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Impact of Coronary Artery Anatomy in Arterial Switch Procedure on Early Mortality and Morbidity.

Abstract：

OBJECTIVE:Arterial switch operation has become the treatment of choice for neonates with transposition of the great arteries. The most important step of the procedure is transferring the coronary arteries to the neoaorta successfully. This study shows the impact of coronary anatomy on early mortality and morbidity after arterial switch operation. METHODS:Ninety-two patients with transposition of the great arteries who underwent arterial switch operation between October 2010 and September 2014 were included in this retrospective study. The patients were classified into two groups: group I (n = 68, patients with usual coronary artery anatomy) and group II (n = 24, patients with unusual coronary artery anatomy). Median age was 10 days (6-25 days) in group I and 14 days (7-29 days) in group II. In group I, 25 patients had ventricular septal defect, nine patients had coarctation of the aorta or distal aortic arch hypoplasia, seven patients had Taussig Bing anomaly. In group II, nine patients had ventricular septal defect, one patient had coarctation of aorta, and one patient had Taussig Bing anomaly. RESULTS:Regarding the postoperative variables, no significant statistical difference was found between two groups. But cardiopulmonary bypass time is significantly longer in group II (P = .004). There was no difference in complications including the mortality (P = .265). It is statistically found that associated anomalies did not affect the mortality and complication rates. All mortality cases (n = 4) were related to ventricular dysfunction in group II, whereas only four of the eight patients died because of ventricular dysfunction in group I. CONCLUSION:Coronary artery pattern was not a predictor of mortality in early postoperative period. There may be an impact of unusual coronary artery pattern on the development of ventricular dysfunction as a cause of mortality.

journal_name

Congenit Heart Dis

journal_title

Congenital heart disease

authors

Altin FH,Sengul FS,Yildiz O,Tosun O,Ozturk E,Kyaruzi M,Cine N,Guzeltas A,Yeniterzi M,Bakir İ

doi

10.1111/chd.12295

subject

Has Abstract

pub_date

2016-03-01 00:00:00

pages

115-21

issue

eissn

1747-079X

issn

1747-0803

journal_volume

pub_type

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Impact of Coronary Artery Anatomy in Arterial Switch Procedure on Early Mortality and Morbidity.