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Assessing the Efficacy of Ophthalmic Transfers to an Academic Level 1 Trauma Hospital: Diagnostic Accuracy and
Blake Hopkin1, Thellea Leveque1, Mary Kim1
1Department of Ophthalmology, University of Washington School of Medicine, Seattle, Washington.
Purpose:
To characterize ophthalmic transfers from hospital, emergency department (ED), and urgent care settings to an academic level 1 trauma center and to evaluate the accuracy of transferring diagnoses and rate of intervention after transfer.
Design:
Retrospective, cross-sectional study.
Participants:
All patients transferred from outside hospitals, EDs, and urgent care centers accepted by the ophthalmology service at Harborview Medical Center in Seattle, Washington, from February 1, 2022, to January 31, 2023.
Methods:
Transfer center records were reviewed for patient demographics, transfer facility, method of transport, transfer diagnosis, time from acceptance of transfer to patient arrival, and whether the patient was seen by or discussed with an eye care provider (ophthalmologist or optometrist) before the transfer call. Ophthalmology notes were reviewed for final diagnosis, patient disposition, and procedural interventions within 1 month of transfer. Fisher exact tests were used to compare accuracy of transfer diagnoses and rate of intervention or admission between those with and without an in-person evaluation by an eye care provider before transfer.
Main Outcome Measures:
Accuracy of transfer diagnoses and rate of procedural interventions or admission after transfer.
Results:
Of 685 total transfers, 6.1% of patients received an in-person evaluation by an eye care provider before transfer, and 11.3% were discussed with an eye care provider from the transferring facility. Median (interquartile range [IQR]) travel distance was 30 (16-57) miles, and the median (IQR) time from transfer acceptance to arrival was 216 (158-314) minutes. Transfer diagnoses were accurate in less than half (48.9%) of cases. Half (50.2%) of all transferred patients were discharged from the ED and underwent no procedural intervention within 1 month of transfer. Patients evaluated in-person by an eye care provider before transfer were more likely to have an accurate transfer diagnosis (90.5% vs. 66.3%, P < 0.001) and to require admission or procedural intervention (90.5% vs. 46.8%, P < 0.001).
Conclusions:
Diagnostic accuracy and likelihood of procedural intervention or admission are higher in patients who undergo an ophthalmic or optometric examination before hospital transfer, suggesting that standardized pretransfer evaluation protocols could enhance diagnostic precision and optimize resource use.
Financial Disclosure(S):
Proprietary or commercial disclosure may be found after the references.
