NYMC Faculty Publications

Outcomes of Robotic Coronary Artery Bypass Versus Nonrobotic Coronary Artery Bypass

Author Type(s)

Faculty

DOI

10.1111/jocs.15710

Journal Title

Journal of Cardiac Surgery

First Page

3187

Last Page

3192

Document Type

Article

Publication Date

9-2021

Department

Medicine

Abstract

BACKGROUND: Robotic coronary artery bypass graft (CABG) has developed in recent decades, however, prior studies showed conflicting result of robotic CABG compared to nonrobotic CABG in terms of mortality, morbidity, and cost. Herein, we sought to analyze the in-hospital outcomes and health care utilization after robotic CABG compared to nonrobotic CABG, based on data from a nationally representative sample.

METHODS: Patients who underwent CABG were identified using the national inpatient sample. Endpoints were in-hospital outcomes, length of stay, and total cost. Procedure-related complications were identified via international classification of diseases (ICD)-9 and ICD-10 coding and propensity score matching analysis was performed.

RESULTS: A total of 1,204,125 weighted adults underwent nonrobotic CABG and 7355 underwent robotic CABG in the United States between 2012 and 2017. The comparison of 7330 pairs after propensity score matching showed that in-hospital mortality was higher for those who underwent nonrobotic CABG compared to those who underwent robotic CABG (2.1% vs. 1.1%, p = .029). Similarly, the rates of acute kidney injury, transfusion, postoperative hemorrhage, length of stay, and total cost were higher for nonrobotic CABG compared to robotic CABG (all p < .05). The proportions of routine discharges with (34.5% vs. 40.0%) or without (39.7% vs. 45.0%) home health care were higher among those who underwent robotic, whereas the proportion of transfer to skilled nursing facility/nursing home was more frequent for cases of nonrobotic CABG (22.4% vs. 13.4%).

CONCLUSION: Robotic CABG was associated with lower rates of in-hospital mortality, acute kidney injury, transfusion, postoperative hemorrhage, total cost, and shorter hospital stay compared to nonrobotic CABG.

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