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[Chromosome abnormalities and congenital heart diseases: a retrospective on 49 cases]

Lin Zhang1, Xiao-hong Zhang, Mei-hong Ren

  • 1The Center of Prenatal Diagnosis, Beijing University People's Hospital, Beijing 100044, China.

Sichuan Da Xue Xue Bao. Yi Xue Ban = Journal of Sichuan University. Medical Science Edition
|May 29, 2010
PubMed

Insights

Congenital heart diseases are frequently linked to chromosome abnormalities. Prenatal testing for chromosomal issues can help identify these conditions early.

Area of Science:

  • Genetics
  • Developmental Biology
  • Medical Diagnostics

Background:

  • Congenital heart diseases (CHDs) represent a significant global health concern.
  • Understanding the genetic underpinnings of CHDs is crucial for diagnosis and management.
  • Chromosome abnormalities are known risk factors for various congenital disorders.

Purpose of the Study:

  • To examine the relationship between congenital heart diseases and chromosomal abnormalities.
  • To identify specific chromosome abnormalities associated with different types of CHDs.

Main Methods:

  • A retrospective study of 49 patients diagnosed with CHDs between January 2006 and December 2009.
  • Patients underwent chromosome examinations at the Center of Prenatal Diagnosis, Beijing University People's Hospital.
  • Analysis of the association between chromosome karyotypes and specific CHD types.

Main Results:

  • Chromosome abnormalities were detected in a significant portion of CHD patients.
  • Common abnormalities included trisomy 21 (Down syndrome), trisomy 18 (Edwards syndrome), and trisomy 13 (Patau syndrome).
  • Other findings included sex chromosomal abnormalities, triploidy, and partial trisomies, each linked to specific CHD presentations.

Conclusions:

  • A strong association exists between congenital heart diseases and chromosome abnormalities.
  • Distinct abnormal karyotypes correlate with specific types of CHDs.
  • Prenatal chromosome examination is a valuable tool for detecting CHDs.
Abstract

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