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Revascularization in Heart Failure Trial – REHEAT 2

2014-07-23 21:35:08 | BioPortfolio

Summary

REHEAT 2 study is designed as a prospective, randomised trial comparing two strategies of myocardial revascularisation (PCI vs CABG) in patients with ischemic cardiomyopathy and low left ventricular ejection fraction.Patients will undergo in random way PCI or CABG procedure. The aim the study is to assess the improvement of left ventricle systolic function and comparing recent (30 days) and late (12 months) results of surgical (CABG) and percutaneous (PCI) revascularization.

Description

Heart failure constitutes one of basic problems of contemporary cardiology. It is most commonly caused by ischaemic heart disease, which as an etiologic factor, has a negative impact on prognosis. On the other hand, decreased left ventricular ejection fraction is the most important prognostic factor in patients with ischaemic heart disease. Annual mortality among patients with ejection fraction below 35% accounts for 17%, and in a group with ejection fraction below 25% reaches 24%. Most of multicenter studies (e.g. ARTS, BARI, ERACI) comparing results of percutaneous and surgical revascularisation in ischemic heart disease pertain to patients with normal or minimally decreased left ventricular ejection fraction, excluding patients with left ventricular ejection fraction lower than 35%. Current medical standards indicate the surgical way as a method of choice in treatment of patients with ischemic cardiomyopathy.

In early nineties the procedures of percutaneous angioplasty in patients with depressed left ventricular function were connected with comparable to CABG risk of death (5-10%).

The intensive progress of percutaneous procedures contributed PCI is competitive method of revasularization to CABG. Our knowledge about the efficacy of above mentioned methods in patients with ischemic heart failure is scarce until now. It was proved, that patients with viable myocardium assessed in dobutamine stress echocardiography or MRI benefit mostly from myocardial revascularization. Repeat revascularization during follow up occurred more frequently in patients after PCI, so that introduction of coronary stents, especially drug eluting stents (DES) could significantly improve the clinical outcome after PCI procedures. The administration of antiplatelet drugs (IIb/IIIa platelet receptor inhibitors) have considerably improved the short and long-term results of PCI so that it is interesting if they could have beneficial effect on clinical outcome of patients with ischemic heart failure. In the field of cardiac surgery the method of left ventricle reconstruction in patients with ischemic cardiomyopathy (STICH Trial) seems to be promising.

Therefore, the comparison of innovative methods of percutaneous and surgical revascularization may influence current medical standards concerning patients with ischemic heart disease.

Study Design

Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Left Ventricular Ejection Fraction

Intervention

Percutaneous Coronary Intervention, Coronary Artery Bypass Grafting

Location

University School of Silesia, 1-st Department of Cardiosurgery
Katowice
Silesia
Poland
40-635

Status

Not yet recruiting

Source

Ministry of Science and Higher Education, Poland

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:35:08-0400

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Medical and Biotech [MESH] Definitions

Surgical therapy of ischemic coronary artery disease achieved by grafting a section of saphenous vein, internal mammary artery, or other substitute between the aorta and the obstructed coronary artery distal to the obstructive lesion.

A family of percutaneous techniques that are used to manage CORONARY OCCLUSION, including standard balloon angioplasty (PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY), the placement of intracoronary STENTS, and atheroablative technologies (e.g., ATHERECTOMY; ENDARTERECTOMY; THROMBECTOMY; PERCUTANEOUS TRANSLUMINAL LASER ANGIOPLASTY). PTCA was the dominant form of PCI, before the widespread use of stenting.

Direct myocardial revascularization in which the internal mammary artery is anastomosed to the right coronary artery, circumflex artery, or anterior descending coronary artery. The internal mammary artery is the most frequent choice, especially for a single graft, for coronary artery bypass surgery.

Coronary artery bypass surgery on a beating HEART without a CARDIOPULMONARY BYPASS (diverting the flow of blood from the heart and lungs through an oxygenator).

A congenital coronary vessel anomaly in which the left main CORONARY ARTERY originates from the PULMONARY ARTERY instead of from AORTA. The congenital heart defect typically results in coronary artery FISTULA; LEFT-SIDED HEART FAILURE and MITRAL VALVE INSUFFICIENCY during the first months of life.

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