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1.
The Journal of the Korean Orthopaedic Association ; : 35-44, 2023.
Artigo em Inglês | WPRIM | ID: wpr-968969

RESUMO

Purpose@#Many studies have been conducted on the cause of the medial meniscus posterior horn root (MMPHR) tears. A previous study reported that the relatively large size of the medial femoral condyle (MFC) compared to the size of the medial tibial condyle (MTC) could cause a tear of the MMPHR. The authors conducted a study to confirm that this was correct. @*Materials and Methods@#Patients who underwent magnetic resonance imaging of the knee at our Hospital from March 2011 to April 2019 were divided into a group with a tear of MMPHR and a control group without a tear. The size (MFC, MTC) and relative size ratio of the MFC and the MTC (MFC/MTC) were measured and compared to determine if there was any correlation with the tear of MMPHR. @*Results@#The mean MFC size of the 175 patients with MMPHR tear was 24.6±2.1 mm (0°), 23.5±2.1 mm (30°), 24.1±2.2 mm (60°), and the mean MTC size was 28.2±2.2 mm. The mean size of the MFC of the 147 control subjects was 25.2±2.4 mm (0°), 23.9±2.3 mm (30°), and 24.5±2.6 mm (60°), and the mean size of the MTC was 29.0±2.6 mm. The mean ratios (MFC/MTC) of the 175 patients with MMPHR tears were 0.87±0.05 (0°), 0.83±0.04 (30°), and 0.85±0.05 (60°) for each location. The corresponding mean ratios (MFC/MTC) of the 147 control subjects were 0.87±0.05 (0°), 0.83±0.04 (30°), and 0.85±0.05 (60°). There was no significant difference between the patient group and the control group. @*Conclusion@#The size and relative ratio of MFC and MTC do not appear to be related to a tear of the MMPHR.

2.
Journal of Korean Foot and Ankle Society ; : 264-271, 2013.
Artigo em Coreano | WPRIM | ID: wpr-170460

RESUMO

PURPOSE: We aimed to analyze the effect of fixation tightness of the syndesmotic screw and its indwelling period on the recurrence of the syndesmosis widening after screw removal and the clinical outcomes. MATERIALS AND METHODS: Forty consecutive patients with acute syndesmotic injury were retrospectively reviewed. The tibiofibular clear space is measured by digitalized measurement tool on serial radiographs. We analyzed the effect of time from trauma to fixation, syndesmotic screw indwelling duration, and fixation methods. Residual symptoms at the last follow up were evaluated. The student t-test, correlation test, and chi-square test were used for statistical analysis. RESULTS: Eighteen ankles (45%) had recurrent syndesmosis widening (greater than 5% compared to the contralateral side). Seven patients had pain and five had limitation of motion in the ankle joint. Fixation tightness had significant effect on reducing the recurrence while the severity of the initial widening, time to fixation, and duration of fixation did not affect the outcome. CONCLUSION: Tight fixation of syndesmotic screw is essential for achieving final syndesmotic stability and reducing recurrence.


Assuntos
Humanos , Tornozelo , Articulação do Tornozelo , Seguimentos , Métodos , Recidiva , Estudos Retrospectivos , Ruptura
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