MCG for Localization of Tachyarrhythmia's Origin

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

1000 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-03-14

Study Completion Date

2025-02-28

Brief Summary

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This is an exploratory research aiming to accurately identify the site of origin of tachyarrhythmia using Magnetocardiography (MCG), which will have guiding significance for early diagnosis, the formulation of treatment plans and preoperative positioning for radiofrequency ablation.

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Detailed Description

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Conditions

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Tachyarrhythmia Atrial Flutter Paroxysmal Supraventricular Tachycardia Atrial Tachycardia Atrial Fibrillation Premature Ventricular Contraction

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Patients with atrial tachycardia

Patients with atrial tachycardia will receive dynamic ECG, MCG and cardiac electrophysiologic examinations.

Group Type EXPERIMENTAL

Magnetocardiography

Intervention Type DEVICE

Magnetocardiography

Patients with atrial flutter

Patients with atrial flutter will receive dynamic ECG, MCG and cardiac electrophysiologic examinations.

Group Type EXPERIMENTAL

Magnetocardiography

Intervention Type DEVICE

Magnetocardiography

Interventions

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Magnetocardiography

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Age 18-79 years old;
* Those whose conditions are comparatively stable and who have been diagnosed by an attending physician （or physicians with higher qualifications） with paroxysmal supraventricular tachycardia, atrial tachycardia, atrial flutter, atrial fibrillation, or premature ventricular contractions, and who are capable of performing MCG and cardiac electrophysiologic examinations after evaluation.
* Signed informed consent.

Exclusion Criteria

* Those with known structural heart disease such as cardiomyopathy and valvular disease;
* Those with history of other cardiovascular diseases such as pulmonary embolism and aortic dissection;
* Those with connective tissue diseases (lupus erythematosus, rheumatoid arthritis, dermatomyositis, polyarteritis nodosa, etc.) combined with cardiac complications;
* Those with obvious abnormal thyroid function, severe anemia or other blood diseases and other diseases that obviously affect the circulating blood supply;
* Those with Obese (BMI\>30kg/cm2) or underweight (BMI\<18kg/cm2);
* Those with malignant tumors;
* Professional athletes, pregnant or breastfeeding women, alcoholics;
* Those with acute diseases or critical illnesses in other systems, such as acute or severe respiratory diseases, abnormal liver function or renal function, etc.;
* Those with infectious diseases or communicable diseases;
* Those who are unable or fail to perform magnetocardiography due to claustrophobia, physical impairment, etc.;
* Unable to or fail to cooperate with the corresponding research requirements.

Minimum Eligible Age

18 Years

Maximum Eligible Age

79 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No