Assessment of coronary artery bypass grafts patency with different magnetic resonance technologies☆

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Assessment of coronary artery bypass grafts patency with different magnetic resonance technologies.

OBJECTIVE The aim of the study was to evaluate the diagnostic accuracy of different magnetic resonance (MR) sequences in the assessment of coronary artery bypass graft patency and the evaluation of distal anastomoses with a spin echo sequence (Haste). PATIENTS AND METHODS Twenty-five patients were examined with all the three techniques and 185 patients with 481 distal anastomoses were examine...

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Magnetic resonance imaging to evaluate patency of aortocoronary bypass grafts.

To assess the efficacy of magnetic resonance (MR) imaging in evaluating graft patency after coronary bypass surgery, 20 patients who had prior surgery (average 5.5 years, range 1.5 to 14) and recent cardiac catheterization because of chest pain were studied. No patient had surgical intervention or change in symptoms in the time interval between catheterization and MR imaging. These 20 patients ...

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Intraoperative assessment of coronary artery bypass graft patency.

The patency of the anastomosis and the flow of the graft are the most important subjects for coronary artery bypass grafting (CABG). Graft patency verification is a high demanding procedure. The incidence of intraoperative graft failure has been estimated to be approximately 5% for internal mammary artery grafts and 11% for vein grafts.1-3 These disappointing findings exceedingly require intrao...

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Detection of coronary artery bypass graft patency by contrast enhanced magnetic resonance angiography.

OBJECTIVE The subject and purpose of the prospective study was to delineate coronary artery bypass graft (CABG) course and to determine patency of aortocoronary venous bypass grafts (ACVB) compared with internal mammary artery bypass grafts (IMA) in the early postoperative follow-up, by contrast enhanced magnetic resonance angiography (MRA). For control, patients were examined with X-ray angiog...

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Noninvasive determination of coronary artery bypass graft patency by cine magnetic resonance imaging.

Cine magnetic resonance imaging (MRI) is a gradient-recalled, retrospectively gated, fast-scan technique that depicts laminar flowing blood as bright signal and has been proposed as a useful method for determination of coronary artery bypass graft (CABG) patency. Therefore, we performed a blinded prospective study to assess the value of cine MRI determination of CABG patency in 20 patients with...

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ژورنال

عنوان ژورنال: European Journal of Cardio-Thoracic Surgery

سال: 2006

ISSN: 1010-7940

DOI: 10.1016/j.ejcts.2006.03.073