"The lion, the witch and the wardrobe": impact on sibs of individuals with AAT deficiency

American Journal of Medical Genetics. Part a
J H Fanos, Charlie Strange

Abstract

Alpha(1)-antitrypsin (AAT) deficiency is a genetic disorder that may cause serious pulmonary or liver impairment in children or adults. Although genetic sequencing of the AAT gene has only been available for 20 years, analysis of the amount and electrophoretic mobility of the AAT protein has allowed clinical phenotyping for more than 40 years. There have been no studies assessing the psychological impact of having a sib affected by AAT deficiency. Twenty-five participants drawn from the Alpha-1 Research Registry completed a questionnaire and semi-structured interview. Respondents were supportive of testing prior to adulthood for AAT status; 18 thought it was a good idea to test a child, three did not know, and four said children should not be tested, primarily citing insurance concerns. Of those 18 who stated it was a good idea, 14 would test at birth. Knowledge of genetics of AAT deficiency was limited; only 44% of respondents understood the inheritance pattern. We recommend: (1) parents and sibs need help in mourning the loss of children with AAT deficiency; young sibs are at risk for trauma and long-term developmental problems. (2) Teams evaluating donors for liver transplantation should be aggressive in ruling out AAT defic...Continue Reading

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Citations

Feb 17, 2006·Genetics in Medicine : Official Journal of the American College of Medical Genetics·Joanna H FanosThomas J Musci
Apr 4, 2009·The Journal of Pediatrics·Joanna H FanosWilliam H Edwards

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