Assessment of the Clinical Efficacy of the Heart Spectrum Blood Pressure

Status Completed

Clinical Trial Summary

Question: Is 12-lead electrocardiography (ECG) the most accurate and convenient diagnostic method for atrial fibrillation (AF)? Findings: The Heart Spectrum Blood Pressure Monitor can be used at home, and is capable of determining the occurrence of AF. Three measurement methods were used in this study. The sensitivity, specificity, PPV, and NPV of the methods used are between 90% and 100%, and the Heart Spectrum Blood Pressure Monitor can be effectively applied to AF detection.

Meaning: The Heart Spectrum Blood Pressure Monitor can be used at home and can replace the need for an in-office ECG, thereby accomplishing meaningful telecare.

Clinical Trial Description

Importance: Atrial fibrillation (AF) is the most common arrhythmia. The most common diagnostic method, 12-lead ECG, can record episodes of arrhythmia from which the type and severity can be determined. The Heart Spectrum Blood Pressure Monitor (P2, OSTAR Meditech Corp.) is used to measure cardiovascular pressure change, with fast Fourier transform (FFT) analysis, to obtain the heart rate frequency variability and accurate blood pressure data.

Objective: To compare the diagnostic efficacy of the Heart Spectrum Blood Pressure Monitor with a 12-lead ECG in patients with AF. Three measurement methods were used in this study: blood pressure, mean arterial pressure (MAP) which is calculated from individual blood pressure as constant pressure, and a constant pressure 60 mmHg, in order to analyze the heart index and compare it with simultaneous 12-lead ECG.

Design: The physician used a 12-lead ECG and the Heart Spectrum Blood Pressure Monitor simultaneously. The Heart Spectrum Blood Pressure Monitor used an FFT analysis for the diagnosis of AF; the findings were compared with the readings from the 12-lead ECG.

Setting: This unblinded clinical trial was conducted at the Emergency Room of Taipei Medical University Hospital.

Participants: Twenty-nine subjects with AF and 33 without AF, aged 25 to 97 years (mean: 63.5 years), were included.

Intervention(s) for clinical trials Subjects who had been exposed to high frequency surgical equipment during testing, those with cardiac pacemakers or implantable defibrillators, and pregnant women were excluded.

Trial Registration: TMU JIRB No.: N201510061 ;

Study Design

Related Conditions & MeSH terms

Atrial Fibrillation

Clinical Trial Details

NCT number	NCT03095131
Study type	Interventional
Source	Ostar Meditech Corp
Contact
Status	Completed
Phase	N/A
Start date	February 22, 2016
Completion date	December 7, 2016

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.

Assessment of the Clinical Efficacy of the Heart Spectrum Blood Pressure Monitor for Diagnosis of Atrial Fibrillation

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms