Galina Leyvi1, Clyde B Schechter2, Sankalp Sehgal3, Mark A Greenberg4, Max Snyder3, Stephen Forest5, Alec Mais3, Nan Wang6, Patrice DeLeo5, Joseph J DeRose5. 1. Department of Anesthesiology, Division of Cardiothoracic Anesthesia, Bronx, NY. Electronic address: gleyvi@montefiore.org. 2. Department of Family and Social Medicine, Bronx, NY. 3. Department of Anesthesiology, Division of Cardiothoracic Anesthesia, Bronx, NY. 4. Department of Medicine, Division of Cardiology, Bronx, NY. 5. Department of Cardiovascular and Thoracic Surgery, Montefiore Medical Center, Bronx, NY. 6. Medical Student, Bronx, NY.
Abstract
OBJECTIVES: To compare the direct costs of the index hospitalization and 30-day morbidity and mortality incurred during robotic and conventional coronary artery bypass grafting at a single institution based on hospital clinical and financial records. DESIGN: Retrospective study, propensity-matched groups with one-to-one nearest neighbor matching. SETTING: University hospital, a tertiary care center. PARTICIPANTS: Two thousand eighty-eight consecutive patients who underwent primary coronary artery bypass grafting (CABG) from January 2007 to March 2012. INTERVENTIONS: One hundred forty-one matched pairs were created and analyzed. MEASUREMENTS AND MAIN RESULTS: Robotic CABG was associated with a decrease in operative time (5.61±1.1 v 6.6±1.15 hours, p<0.001), a lower need for blood transfusion (12.8% v 22.6%, p = 0.04), a shorter length of stay (6 [4-9]) v 7 [5-11] days, p = 0.001), a shorter ICU stay (31 [24-49] hours v 52 [32-96.5] hours, p<0.001) and lower NY state complications composite rate (4.26% v 13.48%, p = 0.01). In spite of that, the cost of robotic procedures was not significantly different from matched conventional cases ($18,717.35 [11,316.1-34,550.6] versus $18,601 [13,137-50,194.75], p = 0.13), except 26 hybrid coronary revascularizations in which angioplasty was performed on the same admission (hybrid 25,311.1 [18,537.1-41,167.85] versus conventional 18,966.13 [13,337.75-56,021.75], p = 0.02). CONCLUSION: Robotically assisted CABG does not increase the cost of the index hospitalization when compared to conventional CABG unless hybrid revascularization is performed on the same admission.
OBJECTIVES: To compare the direct costs of the index hospitalization and 30-day morbidity and mortality incurred during robotic and conventional coronary artery bypass grafting at a single institution based on hospital clinical and financial records. DESIGN: Retrospective study, propensity-matched groups with one-to-one nearest neighbor matching. SETTING: University hospital, a tertiary care center. PARTICIPANTS: Two thousand eighty-eight consecutive patients who underwent primary coronary artery bypass grafting (CABG) from January 2007 to March 2012. INTERVENTIONS: One hundred forty-one matched pairs were created and analyzed. MEASUREMENTS AND MAIN RESULTS: Robotic CABG was associated with a decrease in operative time (5.61±1.1 v 6.6±1.15 hours, p<0.001), a lower need for blood transfusion (12.8% v 22.6%, p = 0.04), a shorter length of stay (6 [4-9]) v 7 [5-11] days, p = 0.001), a shorter ICU stay (31 [24-49] hours v 52 [32-96.5] hours, p<0.001) and lower NY state complications composite rate (4.26% v 13.48%, p = 0.01). In spite of that, the cost of robotic procedures was not significantly different from matched conventional cases ($18,717.35 [11,316.1-34,550.6] versus $18,601 [13,137-50,194.75], p = 0.13), except 26 hybrid coronary revascularizations in which angioplasty was performed on the same admission (hybrid 25,311.1 [18,537.1-41,167.85] versus conventional 18,966.13 [13,337.75-56,021.75], p = 0.02). CONCLUSION: Robotically assisted CABG does not increase the cost of the index hospitalization when compared to conventional CABG unless hybrid revascularization is performed on the same admission.
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