An experimental minimally invasive perfusion technique for the treatment of liver metastases.
Eur J Surg Oncol 2003;
29:757-63. [PMID:
14602496 DOI:
10.1016/j.ejso.2003.08.004]
[Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Abstract
AIM
Isolated hepatic perfusion (IHP) is an invasive, technically difficult, non-repeatable and demanding operation. In this study we report the development of a less invasive alternative for the surgical IHP in a pig model.
METHODS
Our technique was tested in 8 Yorkshire pigs (60 kg). The liver was isolated from the systemic circuit using minimally invasive techniques: an occlusion stent-graft and balloon catheters, with reversal of the blood flow through the liver during IHP.
RESULTS
Tests with varying pressures applied at the PV revealed a clear relation between the suction pressure at the outflow site (PV), intrahepatic pressure and systemic leakage of 99mTc. A leakage-free IHP could be obtained in seven separate experiments.
CONCLUSION
Isolated hepatic perfusion using minimally invasive techniques is feasible in pigs when the intrahepatic pressure is controlled. This technique has yet to be tested in patients.
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