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Minimally Invasive Unicompartmental Knee Arthroplasty In Treatment Of Osteonecrosisversus Osteoarthritis : A Matched-Pair Comparison / Qidong ZHANG in Acta Orthopaedica Belgica, Vol 81/2 (Juin 2015)
[article]
Titre : Minimally Invasive Unicompartmental Knee Arthroplasty In Treatment Of Osteonecrosisversus Osteoarthritis : A Matched-Pair Comparison Type de document : texte imprimé Auteurs : Qidong ZHANG, Auteur ; Wanshou GUO, Auteur ; Zhaohui LIU, Auteur Année de publication : 2015 Article en page(s) : p.333-339 Langues : Anglais (eng) Mots-clés : Unicompartmental knee arthroplasty spontaneous osteonecrosis of the knee osteoarthritis minimally invasive medial unicompartment Résumé : This study was conducted to compare the differences of the outcome and surgical technique for minimally invasive unicompartmental knee arthroplasty(UKA) in treatment of osteonecrosis versus osteoarthritis. Twenty-nine spontaneous osteonecrosis of the knee (SONK) cases were reviewed retrospectively. An equal number of patients with osteoarthritis (OA) performed in the same period were selected and matched with respect to age, preoperative range of motion and radiological grade of knee arthrosis. The mean follow up time were 44.14 ± 14.05 and 44.45 ± 14.45 months, respectively. The preoperative hospital for special surgery knee score and visual analogue score were significantly better in group OA than those of group SONK. However, the results were comparable in terms of postoperative pain, knee score, range of motion and axial alignment. From a technical point of view, the osteonecrosis stage and bone defect must be taken into account when using UKA for SONK. Permalink : ./index.php?lvl=notice_display&id=40665
in Acta Orthopaedica Belgica > Vol 81/2 (Juin 2015) . - p.333-339[article] Minimally Invasive Unicompartmental Knee Arthroplasty In Treatment Of Osteonecrosisversus Osteoarthritis : A Matched-Pair Comparison [texte imprimé] / Qidong ZHANG, Auteur ; Wanshou GUO, Auteur ; Zhaohui LIU, Auteur . - 2015 . - p.333-339.
Langues : Anglais (eng)
in Acta Orthopaedica Belgica > Vol 81/2 (Juin 2015) . - p.333-339
Mots-clés : Unicompartmental knee arthroplasty spontaneous osteonecrosis of the knee osteoarthritis minimally invasive medial unicompartment Résumé : This study was conducted to compare the differences of the outcome and surgical technique for minimally invasive unicompartmental knee arthroplasty(UKA) in treatment of osteonecrosis versus osteoarthritis. Twenty-nine spontaneous osteonecrosis of the knee (SONK) cases were reviewed retrospectively. An equal number of patients with osteoarthritis (OA) performed in the same period were selected and matched with respect to age, preoperative range of motion and radiological grade of knee arthrosis. The mean follow up time were 44.14 ± 14.05 and 44.45 ± 14.45 months, respectively. The preoperative hospital for special surgery knee score and visual analogue score were significantly better in group OA than those of group SONK. However, the results were comparable in terms of postoperative pain, knee score, range of motion and axial alignment. From a technical point of view, the osteonecrosis stage and bone defect must be taken into account when using UKA for SONK. Permalink : ./index.php?lvl=notice_display&id=40665 Exemplaires (1)
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Exclu du prêtSafe zone for minimally invasive calcaneal osteotomy / Vasantha Kumar Ramsingh in Acta Orthopaedica Belgica, Vol. 87/4 (Décembre 2021)
[article]
Titre : Safe zone for minimally invasive calcaneal osteotomy : an MRI study Type de document : texte imprimé Auteurs : Vasantha Kumar Ramsingh ; George Hourston ; Sriram Srinivasan Année de publication : 2021 Article en page(s) : p. 761-764 Note générale : https://doi.org/10.52628/87.4.23 Langues : Anglais (eng) Mots-clés : Calcaneal osteotomy safe zone minimally invasive Résumé : Hindfoot deformities are often surgically corrected with calcaneal osteotomy. These are increasingly performed via a minimally invasive approach. Identifying a neurovascular “safe zone” for this approach is important in reducing iatrogenic injury. We aimed to identify a safe zone for minimally invasive calcaneal osteotomy without neurovascular injury.
