Journal of cardiothoracic and vascular anesthesia · 2017
Myocardial Protection in Mitral Valve Surgery: Comparison Between Minimally Invasive Approach and Standard Sternotomy.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Lebon Jean-Sébastien, Couture Pierre, Fortier Annik, Rochon Antoine G, Ayoub Christian, Viens Claudia, Laliberté Éric, Bouchard Denis, Pellerin Michel, Deschamps Alain
Аннотация
OBJECTIVE: To compare antegrade and retrograde cardioplegia administration in minimally invasive mitral valve surgery (MIMS) and open mitral valve surgery (OMS) for myocardial protection.
DESIGN: Retrospective study.
SETTING: Tertiary care university hospital.
PARTICIPANTS: The study comprised 118 patients undergoing MIMS and 118 patients undergoing OMS.
INTERVENTIONS: The data of patients admitted for MIMS from 2006 to 2010 were reviewed. Patients undergoing isolated elective OMS from 2004 to 2006 were used as a control group. Cardioplegia in the MIMS group was delivered via the distal port of the endoaortic clamp and an endovascular coronary sinus catheter positioned using echographic and fluoroscopic guidance. Antegrade and retrograde cardioplegia were used in OMS. Data regarding myocardial infarction (MI) (creatine kinase [CK]-MB, troponin T, electrocardiography); myocardial function; and hemodynamic stability were collected.
MEASUREMENTS AND MAIN RESULTS: There was no difference in the perioperative MI incidence between both groups (1 in each group, p = 0.96). No statistically significant difference was found for maximal CK-MB (35.9 µg/L [25.1-50.1] v 37.9 µg/L [28.6-50.9]; p = 0.31) or the number of patients with CK-MB levels >50 µg/L (29 v 33; p = 0.55) or CK-MB >100 µg/L (3 v 4; p = 0.70) between the OMS and MIMS groups. However, maximum troponin T levels in the MIMS group were significantly lower (0.47 µg/L [0.32-0.79] v 0.65 µg/L [0.45-0.94]; p = 0.0007). No difference in the incidence of difficult weaning from bypass and intra-aortic balloon pump use between the MIMS and OMS groups was found.
CONCLUSIONS: Antegrade and retrograde cardioplegia administration during MIMS and OMS provided comparable myocardial protection.
DESIGN: Retrospective study.
SETTING: Tertiary care university hospital.
PARTICIPANTS: The study comprised 118 patients undergoing MIMS and 118 patients undergoing OMS.
INTERVENTIONS: The data of patients admitted for MIMS from 2006 to 2010 were reviewed. Patients undergoing isolated elective OMS from 2004 to 2006 were used as a control group. Cardioplegia in the MIMS group was delivered via the distal port of the endoaortic clamp and an endovascular coronary sinus catheter positioned using echographic and fluoroscopic guidance. Antegrade and retrograde cardioplegia were used in OMS. Data regarding myocardial infarction (MI) (creatine kinase [CK]-MB, troponin T, electrocardiography); myocardial function; and hemodynamic stability were collected.
MEASUREMENTS AND MAIN RESULTS: There was no difference in the perioperative MI incidence between both groups (1 in each group, p = 0.96). No statistically significant difference was found for maximal CK-MB (35.9 µg/L [25.1-50.1] v 37.9 µg/L [28.6-50.9]; p = 0.31) or the number of patients with CK-MB levels >50 µg/L (29 v 33; p = 0.55) or CK-MB >100 µg/L (3 v 4; p = 0.70) between the OMS and MIMS groups. However, maximum troponin T levels in the MIMS group were significantly lower (0.47 µg/L [0.32-0.79] v 0.65 µg/L [0.45-0.94]; p = 0.0007). No difference in the incidence of difficult weaning from bypass and intra-aortic balloon pump use between the MIMS and OMS groups was found.
CONCLUSIONS: Antegrade and retrograde cardioplegia administration during MIMS and OMS provided comparable myocardial protection.