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ECG non-gated multi-detector computed tomography protocol prior to catheter ablation of atrial fibrillation provides sufficient data quality with lower radiation exposure compared to ECG-gated protocol - results of a prospective, randomized and blinded study

Z. Tudos, T. Skala, M. Homola, O. Moravec, M. Taborsky, M. Kocher, M. Cerna, F. Ctvrtlik, F. Odstrcil, K. Langova, O. Klementova

. 2018 ; 162 (4) : 310-318. [pub] 20180828

Jazyk angličtina Země Česko

Typ dokumentu práce podpořená grantem, časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/bmc19011728

BACKGROUND: The role of ECG-gating in left atrium (LA) computed tomography (MDCT) imaging is not precisely defined. METHODS AND RESULTS: 62 patients were randomized according to ECG gating with prospective evaluation of image quality, Volume CT Dose Index, Dose Length Product, Effective Dose and registration error between anatomical map and MDCT. We found significant difference in all radiation variables, but not in visual quality, registration error, CA duration, CA fluoroscopy time and CA fluoroscopy dose. CONCLUSION: Helical non-gated MDCT achieved a radiation dose more than four times lower with comparable image quality and course of ablation compared to ECG-gated protocol.

Citace poskytuje Crossref.org

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$a BACKGROUND: The role of ECG-gating in left atrium (LA) computed tomography (MDCT) imaging is not precisely defined. METHODS AND RESULTS: 62 patients were randomized according to ECG gating with prospective evaluation of image quality, Volume CT Dose Index, Dose Length Product, Effective Dose and registration error between anatomical map and MDCT. We found significant difference in all radiation variables, but not in visual quality, registration error, CA duration, CA fluoroscopy time and CA fluoroscopy dose. CONCLUSION: Helical non-gated MDCT achieved a radiation dose more than four times lower with comparable image quality and course of ablation compared to ECG-gated protocol.
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