Efficacy of ivabradin to reduce heart rate prior to coronary CT angiography: comparison with beta-blocker

Ummugulsum Bayraktutan; Mecit Kantarci; Fuat Gundoglu; Selami Demirelli; Ihsan Yuce; Hayri Ogul; Cihan Duran; Hakan Tas; Ziya Simsek; Nevzat Karabulut

doi:10.4261/1305-3825.DIR.5981-12.1

Back

Efficacy of ivabradin to reduce heart rate prior to coronary CT angiography: comparison with beta-blocker

Journal article

Peer reviewed

Efficacy of ivabradin to reduce heart rate prior to coronary CT angiography: comparison with beta-blocker

Ummugulsum Bayraktutan, Mecit Kantarci, Fuat Gundoglu, Selami Demirelli, Ihsan Yuce, Hayri Ogul, Cihan Duran, Hakan Tas, Ziya Simsek and Nevzat Karabulut

Diagnostic and interventional radiology (Ankara, Turkey), Vol.18(6), pp.537-541

11/01/2012

DOI: 10.4261/1305-3825.DIR.5981-12.1

PMID: 22729428

Files and links (1)

url

https://doi.org/10.4261/1305-3825.DIR.5981-12.1View

Open Access

Abstract

PURPOSE The objective of our study was to assess the effect of ivabradine on image quality of ECG-gated multidetector computed tomography (MDCT) coronary angiography. MATERIALS AND METHODS Computed tomography coronary angiography (CTCA) was performed on two groups. In Group 1 (n=54), an intravenous beta-blocker was administered to patients with a heart rate >70 beats per minute (bpm) just before CTCA. In Group 2 (n=56), oral ivabradine 5 mg was administered twice a day for three days prior to CTCA examination to patients with a heart rate >70 bpm and contraindication to beta-blockers. Images acquired on two different MDCT scanners were scored in terms of image quality of the coronary artery segments using a 5-point grading scale (Grade 1, unreadable; Grade 5, excellent). RESULTS The mean heart rates during CTCA were 64 +/- 6.7 bpm for Group 1 and 59 +/- 4.1 bpm for Group 2 (P<0.05). Mean heart rate reduction was 9 +/- 5% and 14 +/- 8% for Groups 1 and 2, respectively (P < 0.001). A total of 880 segments were evaluated in 110 patients. When the best reconstruction interval was used, 89.8% and 95.5% of all the coronary segments showed acceptable image quality in Groups 1 and 2, respectively. Acceptable image quality of the middle right coronary artery was obtained in 78.3% of Group 1 and 92.4% of Group 2. These ratios for the other segments were 88.4% for Group 1 and 951% for Group 2. CONCLUSION Reduction of heart rates with ivabradine premedication improves the image quality of CTCA. It should be considered as an alternative drug, particularly in patients with contraindications to beta-blockers.

Life Sciences & Biomedicine

Radiology, Nuclear Medicine & Medical Imaging

Science & Technology

Details

Title: Subtitle: Efficacy of ivabradin to reduce heart rate prior to coronary CT angiography: comparison with beta-blocker
Creators: Ummugulsum Bayraktutan - Atatürk University
Mecit Kantarci - Atatürk University
Fuat Gundoglu - Atatürk University
Selami Demirelli - Atatürk University
Ihsan Yuce - Atatürk University
Hayri Ogul - Atatürk University
Cihan Duran - Bilim Univ, Sch Med, Dept Radiol, Istanbul, Turkey
Hakan Tas - Atatürk University
Ziya Simsek - Atatürk University
Nevzat Karabulut - Pamukkale University
Resource Type: Journal article
Publication Details: Diagnostic and interventional radiology (Ankara, Turkey), Vol.18(6), pp.537-541
DOI: 10.4261/1305-3825.DIR.5981-12.1
PMID: 22729428
NLM abbreviation: Diagn Interv Radiol
ISSN: 1305-3825
eISSN: 1305-3612
Publisher: TURKISH SOC RADIOLOGY
Number of pages: 5
Language: English
Date published: 11/01/2012
Academic Unit: Radiology
Record Identifier: 9984697627502771

Metrics

3 Record Views

17 Times Cited - Web of Science