Myocardial Damage In Patients With Cerebral Infarction

Status Completed

Clinical Trial Summary

Introduction

For several years "ischemic" electrocardiographic (ECG) changes in the acute phase of ischemic stroke have been reported. Whether these ECG changes reflect true myocardial ischemia remains controversial. So far no study has assessed different markers of myocardial ischemia or necrosis in consecutive patients admitted to hospital with an acute ischemic stroke.

Purpose

The main purpose of this study is to determine the potential burden of reversible and irreversible myocardial ischemia in patients with an acute ischemic stroke.

Patients and methods

Serial blood samples for measuring troponin T, CK-MB and NT-proBNP are collected in 250 patients with evidence of an acute ischemic stroke admitted to the Department of Neurology at Odense University Hospital. In addition resting 12-lead ECG recordings will be obtained on a daily basis, and a 24-hour ST-segment ambulatory monitoring will be performed once within the first week of hospitalisation. Finally, myocardial perfusion patterns during rest will be evaluated by means of a myocardial perfusion scintigraphy in patients with an elevated troponin T level.

Six months later control measurements of troponin T, CK-MB and NT-proBNP and a 12-lead ECG will be obtained.

Expectations

The study will contribute with original observations in patients with acute ischemic stroke considering the following issues:

1. The prevalence and characteristics of ECG changes suggestive of myocardial ischemia.

2. The prevalence of transient ST-segment changes on ambulatory monitoring.

3. The prevalence and degree of myocardial necrosis as judged from biochemical markers.

4. The prevalence of reversible and irreversible perfusion defects on myocardial scintigraphy.

5. The prevalence, size and patterns of NT-proBNP.

6. Whether there is a change in ECG and biochemical markers over a 6-month follow-up period.

The results may have clinical implications regarding early and late treatment as well as clinical follow-up of patients recovering from an episode of acute ischemic stroke.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00306579
Study type	Observational
Source	Danish Heart Foundation
Contact
Status	Completed
Phase	N/A
Start date	August 2003
Completion date	May 2005

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.