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Predictors of successful PTCA using coronary perfusion balloon catheters

E D Grassman1, S A Johnson, F Leya

  • 1Department of Medicine, Loyola University Medical Center, Maywood, Illinois 60153, USA.

The Journal of Invasive Cardiology
|February 7, 1995
PubMed

Insights

Successful percutaneous transluminal coronary angioplasty (PTCA) using perfusion balloon catheters (PBC) is predicted by larger balloon size and the absence of pre-procedural thrombus. Unstable angina and thrombus presence reduce success rates.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Medical Devices

Background:

  • Percutaneous transluminal coronary angioplasty (PTCA) is a common procedure for treating coronary artery disease.
  • Perfusion balloon catheters (PBC) offer a method to maintain coronary blood flow during angioplasty.
  • Predictors of successful PTCA with PBC require further definition.

Purpose of the Study:

  • To identify clinical, angiographic, and procedural factors predicting successful PTCA using perfusion balloon catheters (PBC).

Main Methods:

  • Retrospective analysis of 207 lesions in 193 patients undergoing PTCA with PBC.
  • Evaluation of variables including patient demographics, clinical status, lesion characteristics, and procedural parameters.
  • Logistic regression analysis to determine significant predictors of procedural success.

Main Results:

  • Unsuccessful PTCA was more frequent in patients with unstable angina, pre-procedural thrombus, and smaller balloon sizes.
  • Larger balloon size (OR = 0.447) and absence of thrombus (OR = 2.217) were significant predictors of success.
  • Smaller vessel size and presence of thrombus decreased the likelihood of successful PTCA.

Conclusions:

  • Procedural success with PBC is influenced by vessel size and the presence of thrombus.
  • Unstable angina and pre-procedural thrombus are associated with lower success rates.
  • Alternative percutaneous interventions may be considered for patients with unstable angina and thrombus.

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