Key result
TAVI is linked to increased cerebral tissue oxygen saturation, rising from ~65% to 68%.
Why the study?
The study aimed to evaluate whether a relevant alteration in cerebral tissue oxygen saturation (rSO2) could be detected following TAVI.
Does TAVI improve cerebral tissue oxygen saturation (rSO2) in patients undergoing the procedure?
Population
275 patients undergoing TAVI between October 2016 and December 2020
Comparison
Post-TAVI vs pre-TAVI
Design
Retrospective data analysis
Authors
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TAVI was associated with higher cerebral rSO2, greatest at low baseline; leaves open clinical relevance and need for randomized confirmation.
Cohort (n=275)
No
Does TAVI improve cerebral tissue oxygen saturation (rSO2) in patients undergoing the procedure?
Absolute Event Rate: 68.1% vs 64.6%
p-value: p=<0.01
TAVI significantly improves cerebral tissue oxygen saturation, particularly in patients with low preoperative baseline values (<60%).
Schmidt et al. (2022) conducted a cohort in Aortic valve stenosis (n=275). Transcatheter aortic valve implantation vs. Preoperative baseline was evaluated on Cerebral tissue oxygen saturation (rSO2) (p=<0.01). Transcatheter aortic valve implantation significantly increased cerebral tissue oxygen saturation from 64.6% to 68.1% (p < 0.01), particularly in patients with preoperative baseline values below 60%.
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