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Investigation of the relationship between trochlear morphology and medial patellar cartilage defect using magnetic resonance imaging / Semra Duran in Acta Orthopaedica Belgica, Vol.87/2 (Juin 2021)
[article]
Titre : Investigation of the relationship between trochlear morphology and medial patellar cartilage defect using magnetic resonance imaging Type de document : texte imprimé Auteurs : Semra Duran ; Elif Gunaydin Année de publication : 2021 Article en page(s) : p. 352-358 Note générale : https://doi.org/10.52628/87.2.22 Langues : Anglais (eng) Mots-clés : chondromalacia patella femoral trochlea morphology magnetic resonance imaging Résumé : The aim of this study was to evaluate trochlear morphology in patients with medial patellar cartilage defects via magnetic resonance imaging (MRI).
Three hundred patients who were diagnosed with grade 2, 3 and 4 medial patellar cartilage defect using MRI according to the International Cartilage Repair Society Classification System and 100 control subjects were evaluated. Trochlear morphology was evaluated based on lateral trochlear inclination (LTI), medial trochlear inclination (MTI), sulcus angle( SA), femoral lateral and medial condyle symmetry, trochlear facet asymmetry, and trochlear width on the axial MR images.
The mean SA was significantly higher in the medial patellar cartilage defect group compared to the control group (p<.05). The LTI and MTI of the cartilage defect group were significantly lower than those of the control group (p<.05). With the decreasing LTI and MTI, there was an increase in medial patellar cartilage loss. LTI (r=-0.46) and MTI (r=-0.53) were moderately correlated with SA. There was no significant differences in femoral lateral and medial condyle symmetry, trochlear facet asymmetry, and trochlear width between groups with and without medial patellar cartilge defect (p > .05).
A flattened medial trochlea is a risk factor for cartilage structural damage of the medial patellofemoral joint, and it plays a role in the development of a defect in the medial patellar cartilage. The medial patellar cartilage defect is associated with the flattened lateral trochlea.Permalink : ./index.php?lvl=notice_display&id=96672
in Acta Orthopaedica Belgica > Vol.87/2 (Juin 2021) . - p. 352-358[article] Investigation of the relationship between trochlear morphology and medial patellar cartilage defect using magnetic resonance imaging [texte imprimé] / Semra Duran ; Elif Gunaydin . - 2021 . - p. 352-358.
https://doi.org/10.52628/87.2.22
Langues : Anglais (eng)
in Acta Orthopaedica Belgica > Vol.87/2 (Juin 2021) . - p. 352-358
Mots-clés : chondromalacia patella femoral trochlea morphology magnetic resonance imaging Résumé : The aim of this study was to evaluate trochlear morphology in patients with medial patellar cartilage defects via magnetic resonance imaging (MRI).
Three hundred patients who were diagnosed with grade 2, 3 and 4 medial patellar cartilage defect using MRI according to the International Cartilage Repair Society Classification System and 100 control subjects were evaluated. Trochlear morphology was evaluated based on lateral trochlear inclination (LTI), medial trochlear inclination (MTI), sulcus angle( SA), femoral lateral and medial condyle symmetry, trochlear facet asymmetry, and trochlear width on the axial MR images.
The mean SA was significantly higher in the medial patellar cartilage defect group compared to the control group (p<.05). The LTI and MTI of the cartilage defect group were significantly lower than those of the control group (p<.05). With the decreasing LTI and MTI, there was an increase in medial patellar cartilage loss. LTI (r=-0.46) and MTI (r=-0.53) were moderately correlated with SA. There was no significant differences in femoral lateral and medial condyle symmetry, trochlear facet asymmetry, and trochlear width between groups with and without medial patellar cartilge defect (p > .05).
