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Late onset neonatal anaemia due to maternal anti-Kp(b) induced haemolytic disease of the newborn.
MedLine Citation:
PMID:  23089052     Owner:  NLM     Status:  Publisher    
BACKGROUND: Alloanti-Kp(b) is a rare, clinically significant antibody against high frequency red cell antigen Kp(b) of Kell blood group system. We report here a case of Haemolytic disease of newborn (HDN) due to anti-Kp(b), which manifested as severe anaemia at the age of 1 month. AIM: To diagnose and successfully manage anti-Kp(b) induced HDN. METHODOLOGY: Direct antiglobulin test (DAT), antigen typing, irregular antibody screening and identification were done by polyspecific LISS Coombs Gel card and standard methods. RESULTS: At presentation the neonate had severe anemia with reticulocytopenia. Blood group was B, Rh D positive and DAT was 2+. Anti-Kp(b) was detected in mother's serum. Due to unavailability of Kp(b) negative red cells and incompatible blood group of mother (A(1)B Rh D positive) infant was transfused group B Rh D, Kp(b) positive PRBCs under steroid cover. He was symptom free at 4 months of age and DAT became negative at 6 months. CONCLUSION: Anti-Kp(b) is capable of causing severe late HDN. Infants born to irregular antibody positive mothers should be investigated and closely monitored for several weeks after birth for immune HDN even if asymptomatic at birth.
Priti Elhence; Deepti Sachan; Anupam Verma; Archana Kumar; Rajendra Chaudhary
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-19
Journal Detail:
Title:  Transfusion and apheresis science : official journal of the World Apheresis Association : official journal of the European Society for Haemapheresis     Volume:  -     ISSN:  1473-0502     ISO Abbreviation:  Transfus. Apher. Sci.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101095653     Medline TA:  Transfus Apher Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Dept. of Transfusion Medicine, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India. Electronic address:
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