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Cochlear Implant Explantation as a Sequela of Severe Infection-Case Report

人工耳蝸植入後因感染移出-病例報告

摘要


Wound infection is a rare but serious problem after cochlear implant (CI) surgery. To date, no consensus has been reached on the decision to remove a CI in the setting of severe infection. This report documents a long-term CI wound infection that causes mastoiditis in a pediatric patient. After conservative management by intravenous antibiotics, surgical debridement, and a redesigned flap, the decision was made to explant the device. If CI wound infection recurs for >6 weeks or if purulence is in direct contact with the device, then explantation becomes necessary for wound recovery.

並列摘要


病患為3歲8個月女童,於1歲11個月大時接受右側人工耳蝸植入。主述為右耳後皮膚紅腫痛持續1周,接受兩次傷口切開引流手術,細菌培養為methicillin-resistant Staphylococcus aureus,接受抗生素治療teicoplanin及傷口照護。第三次清創手術中,發現植入體周圍有許多肉芽組織及膿瘍,清創並以優碘稀釋液清潔植入體,同時使用顳肌皮瓣覆蓋植入體,術後傷口仍有膿瘍。抗生素(teicoplanin)治療已持續4周仍無成效,因組織感染嚴重,故安排手術將人工耳蝸植入體移植並清洗傷口,術後抗生素治療及傷口照護持續4周,傷口癒合良好。臨床中人工耳蝸感染少見,多為輕微軟組織感染。若保守治療超過6周仍無效,或植入體直接與膿瘍碰觸,則必須移植植入體。感染治癒3到6個月後可重新放置人工耳蝸。

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