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J Cancer Res Ther. 2019;15(2):341-343. doi: 10.4103/jcrt.JCRT_58_18.

Transauricular arterial access for hepatic artery embolization in rabbit VX2 liver tumor.

Author information

1
Department of Interventional Radiology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
2
Department of General Surgery, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.

Abstract

Purpose:

The purpose of this study is to evaluate the feasibility of percutaneous transauricular artery access for hepatic artery catheterization using a peripherally inserted central catheter (PICC) device and hepatic artery catheterization through auricular approach.

Methods:

Ten New Zealand White rabbits were used to establish a VX2 liver tumor model. Hepatic artery angiography and embolization were performed 3 weeks after inoculation. The rabbits were restrained in supine position under anesthesia. Intra-arterial access was accomplished with percutaneous Seldinger technique through the auricular artery using a PICC device. The hepatic artery catheterization was performed with a microcatheter and guide wire. The rate of technical success and procedure time was investigated.

Results:

Two rabbits failed initial percutaneous transauricular arterial access, with success in a contralateral attempt. Thus, percutaneous transauricular arterial access was achieved in 10 of 12 auricular arteries, with a technical success rate of 83.3%. The time needed to obtain intra-auricular access was 7.2 ± 3.1 min. Hepatic artery catheterization, angiography, and embolization were accomplished through the auricular approach in all 10 rabbits.

Conclusion:

Arterial access in rabbits can be achieved through the auricular artery. Hepatic artery catheterization, angiography, and embolization can be performed through auricular arterial access.

KEYWORDS:

Hepatic artery catheterization embolization; rabbit VX2 liver tumor model; transauricular artery access

PMID:
30964108
DOI:
10.4103/jcrt.JCRT_58_18
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