Objective: To compare complications of dogs treated with mandibular and sublingual sialoadenectomy for sialocele using a lateral (LAT) or ventral paramedian (VPM) approach.

Study Design: Retrospective multicenter study.

Animals: Dogs (140) with mandibular and sublingual sialocele.

Methods: Medical records of dogs that underwent mandibular and sublingual sialoadenectomy through a LAT or VPM approach from 2004 to 2020 were reviewed. Clinical and histopathological findings were analyzed to compare the groups.

Results: Seventy dogs were included in each group. The most represented breed was crossbreed (26%), and males (99/140 [71%], intact/neutered) were overrepresented. Dogs in the VPM approach group were more likely to undergo digastricus tunnelization and placement of a drain or a bandage. Dogs in the LAT approach group were heavier and more likely to undergo excision of an inflammatory pseudocapsule. No difference was detected in complication rates between groups (LAT [20%], VPM [31%], P = .116). Recurrences were more likely after LAT approach (5/70 vs 0/70, respectively; P = .029), whereas wound-related complications were more likely after VPM approach (20/70 vs 9/70, respectively; P = .018). Prolonged duration of surgery was associated with an increased risk of recurrence, and none of the other variables affected the complication rate.

Conclusion: Ventral paramedian approach for mandibular and sublingual sialoadenectomy was associated with a lower risk of recurrence but a higher risk of wound-related complications compared with LAT approach.

Clinical Significance: Ventral paramedian approach for mandibular and sublingual sialoadenectomy may be preferred to reduce recurrence in dogs with sialoceles, but wound-related complications are common.

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Source
http://dx.doi.org/10.1111/vsu.13601DOI Listing

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