Transradial approach (left vs right) and procedural times during percutaneous coronary procedures: TALENT study - 06/08/11
, Enrico Romagnoli, MD, PhD a, Francesco Burzotta, MD, PhD b, Carlo Trani, MD b, Alessandro Sarandrea, MD a, Francesco Summaria, MD a, Gianluca Pendenza, MD c, Antonella Tommasino, MD b, Roberto Patrizi, MD a, Mario Mazzari, MD b, Rocco Mongiardo, MD b, Ernesto Lioy, MD aRésumé |
Background |
Most of the studies assessing transradial approach for coronary angiography (CA) have been performed through right radial approach (RRA). Our aim was to evaluate the safety and efficacy of left radial approach (LRA) compared with RRA for coronary procedures.
Methods |
From January 2009 to December 2009, in 2 hospitals, 1,540 patients were randomized to RRA (770 patients) or LRA (770 patients) for percutaneous coronary procedures. The primary end point was fluoroscopy time for CA and for percutaneous coronary intervention (PCI) evaluated independently. Prespecified subgroup analyses according to patient age and operator experience were planned.
Results |
In 1,467 patients (732 RRA and 735 LRA), a CA (diagnostic group) was performed, and in 688 (344 each for RRA and LRA), a PCI. In the diagnostic group, LRA was associated with significantly lower fluoroscopy time (149 seconds, interquartile range [IQR] 95-270 seconds) and dose area product fluoroscopy (10.7 Gy cm2, IQR 6-20.5 Gy cm2) compared with the RRA (168 seconds, IQR 110-277 seconds, P = .0025 and 12.1 Gy cm2, IQR 7-23.8 Gy cm2, P = .004, respectively). In the PCI group, there were no significant differences in fluoroscopy time (614 seconds, IQR 367-1,087 seconds for LRA and 695 seconds, IQR 415-1,235 seconds, P = .087 for RRA) and dose area product fluoroscopy (53.7 Gy cm2, IQR 29-101 Gy cm2 for LRA and 63.1 Gy cm2, IQR 31-119 Gy cm2, P = .17 for RRA). According to subgroup analyses, the differences between LRA and RRA were confined to older patients (≥70 years old) and to operators in training.
Conclusions |
Left radial approach for coronary diagnostic procedures is associated with lower fluoroscopy time and radiation dose adsorbed by patients compared with the RRA, particularly in older patients and for operators in training.
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| RCT reg no. NCT00821106. |
Vol 161 - N° 1
P. 172-179 - janvier 2011 Retour au numéro
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