• Kye Jin Park, Ji Hoon Shin, Hyun-Ki Yoon, Dong-Il Gwon, Gi-Young Ko, and Kyu-Bo Sung.
• Department of Radiology and Research Institute of Radiology, University of Ulsan, College of Medicine, Asan Medical Center, 86, Asanbyeongwon-gil, Songpa-gu, Seoul 138-736, Korea.
• J Vasc Interv Radiol. 2015 Feb 1; 26 (2): 154-61.

PurposeTo evaluate the safety and effectiveness of transcatheter arterial embolization (TAE) using N-butyl cyanoacrylate (NBCA) for the treatment of active postpartum hemorrhage (PPH) and compare the efficacy of NBCA with gelatin sponge particles.Materials And MethodsFrom January 2004 to September 2013, 26 patients with PPH underwent TAE using NBCA as the primary embolic material. All patients were actively bleeding, and 12 (46.2%) had coagulopathy. TAE was performed using 1:2-1:4 mixtures of NBCA and ethiodized oil with or without use of a coil or gelatin sponge. To compare the efficacy of NBCA with conventional embolic material, 50 patients with active bleeding who underwent TAE using gelatin sponge were also analyzed.ResultsAngiograms demonstrated pseudoaneurysm or extravasation or both. The technical and clinical success rates were 100% and 92.3% (24 of 26 patients), respectively, for NBCA and 98% and 86.0% (43 of 50 patients), respectively, for gelatin sponge. In the NBCA group, one patient recovered with conservative management, and the other patient died because of multiorgan dysfunction. There were no major or minor procedure-related complications.ConclusionsTAE using NBCA as the primary embolic agent is an effective method for treating PPH with extravasation or pseudoaneurysm; NBCA is comparable to gelatin sponge particles. TAE using NBCA seems to fill pseudoaneurysms and make devascularization more effective than using gelatin sponge.Copyright © 2015 SIR. Published by Elsevier Inc. All rights reserved.

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