Structural Heart
TAVR techniques, outcomes, and patient selection
Synthesized from 132 evidence-backed clinical questions linked to this topic — 10 supporting the intervention, 10 against the intervention, 2 still contested.
Does tavi vs placebo improve outcomes in Aortic Valve Stenosis?
Low Certainty− Favors harmtavi vs placebo
3 studies (324,731 patients) provide low-certainty evidence against benefit of tavi for the outcome in Aortic Valve Stenosis.
Does tavr vs placebo improve outcomes in Aortic stenosis, severe?
Low Certainty− Favors harmtavr vs placebo
15 studies (265,791 patients) provide low-certainty evidence against benefit of tavr for the outcome in Aortic stenosis, severe.
Does transcatheter aortic valve replacement (tavr) vs placebo improve outcomes in Aortic stenosis, severe?
Low Certainty− Favors harmtranscatheter aortic valve replacement (tavr) vs placebo
5 studies (235,500 patients) provide low-certainty evidence against benefit of transcatheter aortic valve replacement (tavr) for the outcome in Aortic stenosis, severe.
Does transcatheter aortic valve replacement vs placebo improve outcomes in Aortic valve disorder?
Low Certainty+ Favors benefittranscatheter aortic valve replacement vs placebo
3 studies (62,288 patients) provide low-certainty evidence for benefit of transcatheter aortic valve replacement for the outcome in Aortic valve disorder.
Does transcatheter aortic valve implantation (tavi) vs placebo improve outcomes in Aortic Valve Stenosis?
Low Certainty+ Favors benefittranscatheter aortic valve implantation (tavi) vs placebo
3 studies (44,597 patients) provide low-certainty evidence for benefit of transcatheter aortic valve implantation (tavi) for the outcome in Aortic Valve Stenosis.
Does tavi in later periods (2021-2024) vs placebo improve outcomes in Aortic valve disorder?
Low Certainty+ Favors benefittavi in later periods (2021-2024) vs placebo
2 studies (38,904 patients) provide low-certainty evidence for benefit of tavi in later periods (2021-2024) for the outcome in Aortic valve disorder.
Does tavr vs placebo improve outcomes in Aortic Valve Stenosis?
Insufficient~ Mixed resultstavr vs placebo
12 studies (43,714 patients) provide insufficient evidence with mixed findings regarding tavr for the outcome in Aortic Valve Stenosis.
Does tavi vs placebo improve outcomes in Aortic valve disorder?
Insufficient~ Mixed resultstavi vs placebo
2 studies (1,347 patients) provide insufficient evidence with mixed findings regarding tavi for the outcome in Aortic valve disorder.
Emerging evidence with 6 primary claims
Specific, answerable questions in this area — each with its own synthesized evidence and consensus. Open one to see the forest plot, source trials, and how the consensus has changed over time.
Does tavr vs placebo improve All-Cause Mortality in Aortic Valve Stenosis?
Low Certainty− Favors harmtavr vs placebo · All-Cause Mortality
Does tavr vs placebo improve All-Cause Mortality in symptomatic severe aortic stenosis?
Low Certainty− Favors harmtavr vs placebo · All-Cause Mortality
Questions where the synthesized consensus has shifted as new trials were indexed.
Left ventricular global work index and prediction of cardiovascular mortality after transcatheter aortic valve implantation
International Journal of Cardiology — Anwer S — Dec 2023
Early and late outcomes after trans-catheter aortic valve implantation in patients with previous chest radiation
Heart — Bouleti C — Feb 2016
Impact of Preexisting Left Bundle Branch Block in Transcatheter Aortic Valve Replacement Recipients
Circulation Cardiovascular Interventions — Fischer Q — Nov 2018
Outcome of patients with heart failure after transcatheter aortic valve implantation
PLoS ONE — Fischer‐Rasokat U — Nov 2019
Cardiac resynchronisation therapy for reversal of new-onset left bundle branch block and heart failure after surgical aortic valve replacement
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Transcatheter aortic valve replacement (also known as TAVR, TAVI, transcatheter aortic valve implantation). TAVR techniques, outcomes, and patient selection
Synapse tracks 3 specific clinical questions in Transcatheter aortic valve replacement, each synthesized independently from its own trial evidence. They include: "Does tavr vs placebo improve All-Cause Mortality in Aortic Valve Stenosis?"; "Does tavr vs placebo improve All-Cause Mortality in symptomatic severe aortic stenosis?"; "Does rotavirus vaccine vs placebo improve outcomes in Rotavirus Infections?".
As of 2026-08-15, the scientific consensus on Transcatheter aortic valve replacement is emerging. Emerging evidence with 6 primary claims Based on 6 analyzed claims across Synapse's enriched corpus, the evidence shows.
This evidence brief synthesizes Synapse's enriched cardiology corpus; cite as synapsesocial.com/topics/transcatheter-aortic-valve-replacement.
Deterministic synthesis from Synapse's enriched corpus — 115 words. No AI-generated novel content; every figure is sourced from the underlying paper, guideline, or trial record linked on this page.
Explore every Transcatheter aortic valve replacement paper on Synapse with AI-enriched clinical evidence, PICO analysis, and methodology classification.
Search Transcatheter aortic valve replacement papersPowered by Synapse — AI-enriched analysis of 600,000+ peer-reviewed papers
BMJ Case Reports — Kalsi M — Dec 2020