Echo-guided pin-point compression can effectively repair pseudoaneurysms associated with catheter procedure

Toshiaki Yamanaka, Yoichi Nakamura, Yusuke Kawai, Sumiko Sato, Kazuaki Mineoi, Tadakatsu Yamada, Hideki Okayama, Yukio Kazatani, Hiroshi Ito

Department of Cardiovascular Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan.
Department of Cardiovascular Medicine, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama, Japan.
SOYOKAZE Cardiovascular Medicine and Diabetes Care, Matsuyama, Japan.

DOI: 10.4236/wjcd.2012.23026                

Abstract

Background: Catheter intervention is occasionally complicated by a pseudoaneurysm at the puncture site. Although the feasibility of echo-guided repair of a pseudoaneurysm has been reported, this method does not always repair the pseudoaneurysm. We hypothesized that if the communication to the artery could be effectively closed by pin-point compression, the clot that forms in the residual lumen would effectively cover the communication. We studied the safety and efficacy of the echo-guided pinpoint compression procedure for repairing a pseudoaneurysm. Methods: Ten consecutive patients with a pseudoaneurysm were enrolled. We determined the site of communication by echography with a high-frequency linear probe. We performed pin-point compression on the communication point with the right index finger, and we confirmed closure of the communication by color Doppler. During compression, we monitored echo images to confirm clot formation. Results: A pseudoaneurysm was located on the femoral artery in 6 patients and on the brachial artery in 4 patients. The sizes of the pseudoaneurysms ranged from 13 to 40 mm in diameter. We successfully closed the communication with one-finger compression in all patients. During the compression, we observed clot formation in the residual lumen of the pseudoaneurysm in all patients by echography. The duration of compression ranged from 5 to 40 minutes (mean, 18 minutes). We succeeded in repairing the pseudoaneurysm in all patients using this method. The success of the procedure was also confirmed 24 hours later in all patients. Conclusions: Echo-guided pin-point compression of the communication might be an effective technique for repairing a pseudoaneurysm at the puncture site, and echography is useful for confirming the success of the procedure.

Keywords

Pseudoaneurysm; Treatment; Ultrasound

Conflicts of Interest

The authors declare no conflicts of interest.

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