Assessment of the clinical usefulness of the ‘Queenan’ chart versus the ‘Liley’ chart in predicting severity of rhesus iso-immunization

Scott, Fergus; Chan, Felicia

doi:10.1002/(sici)1097-0223(199811)18:11<1143::aid-pd420>3.0.co;2-t

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Amniotic Fluid Analysis1

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1999

2019

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Cited by 18 publications

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“…Currently, cordocentesis is the only reliable means of assessing the fetal condition accurately prior to 27 weeks. In 1993, Queenan proposed a chart showing delta OD450 from 14 to 40 weeks, with four zones to guide management [100]. Some of the pathophysiological changes in the fetus due to anemia could be shown using ultrasound [6].…”

Section: Amniotic Fluid Analysismentioning

confidence: 99%

Hemolytic Disease of the Fetus and Newborn

Das¹

2019

Blood Groups

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Hemolytic disease of the fetus and newborn (HDFN) also called as "erythroblastosis fetalis" is characterized by the increased rate of red blood cells (RBCs) destruction. Hemolysis should always be investigated even if the anemia is mild and apparently trivial. The principle clues which suggest hemolytic anemia includes: increased number of reticulocytes and/or circulating nucleated RBCs, unconjugated hyperbilirubinemia, a positive direct antiglobulin test and characteristic changes in red cells in the blood films. Based on etiology, hemolysis in newborn can be immune or non-immune mediated. The immune-mediated hemolysis due to blood group incompatibility between the mother and the fetus is the main cause of HDFN.

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Section: Amniotic Fluid Analysismentioning

confidence: 99%