期刊
JOURNAL OF CARDIAC SURGERY
卷 18, 期 4, 页码 286-294出版社
WILEY
DOI: 10.1046/j.1540-8191.2003.02030.x
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Background. High-risk patients would benefit the most of OPCAB revascularization. This prospective and randomized study evaluates the efficacy and safety of pre- and perioperative IABC in high-risk OPCAB. Material. Group A-IABC started prior to induction of anesthesia (n = 15); group B-no preoperative IABC (n = 15). Adult high-risk coronary patients to undergo OPCAB. High risk = (minimum 2) EF < 0.30, left main stenosis, unstable angina, redo. Bailout if hemodynamic instability CPB or IABC in group B. Study endpoints (a) cardiac protection (troponin 1, cardiac index (CI), ECG), (b) inflammatory response (lactate, IL-6), (c) clinical outcome (mortality, morbidity). Emergency operations 33%, re-operation 13%, unstable angina 100%, left main 60% and EF 0.29, without group differences. Results: No bailout group A, 10 in group B, p < 0.0001. Postoperative IABC six (group A) and seven patients (group B), during 6.8 +/- 5.1 hours (group A) versus 41.2 +/- 25.5 hours (group B), p = 0.0110. Myocardial protection without group differences, but Cl significantly better in group A. Inflammatory response significantly less in group A. Clinical outcomes: one death, one MI and two renal failure in group B, none in group A. Intensive care unit (ICU) stay 27 +/- 3 hours (group A) versus 65 +/- 28 hours (group B), p = 0.0017. LOS 8 +/- 2 days (group A) versus 15 +/- 10 (group B), p = 0.0351. No IABC related complications. Conclusions: Pre-and perioperative IABC therapy offers efficient hemodynamic support during high-risk OPCAB surgery, lowers the risk of hemodynamic instability, is safe and shortens both ICU and hospital length of stay significantly, and is a cost-effective therapy.
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