ISSN 1016-5169 | E-ISSN 1308-4488
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Long term outcomes of surgical revascularization for isolated left main coronary artery stenosis: a single-center surveillance study [Turk Kardiyol Dern Ars]
Turk Kardiyol Dern Ars. 2015; 43(8): 684-691 | DOI: 10.5543/tkda.2015.07277

Long term outcomes of surgical revascularization for isolated left main coronary artery stenosis: a single-center surveillance study

Yalçın Velibey1, Eyup Tusun1, Servet Altay2, Nijat Nijat Bakshaliyev1, Mehmet Karaca1, Özge Güzelburç1, Nihat Ozer1, Mehmet Eren1, Serap Aykut Aka3, İbrahim Yekeler3
1Siyami Ersek Thoracic And Cardiovascular Surgery Center, Training And Research Hospital, Department Of Cardiology, Istanbul, Turkey
2Edirne State Hospital, Department Of Cardiology, Edirne, Turkey
3Siyami Ersek Thoracic And Cardiovascular Surgery Center, Training And Research Hospital, Department Of Cardiovasculary Surgery, Istanbul, Turkey


OBJECTIVE
The objective of this study was to retrospectively analyze the clinical course and postoperative long-term survival of patients diagnosed with isolated left main coronary artery (LMCA) stenosis after surgical revascularization.

METHODS
A total of 38 patients (27 males, 11 females) who were diagnosed with isolated LMCA stenosis and underwent surgical revascularization were enrolled in the study. Isolated LMCA stenosis was classified into 2 groups: ostial stenosis and nonostial stenosis. Coronary events were defined as death of cardiac origin, the need for a new myocardial revascularization procedure, or the occurrence of myocardial infarction in the course of follow-up. The postoperative assessment period included short- and long-term follow-up. The study endpoint was defined as all-cause mortality.

RESULTS
Among the 38 patients who participated in the study, 25 suffered from ostial LMCA stenosis. The early postoperative mortality rate before hospital discharge was 2.6%. Median duration of postoperative long-term follow-up was 73.43 months (range: 0.17–187.23). Median duration of long-term follow-up free from coronary events or percutaneous coronary interventions was 73.43 months. Postoperative 2-year survival rate was 97.4%, and 5-year survival rate was 92.1%. The postoperative survival period and period free of coronary events of patients with isolated ostial LMCA stenosis did not differ significantly from those of patients with nonostial stenosis (p=0.801, p=0.970, respectively).

CONCLUSION
Postoperative short- and long-term prognosis of isolated LMCA stenosis appears good in terms of mortality and coronary event symptoms.

Keywords: Coronary angiography, isolated LMCA stenosis, surgical revascularization, long-term survival

How to cite this article
Yalçın Velibey, Eyup Tusun, Servet Altay, Nijat Nijat Bakshaliyev, Mehmet Karaca, Özge Güzelburç, Nihat Ozer, Mehmet Eren, Serap Aykut Aka, İbrahim Yekeler. Long term outcomes of surgical revascularization for isolated left main coronary artery stenosis: a single-center surveillance study. Turk Kardiyol Dern Ars. 2015; 43(8): 684-691

Corresponding Author: Yalçın Velibey, Türkiye
Manuscript Language: English


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Journal Citation Indicator: 0.18
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