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  • Title: Outcome after coronary bypass grafting for coronary complications following coronary angiography.
    Author: Slottosch I, Liakopoulos O, Kuhn E, Deppe AC, Scherner M, Mader N, Choi YH, Wahlers T.
    Journal: J Surg Res; 2017 Apr; 210():69-77. PubMed ID: 28457342.
    Abstract:
    BACKGROUND: Coronary complications during coronary angiography or intervention (percutaneous coronary intervention [PCI]) are uncommon. However, PCI-related coronary artery perforation, dissection, or acute occlusion frequently result in myocardial ischemia followed by hemodynamic instability and need of urgent coronary artery bypass grafting (coronary artery bypass grafting [CABG]). This single-center study aimed to investigate clinical outcomes of patients undergoing urgent CABG after life-threatening PCI complications. MATERIALS AND METHODS: Data were retrospectively obtained using our institutional patient database. All patients admitted for urgent CABG following PCI-related complications from April 2010 to June 2015 were included into this study. Univariate analysis was performed to identify possible predictors for cardiac mortality. RESULTS: From a total of 821 urgent CABG patients, 52 patients (6.3%, 66.4 ± 9.4 years) underwent CABG for coronary complication following PCI. Logistic EuroSCORE was 21.8 ± 15.0%. At admission, 22 of 52 (42%) presented in cardiogenic shock, and 24 of 52 (46%) had significant electrocardiogram alterations indicating ST-elevation myocardial infarction (STEMI). Surgical revascularization was performed by targeting the injured coronary vessel with additional revascularization of other compromised vessels as indicated (mean number of grafts 2.4 ± 0.8). In-hospital cardiac mortality of the patient cohort was 13.5% (7/52) with 15.4% (8/52) in-hospital all-cause mortality. Preoperative resuscitation, cardiogenic shock, and STEMI were predictors for in-hospital cardiac mortality (P < 0.05) in univariate analysis. In contrast, noncardiac comorbidities, type of PCI complication, and localization of the culprit lesion were not associated to increased mortality. CONCLUSIONS: Emergent or urgent CABG for treatment of acute coronary complications following PCI is feasible and has acceptable clinical results that worsen in the presence of STEMI, cardiogenic shock, or resuscitation. Because preoperative status is crucial for clinical outcomes in these patients, immediate transfer to cardiac surgery is necessary.
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