Abstract:
BACKGROUND:Incidence and long-term clinical consequences of prosthesis-patient mismatch (PPM) after transcatheter aortic valve replacement (TAVR) are still unclear. METHODS:We enrolled 710 consecutive patients who underwent TAVR. PPM was defined as absent if the index orifice area (iEOA) was >0.85 cm2/m2, moderate if the iEOA was between 0.65 and 0.85 cm2/m2 or severe if the iEOA was <0.65 cm2/m2. RESULTS:Among the 566 patients fulfilling the study criteria, the distribution of PPM was as follows: 50.5% none (n = 286), 43% moderate PPM (n = 243) and 6.5% severe PPM (n = 37). At 5-year follow-up, patients with severe PPM had a significantly higher incidence of the combined endpoint of cardiovascular death, acute myocardial infarction and stroke (p = .025) compared with the other patients. After adjusting the results for possible confounders, severe PPM remained an independent predictor of long-term adverse outcome (HR: 2.46; 95% Confidence Interval: 1.10-5.53). The independent predictors of severe PPM were valve-in-valve procedure and body mass index. Balloon-expandable valves were not associated with higher rates of severe PPM in comparison with self-expandable valves (8% vs. 5%, respectively, p = .245). CONCLUSIONS:In our study severe PPM emerged as a risk factor for long-term major adverse cardiac and cerebrovascular events.
journal_name
Int J Cardioljournal_title
International journal of cardiologyauthors
Compagnone M,Marchetti G,Taglieri N,Ghetti G,Bruno AG,Orzalkiewicz M,Marrozzini C,Bacchi Reggiani ML,Palmerini T,Galiè N,Saia Fdoi
10.1016/j.ijcard.2020.06.033subject
Has Abstractpub_date
2020-11-01 00:00:00pages
27-31eissn
0167-5273issn
1874-1754pii
S0167-5273(20)33411-2journal_volume
318pub_type
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journal_title:International journal of cardiology
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pub_type: 信件,随机对照试验
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