Biomedical papers, 2016 (vol. 160), issue 3

Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 2016, 160(3):393-398 | 10.5507/bp.2016.035

Short sheath benefit in radial artery injury after PCI - optical coherence tomography serial study

Tereza Novakovaa, Jan Kanovskya, Roman Miklika, Otakar Boceka, Martin Poloczeka, Petr Jerabeka, Lenka Privarovaa, Tomas Ondrusa, Jiri Jarkovskyb, Klara Benesovab, Jindrich Spinara, Petr Kalaa
a Department of Internal Medicine and Cardiology, University Hospital Brno and Medical Faculty of Masaryk University, Brno, Czech Republic
b Institute of Biostatistics and Analyses, Masaryk University, Brno, Czech Republic

Background and Aims: Transradial catheterization is the predominant access site for coronary catheterization and percutaneous coronary interventions (PCI). Previous studies have reported a high incidence of radial artery (RA) injury. The aim of this investigation was to evaluate the incidence of RA injury using last generation optical coherence tomography (OCT) intravascular imaging in a serial manner.

Methods: 100 patients with a diagnosis of non-ST-elevation myocardial infarction (nSTEMI) treated by PCI were enrolled. OCT of RA was performed immediately after the index PCI. OCT was repeated 9 months later.

Results: There were 11 patients with RA injuries (11.0%) at baseline, including 3 patients with RA medial dissection and 8 patients with intimal tears. In the follow-up OCT data, the number of RA injuries was 10 (10.0%), including 7 patients with RA medial dissection and 3 patients with intimal tear. All injuries were clinically asymptomatic and there was no finding of vessel perforation. There was no significant difference between the baseline and follow-up procedure in terms of number of injuries.

Conclusion: The study showed no significant difference between baseline and follow-up RA injury incidence. There was a higher risk of radial injury for repeated catheterization in women. The conclusion is that radial catheterization is a very safe procedure in terms of radial artery damage. This is evidenced by considerably fewer injuries compared to published studies. The use of the short radial sheath (7 cm in this study) is protective and reduces the incidence of radial injury.

Keywords: optical coherence tomography, radial artery, injury, introducer

Received: February 22, 2016; Accepted: June 23, 2016; Prepublished online: September 13, 2016; Published: September 20, 2016


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