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Update on congenital heart disease and sudden infant/perinatal death: from history to future trends
  1. Giulia Ottaviani1,2,
  2. L Maximilian Buja1
  1. 1Department of Pathology and Laboratory Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, Texas, USA
  2. 2Department of Biomedical, Surgical and Dental Sciences, Lino Rossi” Research Center for the Study and Prevention of Unexpected Perinatal Death and Sudden Infant Death Syndrome (SIDS), University of Milan, Milan, Italy
  1. Correspondence to Prof Giulia Ottaviani, “Lino Rossi” Research Center for the Study and Prevention of Unexpected Perinatal Death and SIDS, Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Via della Commenda, 19, Milano 20122, Italy; Giulia.Ottaviani{at}unimi.it

Abstract

During the 20th century, expert pathologists contributed an in-depth characterisation of the anatomical pathology and associated pathophysiology of congenital heart disease (CHD). Starting in the 1970s, the reported CHD birth prevalence has been increasing, owing to advances in diagnostic methods. Over the years, surgical treatments have been associated with an enormous reduction of CHD mortality. Advances also have been made in understanding the developmental biology and molecular pathogenesis of CHD. In developed countries, sudden infant death syndrome (SIDS) is the most frequent form of death during the first year of life, with a death rate of 0.42 every 1000 births. Unexpected stillbirth has a six- to eightfold greater incidence than that of SIDS and remains unexplained in 40–80% of cases even after autopsy. Specific environmental risk factors, such as maternal smoking, air and water pollution, food contamination, pesticides, etc, can interact with the genetic constitution in complex ways, which may lead to polymorphisms and/or mutations of specific genes, such as polymorphisms in the serotonin transporter gene 5-HTT, the regulator of the synaptic serotonin concentration. Current directions of research in this area are reviewed.

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Footnotes

  • Handling editor Dhirendra Govender.

  • Contributors GO: wrote the historical part of sudden unexpected infant/perinatal death described in the manuscript, and took primary responsibility for the manuscript's completion and submission. LMB: wrote the historical part of congenital heart disease described in the manuscript and supervised the design and execution of the study.

  • Competing interests None declared.

  • Ethics approval Institutional review board of the Lino Rossi Research Center, University of Milan, Italy.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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