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Apoptosis during CABG surgery with the use of cardiopulmonary bypass is prominent in ventricular but not in atrial myocardium
Ruifrok, W. T., Westenbrink, B. D., de Boer, R. A., den Hamer, I. J., Erasmus, M. E., Mungroop, H. E., Epema, A. H., Voors, A. A., van Veldhuisen, D. J. & van Gilst, W. H., May-2010, In : Netherlands Heart Journal. 18, 5, p. 236-242 7 p.Research output: Contribution to journal › Article › Academic › peer-review
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Apoptosis during CABG surgery with the use of cardiopulmonary bypass is prominent in ventricular but not in atrial myocardium. / Ruifrok, W. T.; Westenbrink, B. D.; de Boer, R. A.; den Hamer, I. J.; Erasmus, M. E.; Mungroop, H. E.; Epema, A. H.; Voors, A. A.; van Veldhuisen, D. J.; van Gilst, W. H.
In: Netherlands Heart Journal, Vol. 18, No. 5, 05.2010, p. 236-242.Research output: Contribution to journal › Article › Academic › peer-review
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TY - JOUR
T1 - Apoptosis during CABG surgery with the use of cardiopulmonary bypass is prominent in ventricular but not in atrial myocardium
AU - Ruifrok, W. T.
AU - Westenbrink, B. D.
AU - de Boer, R. A.
AU - den Hamer, I. J.
AU - Erasmus, M. E.
AU - Mungroop, H. E.
AU - Epema, A. H.
AU - Voors, A. A.
AU - van Veldhuisen, D. J.
AU - van Gilst, W. H.
PY - 2010/5
Y1 - 2010/5
N2 - Objectives. We aimed to compare the rate of apoptosis after cardiopulmonary bypass (CPB) and cardioplegic arrest during coronary artery bypass grafting (CABG) surgery between atrial and ventricular tissue.Methods. During CABG surgery with CPB and cardioplegic arrest, sequential biopsies were taken from the right atrial appendage and left ventricular anterior wall before CPB and after aortic cross clamp release. Change in number of apoptotic cells and biochemical markers of myocardial ischaemia and renal dysfunction were assessed.Results. CPB was associated with a transient small, but significant increase in CK (1091 +/- 374%), CK-MB (128 +/- 38%), troponin-T (102 +/- 13%) and NT-proBNP (1308 +/- 372%) levels (all: pConclusion. CABG surgery with CPB and cardioplegic arrest is associated with an elevated rate of apoptosis in ventricular but not in atrial myocardial tissue. Ventricular tissue may be more sensitive to detect changes than atrial tissue, and may be more useful to investigate the protective effects of therapeutic intervention. (Neth Heart J 2010;18:236-42.)
AB - Objectives. We aimed to compare the rate of apoptosis after cardiopulmonary bypass (CPB) and cardioplegic arrest during coronary artery bypass grafting (CABG) surgery between atrial and ventricular tissue.Methods. During CABG surgery with CPB and cardioplegic arrest, sequential biopsies were taken from the right atrial appendage and left ventricular anterior wall before CPB and after aortic cross clamp release. Change in number of apoptotic cells and biochemical markers of myocardial ischaemia and renal dysfunction were assessed.Results. CPB was associated with a transient small, but significant increase in CK (1091 +/- 374%), CK-MB (128 +/- 38%), troponin-T (102 +/- 13%) and NT-proBNP (1308 +/- 372%) levels (all: pConclusion. CABG surgery with CPB and cardioplegic arrest is associated with an elevated rate of apoptosis in ventricular but not in atrial myocardial tissue. Ventricular tissue may be more sensitive to detect changes than atrial tissue, and may be more useful to investigate the protective effects of therapeutic intervention. (Neth Heart J 2010;18:236-42.)
KW - Coronary Artery Bypass
KW - Apoptosis
KW - Heart Ventricules
KW - Heart Arrest
KW - Heart Atria
KW - Reperfusion Injury
KW - REACTIVE OXYGEN
KW - CARDIAC-SURGERY
KW - ERYTHROPOIETIN PROTECTS
KW - REPERFUSION INJURY
KW - ISCHEMIA
KW - HEART
KW - CARDIOPROTECTION
KW - MECHANISMS
KW - MYOCYTES
KW - PATHWAY
M3 - Article
VL - 18
SP - 236
EP - 242
JO - Netherlands Heart Journal
JF - Netherlands Heart Journal
SN - 0929-7456
IS - 5
ER -
ID: 5097161