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NCT05516615: SCREEN-MORE

The Predictive Value of the Heart Rate Response to Breathing Maneuvers for Inducible Myocardial Perfusion Deficits

Completed Last updated 10 January 2024
What this trial tests

trial testing 4 minute breathing maneuver in Coronary Artery Disease in 86 participants. Completed in 18 April 2023.

Timeline
14 July 2020
Primary endpoint
18 April 2023
18 April 2023

Quick facts

Lead sponsorMcGill University Health Centre/Research Institute of the McGill University Health Centre
StatusCompleted
Study typeOBSERVATIONAL
Enrollment86
Start date14 July 2020
Primary completion18 April 2023
Estimated completion18 April 2023
Sites1 location across Canada

Drugs / interventions tested

Conditions studied

Sponsor

McGill University Health Centre/Research Institute of the McGill University Health Centre

Who can join

35 and older, any sex, with Coronary Artery Disease. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

Breathing maneuvers, i.e. hyperventilation followed by breath-holding, have been shown to change coronary dynamics; hyperventilating narrows the coronary arteries, puts "stress" on the heart, and increases the heart rate, whereas breath-hold dilates the coronary arteries and decreases the heart rate," rest". Heart rate response to hyperventilation has been reported to have high diagnostic accuracy to rule out heart disease. The cardiac stress test, the modality of choice for the initial assessment of patients with suspected coronary artery disease(CAD), is routinely overprescribed by physicians, which exerts a financial burden on the healthcare system. Hence, developing an inexpensive, reliable, and available tool-HR response to breathing maneuvers- may avoid unnecessary referrals for cardiac stress tests by an effective differentiation of patients with CAD from healthy people. This study aims to assess the negative predictive value of the HR response to a 4-minute breathing maneuver for inducible myocardial ischemia, avoiding further stress testing as a gatekeeper.

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.

Verify or expand the search:

Other recruiting trials for Coronary Artery Disease

Currently open trials in the same condition.

Other McGill University Health Centre/Research Institute of the McGill University Health Centre trials

Trials by the same sponsor.

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Data sources for this page

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