| Intraoperative assessment of coronary bypass graft to posterior descending artery by means of transesophageal echocardiography. | |
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MedLine Citation:
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PMID: 19246496 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Intraoperative transesophageal echocardiography (TEE) assessment of coronary artery graft anastomosed to posterior descending artery (PDA) was evaluated. Twenty-one patients with a saphenous vein (SV) graft (n=17) or right gastroepiploic artery (RGEA) graft (n=4) anastomosed to the PDA were examined. In the transgastric mid short-axis view, the graft was depicted as an echo-free zone between the right ventricle and diaphragm. The depth, diameter, angle for Doppler measurement, and angle-corrected blood flow velocity were determined. The graft was visualized in 20 cases (95.2%). The diameter of the SV graft was 3.0-6.5 mm (mean 4.0 mm), while that of RGEA graft was 2.2-2.9 mm (mean 2.5 mm), at the depth of 1.2-4.4 cm (mean 2.4 mm) with incident angle of 14-57 degrees (mean 38.6 degrees ). Blood flow was detected in 17 cases but was difficult to detect in three cases (velocity <10 cm/s). Postoperative coronary angiography showed patent graft in 16 of former cases (one case of operative death excluded) but occluded graft in all of latter cases. Intraoperative TEE assessment was feasible nearly consistently. Diastolic blood flow velocity <10 cm/s suggests an early occlusion of the graft. |
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Authors:
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Kazumasa Orihashi; Kenji Okada; Katsuhiko Imai; Tatsuya Kurosaki; Taiichi Takasaki; Shinya Takahashi; Kiyohiko Morifuji; Taijiro Sueda |
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Publication Detail:
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Type: Journal Article Date: 2009-02-26 |
Journal Detail:
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Title: Interactive cardiovascular and thoracic surgery Volume: 8 ISSN: 1569-9285 ISO Abbreviation: Interact Cardiovasc Thorac Surg Publication Date: 2009 May |
Date Detail:
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Created Date: 2009-04-21 Completed Date: 2009-07-02 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101158399 Medline TA: Interact Cardiovasc Thorac Surg Country: England |
Other Details:
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Languages: eng Pagination: 507-11 Citation Subset: IM |
Affiliation:
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Department of Cardiovascular Surgery, Hiroshima University Hospital, Kasumi 1-2-3, Minami-ku, Hiroshima, 734-8551 Japan. orichan@hiroshima-u.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Blood Flow Velocity Coronary Angiography Coronary Artery Bypass* / adverse effects Coronary Circulation* Coronary Vessels / physiopathology, surgery*, ultrasonography Echocardiography, Doppler, Color* Echocardiography, Transesophageal* Feasibility Studies Female Gastroepiploic Artery / transplantation Graft Occlusion, Vascular / etiology, physiopathology, ultrasonography* Humans Intraoperative Care Male Middle Aged Pilot Projects Predictive Value of Tests Saphenous Vein / transplantation Treatment Outcome Ultrasonography, Interventional* Vascular Patency* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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