OBJECTIVE: To evaluate the efficacy and safety of gelified ethanol, a newly developed sclerosing agent for slow-flow vascular malformations. METHODS: Seventy-nine sclerotherapy procedures were performed on 44 patients with 37 venous malformations, 2 glomuvenous malformations, 2 lymphatic malformations, 2 lymphatico-venous malformations, and 1 Klippel-Trenaunay syndrome. The median injected volume was 1.00 mL/site of injection. Effects of sclerotherapy on pain, functional and cosmetic disturbance were statistically evaluated with a final result score. Local and systemic complications were recorded. RESULTS: The mean Visual Analogue Scores were 5.20 ± 2.81 before and 1.52 ± 1.25 after treatment (p < 0.001). Functional and aesthetic improvement was achieved in 31/35 patients (89%) and in 33/41 (80%), respectively. Minor local side effects included necrosis with or without issue of ethylcellulose, palpable residue, and hematoma. No systemic side-effects occurred. CONCLUSION: Per mL used, radio-opaque gelified ethanol is at least as effective as absolute ethanol. No systemic complication was observed, as only a low dose of ethanol was injected. Indications for sclerotherapy can be widened to areas with higher risk for local side effects (hands and periocular region), as ethanol is trapped in the lesion. Careful injection procedure is though necessary, because only a limited amount of ethylcellulose can be used per puncture. Key Points • Development of a new sclerosing agent for venous malformations. • Interesting novel way to deliver alcohol to slow-flow vascular malformations. • Alcohol-based with less local and systemic side-effects.
OBJECTIVE: To evaluate the efficacy and safety of gelified ethanol, a newly developed sclerosing agent for slow-flow vascular malformations. METHODS: Seventy-nine sclerotherapy procedures were performed on 44 patients with 37 venous malformations, 2 glomuvenous malformations, 2 lymphatic malformations, 2 lymphatico-venous malformations, and 1 Klippel-Trenaunay syndrome. The median injected volume was 1.00 mL/site of injection. Effects of sclerotherapy on pain, functional and cosmetic disturbance were statistically evaluated with a final result score. Local and systemic complications were recorded. RESULTS: The mean Visual Analogue Scores were 5.20 ± 2.81 before and 1.52 ± 1.25 after treatment (p < 0.001). Functional and aesthetic improvement was achieved in 31/35 patients (89%) and in 33/41 (80%), respectively. Minor local side effects included necrosis with or without issue of ethylcellulose, palpable residue, and hematoma. No systemic side-effects occurred. CONCLUSION: Per mL used, radio-opaque gelified ethanol is at least as effective as absolute ethanol. No systemic complication was observed, as only a low dose of ethanol was injected. Indications for sclerotherapy can be widened to areas with higher risk for local side effects (hands and periocular region), as ethanol is trapped in the lesion. Careful injection procedure is though necessary, because only a limited amount of ethylcellulose can be used per puncture. Key Points • Development of a new sclerosing agent for venous malformations. • Interesting novel way to deliver alcohol to slow-flow vascular malformations. • Alcohol-based with less local and systemic side-effects.
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