RT Journal Article SR Electronic A1 Novakova, Tereza A1 Kanovsky, Jan A1 Miklik, Roman A1 Bocek, Otakar A1 Poloczek, Martin A1 Jerabek, Petr A1 Privarova, Lenka A1 Ondrus, Tomas A1 Jarkovsky, Jiri A1 Benesova, Klara A1 Spinar, Jindrich A1 Kala, Petr T1 Short sheath benefit in radial artery injury after PCI - optical coherence tomography serial study JF Biomedical papers YR 2016 VO 160 IS 3 SP 393 OP 398 DO 10.5507/bp.2016.035 UL https://biomed.papers.upol.cz/artkey/bio-201603-0009.php AB 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.