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HSR&D Citation Abstract

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Garcia S, Hemmy LS, Kelly R, Fink HA. Periprocedural Changes in Cognitive Function After Transcatheter and Surgical Aortic Valve Replacement: Results From a Pilot Study Assessing Cognition in Elderly Veterans. The Journal of invasive cardiology. 2020 Jan 1; 32(1):12-17.
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Abstract: BACKGROUND: There is paucity of data comparing periprocedural changes in cognitive function between surgical aortic valve replacement (SAVR) and transcatheter aortic valve replacement (TAVR). METHODS: We enrolled patients with severe aortic stenosis scheduled to undergo TAVR or SAVR at the discretion of the heart team. Participants completed a cognitive battery before and 3 months after TAVR or SAVR, including the Montreal Cognitive Assessment (MoCA), phonemic (letter) verbal fluency, semantic (category) verbal fluency, and the Trail Making test (TMT) A and B. Periprocedural differences in cognition were compared within (pre/post procedure) and between groups using the paired-samples or independent-sample t-test, respectively. The Wilcoxon test was used for non-normally distributed data. RESULTS: Of the 63 patients (95% men) included, a total of 43 underwent TAVR and 20 underwent SAVR. Patients undergoing TAVR were older than SAVR patients (78 ± 8 years vs 70 ± 7 years, respectively; P < .001), but had similar STS surgical risk scores (4.9% vs 4.7%, respectively; P = .79). At baseline, there were no differences in cognition. At 3 months post TAVR or SAVR, there were no significant differences for MoCA blind score (16 ± 3 vs 16 ± 3, respectively; P = .61), correct responses in semantic fluency (15 ± 5 vs 15 ± 6, respectively; P = .93), correct responses in phonemic fluency (30 ± 12 vs 28 ± 15, respectively; P = .87), TMT A completion time (54 sec [IQR, 42-65 sec] vs 31 sec [IQR, 28-69 sec], respectively; P = .07), or TMT B completion time (161 sec [IQR, 118-300 sec] vs 173 sec [IQR, 110-300 sec], respectively; P = .87). CONCLUSIONS: In this pilot observational study, we observed no significant differences in cognition at baseline or 3 months between SAVR and TAVR groups.

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