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Comparing outcomes of general anesthesia and monitored anesthesia care during transcatheter aortic valve replacement:
Yasser Sammour1, Jimmy Kerrigan1, Kinjal Banerjee1
1Heart and Vascular Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA.
Background:
Monitored anesthesia care (MAC) has become more widely used during transcatheter aortic valve replacement (TAVR) to avoid the complications of general anesthesia (GA).
Methods:
We included consecutive patients who underwent transfemoral-TAVR at our institution between January 2012 and April 2017. We compared outcomes with GA versus MAC.
Results:
Of 998 patients, MAC was used in 43.9%. MAC was associated with shorter procedural time (96.9 ± 30.9 vs. 135 ± 64.6 mins; p < .001), fluoroscopy time (20.4 ± 8.9 vs. 29 ± 18.7 mins; p < .001), lower contrast volume (45.5 ± 27 vs. 60.4 ± 43 cc; p < .001), and decreased radiation exposure (12,869 ± 8,099 vs. 20,630 ± 16,276 cGy-cm2 ; p < .001). Patients who underwent MAC had a briefer median (IQR) intensive care unit stay [23.3 (21-24) vs. 23.4 (20.8-26) hrs; p < .001], and hospital stay [2 (2, 3) vs. 3 (2-6) days; p < .001], and were more frequently discharged to home (93.4% vs. 82.9%; p < .001). MAC was associated with lower mortality at 30 days (0.5% vs. 2.9%; log-rank p = .012; adjHR 0.22, 95% CI 0.06-0.82; p = .024), but not at 1 year (11.7% vs. 14.6%; log-rank p = .157) or 3 years (36.8% vs. 38.4%; log-rank p = 0.433). There were no differences in major adverse cardiac and cerebrovascular events (MACCE) at either 30 days (4.6% vs. 9.3%; log-rank p = .14) or 1 year (21.1% vs. 21.5%; log-rank p = .653). Similar findings were seen among patients who received newer-generation SAPIEN-3 valves.
Conclusion:
Utilizing MAC and omitting intraprocedural transesophageal echocardiography during TAVR seems to be more efficient without compromising safety. Better TAVR outcomes can be achieved with newer generation valves without needing GA.
