Adam C Bland, William Meere, Philopatir Mikhail, Eunice Chuah, Eleanor Redwood, David Ferreira, Nicklas Howden, Adam Perkovic, Samantha L Saunders, Amy Kelty, Tony Kull, Andrew Hill, Roberto Spina, Kiran Sarathy, Austin May, Michael Parkinson, Mark Ishak, Nicholas Collins, Andrew Boyle, Maged William, Prajith Jeyaprakash, Tom J Ford
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引用次数: 0
Abstract
Background: The 1.5 mm Baby J hydrophilic narrow J-tipped wire is a development of the standard 0.035" 3-mm J-tipped peripheral guidewire, designed to improve efficiency of transradial coronary procedures by safely navigating small caliber radial arteries to the aorta. There is currently a lack of evidence comparing the procedural success and safety of different peripheral guidewires used in transradial cardiac procedures. We compared the efficacy and safety of a narrow J-tipped hydrophilic 0.035" wire (intervention, Radifocus Baby J guidewire; TERUMO Co, Tokyo, Japan) versus a standard fixed-core 0.035" J wire (control).
Methods: Investigator-initiated, blinded, Australian, multicenter randomized trial in patients undergoing clinically indicated coronary angiography or percutaneous coronary intervention. Patients were randomized 1:1 to use either the control guidewire or the intervention guidewire. The primary end point (technical success) was defined as gaining aortic root access with the randomized guidewire.
Results: In all, 330 patients were randomized between October 2022 and June 2023 (median age was 69 years, 36% were female, and body mass index was 29 kg/m2). The primary end point was achieved more frequently in the intervention group (96% versus 84%; absolute risk reduction 12% [95% CI, 5.7-18.3]; P<0.001). Women assigned to the control wire experienced a higher failure rate compared with men (31% versus 8% in men; P<0.001). Fluoroscopy time was significantly lower in the Baby J group (median, 344 versus 491 seconds; P=0.024). The main mechanisms of failure using the control wire were radial artery spasm (15/26; 57%) and subclavian tortuosity (5/26; 19.2%). There were no differences in overall procedure times, major adverse cardiovascular events, or vascular complications between guidewires.
Conclusions: A narrow 1.5 mm J-tipped hydrophilic guidewire resulted in greater technical success and reduced fluoroscopy time compared with the standard 3-mm J-tipped nonhydrophilic guidewire. The guidewire is safe and demonstrated key incremental benefits for the transradial approach, particularly in women.
期刊介绍：
Circulation: Cardiovascular Interventions, an American Heart Association journal, focuses on interventional techniques pertaining to coronary artery disease, structural heart disease, and vascular disease, with priority placed on original research and on randomized trials and large registry studies. In addition, pharmacological, diagnostic, and pathophysiological aspects of interventional cardiology are given special attention in this online-only journal.
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