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The Journal of Tehran University Heart Center، جلد ۱۱، شماره ۱، صفحات ۶-۱۰
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عنوان انگلیسی Coronary Artery Bypass Grafting in Patients with Advanced Left Ventricular Dysfunction: Excellent Early Outcome with Improved Ejection Fraction
چکیده انگلیسی مقاله Background: The prevalence of patients with severe left ventricular dysfunction (LVD) referred for coronary artery bypass grafting (CABG) is increasing. Preoperative LVD is an established risk factor for early and late mortality after revascularization. The aim of the present study was to assess the early outcome of patients with severe LVD undergoing CABG. Methods: Between December 2012 and November 2014, 145 consecutive patients with severely impaired LV function (ejection fraction ≤ 30%) undergoing either on-pump or off-pump CABG were enrolled. The primary end point was all-cause mortality. Different variables (preoperative, intraoperative, and postoperative) were evaluated and compared. Results: The mean age of the patients was 58.7 years (range, 34 to 87 years), and 82.8% of the patients were male. The mean preoperative LV ejection fraction was 25.33 ± 5.07% (10 to 30%), which improved to 26.67 ± 5.38% (10 to 40%) (p value < 0.001). An average of 3.85 coronary bypass grafts per patient was performed. Significant improvement in mitral regurgitation was also observed after CABG (p value < 0.001). Moreover, 120 patients underwent conventional CABG (82.8%) and 25 patients had off-pump CABG (17.2%). In-hospital mortality was 2.1% (3 patients). Patients who underwent off-pump CABG had higher operative mortality than did those undergoing conventional CABG despite a lower severity of coronary involvement and a significantly lower number of grafts (p value < 0.050). Conversely, morbidity was significantly higher in conventional CABG (p value < 0.050). Conclusion: CABG in patients with severe LVD can be performed with low mortality. CABG can be considered a safe and effective therapy for patients with a low ejection fraction who have ischemic heart disease and predominance of tissue viability.
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نویسندگان مقاله مهرداد صالحی | mehrdad salehi
imam khomeini hospital, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

علیرضا بخشنده | alireza bakhshandeh
imam khomeini hospital, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

مهرزاد رحمانیان | mehrzad rahmanian
imam khomeini hospital, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

کیانوش صابری | kianoosh saberi
imam khomeini hospital, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

مهدی کهرم | mahdi kahrom
imam khomeini hospital, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

کیوان سبحانیان | keivan sobhanian
imam khomeini hospital, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

نشانی اینترنتی http://jthc.tums.ac.ir/index.php/jthc/article/view/509
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زبان مقاله منتشر شده en
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