Usefulness of the Corsair microcatheter for treatment of complex chronic total occlusion

Yoritaka Otsuka1, Keita Nakamura, Taro Saito

  • 1Department of Cardiology, Fukuoka Wajiro Hospital, 2-2-75, Wajirogaoka, Higashi-ku, Fukuoka 811-0213, Japan. yotsuka@f-wajirohp.jp

Insights

Percutaneous coronary intervention (PCI) for chronic total occlusion (CTO) is challenging, especially in complex arteries. A novel microcatheter and antegrade approach enabled successful PCI for a difficult circumflex CTO lesion.

Area of Science:

  • Interventional Cardiology
  • Vascular Interventions

Background:

  • Percutaneous coronary intervention (PCI) for chronic total occlusion (CTO) presents significant technical challenges.
  • Complex coronary anatomy, including angulation and tortuosity, further magnifies the difficulty of PCI for CTO.

Observation:

  • A case involving a CTO lesion in complex circumflex anatomy is presented.
  • The lesion was unresponsive to conventional microcatheters.

Findings:

  • Successful revascularization of the circumflex CTO lesion was achieved.
  • A novel microcatheter, the Corsair catheter, was utilized.
  • An antegrade approach facilitated guidewire passage through proximal steep angulation and the CTO lesion.

Implications:

  • This approach offers a potential solution for treating complex CTO lesions in challenging coronary anatomy.
  • The use of novel microcatheters can improve PCI success rates in difficult cases.
  • Further research into advanced techniques for CTO intervention is warranted.