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Cardioprotective Effects of Electroacupuncture Pretreatment Against Coronary Stenting

2014-08-27 03:17:43 | BioPortfolio

Summary

Myocyte necrosis as a result of elective percutaneous coronary intervention (PCI) occurs in approximately one third of cases and is associated with subsequent cardiovascular events. This study assesses the ability of electroacupuncture (EA) pretreatment to attenuate cardiac troponin I (cTnI) release after elective PCI.

Description

Elective percutaneous coronary intervention (PCI) is associated with troponin release in approximately one third of cases.Troponin release is a sensitive and specific marker of myocyte necrosis and infarction resulting from a form of ischemia/reperfusion injury, downstream embolization of atheromatous material, and coronary side-branch occlusion. A number of studies have demonstrated that procedure-related troponin release is associated with subsequent cardiovascular events.

Transient sublethal episodes of ischemia before a prolonged ischemia/reperfusion injury, known as ischemic preconditioning (IPC), have been shown to reduce the extent of myocardial infarction (MI).Electroacupuncture (EA) stimulus, as a pretreatment method, limits MI size in animal models. However, there are limited outcome to demonstrate protection from EA pretreatment during PCI. The present study investigated the ability of EA pretreatment to attenuate cardiac troponin I (cTnI) release after elective PCI in a single-center, randomized controlled trial.

Study Design

Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Investigator, Outcomes Assessor), Primary Purpose: Prevention

Conditions

Myocardial Injury

Intervention

Electroacupuncture stimulation, No intervention

Location

Xijing Hospital
Xi'an
Shaanxi
China
710032

Status

Enrolling by invitation

Source

Xijing Hospital

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:17:43-0400

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Medical and Biotech [MESH] Definitions

Adverse functional, metabolic, or structural changes in ischemic tissues resulting from the restoration of blood flow to the tissue (REPERFUSION), including swelling; HEMORRHAGE; NECROSIS; and damage from FREE RADICALS. The most common instance is MYOCARDIAL REPERFUSION INJURY.

Damage to the MYOCARDIUM resulting from MYOCARDIAL REPERFUSION (restoration of blood flow to ischemic areas of the HEART.) Reperfusion takes place when there is spontaneous thrombolysis, THROMBOLYTIC THERAPY, collateral flow from other coronary vascular beds, or reversal of vasospasm.

A clinical syndrome defined by MYOCARDIAL ISCHEMIA symptoms; persistent elevation in the ST segments of the ELECTROCARDIOGRAM; and release of BIOMARKERS of myocardial NECROSIS (e.g., elevated TROPONIN levels). ST segment elevation in the ECG is often used in determining the treatment protocol (see also NON-ST ELEVATION MYOCARDIAL INFARCTION).

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