â±â0.89âÃâ10â4 (95% CI: 0.70âÃâ10â4 to 2.06âÃâ10â4) in group II. Statistically significant differences between the two groups were confirmed by a Wilcoxon-Mann-Whitney test for both FMD and FMD/SR (pâ<0.01). Areas under receiver operating characteristic curves for FMD and FMD/SR were greater than 0.9. The results confirm the usefulness of the proposed measurements of radial artery FMD and SR in differentiation of normal patients from those with chronic coronary artery disease.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ultrasound in Medicine & Biology - Volume 44, Issue 6, June 2018, Pages 1187-1197
Journal: Ultrasound in Medicine & Biology - Volume 44, Issue 6, June 2018, Pages 1187-1197
نویسندگان
Andrzej Nowicki, Zbigniew Trawinski, Barbara Gambin, Wojciech Secomski, MichaÅ Szubielski, Marzena Parol, Robert Olszewski,