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Using a Personal Heart Rhythm Monitor to Diagnose Paroxsymal Atrial Fibrillation in the Community

Stroke Clinical Trial

Official title:
Using a Personal Heart Rhythm Monitor (PHRM) to Diagnose Paroxsymal Atrial Fibrillation (PAF) in the Community; and the PREDICT-PAF Substudy - an Investigation of Biomarkers to Detect PAF.

Clinical Trial Summary

This propsective study aims to compare the diagnostic yield of a Personal Heart Rhythm Monitor (PHRM) with an automated cardiac event recorder (ACER) to detect paroxysmal Atrial Fibrillation PAF). The investigators hypothesise that the PHRM, used intermittently for 3 months, will detect significantly more cases of PAF than the ACER, used continuously for one week.

A case-control sub-study will identify individuals with confirmed PAF, and matched individuals with no evidence of PAF, to identify potential serum biomarkers for PAF.

A further case-control study will assess markers of left atrial function in patients with PAF and their matched controls.

Another case-control sub-study will determine the significance of frequent Atrial Premature Beats (APBs) in the development of AF over a one year period.

Clinical Trial Description

Patients with suspected AF will be initially referred to a community-based, nurse-led Arrhythmia clinic by their General Practitioners over a 15-month period.

All patients will be issued with a one week ACER (the 'R. Test 4 Evolution'), seen as the 'best-practice' investigation for this population group. Participants will also be issued with a PHRM for three months. They will be instructed to take regular twice-daily, 30 second recordings with additional recordings in the event of relevant symptoms. They will return the ACER after one week and the PHRM after 3 months.

A subgroup of participants (target recruitment number = 100) will undergo transthoracic echocardiography. A 40ml venous blood sample will also be taken. Another small subgroup (target recruitment = 20) will be asked to continue twice-daily recordings using the PHRM for a further nine months and will be issued with a repeat one week ACER at study completion. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01867060
Study type Interventional
Source University of Surrey
Contact
Status Completed
Phase Phase 3
Start date May 2013
Completion date August 2016
View Details
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