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Preoperative echocardiographic parameters influencing quality of life five years after coronary artery bypass graft surgery.

Abstract：

BACKGROUND/AIM:Factors associated with mortality and morbidity following coronary artery bypass graft surgery have been well defined and the Parsonnet score is widely used in mortality prediction. The evaluation of quality of life has not been still implemented in everyday work and preoperative echocardiographic factors affecting the quality of life in patients undergoing coronary artery bypass graft surgery have been poorly documented. The aim of this study was to evaluate echocardiographic parameters influencing quality of life following coronary artery bypass graft surgery and its correlation with widely used Parsonnet score. METHODS:A total of 449 consecutive patients with myocardial revascularization, operated during 1999 and 2000 were enrolled in this retrospective-prospective study. The patients with comorbidities were excluded as well as those with in complete myocardial revascularization. A group of 180 patients who accepted to participate in quality of life evaluation was followed for 60 months. The quality of life was evaluated using a questionnaire SF-36. RESULTS:The mean patients' age was 57.8 +/- 7.8 years, 79.4% were males. A 5-year survival was 84.2%. The mean number of risk factors was 3.4 +/- 1.0. Most of the patients were in New York Heart Association (NYHA) II class (104 of them or 59.4%), 61 of them (34.9%) in NYHA III class and only 10 patients or 5.7% of them were in NYHA IV class. The mean End-Diastolic Diameter (EDD) was 55.3 +/- 5.6 mm, mean End-Systolic Diameter (ESD) 38.7 +/- 5.6 mm and mean ejection fraction (EF) 51.7 +/- 9.6%. Left atrium dilatation (p < 0.001), as well as left ventricle dilatation (p < 0.001), low left ventricle ejection fraction (p < 0.001), multisegmental disorders of contractility (p < 0.001), and severe mitral regurgitation (p < 0.001) were in negative correlation with almost all dimensions of quality of life. ROC analysis showed that left ventricle EDD of 54.5 mm can be used as good cut-off value for prediction of optimal quality of life, with sensitivity of 57% and specificity of 70% (RR = 1.386), left ventricle ESD of 37.5 mm with sensitivity of 65% and specificity of 57% (RR = 0.855) and left ventricle EF of 50% with sensitivity of 61% and specificity of 70% (RR = 0.916). CONCLUSION:Echocardiographic parameters, that can easily be obtained preoperatively, have strong predictive value not only in postoperative survival, but also in determination of the quality of life of the patients five years after coronary artery bypass graft surgery.

journal_name

Vojnosanit Pregl

journal_title

Vojnosanitetski pregled

authors

Zdravković M,Ristić M,Milić N,Zdravković D,Krotin M,Randjelović T

doi

10.2298/vsp0909718z

subject

Has Abstract

pub_date

2009-09-01 00:00:00

pages

718-23

issue

eissn

0042-8450

issn

2406-0720

journal_volume

pub_type

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Preoperative echocardiographic parameters influencing quality of life five years after coronary artery bypass graft surgery.