{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,21]],"date-time":"2026-06-21T02:31:54Z","timestamp":1782009114593,"version":"3.54.5"},"reference-count":26,"publisher":"Royal College of General Practitioners","issue":"665","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Br J Gen Pract"],"published-print":{"date-parts":[[2017,12]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>The added value of magnetic resonance imaging (MRI) in primary care is still being debated. A high diagnostic yield can be expected in young and active patients with post-traumatic knee complaints.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aim<\/jats:title><jats:p>To determine the frequency of MRI abnormalities in young and active patients (aged 18\u201345 years) and the associations with patient, trauma, and clinical characteristics.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design and setting<\/jats:title><jats:p>A subgroup analysis of 174 patients, aged 18\u201345 years with knee trauma of &lt;6 months, allocated to MRI in a randomised controlled trial on the yield of MRI in primary care. Patients were recruited by 150 GPs in the Netherlands from October 2012 to November 2015.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Associations were expressed using mean differences, odds ratio (OR) and predictive values.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Sixty-seven out of 174 patients (39%) had a positive MRI finding, predominantly anterior cruciate ligament (ACL) ruptures (22%) and\/or traumatic meniscal tears (15%). Patients with a pre-existing musculoskeletal comorbidity had a two-fold lower prevalence of positive MRI findings (21%), OR 3.0 (95% confidence interval [CI] = 1.3 to 7.0). A \u2018sports related trauma\u2019 showed the highest OR of 4.6 (95% CI = 2.2 to 9.3) for a positive MRI finding. Clinical scores were statistically, significantly worse in patients with positive MRI findings, with mean differences ranging from 10 to 20%. Furthermore, increasing duration of complaints was correlated with decreasing prevalence rates of positive MRI findings. Overall, a popping sound and direct swelling showed the highest positive predictive value of 65% for the presence of positive MRI findings.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The results from this study enable a preselection of patients to increase the diagnostic yield of MRI in primary care.<\/jats:p><\/jats:sec>","DOI":"10.3399\/bjgp17x693653","type":"journal-article","created":{"date-parts":[[2017,11,21]],"date-time":"2017-11-21T01:40:21Z","timestamp":1511228421000},"page":"e851-e858","source":"Crossref","is-referenced-by-count":10,"title":["Post-traumatic knee MRI findings and associations with patient, trauma, and clinical characteristics: a subgroup analysis in primary care in the Netherlands"],"prefix":"10.3399","volume":"67","author":[{"given":"Kim","family":"van Oudenaarde","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nynke M","family":"Swart","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Johan L","family":"Bloem","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sita MA","family":"Bierma-Zeinstra","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul R","family":"Algra","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bart","family":"Koes","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Verhaar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rob GHH","family":"Nelissen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick JE","family":"Bindels","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pim AJ","family":"Luijsterburg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Monique","family":"Reijnierse","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1987","published-online":{"date-parts":[[2017,11,20]]},"reference":[{"key":"2020081209310351000_67.665.e851.1","unstructured":"van der Linden MW Westert GP de Bakker DH Schellevis FG (2004) Second Dutch study for diseases and management in general practice: complaints and disorders in the population and in general practice? 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