PMID: 3759632Sep 15, 1986Paper

Triple osteotomy of the pelvis and trochanteric osteotomy as a treatment for hip dysplasia in the immature dog: the surgical technique and results of 77 consecutive operations

Journal of the American Veterinary Medical Association
S C Schrader

Abstract

Triple osteotomy of the pelvis with transplantation of the greater trochanter was performed in 41 immature dogs (77 hips) with hip dysplasia. Before surgery, all hips were moderately to severely subluxated and unstable on palpation. The juxta-acetabular location of the ilial, ischial, and pubic osteotomies allowed repositioning of the acetabulum over the femoral head even when subluxation was severe. The acetabular fragment was rotated 70 degrees to 90 degrees in all hips. After surgery, craniodorsal coverage of the femoral head was increased and each hip was stable on palpation. Bilateral procedures were performed 4 to 7 weeks apart. The functional status of the limb was assessed and physical examination and radiography were performed in 71% (55) of the hips 1.0 to 5.5 years (mean, 2.7 years) after surgery. Functional ability was considered satisfactory in 93% (51) of the limbs, though few dogs had a normal gait. On palpation, all hips were stable and all but one were evaluated as nonpainful. In most instances, contact between the femoral neck and the repositioned acetabular rim resulted in a variable amount of crepitus and restriction of motion when the hip was abducted and rotated externally and internally. Eighty-two percen...Continue Reading

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