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Long-term Outcomes of Concomitant Surgical Ablation for Atrial Fibrillation
CONCLUSIONS: Concomitant atrial fibrillation ablation during cardiac surgery is safe, does not increase the rate of perioperative complications, and confers the benefit of long-term survival after cardiac surgery in adults. Atrial fibrillation ablation also improved cardiac surgery patients' long-term survival compared with the matched general atrial fibrillation population.PMID:36216085 | DOI:10.1016/j.athoracsur.2022.09.036
Source: The Annals of Thoracic Surgery - October 10, 2022 Category: Cardiovascular & Thoracic Surgery Authors: Yu-Ting Cheng Yu-Tung Huang Hui-Tzu Tu Yi Hsin Chan Victor Chien-Chia Wu Kuo-Chun Hung Pao-Hsien Chu An-Hsun Chou Shang-Hung Chang Shao-Wei Chen Source Type: research

Novel oral anticoagulant vs. warfarin in elderly atrial fibrillation patients with normal, mid ‐range, and reduced left ventricular ejection fraction
ConclusionsIn elderly AF patients ≥65 years, using NOAC was associated with lower IS/SE compared with warfarin in normal and mid‐range LVEF but not in reduced LVEF. Using NOACs was associated with lower death compared with warfarin in normal LVEF.
Source: ESC Heart Failure - July 15, 2020 Category: Cardiology Authors: Victor Chien ‐Chia Wu, Chun‐Li Wang, Cheng‐Hung Lee, Yu‐Ling Chen, Hui‐Tzu Tu, Michael Wu, Chang‐Fu Kuo, Shao‐Wei Chen, Yu‐Tung Huang, Ming‐Shien Wen, Shang‐Hung Chang Tags: Original Research Article Source Type: research

Assistive technology using regurgitation fraction and fractional-order integration to assess pulmonary valve insufficiency for pre-surgery decision making and post-surgery outcome evaluation
This study proposes an assistive technology to quantify regurgitation using the regurgitation fraction (RF) and heart pump efficiency (HPE). In signal preprocessing stage, the detrending and zero-crossing processes are used to remove the unwanted flow fluctuations and identify the end-systolic and end-diastolic periods per each cardiac cycle. The fractional-order integrations are employed to calculate the stroke volume (SV) and regurgitation volume (RV). Then, the regurgitation flow can be quantified that indicates the high correlation with HPE. For a mimicking pulmonary circulation loop system, the proposed screening mode...
Source: Biomedical Signal Processing and Control - July 5, 2018 Category: Biomedical Science Source Type: research