Subcutaneous Emphysema Caused by Dental Treatment in a Cat

SAHASHI Yu, SAHASHI Miwako, NAKAHIGASHI Reko, KITANO Yukari, HIKASA Yoshiaki

doi:10.11252/dobutsurinshoigaku.31.21

<p>A mixed breed and castrated male cat, aged approximately 7 years, had decreased appetite and hypersalivation since a month. Oral examination revealed severe periodontitis and loose maxillary canines. The condition was diagnosed as anorexia due to severe periodontitis. On the 30th day of the illness, total extraction of all teeth was performed under general anesthesia. When the left mandibular canine was dried with an air syringe during the extraction procedure, swelling and crepitus were observed in the left mandibular region. Radiographic examination revealed air permeation in the lower jaw showing subcutaneous emphysema. After confirming that the vital signs did not worsen, the treatment was continued, and the remaining teeth were extracted. After the treatment, 8 mg/kg cefovecin sodium was administered subcutaneously. Crepitus was observed on the 3rd day postoperatively, but it disappeared on the 7th day. Moreover, no findings suggestive of air permeation were observed on radiography. There were no complications such as incomplete union observed in the wound. Thus, this case shows that tooth extraction has a potential risk of emphysema development. When using an air syringe, it is necessary to pay attention to the direction of the compressed air being discharged.</p>

Subcutaneous Emphysema Caused by Dental Treatment in a Cat

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