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Representativeness of the German National Register for Congenital Heart Defects: a clinically oriented analysis

  • Paul C. Helm (a1), Marc-André Koerten (a1), Hashim Abdul-Khaliq (a1) (a2), Helmut Baumgartner (a1) (a3), Deniz Kececioglu (a1) (a4) and Ulrike M. M. Bauer (a1) (a5)...
Abstract
Background

Approximately 6000 children are born with CHD in Germany each year. It is increasingly rare that these children die from their chronic illness. In the present study, data recorded in the National Register for Congenital Heart Defects with respect to the prevalence of specific lesions and sex distribution are compared with that recorded in a published German prevalence study (Prevalence Study) and with the meta-analysis by van der Linde et al.

Methods

A descriptive data analysis was performed using a minimal data set. The demographic data included sex and birth year; the medical data comprised the cardiovascular diagnosis according to the short list of the International Paediatric and Congenital Cardiac Code.

Results

As the data analysis shows, the National Register is a clinical register including primarily clinical cases/cases relevant to healthcare. The prevalence values and sex ratios recorded in the register are closer to the values given in the literature than those determined by the Prevalence Study. Severe CHD was slightly over-represented in the National Register compared with the van der Linde et al meta-analysis. The deviations with respect to prevalence values are within an acceptable range.

Conclusion

With its 48,000 patients, the National Register plays a unique and important role for research in the field of CHD. Samples from the National Register can be used as a gold standard for future studies, as the patient population registered in it can be considered representative of CHD in Germany and Europe.

Copyright
Corresponding author
Correspondence to: Dr U. M. M. Bauer, Kompetenznetz Angeborene Herzfehler e. V., Augustenburger Platz 1, 13353 Berlin, Germany. Tel: +49 304 593 7277; Fax: +49 304 593 7278; E-mail: ubauer@kompetenznetz-ahf.de
References
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Cardiology in the Young
  • ISSN: 1047-9511
  • EISSN: 1467-1107
  • URL: /core/journals/cardiology-in-the-young
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