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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Utility of βhCG monitoring in the follow-up of medical management of miscarriage
Australian and New Zealand Journal of Obstetrics and Gynaecology, Volume 57, No. 3, Year 2017
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Description
Objective: To evaluate the percentage change in total βeta-unit human chorionic gonadotropin (βhCG) levels (%ΔβhCG) in the prediction of treatment outcomes following intravaginal misoprostol for missed miscarriage before 13 weeks. Methods: A secondary analysis of a randomised controlled study of medical management of miscarriage was performed. Total βhCG levels were collected before misoprostol (baseline) and after a planned seven day interval (follow-up), when a transvaginal ultrasound (TVUS) reported a gestational sac as present or not. If no sac at TVUS, surgery was indicated on clinical criteria. %ΔβhCG ((baseline βhCG – follow-up βhCG)/baseline βhCG × 100) was evaluated in the prediction of a sac at TVUS and surgery on clinical criteria. Results: %ΔβhCG was calculated for cases with βhCG levels within two days of misoprostol and TVUS; calculation interval determined case number. The median %ΔβhCG for 24 cases with a persistent sac (6–9 day interval) was significantly lower than for 145 with no sac (58.75% (interquartile range (IQR): 37.59–76.69; maximum 86.54) vs 97.65% (IQR: 95.44–98.43); P < 0.0001). The median %ΔβhCG for eight cases needing surgery on clinical criteria (5–9 day interval) was significantly lower than for 140 cases with no sac not needing surgery (79.68% (IQR: 64.63–91.15; maximum 94.06) vs 97.68% (IQR: 95.61–98.50); P < 0.0001). The area under the receiver-operator curve was 0.975 for prediction of a persistent sac and 0.944 for prediction of surgery on clinical criteria, respectively. %ΔβhCG > 87% predicted no sac at TVUS. %ΔβhCG > 94.5% predicted no surgery on clinical criteria. Conclusion: %ΔβhCG calculation over one week reliably predicted treatment outcomes after medical management of missed miscarriage. © 2017 The Royal Australian and New Zealand College of Obstetricians and Gynaecologists
Authors & Co-Authors
Gibbons, Kristen Stacey
Australia, Brisbane
The University of Queensland
Mahomed, Kassam
Australia, Brisbane
The University of Queensland
Statistics
Citations: 1
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1111/ajo.12607
ISSN:
00048666
Research Areas
Health System And Policy
Study Design
Randomised Control Trial
Cohort Study