Management of arteriovenous malformation of the ear: A protocol for resection and reconstruction
Marina Vilela Chagas Ferreira MD Dov Charles Goldenberg MD, PhD Vania Kharmandayan MD Rolf Gemperli MD, PhD
First published: 29 July 2019 https://doi.org/10.1002/lary.28209
Editor's Note: This Manuscript was accepted for publication on July 10, 2019.
The authors have no funding, financial relationships, or conflicts of interest to disclose.
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Abstract
Objective
Arteriovenous malformations (AVM) of the ear show unique features. Progressive growth or inadequate management of AVMs may lead to bleeding, infection, cartilage exposure, and ultimately loss of structure. Total ear amputation is an alternative; however, due to the structural complexity of the ear, reconstruction is technically challenging. This study presents a treatment algorithm based on a clinical series, with treatment options including resection and immediate and late reconstruction.
Methods
Between 2004 and 2018, 12 patients with auricular AVMs were treated with AVM resection and ear reconstruction at our hospital. Among these 12 patients, seven were women, and patients’ ages ranged between 4 and 34 years. Parameters considered before resection and reconstruction were compromised ear extension (partial, total, or extra‐auricular involvement), thickness (cutaneous and cartilaginous), symptoms (bleeding, infection, ulceration, and/or cartilage exposure), and preoperative embolization. Total resection of AVMs was planned as the first step in all cases, followed by primary closure. AVM resection was categorized into a partial or total procedure, resulting in partial or total ear defects. Reconstruction was categorized as immediate or delayed.
Results
Preoperative embolization was performed in 10 patients. AVMs were totally removed, resulting in seven total ear amputations. In six of these patients, total ear reconstruction was performed 6 months later, and all patients were recurrence‐free. Only one patient did not undergo ear reconstruction. Regrowth was not observed in any reconstructed ear.
Conclusion
Treatment of ear AVMs requires a planned approach to achieve favorable clinical outcomes and for concomitant safe and definitive reconstruction.
Level of Evidence
4 Laryngoscope, 2019
Marina Vilela Chagas Ferreira MD Dov Charles Goldenberg MD, PhD Vania Kharmandayan MD Rolf Gemperli MD, PhD
First published: 29 July 2019 https://doi.org/10.1002/lary.28209
Editor's Note: This Manuscript was accepted for publication on July 10, 2019.
The authors have no funding, financial relationships, or conflicts of interest to disclose.
Read the full text
ePDFPDFTOOLS SHARE
Abstract
Objective
Arteriovenous malformations (AVM) of the ear show unique features. Progressive growth or inadequate management of AVMs may lead to bleeding, infection, cartilage exposure, and ultimately loss of structure. Total ear amputation is an alternative; however, due to the structural complexity of the ear, reconstruction is technically challenging. This study presents a treatment algorithm based on a clinical series, with treatment options including resection and immediate and late reconstruction.
Methods
Between 2004 and 2018, 12 patients with auricular AVMs were treated with AVM resection and ear reconstruction at our hospital. Among these 12 patients, seven were women, and patients’ ages ranged between 4 and 34 years. Parameters considered before resection and reconstruction were compromised ear extension (partial, total, or extra‐auricular involvement), thickness (cutaneous and cartilaginous), symptoms (bleeding, infection, ulceration, and/or cartilage exposure), and preoperative embolization. Total resection of AVMs was planned as the first step in all cases, followed by primary closure. AVM resection was categorized into a partial or total procedure, resulting in partial or total ear defects. Reconstruction was categorized as immediate or delayed.
Results
Preoperative embolization was performed in 10 patients. AVMs were totally removed, resulting in seven total ear amputations. In six of these patients, total ear reconstruction was performed 6 months later, and all patients were recurrence‐free. Only one patient did not undergo ear reconstruction. Regrowth was not observed in any reconstructed ear.
Conclusion
Treatment of ear AVMs requires a planned approach to achieve favorable clinical outcomes and for concomitant safe and definitive reconstruction.
Level of Evidence
4 Laryngoscope, 2019
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