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Procedural factors associated with percutaneous coronary intervention-related ischemic stroke

Scott J Hoffman1, Helen C Routledge, Ryan J Lennon

  • 1Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota 55905, USA.

JACC. Cardiovascular Interventions
|February 25, 2012
PubMed

Insights

Procedural factors during percutaneous coronary intervention (PCI) are linked to ischemic stroke. Modifiable technical parameters, like catheter use and contrast volume, increase stroke risk, necessitating careful planning.

Area of Science:

  • Cardiology
  • Neurology
  • Interventional Cardiology

Background:

  • Stroke is a severe complication of percutaneous coronary intervention (PCI).
  • While demographic predictors of stroke are unchangeable, the role of procedural factors remains unclear.
  • Identifying modifiable procedural factors could reduce stroke incidence after PCI.

Purpose of the Study:

  • To investigate the association between procedural factors and the occurrence of ischemic stroke or transient ischemic attack (PCI-stroke).
  • To determine if technical aspects of PCI influence stroke risk.

Main Methods:

  • A single-center retrospective study of 21,497 PCI hospitalizations from 1994 to 2008.
  • Comparison of procedural factors between patients who experienced PCI-stroke (n=79) and a matched control group (n=158).
  • Logistic regression modeling was used for 2:1 matching based on predicted stroke probability.

Main Results:

  • PCI-stroke cases involved more catheters, greater contrast volumes, and larger guide caliber.
  • Rotational atherectomy was more common in PCI-stroke patients (10% vs. 3%).
  • Procedural success was lower in the PCI-stroke group (71% vs. 85%), with no difference in radial vs. femoral approach rates.

Conclusions:

  • Potentially modifiable technical parameters during PCI are associated with ischemic stroke.
  • Careful procedural planning is crucial, especially for high-risk patients.
  • Further research into optimizing PCI techniques to mitigate stroke risk is warranted.
Abstract

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