PMID- 21245126
OWN - NLM
STAT- MEDLINE
DCOM- 20110707
LR  - 20191210
IS  - 1569-9285 (Electronic)
IS  - 1569-9285 (Linking)
VI  - 12
IP  - 4
DP  - 2011 Apr
TI  - Morphological and functional 3-Tesla magnetic resonance imaging of saphenous vein 
      coronary artery bypass grafts.
PG  - 582-5
LID - 10.1510/icvts.2010.255026 [doi]
AB  - Evaluation of a novel non-invasive tool for postoperative follow-up of patients 
      postelective saphenous vein coronary artery bypass graft (CABG) was performed. 
      Ten patients were included. Their bypass grafts supplied the right coronary 
      artery (7), marginal branches (1), diagonal branches (2), and the circumflex 
      artery (n=1). Each bypass was examined intraoperatively using Doppler flow 
      measurement. Patients were examined with a 3-Tesla magnetic resonance imaging 
      (MRI) scanner (MAGNETOM Verio, Siemens, Erlangen, Germany) within one week 
      postsurgery using MR-angiography with an intravasal contrast agent and velocity 
      encoded phase-contrast flow measurements. Intraoperative Doppler flow 
      measurements revealed regular flow patterns in all vascular territories supplied. 
      The median intraoperative flow rate was 50 ml/min with an inter-quartile range 
      (IQR) of 42-70 ml/min. The clinical postoperative course was uneventful. MRI 
      showed all grafts to be patent. The median postoperative flow rate was 50 ml/min 
      (IQR: 32-65 ml/min). MRI flow rates agreed well with intraoperative Doppler flow 
      measurements (mean difference: -2.8+/-20.1 ml/min). This initial study demonstrates 
      that 3-Tesla MRI flow measurements correlated well with Doppler thus reconfirming 
      the graft patency postCABG. Further refinement and broader application of this 
      technique may facilitate follow-up postCABG potentially replacing empiric 
      clinical judgment by reliable non-invasive imaging.
FAU - Hoppe, Hanno
AU  - Hoppe H
AD  - Department of Radiology, University Hospital Bern, Bern, Switzerland.
FAU - Reineke, David
AU  - Reineke D
FAU - Rosskopf, Andrea Bianca
AU  - Rosskopf AB
FAU - Czerny, Martin
AU  - Czerny M
FAU - Tevaearai, Hendrik
AU  - Tevaearai H
FAU - Hess, Otto
AU  - Hess O
FAU - Carrel, Thierry
AU  - Carrel T
FAU - Ith, Michael
AU  - Ith M
LA  - eng
PT  - Evaluation Study
PT  - Journal Article
DEP - 20110118
PL  - England
TA  - Interact Cardiovasc Thorac Surg
JT  - Interactive cardiovascular and thoracic surgery
JID - 101158399
RN  - 0 (Contrast Media)
RN  - 0 (Organometallic Compounds)
RN  - AU0V1LM3JT (Gadolinium)
RN  - XM33Q67UVH (gadofosveset trisodium)
SB  - IM
MH  - Aged
MH  - Aged, 80 and over
MH  - Blood Flow Velocity
MH  - Contrast Media
MH  - *Coronary Artery Bypass/adverse effects
MH  - Coronary Circulation
MH  - Elective Surgical Procedures
MH  - Feasibility Studies
MH  - Gadolinium
MH  - Graft Occlusion, Vascular/*diagnosis/physiopathology
MH  - Humans
MH  - Laser-Doppler Flowmetry
MH  - *Magnetic Resonance Angiography
MH  - Male
MH  - Middle Aged
MH  - Organometallic Compounds
MH  - Pilot Projects
MH  - Predictive Value of Tests
MH  - Saphenous Vein/diagnostic imaging/pathology/physiopathology/*transplantation
MH  - Switzerland
MH  - Time Factors
MH  - Treatment Outcome
MH  - Ultrasonography
MH  - Vascular Patency
EDAT- 2011/01/20 06:00
MHDA- 2011/07/08 06:00
CRDT- 2011/01/20 06:00
PHST- 2011/01/20 06:00 [entrez]
PHST- 2011/01/20 06:00 [pubmed]
PHST- 2011/07/08 06:00 [medline]
AID - icvts.2010.255026 [pii]
AID - 10.1510/icvts.2010.255026 [doi]
PST - ppublish
SO  - Interact Cardiovasc Thorac Surg. 2011 Apr;12(4):582-5. doi: 
      10.1510/icvts.2010.255026. Epub 2011 Jan 18.