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Bol Med Hosp Infant Mex. 2018;75(3):160-165. doi: 10.24875/BMHIM.M18000023.

[Colorimetric card use for early detection visual biliary atresia].

[Article in Spanish; Abstract available in Spanish from the publisher]

Author information

Servicio de Gastroenterología. Ciudad de México, México.
Servicio de Unidad en Investigación en Epidemiología Clínica, Unidad Médica de Alta Especialidad Hospital de Pediatría Centro Médico Nacional Siglo XXI, Dr. Silvestre Frenk Freund. Ciudad de México, México.
Servicio de Gastroenterología, Hospital General del Centro Médico Nacional La Raza. Ciudad de México, México.
Área de control de niño sano y tamiz neonatal, Instituto Mexicano del Seguro Social. Ciudad de México, México.


in English, Spanish


Bile duct atresia (BVA) is a condition that causes obstruction to biliary flow, not corrected surgically, causes cirrhosis and death before 2 years of age. In Mexico from 2013 the visual colorimetric card (VVC) was incorporated for the timely detection of BVA to the National Health Card (NHC). The aim of this study was to evaluate the impact of VCT for the detection of BVA before and after the use of NHC incorporation.


Ambispective, analytical observational study. We included patients with AVB treated in two pediatric hospitals of third level care. We compared the age of reference, diagnosis and surgery before and after incorporation of the TCV. In addition, a questionnaire was made to the parents to know their perception about the TCV.


In 59 children, there were no differences in age at diagnosis (75 vs 70 days) and age at surgery (84 vs 90 days) between the pre and post-implementation period of the VVC. The questionnaire showed that 10 (30%) of the parents received information about the use of the VVC and 13 (38%) identified the abnormal evacuations.


This study did not show changes in time for the timely detection of BVA by using VVC. Therefore, it is necessary to reinforce the program in the three levels of care in our country.


Abnormal stools; Atresia de vías biliares; Biliary atresia; Detección oportuna; Early detection; Evacuaciones anormales


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