Racial disparities in the use of catheter ablation for atrial fibrillation and flutter

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Background: Atrial fibrillation (AF) is the most common arrhythmia seen in clinical practice. Catheter ablation is an expensive but potentially curable treatment of AF. We explored differences in the use of catheter ablation for AF in the state of Florida and compared the findings to ablation for atrial flutter.

Methods: We conducted a cross-sectional analysis of all ambulatory and hospital discharge procedures between 2006 and 2009 in Florida. We identified all subjects with AF and atrial flutter, using International Classification of Diseases, 9th Revision codes along with the race/ethnicity of each individual. We used logistic regression to determine the odds ratio (OR) of having a catheter ablation per disease by race and ethnicity adjusted for Charlson score, insurance status, year of the procedure, and facility location.

Results: We identified 923 590 subjects with AF and 28 714 with atrial flutter. Catheter ablations were more commonly used in atrial flutter than in AF. The adjusted OR of having catheter ablation for AF for blacks was 0.67 (95% confidence interval [CI]: 0.60-0.75, P < 0.01), and for Hispanics it was 0.83 (95% CI: 0.75-0.91, P < 0.01) when compared to whites. The adjusted OR of having an ablation for atrial flutter for blacks was 1.08 (95% CI: 0.96-1.21, P = 0.16), and for Hispanics it was 0.90 (95% CI: 0.78-1.08, P = 0.20) when compared to whites.

Conclusions: In the state of Florida, black and Hispanic subjects with AF received less catheter ablations, whereas the same minority subjects with atrial flutter received a similar number of ablations compared to white subjects, with the same insurance and comorbidity burden.

Original languageEnglish
Pages (from-to)733-737
Number of pages5
JournalClinical Cardiology
Volume37
Issue number12
DOIs
StatePublished - Jan 1 2014

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Atrial Flutter
Catheter Ablation
Atrial Fibrillation
Hispanic Americans
Confidence Intervals
Odds Ratio
Insurance Coverage
International Classification of Diseases
Insurance
Comorbidity
Cardiac Arrhythmias
Cross-Sectional Studies
Logistic Models

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Racial disparities in the use of catheter ablation for atrial fibrillation and flutter. / Tamariz, Leonardo; Rodriguez, Alexis; Palacio, Ana M; Li, Hua; Myerburg, Robert J.

In: Clinical Cardiology, Vol. 37, No. 12, 01.01.2014, p. 733-737.

Research output: Contribution to journalArticle

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abstract = "Background: Atrial fibrillation (AF) is the most common arrhythmia seen in clinical practice. Catheter ablation is an expensive but potentially curable treatment of AF. We explored differences in the use of catheter ablation for AF in the state of Florida and compared the findings to ablation for atrial flutter.Methods: We conducted a cross-sectional analysis of all ambulatory and hospital discharge procedures between 2006 and 2009 in Florida. We identified all subjects with AF and atrial flutter, using International Classification of Diseases, 9th Revision codes along with the race/ethnicity of each individual. We used logistic regression to determine the odds ratio (OR) of having a catheter ablation per disease by race and ethnicity adjusted for Charlson score, insurance status, year of the procedure, and facility location.Results: We identified 923 590 subjects with AF and 28 714 with atrial flutter. Catheter ablations were more commonly used in atrial flutter than in AF. The adjusted OR of having catheter ablation for AF for blacks was 0.67 (95{\%} confidence interval [CI]: 0.60-0.75, P < 0.01), and for Hispanics it was 0.83 (95{\%} CI: 0.75-0.91, P < 0.01) when compared to whites. The adjusted OR of having an ablation for atrial flutter for blacks was 1.08 (95{\%} CI: 0.96-1.21, P = 0.16), and for Hispanics it was 0.90 (95{\%} CI: 0.78-1.08, P = 0.20) when compared to whites.Conclusions: In the state of Florida, black and Hispanic subjects with AF received less catheter ablations, whereas the same minority subjects with atrial flutter received a similar number of ablations compared to white subjects, with the same insurance and comorbidity burden.",
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N2 - Background: Atrial fibrillation (AF) is the most common arrhythmia seen in clinical practice. Catheter ablation is an expensive but potentially curable treatment of AF. We explored differences in the use of catheter ablation for AF in the state of Florida and compared the findings to ablation for atrial flutter.Methods: We conducted a cross-sectional analysis of all ambulatory and hospital discharge procedures between 2006 and 2009 in Florida. We identified all subjects with AF and atrial flutter, using International Classification of Diseases, 9th Revision codes along with the race/ethnicity of each individual. We used logistic regression to determine the odds ratio (OR) of having a catheter ablation per disease by race and ethnicity adjusted for Charlson score, insurance status, year of the procedure, and facility location.Results: We identified 923 590 subjects with AF and 28 714 with atrial flutter. Catheter ablations were more commonly used in atrial flutter than in AF. The adjusted OR of having catheter ablation for AF for blacks was 0.67 (95% confidence interval [CI]: 0.60-0.75, P < 0.01), and for Hispanics it was 0.83 (95% CI: 0.75-0.91, P < 0.01) when compared to whites. The adjusted OR of having an ablation for atrial flutter for blacks was 1.08 (95% CI: 0.96-1.21, P = 0.16), and for Hispanics it was 0.90 (95% CI: 0.78-1.08, P = 0.20) when compared to whites.Conclusions: In the state of Florida, black and Hispanic subjects with AF received less catheter ablations, whereas the same minority subjects with atrial flutter received a similar number of ablations compared to white subjects, with the same insurance and comorbidity burden.

AB - Background: Atrial fibrillation (AF) is the most common arrhythmia seen in clinical practice. Catheter ablation is an expensive but potentially curable treatment of AF. We explored differences in the use of catheter ablation for AF in the state of Florida and compared the findings to ablation for atrial flutter.Methods: We conducted a cross-sectional analysis of all ambulatory and hospital discharge procedures between 2006 and 2009 in Florida. We identified all subjects with AF and atrial flutter, using International Classification of Diseases, 9th Revision codes along with the race/ethnicity of each individual. We used logistic regression to determine the odds ratio (OR) of having a catheter ablation per disease by race and ethnicity adjusted for Charlson score, insurance status, year of the procedure, and facility location.Results: We identified 923 590 subjects with AF and 28 714 with atrial flutter. Catheter ablations were more commonly used in atrial flutter than in AF. The adjusted OR of having catheter ablation for AF for blacks was 0.67 (95% confidence interval [CI]: 0.60-0.75, P < 0.01), and for Hispanics it was 0.83 (95% CI: 0.75-0.91, P < 0.01) when compared to whites. The adjusted OR of having an ablation for atrial flutter for blacks was 1.08 (95% CI: 0.96-1.21, P = 0.16), and for Hispanics it was 0.90 (95% CI: 0.78-1.08, P = 0.20) when compared to whites.Conclusions: In the state of Florida, black and Hispanic subjects with AF received less catheter ablations, whereas the same minority subjects with atrial flutter received a similar number of ablations compared to white subjects, with the same insurance and comorbidity burden.

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