Objective: To compare the cost-effectiveness of performing chorionic villus sampling (CVS) of products of conception (POC) in the evaluation of recurrent miscarriage versus standard evidence-based work-up (EBW) of the couple.
Material And Methods: A decision-analytic model was performed in couples with a third miscarriage. Three strategies were considered: (1) the standard EBW of all the patients, comprising parental karyotype, uterine cavity assessment and antiphospholipid antibodies; (2) performing a CVS of POC and a standard karyotype, and if euploid, follow with EBW; and (3) performing a CVS of POC and an arrayCGH and, if normal, follow with EBW. Estimated cost and diagnostic yield of each strategy was analysed. Sensitivity analysis and threshold cost were considered.
Results: The expected cost-effectiveness of CVS and karyotype of POC in recurrent miscarriage was: $US769.79 versus $US 1361.8 for the standard EBW of the couple. When stratified by maternal age the results remained cost-effective for this strategy. The arrayCGH strategy has a higher diagnostic yield, but still expensive in our setting to be considered cost-effective.
Conclusions: Chorionic villus sampling and karyotype analysis of products of conception in a third miscarriage proved a more cost-effective strategy than standard EBW of the couple. © 2017 John Wiley & Sons, Ltd.
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