Abstract
BACKGROUND CONTEXT The risk assessment of elective spine fusion patients with a previous history of cardiac intervention, particularly a coronary artery bypass graft (CABG), has been understudied. This study aimed to assess postoperative outcomes of elective spine fusion patients with a prior history of single- to multilevel coronary artery bypass grafting. PURPOSE Investigate effect of revascularization on 30-day and 90-day outcomes in elective spine fusion patients. STUDY DESIGN/SETTING Retrospective review of the PearlDiver database between the years 2006-2013. PATIENT SAMPLE A total of 733,007 elective spine fusion patients. OUTCOME MEASURES Comorbidity burden, 30-day and 90-day complications (myocardial infarction, pneumonia, sepsis, death, would complications, transfusions), readmission. METHODS Elective spine fusion patients were isolated with ICD-9 and CPT procedures codes in the PearlDiver database. Patients were stratified by number of coronary arteries grafted during a coronary artery bypass grafting procedure prior to spine fusion: (1) 1-2 grafts (G12); (2) 3-4 grafts (G34); (3) no grafts. Means comparison tests compared differences in demographics, diagnoses, comorbidities, and 30-day complication outcomes. Logistic regression assessed the odds of complication associated with number of arteries grafted, controlling for levels fused, age, sex, and comorbidities (odds ratio [95% confidence interval]). RESULTS A total of 733,007 elective spine fusion patients were isolated;723,606 pts had no grafts, 5,356 were G12, and 4,045 were G34. G12 patients at baseline had higher rates of morbid obesity, PVD, chronic kidney disease, CHF, and COPD (p 0.05). Overall, G34 patients had higher rates of 30-day and 90-day readmissions (p CONCLUSIONS Compared to patients who had no history of cardiac intervention, patients who had single or multivessel coronary artery bypass graft had an increase in 30-day complications. However, comparing between groups that had 1-2 or 3-4 level grafts, there were no significant differences in major and minor complications 30 days postoperatively. FDA DEVICE/DRUG STATUS This abstract does not discuss or include any applicable devices or drugs.
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