OBJECTIVES: Our goal was to validate an educational 90-min minicourse in lower-irradiating cardiac invasive techniques. BACKGROUND: Despite comprehensive radiation safety programs, patient radiation exposure in invasive cardiology remains considerable. METHODS: Before and at a median period of 3.7 months after the minicourse at 32 German cardiac centers, 177 interventionalists consistently documented radiation parameters for 10 coronary angiographies: dose area product (DAP), radiographic and fluoroscopic fractions, fluoroscopy time, and number of radiographic frames and runs. RESULTS: A total of 154 cardiologists attended the minicourse and achieved significant (p < 0.001) decrease in patients' median overall DAP (-48.4%), from baseline 26.5 to 13.7 Gy × cm(2). They reduced fluoroscopy times (-20.8%), radiographic runs (-9.1%), frames/run (-18.6%) and frames (-29.6%), and both radiographic DAP/frame (-27.4%) and fluoroscopic DAP/s (-39.3%), which indicate improved collimation, reduced-irradiation angulations, or adequate image quality. Dose-related parameters for the remaining 23 invited cardiologists unable to attend the workshop did not change significantly in univariate comparison. Multilevel analysis (p < 0.001) confirmed the efficacy of the minicourse itself (-14.7 Gy × cm(2)) and revealed higher DAP for increasing body mass index (+1.5 Gy × cm(2) per kg/m(2)), male sex (+5.8 Gy × cm(2)), age (+1.5 Gy × cm(2)/decade), and-owing to different settings during image acquisition-for advanced flat-panel detector systems (+9.0 Gy × cm(2)) versus older, traditional image intensifier systems. CONCLUSIONS: Despite significant required training in radiation safety for all interventional cardiologists, the presented additional 90-min minicourse significantly reduced patient dose.
OBJECTIVES: Our goal was to validate an educational 90-min minicourse in lower-irradiating cardiac invasive techniques. BACKGROUND: Despite comprehensive radiation safety programs, patient radiation exposure in invasive cardiology remains considerable. METHODS: Before and at a median period of 3.7 months after the minicourse at 32 German cardiac centers, 177 interventionalists consistently documented radiation parameters for 10 coronary angiographies: dose area product (DAP), radiographic and fluoroscopic fractions, fluoroscopy time, and number of radiographic frames and runs. RESULTS: A total of 154 cardiologists attended the minicourse and achieved significant (p < 0.001) decrease in patients' median overall DAP (-48.4%), from baseline 26.5 to 13.7 Gy × cm(2). They reduced fluoroscopy times (-20.8%), radiographic runs (-9.1%), frames/run (-18.6%) and frames (-29.6%), and both radiographic DAP/frame (-27.4%) and fluoroscopic DAP/s (-39.3%), which indicate improved collimation, reduced-irradiation angulations, or adequate image quality. Dose-related parameters for the remaining 23 invited cardiologists unable to attend the workshop did not change significantly in univariate comparison. Multilevel analysis (p < 0.001) confirmed the efficacy of the minicourse itself (-14.7 Gy × cm(2)) and revealed higher DAP for increasing body mass index (+1.5 Gy × cm(2) per kg/m(2)), male sex (+5.8 Gy × cm(2)), age (+1.5 Gy × cm(2)/decade), and-owing to different settings during image acquisition-for advanced flat-panel detector systems (+9.0 Gy × cm(2)) versus older, traditional image intensifier systems. CONCLUSIONS: Despite significant required training in radiation safety for all interventional cardiologists, the presented additional 90-min minicourse significantly reduced patient dose.
Authors: E Kuon; S B Felix; K Weitmann; I Büchner; A Hummel; M Dörr; T Reffelmann; A Riad; M C Busch; K Empen Journal: Herz Date: 2014-10-04 Impact factor: 1.443
Authors: Moritz Seiffert; Francisco Ojeda; Kai Müllerleile; Elvin Zengin; Christoph Sinning; Christoph Waldeyer; Edith Lubos; Ulrich Schäfer; Karsten Sydow; Stefan Blankenberg; Dirk Westermann Journal: Clin Res Cardiol Date: 2015-01-22 Impact factor: 5.460
Authors: Min Ku Chon; Kook Jin Chun; Dae Sung Lee; Soo Yong Lee; Jongmin Hwang; Sang Hyun Lee; Ki Won Hwang; Jeong Su Kim; Young Huyn Park; June Hong Kim Journal: Medicine (Baltimore) Date: 2017-07 Impact factor: 1.889