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Degenerative isolated cartilage defects of the patellofemoral joint are associated with more severe symptoms compared to trauma-related defects: results of the German Cartilage Registry (KnorpelRegister DGOU).
Mehl, Julian; Otto, A; Willinger, L; Hapfelmeier, A; Imhoff, A B; Niemeyer, P; Angele, P; Zinser, W; Spahn, G; Schmitt, A.
Afiliação
  • Mehl J; Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany. julian.mehl@tum.de.
  • Otto A; Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany.
  • Willinger L; Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany.
  • Hapfelmeier A; Institute of Medical Informatics, Statistics and Epidemiology, Technische Universität München, Munich, Germany.
  • Imhoff AB; Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany.
  • Niemeyer P; OCM Clinic, Munich, Germany.
  • Angele P; Department for Traumatology, Universitätsklinikum Regensburg, Regensburg, Germany.
  • Zinser W; Department of Orthopaedic Surgery and Traumatology, St Vinzenz Hospital, Dinslaken, Germany.
  • Spahn G; Center of Trauma and Orthopaedic Surgery Eisenach, Jena University Hospital, Eisenach, Germany.
  • Schmitt A; Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Ismaninger Strasse 22, 81675, Munich, Germany.
Knee Surg Sports Traumatol Arthrosc ; 27(2): 580-589, 2019 Feb.
Article em En | MEDLINE | ID: mdl-30284008
ABSTRACT

PURPOSE:

The purpose of this study was to utilize data from the German Cartilage Registry (KnorpelRegister DGOU) to examine the hypothesis that degenerative cartilage defects of the patellofemoral joint are associated with more severe clinical symptoms compared to trauma-related defects.

METHODS:

All patients with isolated focal cartilage defects of the patellofemoral joint registered in the German Cartilage Registry until May 2017 were included in the study. Patients with previous surgery of the ipsilateral knee were excluded. Baseline data including etiology (traumatic, degenerative), size, location and ICRS grade of the cartilage defects as well as the duration of symptoms were analyzed. Clinical symptoms were evaluated by means of the numeric analog scale (NAS) for pain and the Knee injury and Osteoarthritis Outcome Score (KOOS). Group comparisons were performed using the Mann-Whitney-U test along with the Chi-squared test and Fisher's exact test. A bivariate correlation analysis and a multivariable linear regression analysis were performed to investigate the association between the defect characteristics and the clinical scores.

RESULTS:

A total of 423 patients (203 traumatic and 220 degenerative defects) were included. Isolated degenerative cartilage defects were found to have significantly more trochlear locations (28% vs. 18%; p = 0.006), significantly less ICRS grade 4 lesions (50% vs. 73%; p = 0.002) and a significantly smaller defect size [median 300 (IQR 105-400) vs. 300 (200-400) mm2] when compared to those from traumatic etiology. Traumatic defects showed significantly better KOOS-ADL [77 (60-90) vs. 69 (56-82); p = 0.005], KOOS-pain [69 (56-81) vs. 61 (47-75); p = 0.001] and NAS [2 (1-5) vs. 4 (1-6); p = 0.005] scores compared to degenerative defects. The correlation analysis revealed only weak correlations between the quantitative defect characteristics and clinical scores.

CONCLUSIONS:

Degenerative isolated cartilage defects in the patellofemoral joint are associated with more severe clinical symptoms in comparison to trauma-related defects. Additionally, they show a larger variance regarding their location with more trochlear defects. LEVEL OF EVIDENCE III.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Doenças das Cartilagens / Sistema de Registros / Articulação Patelofemoral / Traumatismos do Joelho Tipo de estudo: Diagnostic_studies / Risk_factors_studies Limite: Adult / Female / Humans / Male / Middle aged País/Região como assunto: Europa Idioma: En Revista: Knee Surg Sports Traumatol Arthrosc Assunto da revista: MEDICINA ESPORTIVA / TRAUMATOLOGIA Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Alemanha

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Doenças das Cartilagens / Sistema de Registros / Articulação Patelofemoral / Traumatismos do Joelho Tipo de estudo: Diagnostic_studies / Risk_factors_studies Limite: Adult / Female / Humans / Male / Middle aged País/Região como assunto: Europa Idioma: En Revista: Knee Surg Sports Traumatol Arthrosc Assunto da revista: MEDICINA ESPORTIVA / TRAUMATOLOGIA Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Alemanha