eISSN: 1897-4252
ISSN: 1731-5530
Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery
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4/2014
vol. 11
 
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abstract:

CARDIAC SURGERY
The impact of coronary artery disease severity on late survival after combined aortic valve replacement and coronary artery bypass grafting – experience of a single cardiac surgery center

Bartłomiej Perek
,
Marcin Misterski
,
Wojciech Stachowiak
,
Piotr Buczkowski
,
Sebastian Stefaniak
,
Mateusz Puślecki
,
Tomasz Urbanowicz
,
Wiktor Budniak
,
Marek Jemielity

Kardiochirurgia i Torakochirurgia Polska 2014; 11 (4): 361-366
Online publish date: 2014/11/30
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Introduction: The severity of coronary artery disease (CAD) may have an impact on the outcomes of patients (pts) after aortic valve replacement (AVR) and coronary artery bypass grafting (CABG).

Aim: The aim of the study was to analyze survival after simultaneous AVR and CABG with respect to CAD severity.

Material and methods: The study involved 143 consecutive pts (40 women and 103 men) with a mean age of 65.1 ± 7.7 years treated between 2006 and 2009. The indication for surgery was aortic stenosis accompanied by left main or three-vessel disease (group A; n = 43) and by single- or two-vessel disease (group B; n = 100). In-hospital and late mortality were analyzed. Post-discharge survival was estimated using the Kaplan-Meier method. Moreover, selected preoperative clinical and echocardiographic data as well as intraoperative variables were compared between the groups.

Results: In-hospital mortality was 4.7% in group A and 3.0% in group B (NS). The 12-month and 48-month survival probability rates were 0.88 ± 0.05 and 0.83 ± 0.06 in group A, and 0.97 ± 0.01 and 0.92 ± 0.03 in group B, respectively (p < 0.05). Patients in group A and B differed (p < 0.05) with respect to the preoperative prevalence of arterial hypertension (65.1% vs. 42.0%) and atrial fibrillation (18.6% vs. 6.0%) as well as with regard to the rate of complete revascularization (20.9% vs. 85.0%, group A and B, respectively).

Conclusions: Coronary artery disease severity impacts long-term survival after combined AVR and CABG. Patients with left main or three-vessel disease more often undergo incomplete surgical revascularization, and this fact may be one of the predictors of an unfavorable outcome.
keywords:

oronary artery disease, aortic valve replacement, combined procedures, mortality, long-term outcomes

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