PurposeTo describe a surgical approach to correct entropion and overlong lower eyelids in dogs by combining the Celsus–Hotz with the modified Kuhnt–Szymanowski technique.MethodsMedical records of patients undergoing the described surgical procedure were reviewed. A semilunar‐shaped piece of lower eyelid was excised and combined with an angled incision at the most lateral aspect of the wound. Adjacent to this incision a skin flap was mobilized to expose the subcutaneous tissue in the ventral aspects. A four‐sided wedge resection was used to shorten the lid margin in variable positions. Following closure of the eyelid margin wedge resection, a wedge of equal width was removed from the lateral skin flap. Skin and subcutaneous tissues were closed in a routine fashion.ResultsAll surgeries were performed by an ECVO diplomate or resident. The surgery was performed unilaterally in four and bilaterally in 18 dogs. Most common breeds were English Bulldog (n = 7), Saint Bernard (3), Rottweiler (2) and Cane Corso Italiano (2). Median age was 22 months (range 5–100 months). Median follow‐up was 30 days (range 9–987 days). A single surgical procedure was sufficient to correct the entropion in 97.5% (39/40) of eyes.ConclusionThe combination technique described is a suitable surgical procedure to simultaneously correct lower lid entropion and excessive eyelid length, with the added benefits of a stepped wound closure and a flexible lid margin wedge positioning.
To determine the in vitro antimicrobial activity of N-acetylcysteine (NAC) against common pathogens associated with infectious keratitis in dogs and cats, clinical isolates of Staphylococcus (S.) pseudintermedius (n = 20), Streptococcus (St.) canis (n = 10) and Pseudomonas (P.) aeruginosa (n = 7) of canine and feline infectious ulcerative keratitis and a quality control strain (P. aeruginosa DSM 19880) were tested. The minimal inhibitory concentration (MIC) of NAC concentrations was determined using microdilution methodology. For S. pseudintermedius and P. aeruginosa, NAC concentrations in the range of 1.56 mg/mL (0.156%) to 100 mg/mL (10%), and for St. canis, concentrations ranging from 0.195 mg/mL (0.0195%) to 6.25 mg/mL (0.625%) were tested. For S. pseudintermedius, the MIC was 3.12 mg/mL (0.312%) for all tested isolates. For P. aeruginosa isolates and the quality control strain, the MIC ranged from 3.12 mg/mL (0.312%) to 6.25 mg/mL (0.625%). For St. canis, the MIC ranged from 1.56 mg/mL (0.156%) to 3.12 mg/mL (0.312%). NAC has an in vitro antimicrobial activity against three bacterial species commonly found in infectious keratitis in dogs and cats and therefore may be a promising alternative or adjuvant to topical antibiotics. The results warrant a clinical pilot study to assess the potential of NAC to reduce or replace the use of topical antibiotics in line with the One Health approach.
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