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@article{1116901,
author = {Pai, Madhava and Válek, Vlastimil and Andrašina, Tomáš and Doros, Attila and Quaretti, Pietro and Golfieri, Rita and Mosconi, Cristina and Nagy, Habib},
article_location = {New York},
article_number = {1},
doi = {http://dx.doi.org/10.1007/s00270-013-0688-x},
keywords = {Bile duct/gallbladder/biliary; Cancer; Interventional oncology; Liver/hepatic; Pancreas; Radiofrequency ablation; Stenosis/restenosis; Tumour/neoplasm},
language = {eng},
issn = {0174-1551},
journal = {CardioVascular and Interventional Radiology},
title = {Percutaneous Intraductal Radiofrequency Ablation for Clearance of Occluded Metal Stent in Malignant Biliary Obstruction: Feasibility and Early Results},
url = {http://link.springer.com/article/10.1007/s00270-013-0688-x},
volume = {37},
year = {2014}
}
TY - JOUR
ID - 1116901
AU - Pai, Madhava - Válek, Vlastimil - Andrašina, Tomáš - Doros, Attila - Quaretti, Pietro - Golfieri, Rita - Mosconi, Cristina - Nagy, Habib
PY - 2014
TI - Percutaneous Intraductal Radiofrequency Ablation for Clearance of Occluded Metal Stent in Malignant Biliary Obstruction: Feasibility and Early Results
JF - CardioVascular and Interventional Radiology
VL - 37
IS - 1
SP - 235-240
EP - 235-240
PB - Springer-Verlag
SN - 01741551
KW - Bile duct/gallbladder/biliary
KW - Cancer
KW - Interventional oncology
KW - Liver/hepatic
KW - Pancreas
KW - Radiofrequency ablation
KW - Stenosis/restenosis
KW - Tumour/neoplasm
UR - http://link.springer.com/article/10.1007/s00270-013-0688-x
N2 - Purpose: The major complication occurring with biliary stents is stent occlusion, frequently seen because of tumour in-growth, epithelial hyperplasia, and sludge deposits, resulting in recurrent jaundice and cholangitis. We report a prospective study with the results of first in man percutaneous intraductal radiofrequency (RF) ablation to clear the blocked metal stents in patients with malignant biliary obstruction using a novel bipolar RF catheter. Methods: Nine patients with malignant biliary obstruction and blocked metal stents were included. These patients underwent intraductal biliary RF ablation through the blocked metal stent following external biliary decompression with an internal-external biliary drainage. Results: All nine patients had their stent patency restored successfully without the use of secondary stents. Following this intervention, there was no 30-day mortality, haemorrhage, bile duct perforation, bile leak, or pancreatitis. Of the nine patients, six are alive and three patients are dead with a median follow-up of 122 (range 50-488) days and a median stent patency of 102.5 (range 50-321) days. Six patients had their stent patent at the time of last follow-up or death. Three patients with stent blockage at 321, 290, and 65 days postprocedure underwent percutaneous transhepatic drain insertion and repeat ablation. Conclusions: In this selective group of patients, it appears that this new approach is safe and feasible. Efficacy remains to be proven in future, randomized, prospective studies.
ER -
PAI, Madhava, Vlastimil VÁLEK, Tomáš ANDRAŠINA, Attila DOROS, Pietro QUARETTI, Rita GOLFIERI, Cristina MOSCONI and Habib NAGY. Percutaneous Intraductal Radiofrequency Ablation for Clearance of Occluded Metal Stent in Malignant Biliary Obstruction: Feasibility and Early Results. \textit{CardioVascular and Interventional Radiology}. New York: Springer-Verlag, 2014, vol.~37, No~1, p.~235-240. ISSN~0174-1551. Available from: https://dx.doi.org/10.1007/s00270-013-0688-x.
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