Platelet Leukocyte Aggregates in Acute Cardiac Syndrome vs Healthy Volunteers

November 13, 2014 updated by: Dr. Najib Dally, Ziv Hospital

Comparing Blood Count Test Measures to Flow Cytometry in Healthy Patients to Acute General Syndrome Patients

This project aims to refine previous studies including the investigators work recently published in August 2012 Journal Thrombosis and Thrombolysis. That study showed a relationship between the level of platelet leukocyte aggregates in patients with acute coronary syndrome. The investigators intend to compare the characteristics of platelets, monocytes and neutrophil data of volume, scatter and conductivity obtained from routine blood count level with flow cytometry results defining platelet leukocyte aggregates. The investigators hypothesize that there will be a direct correlation between elevated platelet-leukocyte aggregates and biophysical data from the blood count.

Study Overview

Status

Completed

Conditions

Detailed Description

The goal is to investigate whether there is a simple and inexpensive method to test the level of platelet leukocyte aggregates through the blood count test. The parameters which are obtained routinely for white blood cell counts include: capacity - electrical conductivity (conductivity) - dispersion (scatter), and volume. Though these values are not reported routinely, they can be accessed for each blood count.

The premise is that through blood counts (no need for specialized flow cytometry) and through the parameters mentioned a conclusion can be reached about platelet leukocyte aggregates. This will then aid in prognosis about the risk of an acute event for every patient with ischemic heart disease who comes to the emergency room.

Study Type

Observational

Enrollment (Actual)

59

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Israel
      • Safed, Israel, 13100
        • Ziv Medical Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 67 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

Acute Myocardial Infact

Description

Inclusion Criteria:Signed consent form, over 18 years of age, diagnosis of STEMI or non-STEMI as per following:

  • Acute ST Elevation Myocardial Infarction (STEMI) was diagnosed in patients with high level of troponin I (>0.4 ng/ml), ST segment elevation in at least two contiguous leads of the ECG (or new LBBB) and/or ischemic chest pain.
  • Acute Non ST Elevation Myocardial Infarction (Non STEMI) was diagnosed if level of troponin I was > 0.4 ng/ml, patient had ischemic chest pain or ST-T depression and/or T-wave inversion on ECG.

Exclusion Criteria:Inability to sign consent form, under 18, participation in other research projects within previous 6 months.

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Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Detection of platelet-leukocyte aggregates by routine blood count.
Time Frame: 1 year
1 year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Ziv Hospital

Investigators

  • Principal Investigator: Nagib Dally, MD, Ziv Medical Center

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2013

Primary Completion (ACTUAL)

September 1, 2014

Study Completion (ACTUAL)

September 1, 2014

Study Registration Dates

First Submitted

February 19, 2013

First Submitted That Met QC Criteria

February 21, 2013

First Posted (ESTIMATE)

February 22, 2013

Study Record Updates

Last Update Posted (ESTIMATE)

November 14, 2014

Last Update Submitted That Met QC Criteria

November 13, 2014

Last Verified

November 1, 2014

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 0059-12-ZIV

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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