Reconstruction of the distal radius facet by a free vascularized osteochondral autograft:: Anatomic study and report of a patient

被引:24
作者
del Piñal, F
García-Bernal, FJ
Delgado, J
Sanmartín, M
Regalado, J
机构
[1] Hosp Mutua Montanesa, Inst Cirugia Plast & Mano, Santander, Spain
[2] Clin Mompia, Santander, Spain
来源
JOURNAL OF HAND SURGERY-AMERICAN VOLUME | 2005年 / 30A卷 / 06期
关键词
osteochondral defects; intra-articular distal radius malunion; distal radius osteotomy; free flap;
D O I
10.1016/j.jhsa.2005.07.005
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
Purpose: Large chondral defects of the distal radius after fractures present a reconstructive challenge. The purpose of this study was to present the anatomic findings from a cadaver of a vascularized osteochondral autograft taken from the third metatarsal appropriate for reconstructing the distal radius articular facet. A patient is presented in whom 70% of the scaphoid fossa was reconstructed with this technique. Methods: The base of the third metatarsal was studied in the feet of 20 cadavers. The size and shape of the cartilage were measured. Additionally vessel distribution was recorded and the diameters of vascular foramina were measured with Juch's method. Results: The base of the third metatarsal is pear shaped and is wider dorsally than plantarly. it averages 19.2 mm long on its main axis. Its cartilaginous surface is minimally concave or flit and it is slanted slightly proximal-dorsal to distal-plantar and proximal-peroneal to distal-tibial. Nutrient foramina were found in every case in the dorsum and on both sides of the proximal shaft. At least 1 nutrient vessel could be tracked back to the dorsalis pedis in every dissected specimen. Conclusions: The anatomic features of the base of the third metatarsal make it a potential vascularized autograft to consider for osteochondrai defects of the distal radius.
引用
收藏
页码:1200 / 1210
页数:11
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