• Rossa Devlin and Ruth A Delaney.
• Royal College of Surgeons in Ireland, Dublin, Ireland. rossadevlin@rcsi.ie.
• Ir J Med Sci. 2021 May 1; 190 (2): 491-496.

PurposeThe aim of this study was to determine the difference in proportion of shoulder MRIs that influence the management plan of shoulder patients based on whether MRI was ordered by a shoulder specialist, orthopaedic surgeon or primary care provider prior to referral to a specialist.MethodsThis observational analytical study was conducted in a private practice setting. Data were obtained from 153 MRIs performed on 151 patients. Seventy-seven MRIs were ordered by a specialist shoulder surgeon and 76 by a primary care provider (general practitioner, non-operative sports medicine physician or physiotherapist).ResultsSpecialist-ordered MRIs influenced patient management significantly more often than primary care-ordered MRIs (82% vs. 22%, p < 0.001). Fifty-four percent of referral letters from primary care providers to the specialist did not have documentation of a physical examination, yet an MRI had been ordered. The most common diagnoses for primary care-ordered MRIs which did not have influence on patient management were subacromial bursitis and adhesive capsulitis.ConclusionWith less than 25% of primary care-ordered shoulder MRIs influencing clinical management, questions must be raised about the indications for MRI. Greater than 50% of referrals contained no documented physical examination, suggesting that MRI is being relied upon for assessment. If access to private MRI was to be rationalized, perhaps shoulder specialist-ordered CT and X-ray could be covered by insurance providers. Currently, they are not covered in our system, yet are more likely to influence clinical management than primary care-ordered MRIs, which are currently covered by insurance without restriction on indications.

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