• Megg Wylie, Amelia Srajer, Fareen Zaver, Kevin Lonergan, Philippa Brain, and Eddy Lang.
• Cumming School of Medicine, University of Calgary, 204-1331 14th Avenue SW, Calgary, AB, T3C 0W3, Canada. megg.wylie@ucalgary.ca.
• CJEM. 2022 Apr 1; 24 (3): 278-282.

ObjectivesIncomplete and missed spontaneous abortion cases often first present to the emergency department (ED), where they can be managed operatively via dilation and curettage (D&C) or non-operatively through medical or expectant management. The primary objective of this study was to determine how rates of operative management have changed over time across Calgary EDs. The secondary objective was to assess correlates of effectiveness and potential drivers in management including gynecological consults, ED return visits requiring admission, and subsequent D&Cs.MethodsSunrise Clinical Manager (electronic medical system) was accessed to collect data for patients who presented to a Calgary ED with an incomplete or missed spontaneous abortion from 2014 to 2019. Patients requiring resuscitation and those with complications were excluded. Return to care for D&C and ED revisits requiring admission were used as a proxy for failed non-operative management. Trends in management are reported using 95% confidence intervals.ResultsOf the 3845 patients included, 1110 (28.9%) received a D&C on initial ED visit. The remaining 2735 (71.1%) were initially managed non-operatively. Rates of D&Cs decreased 11.6% from 2014 to 2019, 95% CI (6.5%, 16.8%). There was minimal change in the rates of gynecological consults, ED returns requiring admission, and returns to care resulting in D&Cs over time.ConclusionsThe management of incomplete and missed spontaneous abortions has shifted toward non-operative management over 6 years in Calgary. As this is not associated with increased ED returns requiring admission or subsequent D&Cs, the shift appears to be appropriate. As gynecological consults were consistent over time, further knowledge translation around non-operative spontaneous abortion management may be useful for ED physicians.© 2022. The Author(s), under exclusive licence to Canadian Association of Emergency Physicians (CAEP)/ Association Canadienne de Médecine d'Urgence (ACMU).

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