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CardioVascular and Interventional Radiology
Published in: CardioVascular and Interventional Radiology 4/2003

01-08-2003 | Letter to the Editor

Intrahepatic Regional Portal Blood Flow Modulation Using Percutaneous US-Monitoring Portal Vein Compression During Radiofrequency Thermal Ablation

Authors: Hyunchul Rhim, Young-Sun Kim

Published in: CardioVascular and Interventional Radiology | Issue 4/2003

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Excerpt

Among the factors influencing technical success in radiofrequency (RF) ablation, the heat sink effect imposes limits on volume of coagulation necrosis. Perfusion of blood transfers heat from the ablation site, thereby reducing the volume of destroyed tissue [1 2 3 4]. To overcome this effect, the concept of hepatic blood flow modulation was introduced by several researchers. We recently experienced the fact that intrahepatic portal blood flow could be decreased by percutaneously compressing the portal vein adjacent to the mass using an expandable RF needle electrode. The purpose of this letter is to introduce a new concept of percutaneous, selective modulation of portal blood flow during RF thermal ablation of hepatic tumors. …
Literature
1.
Hansen, PD, Rogers, S, Corless, CL, Swanstrom, LL, Siperstien, AE 1999Radiofrequency ablation lesions in a pig liver model.J Surg Res87114121
2.
Sturesson, C, Liu, DL, Stenram, U, Andersson-Engels, S. 1997Hepatic inflow occlusion increases the efficacy of interstitial laser-induced thermotherapy in rats.J Surg Res716772CrossRefPubMed
3.
Heisterkamp, J, van Hillegersberg, R, Mulder, PG, Sinofsky, EL, Ijzermans, JN 1997Importance of eliminating portal flow to produce large intrahepatic lesions with interstitial laser coagulation.Br J Surg8412451248PubMed
4.
Patterson, EJ, Scudamore, CH, Owen, DA, Nagy, AG, Buczkowski, AK 1998Radiofrequency ablation of porcine liver in vivo: effects of blood flow and treatment time on lesion size.Ann Surg227559565PubMed
5.
Curley, SA, Izzo, F, Delrio, P 1999Radiofrequency ablation of unresectable primary and metastatic hepatic malignancies: results in 123 patients.Ann Surg23018CrossRefPubMed
Metadata
Title
Intrahepatic Regional Portal Blood Flow Modulation Using Percutaneous US-Monitoring Portal Vein Compression During Radiofrequency Thermal Ablation
Authors
Hyunchul Rhim
Young-Sun Kim
Publication date
01-08-2003
Publisher
Springer-Verlag
Published in
CardioVascular and Interventional Radiology / Issue 4/2003
Print ISSN: 0174-1551
Electronic ISSN: 1432-086X
DOI
https://doi.org/10.1007/s00270-003-0449-3

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