Aural haematoma5/17/2023 With patients under anesthesia, the aural hematomas were approached surgically from the convex, or lateral, pinnal surface. Surgery is considered more likely to definitively treat the condition with good cosmetic results.ĥ dogs (a Newfoundland, Golden Retriever, Shiba Inu, Staffordshire Terrier, and Vizsla) were referred for evaluation and treatment of unilateral aural hematomas within a week after their formation.Īural hematomas involved the left (3) or right (2) ears. This study describes the relative popularity and perceived success of treatments used for aural haematoma in the dog. Cosmetic results with medical management were excellent and with surgical treatment were good. Recurrent haematoma was treated more commonly with surgery (67%) than that of the initial presentation. The most common reason to select a particular treatment was previous success (76%). Surgical procedures included linear incision with sutures alone (35%) or sutures plus stents (24%) and an S-shaped incision with sutures (23%). On initial presentation, treatments included needle drainage with local deposition of corticosteroids (43%), surgery (29%) and needle drainage without corticosteroids (16%). Totally 312 email addresses were invalid, 259 questionnaires were completed (12♵% response rate) and 251 were included in analysis. Questions investigated treatment selection for initial and repeat presentations of aural haematoma in dogs and their opinion of treatment success to prevent recurrence and for good cosmesis. Totally 2386 emails were sent to veterinary surgeons and practices inviting them to complete an online survey. To survey the current treatment techniques of aural haematomas in dogs and investigate veterinary opinion regarding treatment success. The results of fluid analysis suggest that the term "aural seroma" would be more appropriate for this condition. This technique was characterised by patient comfort, tolerance of drains, absence of dressings and good cosmetic outcome. Fluids and cartilage lacked evidence of inflammation. Histologic examination of the tissue samples revealed clefts of the pinna cartilage, with the luminal surface often lined with granulation tissue. ![]() Fluid sample analysis suggested that "aural haematoma" contains a transudate that accumulates within a cartilage-lined cavity. In one case, infection required early drain removal and delayed healing was associated with wrinkling of the pinna. Nine of the 10 dogs were successfully treated without recurrence at 6 months postoperatively and with excellent cosmetic results. Cartilage samples were examined histologically. ![]() Systemic blood samples and aural haematoma fluids were analysed for biochemical, haematologic and electrophoretic content. ![]() Ten client-owned dogs with aural haematoma were treated by convex-side vacuum drainage using different types of vacuum drains and containers and were followed-up for at least 6 months. To investigate aural haematoma fluid and cartilage samples harvested during surgery in an attempt to elucidate the etiopathogenesis of the lesion. To evaluate continuous vacuum drainage from the convex side of the pinna for surgical treatment of aural haematoma in dogs.
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