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Racial and Ethnic Disparities in the Use and Outcomes of Transcatheter Mitral Valve Replacement: Analysis From the
Mahmoud Ismayl1, Muhannad Aboud Abbasi2, Abdullah Al-Abcha2
1Department of Internal Medicine Creighton University School of Medicine Omaha NE.
Journal of the American Heart Association
|March 28, 2023
Summary
Transcatheter mitral valve replacement (TMVR) outcomes were similar across racial and ethnic groups between 2016-2020. Black patients experienced higher vascular complications, warranting further study.
Area of Science:
- Cardiology
- Health Disparities
- Interventional Cardiology
Background:
- Racial and ethnic disparities are documented in cardiac procedures.
- Transcatheter mitral valve replacement (TMVR) is an emerging alternative for high-risk patients.
- TMVR outcomes by race and ethnicity remain largely unknown.
Purpose of the Study:
- To investigate racial and ethnic disparities in TMVR outcomes.
- To compare in-hospital mortality and procedural complications among different racial and ethnic groups undergoing TMVR.
Main Methods:
- Analysis of the National Inpatient Sample database (2016-2020).
- Inclusion of hospitalizations for TMVR.
- Logistic regression models used to determine racial and ethnic disparities in outcomes.
Main Results:
- 5005 TMVR hospitalizations identified; 76.7% White, 10.1% Black, 6.3% Hispanic.
- No significant differences in in-hospital mortality or most procedural complications between White, Black, and Hispanic patients.
- Adjusted vascular complications were higher in Black patients compared to White patients (P=0.03).
- TMVR utilization increased across all groups from 2016-2020.
Conclusions:
- Black and Hispanic patients had similar in-hospital outcomes to White patients undergoing TMVR between 2016-2020.
- An exception was higher vascular complications observed in Black patients.
- Further comparative studies are needed to confirm these findings and explore underlying reasons.
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