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Memorias del Instituto de Investigaciones en Ciencias de la Salud (Mem. Inst. Investig. Cienc. Salud) is the official publication of the Institute of Research in Health Sciences (IICS) of the National University of Asunción (UNA), Paraguay. It publishes original scientific contributions in clinical medicine, biomedical research, microbiology, molecular biology, dentistry, nursing, nutrition, public health, health biotechnology, genetics, biochemistry, and related disciplines. Founded in 1983, the journal adopted its current name in 2002 and has been published exclusively online since 2015, incorporating XML article dissemination as of 2024. Since 2023, it operates under a continuous publication model. The journal accepts manuscripts in Spanish and English as original research articles, reviews, case studies, and brief communications. All content is available in open access, free of charge for authors and readers, under the Creative Commons Attribution 4.0 International License, in accordance with the Budapest Open Access Initiative (BOAI). It is indexed in BVS, SciELO Paraguay, HINARI, LILACS, DOAJ, Latindex, MIAR, Dialnet, CiteFactor, Google Scholar, LivRe, BASE, EBSCO, and Web of Science – SciELO Citation Index. The journal is funded by IICS-UNA, supports the OAI-PMH protocol for metadata harvesting, and uses the LOCKSS system for digital preservation of its contents.

 
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Tetralogía de Fallot asociada a duplicación distal del brazo largo del cromosoma 11

Authors

  • Elodia Torres
  • Stella Rodríguez Author
  • Norma Monjagata Author

Keywords:

duplicación, trisomía, cromosoma 11q.

Abstract

La tetralogía de Fallot es una cardiopatía frecuente y puede representar hasta el 11 al 13% de todas las cardiopatías congénitas clínicas, se presenta en 1 de cada 8.500 nacidos vivos. En la mayoría de los casos, se asocia a una microdeleción del cromosoma 22 y con menor frecuencia al síndrome de Down. El síndrome de la dup 11q es una anomalía cromosómica causada por la duplicación de la porción distal del extremo del brazo largo del cromosoma 11, ocasionando una trisomía parcial del mismo, producto de un desbalance cromosómico, con disfunción de los genes involucrados en este material genético adicional que ocasiona anormalidades tanto físicas como mentales en un recién nacido. Se presenta el caso de un niño de 3 meses de vida que es derivado a la consulta genética por fenotipo sindromático, Tetralogía de Fallot y retraso del crecimiento. El estudio citogenético se realizó en sangre periférica, los cromosomas fueron procesados con técnicas de tinción convencional, bandas de alta resolución y centroméricas, observándose una duplicación 11q. Cariotipo: 46, XY, dup11 (q23àqter). Se enfatiza la importancia del estudio cromosómico en recién nacidos con malformaciones congénitas mayores para el diagnóstico de certeza y posterior asesoramiento genético a los progenitores.

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References

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Published

2015-04-01

Issue

Section

Case report

How to Cite

Torres, E., Rodríguez, S., & Monjagata, N. (2015). Tetralogía de Fallot asociada a duplicación distal del brazo largo del cromosoma 11. Memorias Del Instituto De Investigaciones En Ciencias De La Salud, 13(1). https://revistascientificas.una.py/index.php/RIIC/article/view/1799