Research on the Correlation Among Magnetocardiography Patterns and Known Cardiovascular Risk Factors in Diabetic Patients

August 12, 2010 updated by: National Taiwan University Hospital
The purpose of this study is to evaluate the correlation among magnetocardiography (MCG) patterns and various known cardiovascular risk factors.

Study Overview

Status

Unknown

Conditions

Detailed Description

It is well understood that diabetes mellitus (DM) causes various micro- and macrovascular complications. Among them, coronary heart diseases (CHDs) claim most mortality, and diabetes has been considered as "CHD equivalent". Furthermore, the risk of CHD has been noticed to increase in the pre-diabetic stage, suggesting the development of CHD may start in a rather early stage of the disease. Thus, early detection of CHD in diabetic patients seems to be important. However, currently exam methods for CHD in diabetic patients seemed to have their limitations.

Developed in the 1960s, magnetocardiography (MCG) is designed to detect the weak magnetic field generated by the electrical activity of the heart, and has been used widely in the study of fetal cardiac electrophysiology, arrhythmia and ischemic heart disease. However, the MCG pattern in diabetic patients is not fully understood. The aim of the study is to clarify the correlation among various cardiovascular risk factors and MCG pattern in diabetic patients. And, according to the results of the study, we'll evaluate the potentiality of MCG in early diagnosis of CHD in diabetic patients.

Study Type

Observational

Enrollment (Anticipated)

1100

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

  • Taiwan
      • Taipei, Taiwan, 100
        • Recruiting
        • National Taiwan University Hospital
        • Contact:
        • Principal Investigator:
          • Lee-Ming Chuang, MD. Ph.D.

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 and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

The Diabetic patient who receives follow-up at NTUH diabetics caring network

Description

Inclusion Criteria:

  • Clear consciousness
  • Met the diagnostic criteria of DM published by the American Diabetes Association in 2009

Exclusion Criteria:

  • not suitable for MCG exam (ex. with pacemaker implantation or indwelling metallic device)

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

  • Observational Models: Case-Only
  • Time Perspectives: Cross-Sectional

Cohorts and Interventions

Group / Cohort
Diabetes mellitus
The Diabetic patient who receives follow-up at NTUH diabetics caring network

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
The smooth index of corrected QT interval (SIQTC) measured by MCG
Time Frame: as the MCG exam is over
as the MCG exam is over

Collaborators and Investigators

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

Sponsor

National Taiwan University Hospital

Investigators

  • Study Director: Lee-Ming Chuang, MD. Ph.D., National Taiwan University Hospital
  • Principal Investigator: Chau-Chung Wu, MD. Ph.D., National Taiwan University Hospital
  • Principal Investigator: Yi-Der Jiang, MD., National Taiwan University Hospital
  • Principal Investigator: Tien-Jyun Chang, MD. Ph.D., National Taiwan University Hospital
  • Principal Investigator: Chih-Hung Lin, MD., National Taiwan University Hospital, Yun-Lin Branch

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

October 1, 2009

Study Registration Dates

First Submitted

October 5, 2009

First Submitted That Met QC Criteria

October 5, 2009

First Posted (Estimate)

October 6, 2009

Study Record Updates

Last Update Posted (Estimate)

August 16, 2010

Last Update Submitted That Met QC Criteria

August 12, 2010

Last Verified

July 1, 2010

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 200906039R

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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