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We list hundreds of Clinical Trials about "CT-angiographic Follow up of Patients That Underwent Coronary Bypass Surgery Between 1993-1997" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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Coronary artery surgery (CABG) is necessary to improve blood circulation in many patients with coronary artery disease. This is done by using alternative blood vessels (grafts) to bypass the stenosed coronary arteries. In CABG, vein grafts are traditionally used where surrounding tissue is removed, this may damage the vessel and influence its patency. The "no-touch" technique was developed by Professor Domingos Souza at the Department of Cardiovascular and Thoracic Surgery, Ö...
The aim of this study is to evaluate evaluated the impact of preoperative HbA1c in diabetic patients on perioperative glycemic variability and outcome after off-pump coronary artery bypass (OPCAB). The medical records of patients who had a preoperative diagnosis of diabetes and underwent OPCAB from 2005 to 2017 will be reviewed. Patients are divided by HbA1c levels (
HYPOTHESES - Rosiglitazone in diabetic patients with previous coronary bypass surgery may prevent or slow the progression of atherosclerosis in SVGs and native coronary arteries. - Rosiglitazone has favorable effects on adipose tissue distribution variables as well as on thrombosis, pro-inflammatory, and lipid profiles in diabetic patients after coronary bypass artery surgery. - Rosiglitazone therapy influences favorably metabolism and clinical ...
The purpose of this study is to determine completeness of revascularization, graft patency, clinical outcomes, health-related quality of life and costs in 200 initial trial participants at > 5 years post surgery who had heart bypass surgery with heart-lung bypass (on-pump) or without heart-lung bypass (off-pump). The hypothesis is that the patency of coronary artery bypass grafts of off-pump surgery are no less durable than grafts from conventional on-pump surgery.
To examine the appropriateness of angiographic and ultrasound endpoints as predictors of subsequent clinical coronary events. Follow-up data from the Cholesterol Lowering in Atherosclerosis Study (CLAS) were used.
Coronary artery bypass graft (CABG) surgery is associated with reperfusion syndrome and activation of inflammatory reaction (SIRS). These are more exaggerated when cardiopulmonary bypass (CPB) is used. The aim of the study is to compare signs of SIRS (heart rate, tachypnea or hypocarbia, leukocytosis, hyperpyrexia or hypothermia) and the granulocytes subsets in peripheral blood from patients who underwent CABG surgery with or without use of CPB. The researchers expect s...
A retrospective and prospective registry will evaluate demographic and angiographic data in patients with spontaneous coronary artery dissection (SCAD) using medical records, invasive coronary angiography, intravascular imaging and/or computed multislice coronary tomography. The type of treatment applied during index hospitalization (i.e., clinical management, percutaneous coronary intervention or coronary artery bypass grafting) will be evaluated. Long-term follow-up (up to 10...
This study will combine coronary stenting with minimally invasive robotic coronary bypass surgery, accomplished with the use of the da Vinci robot, to restore blood flow to occluded coronary arteries. Two previously approved and commonly performed procedures used to treat coronary artery disease(coronary stenting and robotic bypass surgery) are being combined into a hybrid surgery in a specialty built operating room. Patients with low risk coronary lesions will undergo cardia...
The purpose of this study is to determine whether MC-1 is effective and safe in reducing cardiovascular and neurological events in patients undergoing high-risk coronary artery bypass surgery
This is a randomized, prospective European Multicenter Study comparing complete arterial revascularization of the coronary arteries using arterial graft material exclusively and “conventional” coronary artery bypass surgery using the left internal thoracic artery as graft to the left anterior descending artery (LAD) and vein grafts to other vessels to be bypassed.
Unprotected left main coronary artery (ULMCA) stenting, offering restoration of a native flow to left coronary artery, is the subject of intense investigations as a potential alternative to bypass surgery. The purpose of the study is to compare the short and long term results of unprotected left main stenting with coronary artery bypass surgery.
