ArticleClinical research in cardiology : official journal of the German Cardiac Society2026
Neurocognition and health-related quality of life in patients randomized to surgical or transcatheter aortic-valve replacement.
Article in Clinical research in cardiology : official journal of the German Cardiac Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04535076 (Cognitive Outcome After Surgical and Transcatheter Aortic Valve Replacement), which is not on this map. Not yet cited in PubMed.
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Cognitive Outcome After Surgical and Transcatheter Aortic Valve Replacement
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19 authors.
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Abstract
backgroundSevere symptomatic aortic stenosis is associated with increased morbidity and mortality. Surgical aortic valve replacement (SAVR) and transcatheter aortic valve implantation (TAVI) are established treatment options. Neurological complications such as subclinical cerebral ischemia, delirium, and postoperative cognitive decline can occur during either treatment; however, precise data on neurological impairment remain scarce.
objectivesThe aim of this study was to compare neurological outcomes of patients undergoing TAVI or SAVR.
methodsCOSTA (Cognitive Outcome after Surgical and Transcatheter Aortic valve replacement) is a single-center sub-study of the randomized DEDICATE trial (clinicaltrials.gov ID: NCT04535076). Neurocognitive tests (memory, attention, language, executive functions), questionnaires on neuropsychology (cognitive failures questionnaire [CFQ], hospital anxiety, and depression scale [HADS]), and health-related quality of life (SF-36) were used before intervention and 3 months thereafter. Cranial magnetic resonance imaging (MRI) was carried out post-intervention. In addition, there was a systematic assessment of delirium during the hospital stay.
resultsThe study cohort (mean age 71.8 years, 32% female) consisted of SAVR (n = 13) and TAVI (n = 18) patients. In the SAVR group, subsyndromal delirium was more common (54 vs. 11%, p = 0.017; OR = 8.58), visual recognition ability was worse (mean difference (MD) = - 0.6 vs. + 0.3, p = 0.036, η
conclusionIn this small, exploratory sample, SAVR showed a trend toward less favorable neuropsychological outcomes compared with TAVI in patients with low-to-intermediate surgical risk.
trial registrationClinicalTrials.gov Identifier: NCT04535076. 27 August 2020 (retrospectively registered).
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