• Xiaoyun Tan, Miaojuan Chen, Jing Zhang, Shaoyi Zhou, Gang Shen, Zhenyin Liu, Hua Jiang, and Jiejun Xia.
• Jinan University, Guangzhou, Guangdong; Department of Interventional Therapy and Vascular Anomalies Guangzhou Women and Children's Medical Center, Guangzhou, Guangdong 510623, China.
• J Vasc Interv Radiol. 2016 Apr 1; 27 (4): 569-75.

PurposeTo investigate the effectiveness and application of transcatheter arterial embolization (TAE) plus systemic vincristine for treatment of corticosteroid-resistant vascular tumors associated with Kasabach-Merritt phenomenon in infants.Materials And MethodsTAE was performed in 17 infants (average age, 4.3 mo ± 2.4; range, 1-10 mo) with corticosteroid-resistant vascular tumors associated with Kasabach-Merritt phenomenon, followed by intravenous vincristine once weekly for systemic chemotherapy. The effects and complications were observed and evaluated after a cycle (1 cycle: TAE plus treatment with vincristine every 4 weeks). Cycles were repeated in infants with platelet counts < 150 × 10(9)/L.ResultsIn 17 patients, 36 treatment cycles were successfully performed. The platelet count for all patients increased to ≥ 100 × 10(9)/L for the first time at 6.0 days ± 3.5; the platelet level of 15 infants was maintained at levels > 150 × 10(9)/L at 57.5 days ± 16.5. Before treatment, two infants had a normal fibrinogen level (2.21 g/L and 2.34 g/L); the fibrinogen level in the other 15 infants was first found to be increased to ≥ 2.0 g/L at 7.0 days ± 3.4 and was stabilized at levels > 2.0 g/L at 55.9 days ± 13.8 after treatment. Complications were graded as major in four cases and as minor in 13 cases.ConclusionsTAE plus vincristine can rapidly improve levels of platelets and fibrinogen, and it is an effective method for treatment of corticosteroid-resistant vascular tumors associated with Kasabach-Merritt phenomenon in infants.Copyright © 2016 SIR. Published by Elsevier Inc. All rights reserved.

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