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[Congenital malformations in Chile. An emerging problem (period 1995-1999)].

J Nazer1, T Aravena, L Cifuentes

  • 1Unidad de Neonatología, Hospital Clínico Universidad de Chile, Servicio de Genética, Departamento de Medicina, Hospital Clínico e Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile.

Revista Medica De Chile
|October 30, 2001
PubMed
Summary

Congenital malformations show an increasing trend in Chile, correlating with maternal age. Specific defects like anencephaly and spina bifida are more frequent in certain regions, with prenatal diagnoses rising.

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Area of Science:

  • Epidemiology
  • Public Health
  • Pediatrics

Context:

  • The Latin American Collaborative Study of Congenital Malformations (ECLAMC) monitors congenital anomalies.
  • Surveillance programs are crucial for detecting changes in malformation frequencies and implementing prevention.

Purpose:

  • To construct a secular trend curve for congenital malformation frequency in Chile.
  • To analyze the relationship between congenital malformations and maternal age over time.

Summary:

  • Between 1982 and 1999, a significant secular trend was observed in congenital malformations and maternal age (r=0.8, p<0.05).
  • Congenital malformation rates were highest at the University of Chile Clinical Hospital compared to other Chilean and Latin American hospitals.
  • Regional variations in specific defects (anencephaly, spina bifida) and an increase in prenatally diagnosable malformations were noted.

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Impact:

  • Congenital malformations represent a growing cause of newborn morbidity and mortality.
  • Findings highlight the need for continued surveillance and targeted prevention strategies.
  • Understanding regional and temporal trends is vital for resource allocation and public health interventions.