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[Successes and failures in rhesus-prophylaxis]
Wiener Medizinische Wochenschrift (1946)
|December 31, 1983
Summary
Hemolytic disease of the newborn (h.d.n.) due to Rh incompatibility occurs less frequently than previously reported. Rh prophylaxis effectiveness is limited by antibodies developing during pregnancy, necessitating further research into antepartum strategies.
Area of Science:
- Obstetrics and Gynecology
- Neonatology
- Immunology
Context:
- Review of historical data (1928-1963) on Rh hemolytic disease of the newborn (h.d.n.).
- Analysis of statistical data and correction of previously overestimated morbidity rates.
- Influence of maternal origin on h.d.n. frequency in the Viennese population.
Purpose:
- To critically analyze and correct international statistical data on h.d.n.
- To evaluate the effectiveness of postpartum Rh prophylaxis (Anti-D-IgG).
- To assess the incidence of Rh antibodies developing during and after pregnancy.
Summary:
- Corrected h.d.n. morbidity is 3-4 per 1000 newborns, not 6-7, influenced by maternal origin.
- 13.34% of h.d.n. cases involve Rh antibodies produced during pregnancy, limiting postpartum prophylaxis efficacy.
- Postpartum Rh prophylaxis reduced h.d.n. from 4.1 to 1.7 per 1000; true failure rate is 1.15 per 1000.
Impact:
- Identifies limitations of current postpartum Rh prophylaxis, highlighting the need to address antepartum antibody development.
- Suggests that widespread antepartum prophylaxis may be inefficient due to low incidence of preventable cases.
- Provides corrected epidemiological data for Rh hemolytic disease of the newborn, aiding future research and clinical practice.