کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2953563 1577502 2006 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Variability in Fluoroscopic X-Ray Exposure in Contemporary Cardiac Catheterization Laboratories
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی کاردیولوژی و پزشکی قلب و عروق
پیش نمایش صفحه اول مقاله
Variability in Fluoroscopic X-Ray Exposure in Contemporary Cardiac Catheterization Laboratories
چکیده انگلیسی

ObjectivesThis study sought to assess fluoroscopic exposure rates in contemporary cardiac catheterization laboratories (CCL).BackgroundIncreasing attention is being focused on X-ray exposure during diagnostic and therapeutic cardiovascular procedures.MethodsWe measured fluoroscopic exposure rates (R/min) in 41 systems using a standardized methodology (National Electrical Manufacturers Association XR21 phantom). Measurements were obtained at 2 different phantom thicknesses to simulate varying patient body habitus.ResultsFluoroscopic exposure rates under medium (median 3.0 R/min, interquartile range 1.4 R/min) and large (median 12.5 R/min, interquartile range 4.8 R/min) habitus conditions showed substantial variation. Fluoroscopic exposure was associated with simulated patient habitus, X-ray system type, vendor, and geographic region. Under medium habitus conditions, only 25% of systems operated within a zone of lower than average exposure rates and satisfactory image quality; this frequency diminished to 7% under large habitus conditions (p < 0.001).ConclusionsThere is substantial variation (4- to 6-fold) in fluoroscopic exposure rates. This variation was not consistently associated with improved image quality. In the absence of a predictable benefit of higher (or lower) than average exposure rates, CCL quality improvement programs must minimize such potentially harmful variability in X-ray exposure.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the American College of Cardiology - Volume 48, Issue 7, 3 October 2006, Pages 1361–1364
نویسندگان
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