• Fang Hou, Jidong Chen, Meng Xia, Ke Ding, Qiang Zeng, and Wenying Liu.
• Department of Pediatric Surgery, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital.
• Medicine (Baltimore). 2020 Feb 1; 99 (9): e18839.

AbstractThis study reports our experience, the therapeutic outcomes and complications of percutaneous sclerotherapy (PS) with polidocanol to treat venous malformations (VMs) in children.A retrospective analysis was conducted of pediatric patients with VMs who underwent PS using polidocanol under continuous ultrasound (US) guidance between January 2015 and January 2018 at our department. Medical records were reviewed to record demographic information, lesion characteristics, treatment sessions, therapeutic outcomes and complications. χ analysis was employed to evaluate the effects of these characteristics on outcomes.Hundred treatment sessions were performed for lesions in 47 patients. The mean age of the patients was 4.1 ± 3.6 years (mean ± SD). The female to male ratio was almost 2:1 (female 32, male 15). The location of the VMs included the head and neck in 16 cases (34.0%), upper extremity in 11 cases (23.4%), lower extremity in 10 cases (21.3%), and trunk and perineum in 10 cases (21.3%). The majority of the lesions were focal in 36 cases (76.6%), while 11 (23.4%) were diffuse. Seventeen patients (36.2%) underwent single PS session, 14 patients (29.8%) underwent 2 sessions, 10 patients (21.3%) underwent 3 sessions and 6 patients (12.7%) underwent ≧4 sessions. The mean PS session per patient was 2.1 ± 1.1. The mean follow-up duration was 11.4 ± 7.6 months. After the last PS session, 8 patients (17.0%) had excellent outcomes, 27 (57.4%) had good outcomes, 10 (21.3%) had fair outcomes, and 2 (4.3%) had poor outcomes. Focal lesions were more likely to have good or excellent outcomes than diffuse lesions (χ = 4.522, P = .033). No other lesion characteristic significantly affected the outcomes (good or excellent outcomes), including lesion location (χ = 2.011, P = .570) or lesion size (χ = 1.045, P = .307). After the PS procedure, temporary local swelling occurred in 81 sessions (81.0%), local pain occurred in 15 sessions (15.0%), fever occurred in 27 (27.0%) sessions, and transient local numbness occurred in four sessions (4.0%).PS with polidocanol under the guidance of US appears to be safe and effective for the treatment of VMs in children, especially for focal lesions.

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