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Abstract

OBJECTIVE

To evaluate outcomes and complication rate of utilizing a string-of-pearls (SOP) plate augmented with adjunctive fixation in the repair of canine femur fractures.

METHODS

Records of canine patients with mid-diaphyseal femoral fractures repaired with the SOP plate and adjunctive fixation were reviewed. Information retrieved from medical records included signalment, patient weight, fracture configuration, repair technique, healing time, and complications based on perioperative radiographic follow-up to clinical union. Forty client-owned dogs met inclusion criteria for this study. Variables analyzed for association with major complications included body weight, fracture configuration, repair technique, and adjunctive fixation.

RESULTS

Major complications requiring surgical revision occurred in 8 of 40 fractures. Five cases experienced intramedullary pin migration and were successfully treated with sedated pin removal. The remaining 3 cases involved implant failure via screw shear breakage and required surgical revision of the fixation to achieve a successful outcome. On the basis of a calculated Bonferroni correction, no statistical significance of the tested variables was found in association with major complications; however, significance was limited due to the low statistical power of this study.

CONCLUSIONS

The use of adjunctive fixation with the SOP locking plate system led to radiographic union without complication in most cases, and no instances of plate breakage were reported. However, implant complications secondary to the adjunctive fixation can occur.

CLINICAL RELEVANCE

Adjunctive fixation used with the SOP plate for repair of canine femur fractures has a high success rate, though pin migration as a complication persists.

Full access
in Journal of the American Veterinary Medical Association

Abstract

OBJECTIVE

To evaluate short- and long-term outcomes for dogs undergoing anal sacculectomy for massive (> 5 cm) apocrine gland anal sac adenocarcinoma (AGASACA).

ANIMALS

28 client-owned dogs with massive AGASACA.

PROCEDURES

A retrospective multi-institutional study was performed. Pre-, intra-, and post-operative data was collected, and variables were statistically analyzed for associations with progression-free interval (PFI) and overall survival (OS).

RESULTS

At the time of anal sacculectomy, 19 (68%) dogs underwent concurrent iliosacral lymph node extirpation, including 17 of 18 (94%) dogs with suspected nodal metastasis preoperatively. Five (18%) dogs experienced grade 2 intraoperative complications. Ten (36%) dogs experienced postoperative complications, including 1 grade 3 and 1 grade 4 complication. No dogs had permanent fecal incontinence, tenesmus, or anal stenosis. Nineteen dogs received adjuvant chemotherapy, radiation, or both. Local recurrence occurred in 37% of dogs. Dogs with lymph node metastasis at surgery were more likely than dogs without metastasis to develop new/progressive lymph node metastasis (10/17 [59%] vs 0/10 [0%]; P = .003) and distant metastasis (7/17 [41%] vs 0/10 [0%]; P = .026). Median PFI was 204 days (95% CI, 145 to 392). Median OS was 671 days (95% CI, 225 to upper limit not reached). Nodal metastasis at the time of surgery was associated with shorter PFI (P = .017) but not OS (P = .26). Adjuvant therapy was not associated with outcome.

CLINICAL RELEVANCE

Dogs with massive AGASACA experienced prolonged survival following anal sacculectomy despite a high incidence of local recurrence and metastasis. Lymph node metastasis at the time of surgery was a negative prognostic indicator for PFI but not OS.

Full access
in Journal of the American Veterinary Medical Association