• Jasmine A Khubchandani, Angela M Ingraham, Vijaya T Daniel, Didem Ayturk, Catarina I Kiefe, and Heena P Santry.
• University of Massachusetts Medical School, Worcester.
• JAMA Surg. 2018 Feb 1; 153 (2): 150-159.

ImportanceOwing to lack of adequate emergency care infrastructure and decline in general surgery workforce, the United States faces a crisis in access to emergency general surgery (EGS) care. Acute care surgery (ACS), an organized system of trauma, general surgery, and critical care, is a proposed solution; however, ACS diffusion remains poorly understood.ObjectiveTo investigate geographic diffusion of ACS models of care and characterize the communities in which ACS implementation is lagging.Design, Setting, And ParticipantsA national survey on EGS practices was developed, tested, and administered at all 2811 US acute care hospitals providing EGS to adults between August 2015 and October 2015. Surgeons responsible for EGS coverage at these hospitals were approached. If these surgeons failed to respond to the initial survey implementation, secondary surgeons or chief medical officers at hospitals with only 1 general surgeon were approached.InterventionsSurvey responses on ACS implementation were linked with geocoded hospital data and national census data to determine geographic diffusion of and access to ACS.Main Outcomes And MeasuresWe measured the distribution of hospitals with ACS models of care vs those without over time (diffusion) and by US counties characterized by sociodemographic characteristics of county residents (access).ResultsSurvey response rate was 60% (n = 1690); 272 responding hospitals had implemented ACS by 2015, steadily increasing from 34 in 2001 to 125 in 2010. Acute care surgery implementation has not been uniform. Rural regions have limited ACS access, with hospitals in counties with greater than the 75th percentile population having 5.4 times higher odds (95% CI, 1.66-7.35) of implementing ACS than hospitals in counties with less than 25th percentile population. Communities with greater percentages of adults without a college degree also have limited ACS access (OR, 3.43; 95% CI, 1.81-6.48). However, incorporating EGS into ACS models may be a potential equalizer for poor, black, and Hispanic communities.Conclusions And RelevanceUnderstanding and addressing gaps in ACS implementation across communities will be crucial to ensuring health equity for US residents experiencing general surgery emergencies.

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