Journal of anesthesia · 2026
Steady-state regional cerebral oxygen saturation integrates multidimensional periprocedural factors and predicts long-term mortality after transcatheter aortic valve implantation.
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Toya Ryo, Kato Jungo, Morita Yuto, Takise Yoshiaki, Ryuzaki Toshinobu, Tsuruta Hikaru, Hayashida Kentaro, Yamada Takashige
Аннотация
PURPOSE: Predicting long-term outcomes after transcatheter aortic valve implantation (TAVI) remains challenging. Recent studies have indicated the potential of intraoperative cerebral regional oxygen saturation (rScO2) in estimating long-term outcomes after cardiac surgery. This study aimed to investigate the association between long-term outcomes after TAVI and pre-operative, procedural, and anesthesia-related factors, including rScO2.
METHODS: We conducted a retrospective observational cohort study of 301 consecutive patients who underwent TAVI under monitored anesthesia care at our institution between April 2017 and March 2019. The associations between pre-operative, procedural, and anesthesia-related factors and the 1- and 3-year mortality rates were investigated.
RESULTS: Of the 301 patients analyzed, 298 were followed-up for 3 years. The all-cause mortality rates at 1 and 3 years were 6.7% and 20.5%, respectively. Multivariate Cox proportional hazards regression analysis revealed that pre-operative lung vital capacity and post-anesthetic rScO2 were independent predictors of both 1- and 3-year mortality. Receiver operating characteristic analysis indicated that the cutoff values of post-anesthetic rScO2 for predicting 1- and 3-year mortality were 55.25 and 57.75, respectively. Multivariate linear regression analysis showed that pre-operative hemoglobin concentration, estimated glomerular filtration rate, serum brain natriuretic hormone level, hypotension at the end of the procedure, and duration of anesthesia were associated with post-anesthetic rScO2.
CONCLUSION: Post-anesthetic rScO2 was significantly associated with long-term mortality after TAVI.
METHODS: We conducted a retrospective observational cohort study of 301 consecutive patients who underwent TAVI under monitored anesthesia care at our institution between April 2017 and March 2019. The associations between pre-operative, procedural, and anesthesia-related factors and the 1- and 3-year mortality rates were investigated.
RESULTS: Of the 301 patients analyzed, 298 were followed-up for 3 years. The all-cause mortality rates at 1 and 3 years were 6.7% and 20.5%, respectively. Multivariate Cox proportional hazards regression analysis revealed that pre-operative lung vital capacity and post-anesthetic rScO2 were independent predictors of both 1- and 3-year mortality. Receiver operating characteristic analysis indicated that the cutoff values of post-anesthetic rScO2 for predicting 1- and 3-year mortality were 55.25 and 57.75, respectively. Multivariate linear regression analysis showed that pre-operative hemoglobin concentration, estimated glomerular filtration rate, serum brain natriuretic hormone level, hypotension at the end of the procedure, and duration of anesthesia were associated with post-anesthetic rScO2.
CONCLUSION: Post-anesthetic rScO2 was significantly associated with long-term mortality after TAVI.