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  • Author or Editor: W. Michael Taylor x
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Abstract

Objective—To evaluate the effectiveness and treatment outcome of a minimal surgical debridement and antimicrobial-impregnated gauze packing technique for treatment of dental abscesses in rabbits.

Design—Retrospective case series.

Animals—13 rabbits with 14 dental abscesses.

Procedures—Medical records of pet rabbits with dental abscesses were reviewed. Rabbits that underwent a wound-packing treatment protocol with a follow-up period of > 6 months were included. Pretreatment evaluation included physical examination, skull radiography, CBC and plasma biochemical profile, and an endoscopically guided dental examination. The surgical procedure consisted of lancing the abscess, cleaning the cavity, minimal debridement, and packing with strips of synthetic gauze impregnated with a selected antimicrobial. Purulent material from abscesses was submitted for bacterial culture. The procedure was repeated weekly until abscess resolution. Rabbits also received systemic treatment with antimicrobials.

Results—Rabbit ages ranged from 1 to 5 years. Anaerobic bacteria were cultured from 6 abscesses and aerobic bacteria from 5; no bacteria were cultured from 4 abscesses. Antimicrobials most commonly used in packing procedures were ampicillin and clindamycin; trimethoprim-sulfamethoxazole with metronidazole and azithromycin were given most often for systemic treatment. Thirteen of 14 abscesses resolved, and rabbits were followed for a mean ± SD period of 32.6 ± 24.3 months. Number of packing procedures used to obtain resolution of infection was 4.8 ± 2.2.

Conclusions and Clinical Relevance—Minimal surgical debridement followed by antimicrobial-impregnated gauze packing of the abscess cavity is an effective and practical option for the long-term resolution of dental abscesses in rabbits when combined with systemic treatment with appropriate antimicrobials.

Restricted access
in Journal of the American Veterinary Medical Association

Abstract

Objective—To determine the effects of meloxicam and butorphanol on minimum alveolar concentration of isoflurane (MACISO) in rabbits.

Animals—10 healthy young adult female rabbits.

Procedure—Rabbits were anesthetized with isoflurane on 3 occasions in a blinded, randomized complete block design to determine the MACISO associated with administration of meloxicam (0, 0.3, or 1.5 mg/kg, PO) and butorphanol (0.4 mg/kg, IV). The MACISO was determined by use of a paw clamp technique as the end-tidal concentration of isoflurane halfway between the values that allowed or inhibited purposeful movement. Rectal temperature, end-tidal CO2 concentration, heart rate, oxygen saturation, and arterial blood pressure were measured to evaluate cardiopulmonary function.

Results—Mean ± SE MACISO in saline (0.9% NaCl) solution–treated rabbits was 2.49 ± 0.07% and was not significantly different from that associated with administration of meloxicam at 0.3 mg/kg (2.56 ± 0.07%) or 1.5 mg/kg (2.66 ± 0.07%). Butorphanol significantly reduced the MACISO to 2.30 ± 0.07% when administered with saline solution alone, 2.27 ± 0.07% when administered with 0.3 mg of meloxicam/kg, and 2.33 ± 0.07% when administered with 1.5 mg of meloxicam/kg. The percentage reduction in MACISO was significantly greater for rabbits that received butorphanol and meloxicam at either dose, compared with butorphanol and saline solution.

Conclusions and Clinical Relevance—Results indicated that meloxicam does not have a direct isoflurane-sparing effect and does not interfere with the anesthetic-sparing effect of butorphanol in rabbits.

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in American Journal of Veterinary Research