Screening for Actionable Atrial Fibrillation During Preoperative Consultation With the MyDiagnostick

Atrial Fibrillation Clinical Trial

Official title:

Screening for Actionable Atrial Fibrillation During Preoperative Consultation With the MyDiagnostick

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT02960334
• Other study ID #: 2016-076
• Status: Completed
• Phase: N/A
• First received: November 3, 2016
• Last updated: August 30, 2017
• Start date: November 2016
• Est. completion date: April 2017

Study information

• Verified date: August 2017
• Source: Martini Hospital Groningen
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

Atrial Fibrillation (AF) It is the most common arrhythmia in the world. It carries great public health significance because of its prevalence, additional morbidity and mortality. It provides a 4-5 times higher risk of developing a ischemic stroke or transient ischemic attack. In term, this risk can be 70% reduced by taking oral anticoagulants. Actionable AF is the overarching term for silent AF (asymptomatic AF) and undertreated AF (known AF, but not sufficiently protected against ischemic stroke). It is recommended that over the age of 65, patients should be screened with pulse palpation or rhythm strip for the presence of AF. The MyDiagnostick is a single-lead I, compact hand-held device that analyses heart rhythm during one minute. During preoperative consultation, this device will be used to value the yield of screening for actionable AF.

Description:

Atrial fibrillation (AF) is the most common arrhythmia in the world, with a prevalence ranging from 1.9 - 2.3% and rising. It is known that the disease occurs more often as age progresses: 70% of affected cases are aged between 65 and 85, over 80 years, one is 10-18% likely to be carrying the illness. Multiple risk factors for developing AF have been determined, like hypertension, myocardial infarction, heart failure, valvular heart disease, obesity, DM and hyperthyroidism.

AF potentially leads to thrombus formation, resulting in a 4-5 times increased risk of getting a TIA or ischemic infarction.

Taking a 12 lead electrocardiogram (ECG) remains the golden standard, with the absence of distinct P-waves and a RR interval that is irregularly irregular.

AF is a risk factor and a risk marker for developing ischemic stroke, by providing a prothrombotic environment. This makes a patient with AF 4-5 times more susceptible for getting an ischemic stroke. Protection for this risk is done by prescribing oral anticoagulants (OAC) (according to an individuals CHA2DS2VASc-score) by either Vitamin-K antagonists (VKAs) or Novel Oral Anticoagulants (NOACs). This allows for a 70% stroke risk reduction.

Not all AF is known to its carrier, it has been proven that 30% of all cases proceeds asymptomatic. These patients are unknowingly exposed to a higher stroke risk. Undertreated AF is when AF is known, but OAC is unrightfully withheld. In approximately 20% of all AF-related strokes, AF was known but undertreated.

In view of the increasing prevalence of AF, it seems there is a need for screening for prevention of actionable AF-associated strokes. The European Society of Cardiology discloses in their most recent guideline that opportunistic screening appears feasible and cost-effective in patients older than 65 years, to be performed by either pulse taking or ECG rhythm strip. The MyDiagnostick, a compact hand-held, 1-lead ECG recorder was created to fulfil the need for better large scale screening devices. In one minute it distinguishes irregular rhythms from normal cardiac rhythms and it can store over 120 ECGs. In a study of 192 patients the MyDiagnostick showed to be 100% sensitive for detecting AF and had a specificity of 95.9%. It provided in a study in which the prevalence of silent AF was examined during influenza vaccination in 10 general practices with more than 3000 patients. From a total of 3269 screened patients, 121 (3,7%) cases of AF were detected, whereof 37 (1,1%) had not yet been diagnosed before.

In this study, the yield of opportunistic screening will be tested of all patients aged 65 or older during preoperative consultation with the MyDiagnostick

Recruitment information / eligibility

• Status: Completed
• Enrollment: 505
• Est. completion date: April 2017
• Est. primary completion date: March 2017
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 65 Years and older

Eligibility

Inclusion Criteria:

• >64 years of age, visiting preoperative consultation

Exclusion Criteria:

• <64 years of age

Related Conditions & MeSH terms

• Atrial Fibrillation

Intervention

Device:
• MyDiagnostick
The MyDiagnostick is a compact hand-held device that registers and stores I-lead ECG strips. In one minute, t analyses the rhythm for the presence of AF. It distinguishes AF from normal cardiac rhythms by measuring RR-irregularity.

Locations

Country	Name	City	State
Netherlands	Martini Ziekenhuis	Groningen

Sponsors (1)

Lead Sponsor	Collaborator
Martini Hospital Groningen

Country where clinical trial is conducted

Netherlands, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Presence of AF	The MyDiagnostick shows regular or irregular RR-interval	Single time point (when the patient visits the preoperative consultation hour)
Secondary	Usage of OAC	Usage of OAC	Single time point (when the patient visits the preoperative consultation hour)