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Abstract

OBJECTIVE To investigate clinical outcomes for dogs surgically treated for medial shoulder joint instability (MSI) by extracapsular stabilization with a prosthetic ligament.

DESIGN Retrospective multicenter case series.

ANIMALS 39 client-owned dogs.

PROCEDURES Medical records of 3 veterinary medical centers were searched to identify dogs with MSI diagnosed by clinical examination and arthroscopic assessment and treated by extracapsular stabilization with a prosthetic ligament. A minimum 6-month follow-up period was required for study inclusion. Signalment, function or use of the dog, duration of clinical signs, clinical and diagnostic imaging data, MSI grade (1 [mild] to 4 [complete luxation]), follow-up duration, complications, and outcome data were recorded.

RESULTS All grades of MSI were represented. Implants were placed successfully in all dogs. Complications (4 major and 2 minor) were recorded for 6 of 39 (15%) dogs; all were treated successfully. Function at the time of last follow-up (6 to 68 months) was deemed full in 30 of 39 (77%) dogs and acceptable in 9 (23%).

CONCLUSIONS AND CLINICAL RELEVANCE Surgical treatment of MSI in dogs by extracapsular stabilization with a prosthetic ligament was associated with a complication rate considered acceptable for orthopedic procedures. All patient outcomes were considered successful.

Full access
in Journal of the American Veterinary Medical Association

Abstract

Objective

To evaluate the effects of orally administered glucosamine hydrochloride (GIAm)–chondroitin sulfate (sCS) and GIAM–CS–S-adenosyl-L-methionine (SAMe) on chemically induced synovitis in the radiocarpal joint of dogs.

Animals

32 adult mixed-breed dogs.

Procedure

For 21 days, all dogs received a sham capsule (3 groups) or GIAm-CS (prior treatment group) in a double-blinded study. Unilateral carpal synovitis was induced by injecting the right radiocarpal joint with chymopapain and the left radiocarpal joint (control joint) with saline (0.9% NaCl) solution. Joints were injected on alternate days for 3 injections. After induction of synovitis, 2 groups receiving sham treatment were given GIAm-CS or GIAm-CS–SAMe. Another group continued to receive sham capsules (control group). Joint inflammation was quantified, using nuclear scintigraphy, before injection of joints and days 13, 20, 27, 34, 41, and 48 after injection. Lameness evaluations were performed daily.

Results

Dogs given GIAm-CS before induction of synovitis had significantly less scintigraphic activity in the soft-tissue phase 48 days after joint injection, significantly less uptake in the bone phase 41 and 48 days after joint injection, and significantly lower lameness scores on days 12 to 19, 23, and 24 after injection, compared with other groups.

Conclusions and Clinical Relevance

Analysis of results of this study suggest that prior treatment with GIAm-CS for 21 days had a protective effect against chemically induced synovitis and associated bone remodeling. Prior treatment with GIAm-CS also reduced lameness in dogs with induced synovitis. (Am J Vet Res 1999;60:1552–1557)

Free access
in American Journal of Veterinary Research

Abstract

OBJECTIVE To determine rate of and factors associated with return to agility competition for dogs with cranial cruciate ligament (CrCL) rupture treated with tibial plateau leveling osteotomy (TPLO).

DESIGN Retrospective case series with nested case-control study.

ANIMALS 31 dogs involved in agility competition with CrCL tears treated by TPLO at a private veterinary clinic from 2007 through 2013.

PROCEDURES Medical records were reviewed to collect information on dog signalment, lesion characteristics, and surgical data. Owners completed a survey regarding whether and when their dog returned to agility competition after TPLO and, if so, how the dog performed. Performance data before and after TPLO were compared.

RESULTS 20 of 31 (65%) dogs returned to agility competition after TPLO, 16 (80%) of which returned within 9 months after TPLO. The mean convalescent period for returning dogs was 7.5 months (range, 3 to 12 months). No dog that returned to competition sustained an injury to the affected limb during the follow-up period. No significant difference was identified between dogs that returned or did not return to agility competition regarding severity of osteoarthritis or proportions with meniscal injury or partial (vs complete) CrCL tears.

CONCLUSIONS AND CLINICAL RELEVANCE These data suggested that the prognosis for returning to agility competition was good for dogs undergoing TPLO. None of the evaluated lesion characteristics were associated with return to competition. Rate of return to competition and duration of the convalescent period may be useful outcome variables for future investigations involving orthopedic procedures in dogs.

Full access
in Journal of the American Veterinary Medical Association