PERCUTANEOUS UMBILICAL BLOOD-SAMPLING AND UMBILICAL VEIN TRANSFUSIONS - RAPID SEROLOGIC DIFFERENTIATION OF FETAL BLOOD FROM MATERNAL BLOOD

被引:3
作者
STEINER, EA
JUDD, WJ
OBERMAN, HA
HAYASHI, RH
NUGENT, CE
机构
[1] UNIV MICHIGAN,SCH MED,DEPT PATHOL,ANN ARBOR,MI 48104
[2] UNIV MICHIGAN,SCH MED,DEPT OBSTET & GYNECOL,ANN ARBOR,MI 48104
关键词
D O I
10.1046/j.1537-2995.1990.30290162893.x
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Percutaneous umbilical blood samples (PUBS), obtained under ultrasound guidance, are used for prenatal diagnosis and management of hemolytic disease of the newborn (HDN) and other fetal disorders. Rapid testing at the time of sampling is vital to distinguish fetal from maternal blood. Blood typing was performed by slide technique in the treatment room during 38 procedures on 25 patients. Anti‐l was used to test 50 presumed PUBS; venous l‐positive maternal blood was tested in parallel. Because anti‐l cannot detect fetal blood after umbilical vein transfusion (UVT) of l‐positive donor blood, ABO and Rh blood typing reagents were used to test 29 samples when maternal and fetal or donor blood groups differed. Monoclonal reagents were used for optimal detection of weak AB antigens in fetal blood. Avid, chemically modified anti‐D was used for Rh typing. Blood typing showed 27 (34%) of 79 samples to be maternal blood. Fetal blood was obtained in 8 of 10 cases investigated for fetal disorder and in 16 cases of potential HDN (anti‐D, 5; ‐CD, 5; ‐cE, 2; ‐K, 2; ‐c; ‐E). The absence of HDN (antigen‐negative fetus) was determined in 4 cases. UVT afforded live birth of 9 of 10 infants with HDN and was not indicated in two cases 1990 AABB
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页码:104 / 108
页数:5
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