Percutaneous coronary interventions using a new 5 French guiding catheter: Results of a prospective study

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Abstract

The aim of this prospective study was to analyze the technical feasibility, the success rate, and the special complications of percutaneous coronary interventions (PCIs) using a newly released 5 Fr guiding catheter with an inner diameter of 0.058″. The study was performed in 150 consecutive patients subjected to coronary angioplasty. In 89% of the patients, the intervention was started with a 5 Fr catheter (JR4 or JL4); in 16 patients a 6 or 7 Fr catheter was used because of unstable clinical conditions according to the decision of the interventional cardiologist In 12 out of 134 patients, the guiding catheter had to be changed during the intervention from 5 Fr to a 6 or 7 Fr catheter due to poor backup support. In 112 out of 118 patients, the intervention was successfully performed using a 5 Fr catheter (95%); in 12 out of 16 patients, after changing the guiding catheter, the overall success rate was 93%. In patients with type A and B lesions who were initially treated using a 5 Fr catheter, the procedural success rate was 100% (81 out of 81), whereas in patients with type C lesions the procedural success rate was 83% (43 out of 53; P = 0.000053, Fisher's exact test). Furthermore, in patients with a diameter stenosis < 90%, the procedural success rate was 100% (57 out of 57), whereas in patients with a diameter stenosis of 90%-100%, the procedural success rate was 87% (67 out of 77; P = 0.0050). Stent implantation was performed successfully in 24 patients (18%) using the 5 Fr guiding catheter. This study confirms that PCI was technically feasible using a 5 Fr guiding catheter in the majority of consecutive patients with a success rate of 95%. There were significant differences in the success rate depending on the lesion type and the diameter stenosis. Complications were very rare and were not related to the guiding catheter. Limitations of the 5 Fr guiding catheters arose mainly from a poor backup support in long lesions and severe stenosis. © 2001 Wiley-Liss, Inc.

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APA

Schöbel, W. A., Spyridopoulos, I., Hoffmeister, H. M., & Seipel, L. (2001). Percutaneous coronary interventions using a new 5 French guiding catheter: Results of a prospective study. Catheterization and Cardiovascular Interventions, 53(3), 308–312. https://doi.org/10.1002/ccd.1172

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