Comparison of clinical outcomes in patients undergoing coronary bypass surgery using the heart/lung machine as opposed to using off-pump techniques.
The aim of GLUTAMICS II is to evaluate whether intravenous glutamate infusion surgery reduces the risk of postoperative heart failure as measured by plasma NT-proBNP in patients undergoing moderate to high-risk coronary artery bypass graft surgery. Patients accepted for coronary artery bypass surgery of at least two vessel disease or left main stenosis with or without concomitant procedure and considered to be at moderate to high surgical risk preoperatively (EuroSCORE II ≥ 3...
Subjects will be consented to the study prior to Coronary Artery Bypass Graft (CABG) and randomly assigned to receive either ticagrelor 90 mg bid or placebo bid starting within 48 hours of surgery. Subjects will remain on study drug for a minimum of 12 months during which time they will receive telephone follow-up one and nine months following CABG and clinic visits three, six, and twelve months following CABG.
The purpose of this study is to answer, among others, the following questions: 1) What are the outcomes when using the radial artery as a bypass graft in coronary artery bypass surgery (CABG)? 2) Can multidetector computed tomography (CT) be used to reliably evaluate coronary artery bypass graft patency?
The randomized comparison of two strategies in coronary revascularization: bypass surgery without the use of a heart lung machine and coronary stenting procedure. The comparison comprised the occurrence of cardiac adverse events after the procedure. In addition, costs, cognitive outcomes and angiography were assessed.
To compare the efficacy of coronary artery bypass graft (CABG) surgery with percutaneous transluminal coronary angioplasty (PTCA) in patients with multiple vessel coronary heart disease.
Coronary artery bypass surgery is associated with postoperative cognitive decline, which has largely been attributed to the use of the heart lung machine. We hypothesized that long-term cognitive outcome may improve by avoiding the heart lung machine. The objective of the present study is to compare the effect of coronary bypass surgery with and without heart lung machine on cognitive and clinical outcome, five years after surgery.
The primary objective of the PRE-COMBAT trial is: To establish the safety and effectiveness of coronary stenting with the sirolimus-eluting balloon expandable stent (Cordis Johnson & Johnson, Warren, New Jersey) compared with bypass surgery for the treatment of an unprotected LMCA stenosis. The alternative hypothesis is that the experimental strategy (coronary stenting with the sirolimus-eluting stents) is not inferior to the standard strategy (bypass surgery).
The purpose of this study is to determine if the Medtronic Resting Heart Bypass system is safer and results in less inflammatory reaction than traditional bypass machines used in coronary artery bypass surgery. We hypothesize that the new Medtronic Resting Heart System is safer and results in much less systemic inflammatory reaction in comparison to the standard cardiopulmonary bypass systems currently in use.
The purpose of this study is to assess the effects of nesiritide compared to placebo when given with standard of care therapies, on kidney function, heart function and the need of other treatments in heart failure patients undergoing heart bypass graft surgery that requires the use of a cardiopulmonary bypass machine (CPB pump or heart-lung machine).
To define and evaluate the impact of angiographic coregistered OCT on physicians decision-making through prospective data collection in PCI procedures.
The purpose of this study is to determine whether the safety and efficacy of coronary stent implantation using Everolimus-Eluting Coronary Stent System (Abbott, Boston Scientific) is not inferior to coronary artery bypass grafting (CABG) for the treatment of patient with multivessel coronary artery disease (CAD).
The purpose of this study is to determine whether sodium nitrite administration 24 hours prior to or during coronary artery bypass surgery protects the heart better from lack of blood flow which occurs as part of this type of operation. The study will also determine what the mechanisms of this cardioprotection are.
The purpose of this study is to determine whether doxycycline(Periostat)at a sub-antimicrobial dose will decrease reperfusion injury after coronary artery bypass grafting (CABG) surgery with cardiopulmonary bypass (CPB).