Michelle Gurvitz1, Julie E Dunn2, Ami Bhatt3, Wendy M Book4, Jill Glidewell5, Carol Hogue4, Angela E Lin6, George Lui7, Claire McGarry8, Cheryl Raskind-Hood4, Alissa Van Zutphen9, Ali Zaidi10, Kathy Jenkins11, Tiffany Riehle-Colarusso5. 1. Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts. Electronic address: Michelle.gurvitz@cardio.chboston.org. 2. Massachusetts Department of Public Health, Boston, Massachusetts. 3. Department of Cardiology, Massachusetts General Hospital, Boston, Massachusetts. 4. Department of Cardiology, Emory University, Atlanta, Georgia. 5. Centers for Disease Control and Prevention, National Center on Birth Defects and Developmental Disabilities, Atlanta, Georgia. 6. Medical Genetics, MassGeneral Hospital for Children, Boston, Massachusetts. 7. Department of Medicine, Stanford University School of Medicine, Stanford, California. 8. New York State Department of Health, Albany, New York. 9. New York State Department of Health, Albany, New York; Department of Epidemiology, University at Albany School of Public Health, Rensselaer, New York. 10. Department of Medicine, Albert Einstein College of Medicine, Bronx, New York. 11. Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.
Abstract
BACKGROUND: In the United States, >1 million adults are living with congenital heart defects (CHDs), but gaps exist in understanding the health care needs of this growing population. OBJECTIVES: This study assessed the demographics, comorbidities, and health care use of adults ages 20 to 64 years with CHDs. METHODS: Adults with International Classification of Disease-9th Revision-Clinical Modification CHD-coded health care encounters between January 1, 2008 (January 1, 2009 for Massachusetts) and December 31, 2010 were identified from multiple data sources at 3 U.S. sites: Emory University (EU) in Atlanta, Georgia (5 counties), Massachusetts Department of Public Health (statewide), and New York State Department of Health (11 counties). Demographics, insurance type, comorbidities, and encounter data were collected. CHDs were categorized as severe or not severe, excluding cases with isolated atrial septal defect and/or patent foramen ovale. RESULTS: CHD severity and comorbidities varied across sites, with up to 20% of adults having severe CHD and >50% having ≥1 additional cardiovascular comorbidity. Most adults had ≥1 outpatient encounters (80% EU, 90% Massachusetts, and 53% New York). Insurance type differed across sites, with Massachusetts having a large proportion of Medicaid (75%) and EU and New York having large proportions of private insurance (44% EU, 67% New York). Estimated proportions of adults with CHD-coded health care encounters varied greatly by location, with 1.2 (EU), 10 (Massachusetts), and 0.6 (New York) per 1,000 adults based on 2010 census data. CONCLUSIONS: This was the first surveillance effort of adults with CHD-coded inpatient and outpatient health care encounters in 3 U.S. geographic locations using both administrative and clinical data sources. This information will provide a clearer understanding of health care use in this growing population.
BACKGROUND: In the United States, >1 million adults are living with congenital heart defects (CHDs), but gaps exist in understanding the health care needs of this growing population. OBJECTIVES: This study assessed the demographics, comorbidities, and health care use of adults ages 20 to 64 years with CHDs. METHODS: Adults with International Classification of Disease-9th Revision-Clinical Modification CHD-coded health care encounters between January 1, 2008 (January 1, 2009 for Massachusetts) and December 31, 2010 were identified from multiple data sources at 3 U.S. sites: Emory University (EU) in Atlanta, Georgia (5 counties), Massachusetts Department of Public Health (statewide), and New York State Department of Health (11 counties). Demographics, insurance type, comorbidities, and encounter data were collected. CHDs were categorized as severe or not severe, excluding cases with isolated atrial septal defect and/or patent foramen ovale. RESULTS: CHD severity and comorbidities varied across sites, with up to 20% of adults having severe CHD and >50% having ≥1 additional cardiovascular comorbidity. Most adults had ≥1 outpatient encounters (80% EU, 90% Massachusetts, and 53% New York). Insurance type differed across sites, with Massachusetts having a large proportion of Medicaid (75%) and EU and New York having large proportions of private insurance (44% EU, 67% New York). Estimated proportions of adults with CHD-coded health care encounters varied greatly by location, with 1.2 (EU), 10 (Massachusetts), and 0.6 (New York) per 1,000 adults based on 2010 census data. CONCLUSIONS: This was the first surveillance effort of adults with CHD-coded inpatient and outpatient health care encounters in 3 U.S. geographic locations using both administrative and clinical data sources. This information will provide a clearer understanding of health care use in this growing population.
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