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Remote Ischaemic Preconditioning for Heart Surgery (RIPHeart-Study)

2014-08-27 03:15:56 | BioPortfolio

Summary

The purpose of this study is to evaluate the effects of Remote Ischaemic Preconditioning on perioperative ischaemic injury in patients undergoing cardiac surgery compared to control intervention.

Description

Cardiac surgery with cardiopulmonary bypass is associated with a predictable incidence of myocardial, neurological and renal dysfunction. This significant morbidity and mortality is at least partly due to perioperative ischaemia. Remote ischaemic preconditioning (RIPC) is a novel, simple, non-invasive and inexpensive intervention by which ischaemia of non-vital tissue (skeletal muscles) protects remote organs (heart, brain and kidney) from a subsequent sustained episode of ischaemia. The investigators perform a multicenter randomized controlled study to evaluate that RIPC reduces teh severity of perioperative ischaemic injury in patients undergoing cardiac surgery, and results in about 1/3 risk reduction in the occurence of major adverse events.

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention

Conditions

Myocardial Injury

Intervention

Remote Ischemic Preconditioning, Control/sham procedure (blood pressure cuff)

Status

Not yet recruiting

Source

University of Schleswig-Holstein

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:15:56-0400

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PubMed Articles [20597 Associated PubMed Articles listed on BioPortfolio]

Mirna-Mediated Mechanisms of Cardiac Protection in Ischemic and Remote Ischemic Preconditioning - A Qualitative Systematic Review.

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Medical and Biotech [MESH] Definitions

Procedure in which arterial blood pressure is intentionally reduced in order to control blood loss during surgery. This procedure is performed either pharmacologically or by pre-surgical removal of blood.

The application of repeated, brief periods of vascular occlusion at the onset of REPERFUSION to reduce REPERFUSION INJURY that follows a prolonged ischemic event. The techniques are similar to ISCHEMIC PRECONDITIONING but the time of application is after the ischemic event instead of before.

Restoration of blood supply to tissue which is ischemic due to decrease in normal blood supply. The decrease may result from any source including atherosclerotic obstruction, narrowing of the artery, or surgical clamping. It is primarily a procedure for treating infarction or other ischemia, by enabling viable ischemic tissue to recover, thus limiting further necrosis. However, it is thought that reperfusion can itself further damage the ischemic tissue, causing REPERFUSION INJURY.

A technique in which tissue is rendered resistant to the deleterious effects of prolonged ischemia and reperfusion by prior exposure to brief, repeated periods of vascular occlusion. (Am J Physiol 1995 May;268(5 Pt 2):H2063-7, Abstract)

An ulceration caused by prolonged pressure on the SKIN and TISSUES when one stay in one position for a long period of time, such as lying in bed. The bony areas of the body are the most frequently affected sites which become ischemic (ISCHEMIA) under sustained and constant pressure.

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An anesthesiologist (US English) or anaesthetist (British English) is a physician trained in anesthesia and perioperative medicine. Anesthesiologists are physicians who provide medical care to patients in a wide variety of (usually acute) situations. ...


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