Modified Acetabuloplasty using Bioresorbable Screws and Lyophilised Allogenic Bone

被引:3
|
作者
Funk, J. F. [1 ]
Perka, C. [1 ]
Pruss, A. [2 ]
Meiss, A. L.
Placzek, R. [1 ]
机构
[1] Orthopad Univ Klin Charite, Centrum Muskuloskeletale Chirurg, D-10117 Berlin, Germany
[2] Charite, Gewebebank, Inst Transfus Med, D-13353 Berlin, Germany
来源
ZEITSCHRIFT FUR ORTHOPADIE UND UNFALLCHIRURGIE | 2008年 / 146卷 / 06期
关键词
acetabuloplasty; allogenic bone graft; bioresorbable implants; congenital hip dysplasia; Perthes disease;
D O I
10.1055/s-2008-1038797
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Aim: Various pericapsular procedures are available to surgically improve the acetabular coverage of the femoral head prior to closure of the triradiate cartilage. In this study the acetabuloplasty with the modification according to Westin (Pember-Sal) was applied. Indications for surgery were congenital hip dysplasia or luxation as well as Perthes' disease. To date, the standard procedures for acetabuloplasty include the transplantation of an autologous iliac crest bone graft and the fixation with K-wires. The aim of this study was to investigate if a modification of the operative procedure with the use of resorbable screws and allogenic bone transplants can minimise the operative trauma, avoid a second procedure, and permit MRI follow-ups without increasing the risk of the operation. Method: 15 patients with a mean age of 6.7 years were included in this case series and treated with a modified acetabuloplasty for the indication hip dysplasia or Perthes' disease. The modification of the standard procedure included the transplantation of allogenic bone wedges customised from lyophilised femoral grafts. The fixation was performed with bioresorbable polylactide screws. Clinical and radiographical follow-ups were conducted. Results: Procedure-related complications occurred neither in the intra- nor the postoperative period. The allogenic bone graft was remodelled successively as seen on radiographic controls. Dislocations of the bone wedges were not detectable. Subsiding of the allograft did not occur to a noticeable extent as the acetabular index showed no increase during follow-up. Conclusion: This study presents a gentle method of acetabuloplasty which avoids iliac crest bone harvesting with its known complications as well as a second procedure under anaesthesia for the removal of implants.
引用
收藏
页码:720 / 724
页数:5
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