Background Good Samaritan University Hospital (GSUH) has been preliminary approved to become a Level I Trauma Center. The American College of Surgeons (ACS) requires Level I Trauma Centers to have senior surgery residents on the trauma service. To fulfill this requirement, GSUH has established an affiliation with Stony Brook University Hospital, a tertiary care hospital with an Accreditation Council for Graduate Medical Education-approved five-year postgraduate training program in General Surgery, to have senior surgery residents from their training program rotate and provide care to trauma patients beginning in July of 2021. Numerous studies over the past few decades have shown conflicting results on patient outcomes with resident involvement. A majority of the studies published only evaluated residents who were native to the respective hospitals. Our study evaluated the impact of surgery residents visiting from an outside hospital on hospital length of stay (LOS) in admitted trauma patients. As increased hospital LOS is strongly associated with increased hospital-acquired complications, increased healthcare costs, and poor patient experience, we used this to evaluate the efficiency of our trauma team with the addition of visiting surgery residents. Methodology A retrospective study was conducted utilizing the hospital's trauma registry. Patients were divided into two groups: the first two years before the addition of surgery residents from July 1st, 2019, to June 30th, 2021, and the second two years after the addition of surgery residents from July 1st, 2021, to June 30th, 2023. The primary outcome measured the hospital LOS between the two groups. Pearson's chi-square test was used to analyze all categorical data, and a t-test was used to compare differences in means. Results From July 1st, 2019, to June 30th, 2023, a total of 7,081 patients were admitted to the trauma service: 3,411 in the group with no surgery residents, and 3,670 patients in the group with residents (p = 0.052). The primary outcome, hospital LOS, was not significantly affected by the addition of surgery residents to the trauma service. Hospital LOS before surgery residents was 4.40 days compared to with residents at 4.41 days (p = 0.944). Mortality was significantly decreased with resident involvement at 1.9% compared to no residents at 2.7% (p = 0.017). Interestingly, the Emergency Department LOS was significantly longer in the group with residents, 268.82 minutes vs. 232.19 minutes (p = 0.004). The average New Injury Severity Score was 9.02 in the group with no residents and 9.04 in the group with surgery residents (p = 0.927). The majority of traumas in both groups were blunt trauma 96.5% with no residents vs. 97.1% with residents (p = 0.192). Conclusions The addition of visiting surgery residents to the trauma team did not significantly increase hospital LOS. Ultimately, having visiting residents on the trauma service may enhance resident education without compromising hospital LOS. Training at different hospitals can allow residents to experience different patient populations and different hospital protocols, making them adaptable and more prepared to work in different hospital settings, whether academic or community. Hospitals without their own residency programs could potentially form affiliations with residency programs to meet the ACS requirements, which can bring more patients to their hospitals.
Keywords: average length of hospital stay; ed length of stay; surgery residents; teaching and training residents and medical students; trauma surgery.
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