Ear Canal Surgery

Haar, Gert ter

doi:10.1002/9781119421344.ch22

Cited by 1 publication

(2 citation statements)

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“…Poor access and visualization of critical neurovascular structures including the facial nerve, retroarticular vein, external carotid artery, and maxillary vein may lead to iatrogenic damage resulting in perioperative complications. 4,5 Incomplete debridement of the epithelial lining of the external acoustic meatus may result in latent para-aural abscessation, which typically manifests 5.5-10 months postoperatively. 1,6 The most commonly encountered major intraoperative complication is severe hemorrhage from the retroarticular vein, maxillary vein, or external carotid artery during dissection around the external acoustic meatus.…”

Section: Introductionmentioning

confidence: 99%

“…TECA‐LBO is technically challenging due to the anatomic complexity of the region. Poor access and visualization of critical neurovascular structures including the facial nerve, retroarticular vein, external carotid artery, and maxillary vein may lead to iatrogenic damage resulting in perioperative complications 4,5 . Incomplete debridement of the epithelial lining of the external acoustic meatus may result in latent para‐aural abscessation, which typically manifests 5.5–10 months postoperatively 1,6 …”

Section: Introductionmentioning

confidence: 99%

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Influence of extreme brachycephalic conformation on perioperative complications associated with total ear canal ablation and lateral bulla osteotomy in 242 dogs (2010–2020)

Banks

Beever

Kaye³

et al. 2023

Veterinary Surgery

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Objective To determine the influence of extreme brachycephalic conformation on presenting signs, imaging findings, intraoperative and perioperative complications following total ear canal ablation and lateral bulla osteotomy (TECA‐LBO). Study design Cross‐sectional retrospective study. Animals A total of 306 (n = 242 dogs) TECA‐LBOs (extreme brachycephalic breeds [EBB] = 81, other breeds [OB] = 225). Methods Medical records of patients undergoing TECA‐LBO at a single referral institution (2010–2022) were evaluated. Results Extreme brachycephalic breeds most commonly presented acutely, at a younger age with oto‐neurological signs (46/81, 56.8%). Chronic otitis externa without neurological signs (171/225, 76.0%) was most common in OBs. Extreme brachycephalic breeds preoperatively presented more frequently with facial nerve paresis (p = .001), vestibular syndrome (p = .001), and Horner's syndrome (p = .002) compared to OBs. On diagnostic imaging, bilateral changes (p = .038), aural masses (p = .045), para‐aural abscesses (p = .011), otitis interna (p = .001), and brainstem changes (p = .001) were more common in EBBs. The apparent difference in intraoperative complication rate between EBBs (9/81, 11.1%) and OBs (12/225, 5.3%) did not reach statistical significance (p = .078). Perioperative complications occurred in 85/306 (27.8%) of TECA‐LBOs with no difference in perioperative complication rate between EBBs (19/81, 23.5%) and OBs (66/225, 29.3%) (p = .586). Conclusion Extreme brachycephalic breeds are more likely to present for TECA‐LBO acutely, with neurological signs and more advanced diagnostic imaging abnormalities. Intra‐ and perioperative complication rates did not differ between EBBs and OBs. Clinical significance Despite being subjectively more technically challenging, TECA‐LBO did not result in more surgical complications in EBBs. Reported data are useful for effectively informing clients of the specific risks of TECA‐LBO surgery.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%