AIMS:The aim of this study was to evaluate the correlation between Salter's criteria and Kalamchi's classification of avascular necrosis in patients treated for developmental dysphasia of the hip (DDH).
PATIENTS AND METHODS:The study involved a retrospective analysis of 123 patients (123 hips) with DDH treated by operative and non-operative reduction before the age of two years, with a minimum follow-up of ten years. Salter's criteria (S1 to S4) were determined from radiographs obtained at one to two years post-reduction, whilst the Kalamchi grade was determined from radiographs obtained at ten or more years of age. Early post-reduction radiographs were also used to evaluate the centre-head distance discrepancy (CHDD) and the occurrence of a dome-shaped deformity of the proximal femoral metaphysis (D-shaped metaphysis). The prognosis was described as good (Kalamchi grade K0 or KI), fair (Kalamchi grade KII) or poor (Kalamchi grade KIII or KIV) for analysis and correlation with the early Salter criteria, CHDD and D-shaped metaphysis.
RESULTS:S1 and S2 criteria were predictive of a poor prognosis. The outcome following S3, S4 and S3 + S4 varied; 18 (40%) had a good prognosis, 17 (38%) a fair prognosis and ten (22%) a poor prognosis. A CHDD ≥ 10% and a D-shaped metaphysis were also predictive of a poor prognosis.
CONCLUSION:The Salter criteria were predictive of the Kalamchi grade of avascular necrosis in patients with DDH aged ten or more years after reduction of the hip. Cite this article: Bone Joint J 2017;99-B:1115-20.
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【The correlation between Salter's criteria for avascular necrosis of the femoral head and Kalamchi's prognostic classification following the treatment of developmental dysplasia of the hip.].
【髋部发育不良后，Salter股骨头缺血性坏死标准与Kalamchi的预后分类之间的相关性。】
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DOI：10.1302/0301-620X.99B8.BJJ-2016-1070.R1文章类型：杂志文章
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目的：本研究的目的是评估髋部发育不良（DDH）患者的Salter标准与卡拉姆奇血管坏死分类之间的相关性。
病人和方法：该研究包括对年龄在2岁之前接受手术和非手术复位治疗的123例DDH患者（123髋）的回顾性分析，最少随访10年。索尔特标准（S1至S4）是根据还原后一到两年的放射线照片确定的，而卡拉马奇等级是根据十岁或以上年龄的放射线照片确定的。早期的复位后X光片也被用于评估中心头距离差异（CHDD）和股骨近端干physi端（D形干physi端）的圆顶形畸形的发生。对于早期Salter标准，CHDD和D形干meta端的分析和相关性，预后被描述为好（Kalamchi K0或KI级），中等（Kalamchi KII级或差）（Kalamchi KIII级或KIV级）。
结果：S1和S2标准可预示不良预后。 S3，S4和S3，S4之后的结果有所不同； 18例（40％）的预后良好，17例（38％）的预后良好，十例（22％）的预后不良。 CHDD≥10％和D形干physi端也预示不良预后。
结论：Salter标准可预测髋关节复位后10岁或10岁以上DDH患者的Kalamchi级无血管坏死。引用本文：Bone Joint J 2017; 99-B：1115-20。
病人和方法：该研究包括对年龄在2岁之前接受手术和非手术复位治疗的123例DDH患者（123髋）的回顾性分析，最少随访10年。索尔特标准（S1至S4）是根据还原后一到两年的放射线照片确定的，而卡拉马奇等级是根据十岁或以上年龄的放射线照片确定的。早期的复位后X光片也被用于评估中心头距离差异（CHDD）和股骨近端干physi端（D形干physi端）的圆顶形畸形的发生。对于早期Salter标准，CHDD和D形干meta端的分析和相关性，预后被描述为好（Kalamchi K0或KI级），中等（Kalamchi KII级或差）（Kalamchi KIII级或KIV级）。
结果：S1和S2标准可预示不良预后。 S3，S4和S3，S4之后的结果有所不同； 18例（40％）的预后良好，17例（38％）的预后良好，十例（22％）的预后不良。 CHDD≥10％和D形干physi端也预示不良预后。
结论：Salter标准可预测髋关节复位后10岁或10岁以上DDH患者的Kalamchi级无血管坏死。引用本文：Bone Joint J 2017; 99-B：1115-20。