A flattened medial trochlea is a risk factor for cartilage structural damage of the medial patellofemoral joint, and it plays a role in the development of a defect in the medial patellar cartilage. The medial patellar cartilage defect is associated with the flattened lateral trochlea.Permalink : ./index.php?lvl=notice_display&id=96672 Exemplaires (1)
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Exclu du prêtClinical and MRI changes of puborectalis and iliococcygeus after a short period of intensive pelvic floor muscles training with or without instrumentation / Frédéric Dierick
Titre : Clinical and MRI changes of puborectalis and iliococcygeus after a short period of intensive pelvic floor muscles training with or without instrumentation Type de document : document électronique Auteurs : Frédéric Dierick ; Ekatrina Galtsova ; Clara Lauer ; Fabien Buisseret ; Anne-France Bouché ; Laurent Martin Année de publication : 2018 Note générale : Cet article est une pré-publication. La version définitive a été publiée dans la revue "European Journal of Applied Physiology" 118, (2018)sous le doi: 10.1007/s00421-018-3899-7. Langues : Anglais (eng) Mots-clés : Anatomy Levator ani Transversus abdominis Strengthening Morphology Hypopressive Biofeedback Electrical stimulation Résumé : Purpose
This study evaluates the impact of a 3-week period of intensive pelvic floor muscles training (PFMT), with or without instrumentation, on clinical and static magnetic resonance imaging (MRI) changes of puborectalis (PR) and iliococcygeus (IL) muscles.
Methods
24 healthy young women were enrolled in the study and 17 achieved the 9 sessions of 30 min training exercises and conducted all assessments. Participants were randomly assigned in two training groups: voluntary contractions combined with hypopressive exercises (HYPO) or biofeedback exercises combined with transvaginal electrical stimulations (ELEC). Clinical and T2-weighted MRI assessments were realized before and after training.
Results
Modified Oxford Grading System (MOGS) scores for left PR and perineal body significantly increased in the two groups (p = 0.039, p = 0.008), but MOGS score for right PR significantly increased only in HYPO (p = 0.020). Muscle volumes of right and left IL significantly decreased (p = 0.040, p = 0.045) after training as well as signal intensities of right and left PR (p = 0.040, p = 0.021) and thickness of right and left IL at mid-vagina location (p = 0.012, p = 0.011).
Conclusions
A short period of intensive PFMT induces clinical and morphological changes in PFMs at rest suggesting a decrease in IL volume and adipose content of PR. Although the results suggested that an intensive non-instrumented PFMT is as effective as an instrumented training, future controlled studies with greater sample sizes are needed to establish the relative and absolute effectiveness of each of the two interventions.En ligne : https://www.biorxiv.org/content/10.1101/248823v1.full Permalink : ./index.php?lvl=notice_display&id=84499 Clinical and MRI changes of puborectalis and iliococcygeus after a short period of intensive pelvic floor muscles training with or without instrumentation [document électronique] / Frédéric Dierick ; Ekatrina Galtsova ; Clara Lauer ; Fabien Buisseret ; Anne-France Bouché ; Laurent Martin . - 2018.
Cet article est une pré-publication. La version définitive a été publiée dans la revue "European Journal of Applied Physiology" 118, (2018)sous le doi: 10.1007/s00421-018-3899-7.
Langues : Anglais (eng)
Mots-clés : Anatomy Levator ani Transversus abdominis Strengthening Morphology Hypopressive Biofeedback Electrical stimulation Résumé : Purpose
This study evaluates the impact of a 3-week period of intensive pelvic floor muscles training (PFMT), with or without instrumentation, on clinical and static magnetic resonance imaging (MRI) changes of puborectalis (PR) and iliococcygeus (IL) muscles.
Methods
24 healthy young women were enrolled in the study and 17 achieved the 9 sessions of 30 min training exercises and conducted all assessments. Participants were randomly assigned in two training groups: voluntary contractions combined with hypopressive exercises (HYPO) or biofeedback exercises combined with transvaginal electrical stimulations (ELEC). Clinical and T2-weighted MRI assessments were realized before and after training.
Results
Modified Oxford Grading System (MOGS) scores for left PR and perineal body significantly increased in the two groups (p = 0.039, p = 0.008), but MOGS score for right PR significantly increased only in HYPO (p = 0.020). Muscle volumes of right and left IL significantly decreased (p = 0.040, p = 0.045) after training as well as signal intensities of right and left PR (p = 0.040, p = 0.021) and thickness of right and left IL at mid-vagina location (p = 0.012, p = 0.011).
Conclusions
A short period of intensive PFMT induces clinical and morphological changes in PFMs at rest suggesting a decrease in IL volume and adipose content of PR. Although the results suggested that an intensive non-instrumented PFMT is as effective as an instrumented training, future controlled studies with greater sample sizes are needed to establish the relative and absolute effectiveness of each of the two interventions.En ligne : https://www.biorxiv.org/content/10.1101/248823v1.full Permalink : ./index.php?lvl=notice_display&id=84499 Exemplaires
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