| Comparison of intraoperative transit-time flow measurement with early postoperative magnetic resonance flow mapping in off-pump coronary artery surgery. | |
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MedLine Citation:
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PMID: 12638668 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The purpose of this prospective study was to evaluate graft patency of off-pump coronary artery surgery intraoperatively by transit-time flow measurement and to compare this technique with postoperative magnetic resonance flow mapping. Twenty patients (13 men and 7 women; mean age, 679 +/- 76 yr) underwent off-pump coronary artery surgery. Intraoperative transit-time flow measurement of grafts was performed measuring maximum, minimum, and mean flows. For each graft, the pulsatile index was calculated by dividing the difference between the maximum and the minimum flow by the mean flow In the early postoperative period (1st week), magnetic resonance flow mapping was performed using phase contrast flow quantification. Mean intraoperative flow values and mean magnetic resonance flow mapping values were compared. At the same postoperative session, contrast-enhanced magnetic resonance angiography was performed to evaluate graft patency. In 20 patients, a total of 49 coronary graft flows were assessed with intraoperative transit-time flow measurement and postoperative magnetic resonance flow mapping. Upon comparison, there was a strong correlation between techniques, with stable and statistically significant differences between the intraoperative and postoperative flow mapping values. One saphenous vein graft was revised intraoperatively, due to graft failure. Our data suggest that the combined use of intraoperative transit-time flow measurement and postoperative magnetic resonance flow analysis has a potential role in the assessment of graft patency in off-pump coronary artery surgery although more study is required. |
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Authors:
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Ilhan Sanisoglu; Mustafa Guden; Cem Balci; Ertan Sagbas; Cihan Duran; Belhhan Akpinar |
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Publication Detail:
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Type: Comparative Study; Journal Article; Validation Studies |
Journal Detail:
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Title: Texas Heart Institute journal / from the Texas Heart Institute of St. Luke's Episcopal Hospital, Texas Children's Hospital Volume: 30 ISSN: 0730-2347 ISO Abbreviation: Tex Heart Inst J Publication Date: 2003 |
Date Detail:
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Created Date: 2003-03-17 Completed Date: 2003-06-11 Revised Date: 2009-11-18 |
Medline Journal Info:
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Nlm Unique ID: 8214622 Medline TA: Tex Heart Inst J Country: United States |
Other Details:
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Languages: eng Pagination: 31-7 Citation Subset: IM |
Affiliation:
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Department of Cardiac Surgery, Kadir Has University Medical Faculty, Florence Nightingale Hospital, Caglayan 80220, Istanbul, Turkey. isanisoglu@hotmail.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Blood Flow Velocity / physiology* Coronary Artery Bypass* Coronary Artery Disease / diagnosis*, physiopathology*, surgery Female Hemorheology* Humans Magnetic Resonance Angiography Magnetic Resonance Imaging* Male Middle Aged Monitoring, Intraoperative* Postoperative Care* Prospective Studies Pulsatile Flow / physiology Reproducibility of Results Time Factors Vascular Patency / physiology* |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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