Plastic deformation of anterior cruciate ligament: listen to the patient, do not just rely on imaging

Abstract Purpose Diagnosing plastic deformation of the anterior cruciate ligament (ACL) is challenging: patients may not report knee instability, and MRI may not confirm the lesion, delaying adequate treatment. This study analyzed clinical findings and complaints in patients with a confirmed diagnos...

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Main Authors: Sérgio Rocha Piedade, Daniel Miranda Ferreira, Carlos Górios, Nicola Maffulli
Format: Article
Language:English
Published: BMC 2025-02-01
Series:Journal of Orthopaedic Surgery and Research
Subjects:
Online Access:https://doi.org/10.1186/s13018-025-05527-3
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author Sérgio Rocha Piedade
Daniel Miranda Ferreira
Carlos Górios
Nicola Maffulli
author_facet Sérgio Rocha Piedade
Daniel Miranda Ferreira
Carlos Górios
Nicola Maffulli
author_sort Sérgio Rocha Piedade
collection DOAJ
description Abstract Purpose Diagnosing plastic deformation of the anterior cruciate ligament (ACL) is challenging: patients may not report knee instability, and MRI may not confirm the lesion, delaying adequate treatment. This study analyzed clinical findings and complaints in patients with a confirmed diagnosis of plastic deformation of the ACL. Methods Data on complaints, physical, imaging and arthroscopic assessment, and subjective evaluation of 15 patients with undiagnosed or delayed ACL insufficiency from plastic deformation of the ACL (Group 1) and 30 patients who underwent an ACL reconstruction following complete tear of the ACL diagnosed clinically and at imaging (Group 2) were compared and analyzed. Results A knee effusion was reported in both study groups, occurring within the first 4 h after the index knee injury, and it was statistically more significant in the complete ACL tear group. All patients reported low values (zero, one, and two) on a scale from zero to 10 in their confidence in performing high-intensity pivoting sports and physical activities. All patients reported that they did not feel comfortable in performing changing direction pivoting on their injured knee. Conclusion Plastic deformation of the ACL may not be clearly manifest clinically and on MRI, and physical exam may present subtle findings that do not allow to fully assess the function of the injured ligament. Therefore, surgeons should listen to the patient, not just rely on imaging, taking into account the patient's report of how the knee is working and their complaints as they remain the leading guide for decision-making. Level of Evidence IV Diagnostic studies – Investigating a diagnostic test.
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spelling doaj-art-101d9bb1b19049af9812e3dfc708f5a82025-02-09T12:46:56ZengBMCJournal of Orthopaedic Surgery and Research1749-799X2025-02-0120111110.1186/s13018-025-05527-3Plastic deformation of anterior cruciate ligament: listen to the patient, do not just rely on imagingSérgio Rocha Piedade0Daniel Miranda Ferreira1Carlos Górios2Nicola Maffulli3Exercise and Sports Medicine, Department of Orthopaedic, Rheumatology, and Traumatology, School of Medical Sciences, University of Campinas, UNICAMPExercise and Sports Medicine, Department of Orthopaedic, Rheumatology, and Traumatology, School of Medical Sciences, University of Campinas, UNICAMPCentro Universitário São CamiloDepartment of Trauma and Orthopaedic Surgery, School Medicine and Psychology, Sapienza UniversityAbstract Purpose Diagnosing plastic deformation of the anterior cruciate ligament (ACL) is challenging: patients may not report knee instability, and MRI may not confirm the lesion, delaying adequate treatment. This study analyzed clinical findings and complaints in patients with a confirmed diagnosis of plastic deformation of the ACL. Methods Data on complaints, physical, imaging and arthroscopic assessment, and subjective evaluation of 15 patients with undiagnosed or delayed ACL insufficiency from plastic deformation of the ACL (Group 1) and 30 patients who underwent an ACL reconstruction following complete tear of the ACL diagnosed clinically and at imaging (Group 2) were compared and analyzed. Results A knee effusion was reported in both study groups, occurring within the first 4 h after the index knee injury, and it was statistically more significant in the complete ACL tear group. All patients reported low values (zero, one, and two) on a scale from zero to 10 in their confidence in performing high-intensity pivoting sports and physical activities. All patients reported that they did not feel comfortable in performing changing direction pivoting on their injured knee. Conclusion Plastic deformation of the ACL may not be clearly manifest clinically and on MRI, and physical exam may present subtle findings that do not allow to fully assess the function of the injured ligament. Therefore, surgeons should listen to the patient, not just rely on imaging, taking into account the patient's report of how the knee is working and their complaints as they remain the leading guide for decision-making. Level of Evidence IV Diagnostic studies – Investigating a diagnostic test.https://doi.org/10.1186/s13018-025-05527-3Anterior cruciate ligament injuriesSprains and strainsViscoelastic substancesClinical diagnosisSurveys and questionnairesPhysical examination
spellingShingle Sérgio Rocha Piedade
Daniel Miranda Ferreira
Carlos Górios
Nicola Maffulli
Plastic deformation of anterior cruciate ligament: listen to the patient, do not just rely on imaging
Journal of Orthopaedic Surgery and Research
Anterior cruciate ligament injuries
Sprains and strains
Viscoelastic substances
Clinical diagnosis
Surveys and questionnaires
Physical examination
title Plastic deformation of anterior cruciate ligament: listen to the patient, do not just rely on imaging
title_full Plastic deformation of anterior cruciate ligament: listen to the patient, do not just rely on imaging
title_fullStr Plastic deformation of anterior cruciate ligament: listen to the patient, do not just rely on imaging
title_full_unstemmed Plastic deformation of anterior cruciate ligament: listen to the patient, do not just rely on imaging
title_short Plastic deformation of anterior cruciate ligament: listen to the patient, do not just rely on imaging
title_sort plastic deformation of anterior cruciate ligament listen to the patient do not just rely on imaging
topic Anterior cruciate ligament injuries
Sprains and strains
Viscoelastic substances
Clinical diagnosis
Surveys and questionnaires
Physical examination
url https://doi.org/10.1186/s13018-025-05527-3
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