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In-Hospital Outcomes of Surgical Aortic Valve Replacement at Transcatheter Valve Implantation Centers

Published:September 14, 2022DOI:https://doi.org/10.1016/j.amjcard.2022.08.003
      The availability of transcatheter aortic valve implantation (TAVI) has led to the development of a multidisciplinary team, the “heart team,” at institutions offering both TAVI and surgical aortic valve replacement (SAVR). Whether this approach has improved in-hospital outcomes in patients who underwent SAVR at institutions offering TAVI versus those not offering TAVI is largely unknown. The National Inpatient Sample (2011 to 2018) was used to study trends in visits for SAVR and in-hospital outcomes at TAVI and non-TAVI centers. Survey estimation commands were used to determine weighted national estimates. There were 559,365 inpatient visits during 2011 to 2018 for aortic valve replacement, with 65.9 ± 0.8% and 34.0 ± 0.8% at TAVI and non-TAVI centers, respectively. Patients who underwent SAVR at TAVI hospitals had more co-morbidities and were less likely to receive mechanical prosthesis (24.7 ± 0.5% vs 35.5 ± 0.6%). Adjusted in-hospital mortality was lower among any SAVR (odds ratio 0.84, 95% confidence interval 0.75 to 0.94) and isolated SAVR (odds ratio 0.83, 95% confidence interval 0.70 to 0.98) recipients at TAVI centers. There was no difference in the incidence of stroke, permanent pacemaker placement, and acute kidney injury after SAVR in TAVI and non-TAVI centers. Although patients who underwent SAVR at TAVI centers had more co-morbidities, in-hospital mortality was lower at TAVI centers than non-TAVI centers. This may be attributable to several factors, including but not limited to experience, resource availability, and operative volumes and the use of the heart team.
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