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Treatment of collateral channel perforation during percutaneous coronary intervention for chronic total occlusion

Daisuke Morisawa1, Atsunori Okamura, Motoo Date

  • 1Division of Cardiology, Sakurabashi Watanabe Hospital, 2-4-32 Umeda, Kita-ku, Osaka, 530-0001, Japan.

Cardiovascular Intervention and Therapeutics
|July 23, 2013
PubMed

Insights

Percutaneous coronary intervention using the retrograde approach for chronic total occlusion can lead to collateral channel perforation. Coil embolization and autologous clot injection were required to manage bleeding in these cases.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Vascular Medicine

Background:

  • Percutaneous coronary intervention (PCI) is a common procedure for treating coronary artery disease.
  • The retrograde approach for chronic total occlusion (CTO) involves accessing the occluded artery from a different vessel.
  • Collateral channels are vital for blood supply but can pose risks during intervention.

Observation:

  • Three cases of collateral channel perforation during retrograde PCI for CTO are presented.
  • Perforations occurred in septal and epicardial collateral channels.
  • Bleeding complications arose following the perforations.

Findings:

  • Coil embolization was used to seal the perforation sites.
  • All three patients required additional interventions to control bleeding.
  • Autologous clot injection was necessary in all cases, with one also needing fibrin glue.

Implications:

  • Collateral channel perforation is a potential complication of retrograde CTO PCI.
  • Effective management requires prompt recognition and multi-modal treatment strategies.
  • Further research may optimize techniques to minimize perforation risks and improve patient outcomes.

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