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Surgical and Non-Surgical Treatment Outcomes of Posterior Cruciate Ligament Avulsion Based on Fragment Size
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Mehdi Teimouri1    , Ali Jammoul2 , Saber Heshmati3 |
1- Department of Orthopaedics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran , mteimouri@med.mui.ac.ir
2- Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
3- Department of Orthopaedics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran |
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Abstract: (21 Views) |
Introduction: Various approaches have been proposed for the treatment of posterior cruciate ligament (PCL) avulsion, with some clinicians favoring surgical methods while others consider non-surgical management appropriate. This study aimed to compare the outcomes of both treatment modalities with respect to fragment size.
Methods: This descriptive-analytical study included two groups of patients with PCL avulsion who referred to medical centers in Isfahan during 2022–2023. A total of 41 patients were enrolled through a census method, of whom 21 underwent surgical treatment (typically for larger fragments) and 20 received non-surgical treatment (usually for smaller fragments). Patients were followed up at 6 weeks and 3 months. Data were collected using a checklist.
Results: According to the findings, no statistically significant differences were observed between the surgical and non-surgical groups regarding full knee range of motion and pain at both follow-up intervals (P>0.05). The posterior drawer test showed no significant difference between the groups at 6 weeks (P>0.05), but a significant difference was observed at 3 months (P<0.05). In the surgical group, the number of patients with PCL avulsion significantly decreased at 3 months compared to 6 weeks (P<0.05), while no significant change was observed in the non-surgical group (P>0.05). On average, with each 1 cm increase in fragment size, the probability of successful outcome with surgical treatment increased by 27%.
Conclusion: Both surgical and non-surgical treatments significantly improved full knee range of motion and reduced pain within 3 months after treatment, with no significant difference observed between the two groups in these outcomes. |
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| Keywords: Posterior cruciate ligament, Surgery, Knee, Avulsion |
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Type of Article: Research Article |
Subject:
Neurosurgery
Received: 2025/08/21 | Revised: 2026/02/2 | Accepted: 2025/09/30
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