Proximal femoral deformity correction and total hip arthroplasty in a dog using 3D printed custom guides

被引:2
|
作者
Carvajal, Jose L. [1 ]
Kim, Stanley E. [1 ]
机构
[1] Univ Florida, Coll Vet Med, Dept Clin Sci, 100126,2015 SW 16 Ave, Gainesville, FL 32610 USA
关键词
SUBSIDENCE; STEM; CLASSIFICATION; ABNORMALITIES; REPLACEMENT; PROSTHESIS; REDUCTION; OSTEOTOMY; FRACTURE;
D O I
10.1111/vsu.13876
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
Objective: To report the successful correction of a proximal femoral deformity (PFD) and total hip arthroplasty (THA) in a dog with the use of three-dimensionally (3D) printed custom surgical guides (CSGs). Study design: Case report. Animals: One-year-old, male neutered, Goldendoodle. Methods: Uniapical proximal varus and recurvatum femoral deformity (PFD) precluded femoral stem placement for THA, which was indicated for severe hip dysplasia. Using CT-derived bone and implant models, custom ostectomy and reduction guides for deformity correction were designed. A 13-hole 3.5 mm locking compression plate was contoured and applied to 3D printed models of the corrected femur and screw trajectory holes were incorporated into the CSGs. Results: A caudolateral closing wedge ostectomy of the proximal femur was achieved with the aid of the CSGs and precontoured plate to within 2 degrees of varus and 1 degrees of recurvatum of the virtual surgical plan. Placement of a press-fit femoral stem was achieved with 7 degrees of varus and 9 degrees of caudal angulation. The plate was secured using six locking screws, two cortical screws, and two 18-gauge double-loop cerclage wires. No lameness and normal range of motion of the hip were observed on clinical examination 3 months after surgery. Radiographs at 3 and 6 months revealed static implant positioning, and complete bony union at the ostectomy site. Conclusion: Virtual surgical planning and CSGs led to successful concurrent THA and femoral deformity correction.
引用
收藏
页码:168 / 175
页数:8
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