Three individuals independently assessed 100 con- secutive magnetic resonance imaging ankle studies. The distance of the medial neurovascular bundle from the level of the centre of the Achilles tendon insertion was measured. The points measured were centralised in three planes (axial, sagittal and coronal). The three sets of observations were statistically analysed with confidence intervals and intraclass correlation coefficient was calculated.
The mean distance measured by the three observers were 22.91 mm (range 18.2-28.5 mm); 22.81 mm (range 18.7-26.7 mm); and 23.41 mm (range 19.2- 28.4 mm); overall mean 23.0 mm. The mean inter- observer variation was 1.1 mm. 95% confidence interval for observer 1 ranges from 22.45-23.25 mm, observer 2 ranges from 22.52-23.1 mm and observer 3 ranges from 22.97-23.65 mm. Overall 95% confidence interval ranges from 22.8-23.2 mm. Intraclass correlation coefficient for inter-observer reliability is 0.7, indicating strong agreement between the observers.
This radiological study suggests an anatomical “safe zone” for minimally invasive medial calcaneal osteotomy is at least 18 mm (mean: 23 mm) from the level of insertion of the Achilles tendon. Individual variation between patients must be taken in to consideration during preoperative planning.Permalink : ./index.php?lvl=notice_display&id=102059
in Acta Orthopaedica Belgica > Vol. 87/4 (Décembre 2021) . - p. 761-764[article] Safe zone for minimally invasive calcaneal osteotomy : an MRI study [texte imprimé] / Vasantha Kumar Ramsingh ; George Hourston ; Sriram Srinivasan . - 2021 . - p. 761-764.
https://doi.org/10.52628/87.4.23
Langues : Anglais (eng)
in Acta Orthopaedica Belgica > Vol. 87/4 (Décembre 2021) . - p. 761-764
Mots-clés : Calcaneal osteotomy safe zone minimally invasive Résumé : Hindfoot deformities are often surgically corrected with calcaneal osteotomy. These are increasingly performed via a minimally invasive approach. Identifying a neurovascular “safe zone” for this approach is important in reducing iatrogenic injury. We aimed to identify a safe zone for minimally invasive calcaneal osteotomy without neurovascular injury.
Three individuals independently assessed 100 con- secutive magnetic resonance imaging ankle studies. The distance of the medial neurovascular bundle from the level of the centre of the Achilles tendon insertion was measured. The points measured were centralised in three planes (axial, sagittal and coronal). The three sets of observations were statistically analysed with confidence intervals and intraclass correlation coefficient was calculated.
The mean distance measured by the three observers were 22.91 mm (range 18.2-28.5 mm); 22.81 mm (range 18.7-26.7 mm); and 23.41 mm (range 19.2- 28.4 mm); overall mean 23.0 mm. The mean inter- observer variation was 1.1 mm. 95% confidence interval for observer 1 ranges from 22.45-23.25 mm, observer 2 ranges from 22.52-23.1 mm and observer 3 ranges from 22.97-23.65 mm. Overall 95% confidence interval ranges from 22.8-23.2 mm. Intraclass correlation coefficient for inter-observer reliability is 0.7, indicating strong agreement between the observers.
This radiological study suggests an anatomical “safe zone” for minimally invasive medial calcaneal osteotomy is at least 18 mm (mean: 23 mm) from the level of insertion of the Achilles tendon. Individual variation between patients must be taken in to consideration during preoperative planning.Permalink : ./index.php?lvl=notice_display&id=102059 Réservation
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