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Revista chilena de cardiología

On-line version ISSN 0718-8560

Abstract

MARAGANO, Patricio et al. IMPACT OF INTRODUCER LENGTH IN TRANSRADIAL CORONARY INTERVENTIONS: A CLINICAL RANDOMIZED STUDY. Rev Chil Cardiol [online]. 2013, vol.32, n.1, pp.40-45. ISSN 0718-8560.  http://dx.doi.org/10.4067/S0718-85602013000100005.

Aim: Radial artery spasm producing severe pain is the most common complication of trans-radial approach for coronary artery catheterization. It remains unclear whether the length of the introducer is related to this complication. The aim of this study was to assess the impact of introducer length on radial artery spasm and, also, to identify variables associated to this complication. Methods and results: 99 patients were randomized to receive either a long (25 cm) or a short (10 cm) introducer for coronary catheterization. Both types of introducer were hydrophilic coated. The procedure was successful in all subjects. Radial artery spasm developed in 12 patients, 18.8% of those receiving a long introducer vs 5.9% of those receiving the short one (p=0.005). Corresponding values for sheath retrieval pain were 21.6% and 43.8%, respectively (p=0.018). No between-group difference was observed in radiation dose, radioscopy time and total procedure time. Diabetes and female gender were predictors of radial artery spasm. Conclusion: Use of a shorter hydrophilic coated introducer resulted in a lesser incidence of radial artery spasm and associated pain, during coronary catheterization.

Keywords : vasospasm; angiography; cardiac catheterization.

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