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. 1993;13(2):211-8.
doi: 10.1002/lsm.1900130209.

Preliminary Experience With Transluminal Laser-Induced Intrahepatic Portacaval Shunts

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Preliminary Experience With Transluminal Laser-Induced Intrahepatic Portacaval Shunts

D F Cikrit et al. Lasers Surg Med. .

Abstract

This study investigated the feasibility of performing an intrahepatic portacaval shunt (IHPCS) by means of transluminal laser angioplasty. In 10 anesthized dogs, a catheter was introduced into a mesenteric vein and threaded into the portal vein (PV). Under fluoroscopy, a Ross needle was passed through the PV catheter, liver, and into the intrahepatic IVC. Following guidewire exchange, a neodymium YAG laser hot-tip probe (power setting 8 W) was passed over the guidewire to accomplish a transluminal IHPCS. In five animals, an IHPCS could not be accomplished. Initial and subsequent patency was confirmed by fluoroscopy. These early data suggest that transvenous laser-induced intrahepatic portacaval shunts may be feasible as a means of decompressing portal hypertension. Further research is necessary, to investigate the long-term patency as well as this technique's ability to decompress the portal system.

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