Congenital rubella syndrome laboratory findings
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Dima Nimri, M.D. [2]
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Congenital Rubella Syndrome Microchapters |
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Differentiating Congenital Rubella Syndrome from other Diseases |
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Overview
Laboratory Findings
Prenatal Testing
Invasive Techniques
Several invasive techniques can be done during pregnancy, depending on the gestational age. These techniques include:[1][2][3][4][5]
| Technique | Timing/ Gestational age at which it is performed | Results | Complications |
|---|---|---|---|
| Amniocentesis | after 15 weeks |
|
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| Fetal blood sampling | after 18-20 weeks | ||
| Chorionic villus sampling | after 11 weeks |
Post-natal Testing
Isolation of Virus
Serological Testing
Serological testing for CRS involves testing for IgG or IgM antibodies against rubella or testing for IgG avidity. This can be done using ELISA, hemagglutinin inhibition (HI) or immunofluorescent antibody assay (IFA).[1][6]
References
- ↑ 1.0 1.1 De Santis M, Cavaliere AF, Straface G, Caruso A (2006). "Rubella infection in pregnancy". Reprod. Toxicol. 21 (4): 390–8. doi:10.1016/j.reprotox.2005.01.014. PMID 16580940.
- ↑ Morgan-Capner P, Hodgson J, Hambling MH, Dulake C, Coleman TJ, Boswell PA, Watkins RP, Booth J, Stern H, Best JM (1985). "Detection of rubella-specific IgM in subclinical rubella reinfection in pregnancy". Lancet. 1 (8423): 244–6. PMID 2857319.
- ↑ Ho-Terry L, Terry GM, Londesborough P, Rees KR, Wielaard F, Denissen A (1988). "Diagnosis of fetal rubella infection by nucleic acid hybridization". J. Med. Virol. 24 (2): 175–82. PMID 3351485.
- ↑ Terry GM, Ho-Terry L, Warren RC, Rodeck CH, Cohen A, Rees KR (1986). "First trimester prenatal diagnosis of congenital rubella: a laboratory investigation". Br Med J (Clin Res Ed). 292 (6525): 930–3. PMC 1339854. PMID 3083942.
- ↑ Valente P, Sever JL (1994). "In utero diagnosis of congenital infections by direct fetal sampling". Isr. J. Med. Sci. 30 (5–6): 414–20. PMID 8034496.
- ↑ Best JM, O'Shea S, Tipples G, Davies N, Al-Khusaiby SM, Krause A, Hesketh LM, Jin L, Enders G (2002). "Interpretation of rubella serology in pregnancy--pitfalls and problems". BMJ. 325 (7356): 147–8. PMC 1123673. PMID 12130613.