MRI-guided percutaneous transhepatic cholangiodrainage: feasibility study in a porcine model
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MRI-guided percutaneous transhepatic cholangiodrainage: feasibility study in a porcine model. / Papanikolaou, Ioannis S; van der Voort, Ivo R; Chopra, Sascha S; Seebauer, Christian J; Rump, Jens; Papas, Maria G; Triantafyllou, Konstantinos; Baumgart, Daniel C; Teichgräber, Ulf K; Wiedenmann, Bertram; Rösch, Thomas.
In: SCAND J GASTROENTERO, Vol. 49, No. 6, 01.06.2014, p. 722-726.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - MRI-guided percutaneous transhepatic cholangiodrainage: feasibility study in a porcine model
AU - Papanikolaou, Ioannis S
AU - van der Voort, Ivo R
AU - Chopra, Sascha S
AU - Seebauer, Christian J
AU - Rump, Jens
AU - Papas, Maria G
AU - Triantafyllou, Konstantinos
AU - Baumgart, Daniel C
AU - Teichgräber, Ulf K
AU - Wiedenmann, Bertram
AU - Rösch, Thomas
PY - 2014/6/1
Y1 - 2014/6/1
N2 - BACKGROUND AND STUDY AIMS: MRI-guided procedures combine high-quality imaging with lack of radiation. Percutaneous transhepatic cholangiodrainage under real-time MRI guidance (MRI-PTCD) seems promising, allowing targeted puncture and avoiding multiple blind passes and use of contrast, which are associated with standard PTCD's heaviest complications.PATIENTS AND METHODS: Aim of this study was to investigate the feasibility of MRI-PTCD in three outbred piglets. Obstructive cholestasis was induced by common bile duct ligation. Two days later, MRI-PTCD was performed (open MRI, 1.0 Tesla) with prototype MRI-compatible accessories. Visualization was achieved with a balanced steady-state free precession real-time sequence (bSSFP: 0.75 frames/s, TR/TE [ms]: 7.2/3.6; flip angle: 45°; 200 × 200 matrix size; resolution: 1.3 × 1.3 mm(2), slice thickness: 7 mm). Cannulation of the bile ducts was followed by placement of Yamakawa drainages.RESULTS: Twelve punctures were performed (four per animal, 10/12 successful); in 2/10 the bile ducts could not be cannulated. Animal survival was 100% and no significant complications occurred.CONCLUSIONS: Initial data show that MRI-PTCD can be successfully performed. This may lead to establishment of a new optimized PTCD technique compared to the standard approach under fluoroscopy.
AB - BACKGROUND AND STUDY AIMS: MRI-guided procedures combine high-quality imaging with lack of radiation. Percutaneous transhepatic cholangiodrainage under real-time MRI guidance (MRI-PTCD) seems promising, allowing targeted puncture and avoiding multiple blind passes and use of contrast, which are associated with standard PTCD's heaviest complications.PATIENTS AND METHODS: Aim of this study was to investigate the feasibility of MRI-PTCD in three outbred piglets. Obstructive cholestasis was induced by common bile duct ligation. Two days later, MRI-PTCD was performed (open MRI, 1.0 Tesla) with prototype MRI-compatible accessories. Visualization was achieved with a balanced steady-state free precession real-time sequence (bSSFP: 0.75 frames/s, TR/TE [ms]: 7.2/3.6; flip angle: 45°; 200 × 200 matrix size; resolution: 1.3 × 1.3 mm(2), slice thickness: 7 mm). Cannulation of the bile ducts was followed by placement of Yamakawa drainages.RESULTS: Twelve punctures were performed (four per animal, 10/12 successful); in 2/10 the bile ducts could not be cannulated. Animal survival was 100% and no significant complications occurred.CONCLUSIONS: Initial data show that MRI-PTCD can be successfully performed. This may lead to establishment of a new optimized PTCD technique compared to the standard approach under fluoroscopy.
KW - Animals
KW - Bile Ducts
KW - Catheterization
KW - Cholestasis
KW - Drainage
KW - Feasibility Studies
KW - Female
KW - Magnetic Resonance Imaging, Interventional
KW - Surgery, Computer-Assisted
KW - Swine
U2 - 10.3109/00365521.2014.899619
DO - 10.3109/00365521.2014.899619
M3 - SCORING: Journal article
C2 - 24694300
VL - 49
SP - 722
EP - 726
JO - SCAND J GASTROENTERO
JF - SCAND J GASTROENTERO
SN - 0036-5521
IS - 6
ER -