Background Despite many advances in the treatment for extracranial arteriovenous malformations(AVMs),they still result in tedious dissection and potential unacceptable complications,particularly in children.Therefore,...Background Despite many advances in the treatment for extracranial arteriovenous malformations(AVMs),they still result in tedious dissection and potential unacceptable complications,particularly in children.Therefore,this study aimed to investigate the efficacy and safety of intralesional interstitial injection of bleomycin for the treatment of children with AVMs.Methods A total of 10 children(6 boys and 4 girls)with AVMs were treated with serial interstitial bleomycin injections between May 2014 and January 2017.Maximum single doses of 15 U and 1 U/kg per session were administered for six sessions at a 1-month interval.Therapeutic effectiveness was evaluated and classified into four categories:complete response(CR),partial response(PR),no response,and worsening at 3 months after the last session.Further clinical follow-up outcomes were classified as improved,stable,or aggravated.Adverse events were recorded according to the Society of Interventional Radiology classification.Results All 10 children completed the sessions and follow-ups.CR occurred in 3(30%)patients,PR in 6(60%),and no response in 1(20%).Minor complications(class A)included maculopapular rash,bulla,vomiting,and hyperpigmentation,whereas no major complications occurred.Conclusion Intralesional interstitial injection of bleomycin is a feasible approach for the treatment of AVMs in children and provides safe and effective outcomes.This method may be an earlier treatment alternative in children to prevent potential destructive progression,considering the serious complications of currently available therapeutic methods.展开更多
基金This study was supported by the Multi-Center Clinical Research Program(DLY201613)of Shanghai Ninth People’s Hospital.
文摘Background Despite many advances in the treatment for extracranial arteriovenous malformations(AVMs),they still result in tedious dissection and potential unacceptable complications,particularly in children.Therefore,this study aimed to investigate the efficacy and safety of intralesional interstitial injection of bleomycin for the treatment of children with AVMs.Methods A total of 10 children(6 boys and 4 girls)with AVMs were treated with serial interstitial bleomycin injections between May 2014 and January 2017.Maximum single doses of 15 U and 1 U/kg per session were administered for six sessions at a 1-month interval.Therapeutic effectiveness was evaluated and classified into four categories:complete response(CR),partial response(PR),no response,and worsening at 3 months after the last session.Further clinical follow-up outcomes were classified as improved,stable,or aggravated.Adverse events were recorded according to the Society of Interventional Radiology classification.Results All 10 children completed the sessions and follow-ups.CR occurred in 3(30%)patients,PR in 6(60%),and no response in 1(20%).Minor complications(class A)included maculopapular rash,bulla,vomiting,and hyperpigmentation,whereas no major complications occurred.Conclusion Intralesional interstitial injection of bleomycin is a feasible approach for the treatment of AVMs in children and provides safe and effective outcomes.This method may be an earlier treatment alternative in children to prevent potential destructive progression,considering the serious complications of currently available therapeutic methods.