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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
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Predictors and time-related impact of distal embolization during primary angioplasty

Massimo Napodano1, Angelo Ramondo, Giuseppe Tarantini

  • 1Cardiac Catheterization Laboratories and Interventional Cardiology, Department of Cardiac, Thoracic and Vascular Sciences, University of Padova, 2 via Giustiniani, 35100 Padova, Italy. massimo.napodano@gmail.com

European Heart Journal
|January 21, 2009
PubMed

Insights

Distal embolization (DE) during primary percutaneous coronary intervention (p-PCI) is linked to high thrombus burden. DE impairs myocardial reperfusion within 6 hours and increases damage within 3 hours, with effects diminishing over time.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Myocardial Infarction Management

Background:

  • Distal embolization (DE) is a complication of primary percutaneous coronary intervention (p-PCI).
  • Predictors and the impact of DE on myocardial reperfusion and necrosis require further elucidation, especially concerning treatment timing.

Purpose of the Study:

  • To identify predictors of DE during p-PCI.
  • To assess the impact of DE on myocardial reperfusion and necrosis in relation to time-to-treatment.

Main Methods:

  • Prospective assessment of clinical and angiographic characteristics in 400 consecutive patients undergoing p-PCI.
  • Evaluation of DE's impact on Thrombolysis in Myocardial Infarction (TIMI) flow, myocardial blush, and troponin I (TnI) based on symptom onset-to-balloon time.

Main Results:

  • DE occurred in 16% of patients and was not associated with time-to-treatment.
  • Predictors of DE included occlusion pattern, right coronary artery treatment, higher TIMI thrombus score, longer lesions, and large IRA diameter.
  • Impaired TIMI flow and myocardial blush (TIMI 0/1, blush 0/1) were more frequent with DE in patients treated within 6 hours; elevated TnI was seen with DE in those treated within 3 hours.

Conclusions:

  • High thrombus burden lesions are associated with increased DE during p-PCI.
  • DE reduces myocardial reperfusion effectiveness within 6 hours and enhances myocardial damage within 3 hours post-symptom onset.
  • Beyond these timeframes, DE does not significantly impact reperfusion or myocardial damage extent.
Abstract

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