Single oblique osteotomy for correction of antebrachial angular and torsional deformities in a dog

Sun Young Kim, Kyle A. Snowdon, Charles E. DeCamp

Research output: Contribution to journalArticle

Abstract

CASE DESCRIPTION A 9-month-old 4.6-kg (10.1-lb) spayed female Shih Tzu was examined for a 4-week history of left forelimb lameness. CLINICAL FINDINGS Moderate left forelimb lameness was present when weight bearing, accompanied by buckling of the left carpal joint and moderate signs of pain with hyperextension of the elbow joint. A 32° angular deformity of the left radius in a 45° craniomedial oblique plane (equivalent to 23° valgus and 23° procurvatum) and a 55° external torsional deformity were measured on 3-D reconstructed CT images. Humeroulnar incongruity of the left elbow joint was also evident. Single oblique osteotomy (SOO) and dynamic proximal ulnar osteotomy were recommended. TREATMENT AND OUTCOME Creation of a 3-D printed bone model from reconstructed CT images aided surgical planning. The SOO was located 45° medial to the sagittal plane of the left radius at the level of the center of rotation of angulation. The SOO was oriented 32° distolaterally from the transverse plane of the radius and traversed the left ulna. The bones were rotated along the osteotomy into grossly proper alignment and stabilized with a plate and bone screws. Dynamic proximal ulnar osteotomy was then performed. Six months after surgery, radiographs showed remodeling at the SOO site and the lameness had resolved. The owners expressed satisfaction with the outcome. CLINICAL RELEVANCE In dogs with angular and torsional long bone deformities, SOO may be a viable alternative to wedge osteotomies. The SOO simultaneously addressed angular and torsional deformities without bone loss and provided rigid internal fixation.

Original languageEnglish (US)
Pages (from-to)333-339
Number of pages7
JournalJournal of the American Veterinary Medical Association
Volume251
Issue number3
DOIs
StatePublished - Jan 1 2017
Externally publishedYes

Fingerprint

Osteotomy
Dogs
dogs
bones
radius (bone)
lameness
Bone and Bones
Elbow Joint
Forelimb
elbows
forelimbs
joints (animal)
osteotomy
Bone Screws
Wrist Joint
Ulna
ulna
Weight-Bearing
screws
pain

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Single oblique osteotomy for correction of antebrachial angular and torsional deformities in a dog. / Kim, Sun Young; Snowdon, Kyle A.; DeCamp, Charles E.

In: Journal of the American Veterinary Medical Association, Vol. 251, No. 3, 01.01.2017, p. 333-339.

Research output: Contribution to journalArticle

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