S Décary1,2, M Fallaha3, B Pelletier3, P Frémont4, J Martel-Pelletier5, J-P Pelletier5, D E Feldman6, M-P Sylvestre7, P-A Vendittoli8,3, F Desmeules6,8. 1. School of Rehabilitation, Faculty of Medicine, University of Montreal, Montreal, QC, Canada. simon.decary.1@umontreal.ca. 2. Orthopaedic Clinical Research Unit, Maisonneuve-Rosemont Hospital Research Center, Centre intégré universitaire de santé et de services sociaux de l'Est-de-l'Île-de-Montréal, Montreal, QC, Canada. simon.decary.1@umontreal.ca. 3. Department of Surgery, Maisonneuve-Rosemont Hospital, University of Montreal, Montreal, QC, Canada. Centre intégré universitaire de santé et de services sociaux de l'Est-de-l'Île-de-Montréal, Montreal, QC, Canada. 4. Department of Rehabilitation, Faculty of Medicine, Laval University, Quebec City, QC, Canada. 5. Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC, Canada. 6. School of Rehabilitation, Faculty of Medicine, University of Montreal, Montreal, QC, Canada. 7. Department of Social Preventive Medicine, School of Public Health, Université de Montréal, Montreal, QC, Canada. 8. Orthopaedic Clinical Research Unit, Maisonneuve-Rosemont Hospital Research Center, Centre intégré universitaire de santé et de services sociaux de l'Est-de-l'Île-de-Montréal, Montreal, QC, Canada.
Abstract
BACKGROUND: Emergence of more autonomous roles for physiotherapists warrants more evidence regarding their diagnostic capabilities. Therefore, we aimed to evaluate diagnostic and surgical triage concordance between a physiotherapist and expert physicians and to assess the diagnostic validity of the physiotherapist's musculoskeletal examination (ME) without imaging. METHODS: This is a prospective diagnostic study where 179 consecutive participants consulting for any knee complaint were independently diagnosed and triaged by two evaluators: a physiotherapist and one expert physician (orthopaedic surgeons or sport medicine physicians). The physiotherapist completed only a ME, while the physicians also had access to imaging to make their diagnosis. Raw agreement proportions and Cohen's kappa (k) were calculated to assess inter-rater agreement. Sensitivity (Se) and specificity (Sp), as well as positive and negative likelihood ratios (LR+/-) were calculated to assess the validity of the ME compared to the physicians' composite diagnosis. RESULTS: Primary knee diagnoses included anterior cruciate ligament injury (n = 8), meniscal injury (n = 36), patellofemoral pain (n = 45) and osteoarthritis (n = 79). Diagnostic inter-rater agreement between the physiotherapist and physicians was high (k = 0.89; 95% CI:0.83-0.94). Inter-rater agreement for triage recommendations of surgical candidates was good (k = 0.73; 95% CI:0.60-0.86). Se and Sp of the physiotherapist's ME ranged from 82.0 to 100.0% and 96.0 to 100.0% respectively and LR+/- ranged from 23.2 to 30.5 and from 0.03 to 0.09 respectively. CONCLUSIONS: There was high diagnostic agreement and good triage concordance between the physiotherapist and physicians. The ME without imaging may be sufficient to diagnose or exclude common knee disorders for a large proportion of patients. Replication in a larger study will be required as well as further assessment of innovative multidisciplinary care trajectories to improve care of patients with common musculoskeletal disorders.
BACKGROUND: Emergence of more autonomous roles for physiotherapists warrants more evidence regarding their diagnostic capabilities. Therefore, we aimed to evaluate diagnostic and surgical triage concordance between a physiotherapist and expert physicians and to assess the diagnostic validity of the physiotherapist's musculoskeletal examination (ME) without imaging. METHODS: This is a prospective diagnostic study where 179 consecutive participants consulting for any knee complaint were independently diagnosed and triaged by two evaluators: a physiotherapist and one expert physician (orthopaedic surgeons or sport medicine physicians). The physiotherapist completed only a ME, while the physicians also had access to imaging to make their diagnosis. Raw agreement proportions and Cohen's kappa (k) were calculated to assess inter-rater agreement. Sensitivity (Se) and specificity (Sp), as well as positive and negative likelihood ratios (LR+/-) were calculated to assess the validity of the ME compared to the physicians' composite diagnosis. RESULTS: Primary knee diagnoses included anterior cruciate ligament injury (n = 8), meniscal injury (n = 36), patellofemoral pain (n = 45) and osteoarthritis (n = 79). Diagnostic inter-rater agreement between the physiotherapist and physicians was high (k = 0.89; 95% CI:0.83-0.94). Inter-rater agreement for triage recommendations of surgical candidates was good (k = 0.73; 95% CI:0.60-0.86). Se and Sp of the physiotherapist's ME ranged from 82.0 to 100.0% and 96.0 to 100.0% respectively and LR+/- ranged from 23.2 to 30.5 and from 0.03 to 0.09 respectively. CONCLUSIONS: There was high diagnostic agreement and good triage concordance between the physiotherapist and physicians. The ME without imaging may be sufficient to diagnose or exclude common knee disorders for a large proportion of patients. Replication in a larger study will be required as well as further assessment of innovative multidisciplinary care trajectories to improve care of patients with common musculoskeletal disorders.
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Authors: E Matifat; K Perreault; J-S Roy; A Aiken; E Gagnon; M Mequignon; V Lowry; S Décary; B Hamelin; M Ambrosio; N Farley; D Pelletier; L Carlesso; F Desmeules Journal: BMC Emerg Med Date: 2019-11-10