Prediction of Atrial Fibrillation After Off-Pump Coronary Artery Bypass Grafting Using Preoperative Total Atrial Conduction Time Determined on Tissue Doppler Imaging

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Prediction of Atrial Fibrillation After Off-Pump Coronary Artery Bypass Grafting Using Preoperative Total Atrial Conduction Time Determined on Tissue Doppler Imaging

Material type: 博士論文

Author: Fujiwara, Mai

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Name of awarding university/degree: 広島大学(Hiroshima University),博士(医学)

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Note (General)：: type:textBackground: Postoperative atrial fibrillation (POAF) is a common complication of cardiac surgery and results in increased health-care utiliza...

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Material Type: 博士論文
Title: Prediction of Atrial Fibrillation After Off-Pump Coronary Artery Bypass Grafting Using Preoperative Total Atrial Conduction Time Determined on Tissue Doppler Imaging
Author/Editor: Fujiwara, Mai
Author Heading: Fujiwara, Mai
Alternative Title: 組織ドッブラー法を用いた体外循環非使用冠動脈バイパス手術の術後心房細動の発症予測
Degree grantor/type: 広島大学(Hiroshima University)
Date Granted: 2014-03-23
Dissertation Number: 甲第6398号
Degree Type: 博士(医学)
Text Language Code: eng
Subject Heading: Atrial fibrillation
Off-pump coronary artery bypass grafting
PA-TDI duration
NDC: 490
Target Audience: 一般
Note (General): type:text
Background: Postoperative atrial fibrillation (POAF) is a common complication of cardiac surgery and results in increased health-care utilization. This study identified new transthoracic echocardiographic predictors of POAF using an index of the total atrial conduction time derived on tissue Doppler imaging (PA-TDI duration) in patients undergoing off-pump coronary artery bypass grafting (OPCAB). Methods and Results: A total of 88 patients undergoing isolated OPCAB were enrolled. They were examined preoperatively on transthoracic echocardiography with tissue Doppler evaluations and monitored postoperatively with continuous electrocardiographic telemetry for 7 days. POAF occurred in 35 patients (39.8%). Patients with POAF had a significantly longer duration of hospital stay than those without (44.9±6.2 vs. 37.3±3.3 days, P=0.04). Multivariate analysis showed that PA-TDI duration (odds ratio [OR], 1.11; 95% confidence interval [CI]: 1.06-1.16; P=0.0001) and left atrial volume index (LAVI; OR, 1.11; 95% CI: 1.02-1.20; P=0.01) were independent predictors of POAF. Moreover, PA-TDI duration was more reliable, given an area under the receiver operating characteristic curve of 0.85 (sensitivity, 74.3%; specificity, 86.8%). Conclusions: PA-TDI duration was an independent predictor of POAF following OPCAB. Awareness of risk of POAF may lead to the prevention of POAF, a rapid response to POAF, shortened hospital stay, and improved prognosis.
Format (IMT): application/pdf
Source: fulltext
http://ir.lib.hiroshima-u.ac.jp/files/public/3/36311/20141121020232508784/k6398_3.pdf
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http://ir.lib.hiroshima-u.ac.jp/files/public/3/36311/20181122140612898136/k6398_1.pdf
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http://ir.lib.hiroshima-u.ac.jp/files/public/3/36311/20181122140613345298/k6398_2.pdf
Access Restrictions: インターネット公開
Rights (production): Copyright(c) by Author
References (URI): URI
http://dx.doi.org/10.1253/circj.CJ-13-0900
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 広島大学 : 広島大学学術情報リポジトリ