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Evolution of concentricity after closed reduction in developmental dysplasia of the hip.

发育性髋关节发育不良闭合复位后同心度的演变。

  • 影响因子:3.58
  • DOI:10.1302/0301-620X.102B5.BJJ-2019-1496.R1
  • 作者列表:"Zhou W","Sankar WN","Zhang F","Li L","Zhang L","Zhao Q
  • 发表时间:2020-05-01
Abstract

AIMS:The goal of closed reduction (CR) in the treatment of developmental dysplasia of the hip (DDH) is to achieve and maintain concentricity of the femoral head in the acetabulum. However, concentric reduction is not immediately attainable in all hips and it remains controversial to what degree a non-concentric reduction is acceptable. This prospective study is aimed at investigating the dynamic evolution of the hip joint space after CR in DDH using MRI. METHODS:A consecutive series of patients with DDH who underwent CR since March 2014 were studied. Once the safety and stability were deemed adequate intraoperatively, reduction was accepted regardless of concentricity. Concentricity was defined when the superior joint space (SJS) and medial joint space (MJS) were both less than 2 mm, based on MRI. A total of 30 children, six boys and 24 girls, involving 35 hips, were recruited for the study. The mean age at CR was 13.7 months (3.5 to 27.6) and the mean follow-up was 49.5 months (approximately four years) (37 to 60). The joint space was evaluated along with the interval between the inverted and everted limbus. RESULTS:Only three hips (8.6%) were fully concentric immediately after CR. During follow-up, 24 hips (68.6%) and 27 hips (77.1%) became concentric at six months and one year, respectively. Immediate SJS after CR decreased from 3.51 mm to 0.79 mm at six months follow-up (p = 0.001). SJS in the inverted group decreased from 3.75 mm to 0.97 mm at six months follow-up. SJS or MJS in the everted group were less than those in the inverted group at each time of follow-up (p = 0.008, p = 0.002). CONCLUSION:A stable, safe but non-concentric reduction achieved before the age of two years appears to improve over time with nearly 80% of hips becoming fully concentric by one year. Cite this article: Bone Joint J 2020;102-B(5):618-626.

摘要

目的: 闭合复位 (CR) 治疗发育性髋关节发育不良 (DDH) 的目的是实现和维持髋臼内股骨头的同心度。然而,同心复位并不是所有髋关节都能立即实现的,在多大程度上可以接受非同心复位仍然存在争议。本前瞻性研究旨在利用MRI研究DDH CR后髋关节间隙的动态演变。 方法: 对 2014 年 3 月以来连续接受CR的DDH患者进行研究。一旦安全性和稳定性在术中被认为足够,无论同心度如何,都接受复位。根据MRI,当关节上间隙 (SJS) 和内侧间隙 (MJS) 均小于 2mm时,定义同心度。研究共招募了 30 名儿童,6 名男孩和 24 名女孩,涉及 35 髋。CR时的平均年龄为 13.7 个月 (3.5-27.6),平均随访时间为 49.5 个月 (约四年) (37-60)。评估关节间隙以及倒置和外翻角膜缘之间的间隔。 结果: CR后即刻仅有 3 髋 (8.6%) 完全同心。随访期间,分别有 24 髋 (68.6%) 和 27 髋 (77.1%) 在 6 个月和 1 年时变得同心。CR后即刻SJS从 3.51毫米降至 6 个月随访时的 0.79毫米 (p = 0.001)。6 个月随访时,倒置组SJS从 3.75毫米降至 0.97毫米。每次随访时外翻组SJS或MJS均少于倒置组 (p = 0.008,p = 0.002)。 结论: 在两岁前实现的稳定、安全但非向心性复位似乎会随着时间的推移而改善,近 80% 的髋关节在一年内变得完全向心性。引用本文: 骨关节J 2020;102-B(5):618-626。

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DOI:10.1007/s00787-019-01345-1
作者列表:["Peyroux E","Babinet MN","Cannarsa C","Madelaine C","Favre E","Demily C","Michael GA"]

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影响因子:0.95
发表时间:2020-02-01
DOI:10.1007/s11845-019-02039-y
作者列表:["Sheridan GA","Nagle M","Howells C","Gallagher O","Kiely PJ","O'Toole P","Kelly PM","Moore DP"]

METHODS:BACKGROUND:We describe the first radiographic clinic in the literature for DDH and how this novel clinic can significantly improve the efficiency and cost-effectiveness of service in a tertiary referral centre. AIMS:A radiographic clinic for the management of developmental dysplasia of the hip was introduced in 2017 in our institution. We performed a detailed cost analysis to assess the economic savings made with the introduction of this new clinic. We assessed the efficiency of the service by identifying how many unnecessary outpatient visits were prevented. We also assessed the difference in times from referral to review between the two clinics. METHODS:Analysis of the clinic activity in 2017 was possible as all data was collected prospectively by the DDH CNS and stored in our database. Cost analysis was performed, and the savings made per patient along with the financial benefit to our institution was recorded. RESULTS:The new radiographic clinic reduced the cost of reviewing one patient by €162.51 per patient. There was a 73% discharge rate from the clinic which prevented 251 unnecessary patient visits to the outpatient department over the course of the year. There was a significant 11-day reduction in waiting times between referral and review when comparing the radiographic to the conventional clinic (p < 0.05). CONCLUSIONS:A radiographic clinic for the management of developmental dysplasia of the hip has a significant effect on the efficiency and overall cost-effectiveness of service provision in a tertiary referral centre.

翻译标题与摘要 下载文献
影响因子:2.43
发表时间:2020-01-15
DOI:10.5435/JAAOS-D-16-00918
作者列表:["Grigoryan G","Korcek L","Eidelman M","Paley D","Nelson S"]

METHODS:INTRODUCTION:Triple pelvic osteotomy (TPO) involves periacetabular osteotomies of the ilium, ischium, and pubis to reorient the acetabulum. This operation is indicated in certain situations for the treatment of developmental dysplasia of the hip, dysplastic neuromuscular hips, and for containment of the femoral head in cases of Legg-Calvé-Perthes disease. METHODS:This retrospective cohort study compares radiographic outcomes of patients who underwent TPO using two different techniques and describes a novel single-incision direct lateral approach. TPO was performed on 22 patients by the senior author. The first 10 patients underwent TPO through a single-incision anterolateral approach. The last 12 patients underwent TPO using the direct lateral approach. Preoperative and postoperative pelvic radiographs were reviewed for each patient, and the migration index and center-edge angle were recorded. RESULTS:The migration index and center-edge angle were evaluated and were not found to be significantly different between the anterolateral and direct lateral groups. The direct lateral approach is described. CONCLUSION:The direct lateral approach for TPO is equivalent to the anterolateral approach on radiographic evaluation. Advantages of the direct lateral approach include direct visualization of the ischial osteotomy, effective mobilization of the acetabulum, and safety of the sciatic nerve.

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肌肉骨骼畸形方向

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