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Heart Rate Reducing Therapy in Cardiac CT Using Ivabradine and Bisoprolol

M

Medical University of Graz

Status

Completed

Conditions

Bradycardia

Treatments

Drug: Ivabradine 7.5mg orally

Study type

Observational

Funder types

Other

Identifiers

NCT02764970
26-130 ex 13/14

Details and patient eligibility

About

Out-patients scheduled for coronary computer tomographic angiography (CCTA) were screened regarding their baseline heart rate. If heart rate was > 75, patients were pretreated with 10mg bisoprolol (group 1) or 10mg bisoprolol plus 7.5mg ivabradine (group 2) to reduce heart rate one our before CCTA was performed.

Heart rate, additional use of i.v. bradycardic agents, motion artefacts, radiation dose and drug tolerance was monitored.

Full description

Aim of the study is to evaluate if ivabradine, an inhibitor of the funny channel (If), in addition to bisoprolol is effective in lowering heart rate before coronary computer tomographic angiography (CCTA) if administered orally one hour before the scan.

Out-patients of a single radiology center are included in this retrospective analysis. All patients are referred to an ambulant CCTA. All scans are performed with a Siemens Somatom Sensation Cardiac 64 Computer Tomograph and analyzed with Siemens Syngo Plaza software. Patients with an initial heart rate of ≥ 75 bpm are either pretreated with bisoprolol 10mg p.o. alone (group 1) or a combination of bisoprolol 10mg and ivabradine 7.5mg p.o. (group 2) one hour before the CT scan.

The change in treatment from bisoprolol only to the combination of bisoprolol and ivabradine was introduced as a change in standard treatment independent of the study. The study was only plannend and performed as a retrospective analysis after the last patient included into the analysis was already treated.

Additional betablocker is administered intravenously right before the scan if heart rate remains elevated.

The hypothesis is that the addition of ivabradine to bisoprolol results in a pronounced heart rate reduction. This heart rate reduction will lead to a reduced need of i.v. bradicardic drug use, a reduction in motion artifacts and a reduced radiation dose to to a higher rate of flash sequences.

Enrollment

112 patients

Sex

All

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • all comer study

Exclusion criteria

  • none

Trial design

112 participants in 2 patient groups

ivabradine 7.5mg orally
Description:
patients are pretreated with ivabradine and bisoprolol orally before Cardiac CT angiogram
Treatment:
Drug: Ivabradine 7.5mg orally
bisoprolol
Description:
patients are only pretreated with bisoprolol orally before Cardiac CT angiogram

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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