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Comment & Response
November 2017

Natural and Unnatural History

Author Affiliations
  • 1Division of Pediatric Cardiology, University of California, San Francisco, San Francisco
JAMA Intern Med. 2017;177(11):1691-1692. doi:10.1001/jamainternmed.2017.4818

To the Editor The Original Investigation by Mandalenakis et al1 published in a recent issue of JAMA Internal Medicine, aims to investigate the survivorship of children and young adults with congenital heart disease (CHD) in a Swedish national registry. Surgical outcomes have improved in the current era compared with the past, which has improved the overall natural history of all CHDs, including the complex CHDs.2