Care for Pediatric Patellofemoral Instability Prior to Orthopaedic Referral

Background: Patellofemoral instability is a common condition in the pediatric population with increasing incidence. Recent guidelines recommend radiographs and nonoperative treatment for simple first-time dislocations and surgical consideration after a repeated event. However, it is not known whethe...

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Main Authors: Emily Qian, MS, Ally A. Yang, MD, Halle Freiman, MD, MS, Corinna Franklin, MD
Format: Article
Language:English
Published: Elsevier 2025-05-01
Series:Journal of the Pediatric Orthopaedic Society of North America
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Online Access:http://www.sciencedirect.com/science/article/pii/S2768276525000252
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author Emily Qian, MS
Ally A. Yang, MD
Halle Freiman, MD, MS
Corinna Franklin, MD
author_facet Emily Qian, MS
Ally A. Yang, MD
Halle Freiman, MD, MS
Corinna Franklin, MD
author_sort Emily Qian, MS
collection DOAJ
description Background: Patellofemoral instability is a common condition in the pediatric population with increasing incidence. Recent guidelines recommend radiographs and nonoperative treatment for simple first-time dislocations and surgical consideration after a repeated event. However, it is not known whether non-orthopaedic clinicians are initiating these treatments. We sought to characterize injury history, diagnostic evaluations and treatments pursued by referring clinicians prior to orthopaedic evaluation of patellofemoral instability events. Methods: We performed a retrospective review of pediatric patient records with a patellofemoral instability event referred for orthopaedic evaluation. Data collected include demographics, referral clinician specialty, previous injury, mechanism of injury, imaging performed and findings, treatments pursued, surgical timeline, and outcomes. Cases were grouped by their referring clinician specialty into emergency settings, primary care, and other settings. Results: Of the 100 cases, 44 were referred from emergency settings, 41 from primary care, and 15 from other settings. Thirty-one cases ultimately underwent surgical intervention. The primary care group was the least likely to have performed radiographs prior to referral (n = 21, 51.2%) compared with the emergency group (n = 43, 97.7%). The primary care group was also found to be more likely to have already had recurrent dislocations (n = 18, 43.9%). Lastly, of the 32 recurrent cases, only 12 cases had been recommended physical therapy. Conclusions: We found that radiographs and nonoperative treatments are inconsistently used prior to orthopaedic referral. This impacts the timeline of management, which can lead to further injury. Our study identified that there are upstream referral factors influencing patellofemoral instability outcomes. Future research may include methods to improve concordance with treatment guidelines. Key Concepts: (1) Identifying clinician groups referring to orthopaedic practices for pediatric patellofemoral instability (PFI) events. (2) Describing evaluations and treatments pursued by clinicians for pediatric PFI events prior to orthopaedic referral. (3) Algorithm-based approaches are more adherent to current proposed pediatric PFI management guidelines. (4) Education of referring clinicians may help to improve surgical outcomes. Level of Evidence: III, Retrospective Cohort Study
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spelling doaj-art-a8e5faeb2a6e440db5db516cfbf7e5132025-08-20T02:57:05ZengElsevierJournal of the Pediatric Orthopaedic Society of North America2768-27652025-05-011110018110.1016/j.jposna.2025.100181Care for Pediatric Patellofemoral Instability Prior to Orthopaedic ReferralEmily Qian, MS0Ally A. Yang, MD1Halle Freiman, MD, MS2Corinna Franklin, MD3Yale New Haven Hospital Department of Orthopaedics and Rehabilitation, New Haven, CT, USAYale New Haven Hospital Department of Orthopaedics and Rehabilitation, New Haven, CT, USAYale New Haven Hospital Department of Orthopaedics and Rehabilitation, New Haven, CT, USACorresponding author: Yale School of Medicine Department of Orthopaedics and Rehabilitation, New Haven, CT, USA.; Yale New Haven Hospital Department of Orthopaedics and Rehabilitation, New Haven, CT, USABackground: Patellofemoral instability is a common condition in the pediatric population with increasing incidence. Recent guidelines recommend radiographs and nonoperative treatment for simple first-time dislocations and surgical consideration after a repeated event. However, it is not known whether non-orthopaedic clinicians are initiating these treatments. We sought to characterize injury history, diagnostic evaluations and treatments pursued by referring clinicians prior to orthopaedic evaluation of patellofemoral instability events. Methods: We performed a retrospective review of pediatric patient records with a patellofemoral instability event referred for orthopaedic evaluation. Data collected include demographics, referral clinician specialty, previous injury, mechanism of injury, imaging performed and findings, treatments pursued, surgical timeline, and outcomes. Cases were grouped by their referring clinician specialty into emergency settings, primary care, and other settings. Results: Of the 100 cases, 44 were referred from emergency settings, 41 from primary care, and 15 from other settings. Thirty-one cases ultimately underwent surgical intervention. The primary care group was the least likely to have performed radiographs prior to referral (n = 21, 51.2%) compared with the emergency group (n = 43, 97.7%). The primary care group was also found to be more likely to have already had recurrent dislocations (n = 18, 43.9%). Lastly, of the 32 recurrent cases, only 12 cases had been recommended physical therapy. Conclusions: We found that radiographs and nonoperative treatments are inconsistently used prior to orthopaedic referral. This impacts the timeline of management, which can lead to further injury. Our study identified that there are upstream referral factors influencing patellofemoral instability outcomes. Future research may include methods to improve concordance with treatment guidelines. Key Concepts: (1) Identifying clinician groups referring to orthopaedic practices for pediatric patellofemoral instability (PFI) events. (2) Describing evaluations and treatments pursued by clinicians for pediatric PFI events prior to orthopaedic referral. (3) Algorithm-based approaches are more adherent to current proposed pediatric PFI management guidelines. (4) Education of referring clinicians may help to improve surgical outcomes. Level of Evidence: III, Retrospective Cohort Studyhttp://www.sciencedirect.com/science/article/pii/S2768276525000252Patellofemoral instability (PFI)Recurrent patellofemoral instability (rPFI)Patellar dislocationPatellar subluxationMedial patellofemoral ligament reconstruction (MPFL-R)
spellingShingle Emily Qian, MS
Ally A. Yang, MD
Halle Freiman, MD, MS
Corinna Franklin, MD
Care for Pediatric Patellofemoral Instability Prior to Orthopaedic Referral
Journal of the Pediatric Orthopaedic Society of North America
Patellofemoral instability (PFI)
Recurrent patellofemoral instability (rPFI)
Patellar dislocation
Patellar subluxation
Medial patellofemoral ligament reconstruction (MPFL-R)
title Care for Pediatric Patellofemoral Instability Prior to Orthopaedic Referral
title_full Care for Pediatric Patellofemoral Instability Prior to Orthopaedic Referral
title_fullStr Care for Pediatric Patellofemoral Instability Prior to Orthopaedic Referral
title_full_unstemmed Care for Pediatric Patellofemoral Instability Prior to Orthopaedic Referral
title_short Care for Pediatric Patellofemoral Instability Prior to Orthopaedic Referral
title_sort care for pediatric patellofemoral instability prior to orthopaedic referral
topic Patellofemoral instability (PFI)
Recurrent patellofemoral instability (rPFI)
Patellar dislocation
Patellar subluxation
Medial patellofemoral ligament reconstruction (MPFL-R)
url http://www.sciencedirect.com/science/article/pii/S2768276525000252
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