Differential effects of single versus double aortic clamping on myocardial protection during coronary bypass
Journal of International Medical Research, cilt.37, sa.2, ss.341-350, 2009 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 37 Sayı: 2
- Basım Tarihi: 2009
- Doi Numarası: 10.1177/147323000903700208
- Dergi Adı: Journal of International Medical Research
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Sayfa Sayıları: ss.341-350
- Anahtar Kelimeler: CORONARY ARTERY BYPASS GRAFTING, CABG, SINGLE CLAMP, DOUBLE CLAMP, MYOCARDIAL PROTECTION
- Sağlık Bilimleri Üniversitesi Adresli: Evet
Özet
The effects of double (n = 60, group 1) versus single (n = 60, group 2) aortic clamping on myocardial functions and protection were investigated during coronary artery bypass grafting using a heart-lung pump. In group 1, after opening the cross clamp, proximal anastomosis was completed using side clamps and, in group 2, distal and proximal anastomosis was completed with a single clamp. Cross clamping time in the single-clamp patients (group 2; 77.1 min) was significantly higher than in the double-clamp patients (group 1; 62.9 min). Troponin T was significantly higher in group 2 than in group 1 h and 24 h after surgery. Post-operative left ventricular ejection fraction decreased in both groups, but this was not statistically significant. Post-operative wall motion score index and myocardial performance index increased significantly in both groups compared with the pre-operative level. Overall, the double-clamp technique provided better myocardial protection than the single-clamp technique and neither technique seemed to have a negative impact on the early post-operative global functioning of the left ventricle, however the effect of these techniques on the global functioning of the left ventricle in the late post-operative period needs to be evaluated. Copyright © 2009 Field House Publishing LLP.