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Related Experiment Videos

Coronary stenting without pre-dilatation: an observational study.

P C Rath1, M K Agarwala, N K Das

  • 1Apollo Heart Institute, Hyderabad.

Indian Heart Journal
|May 23, 2000
PubMed
Summary
This summary is machine-generated.

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Stenting without pre-dilatation is a safe and effective technique for stable angina. This approach reduces procedure time and costs while avoiding complications associated with conventional methods.

Area of Science:

  • Interventional Cardiology
  • Cardiovascular Medicine

Background:

  • Conventional coronary stenting involves pre-dilatation, which can lead to complications.
  • Antiplatelet agents and high-pressure inflation improve stent expansion and reduce thrombosis.
  • The "stent alone technique" offers a potentially simpler and safer alternative.

Purpose of the Study:

  • To evaluate the safety and efficacy of elective coronary stenting without pre-dilatation.
  • To assess procedural outcomes and complications in patients with stable angina.

Main Methods:

  • Eighty patients with stable angina underwent elective coronary stenting without pre-dilatation.
  • Stent types included hand-crimped and pre-mounted.
  • Target vessels were left anterior descending, right coronary, and left circumflex arteries.

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Main Results:

  • Successful stenting was achieved in 88% of lesions.
  • Pre-dilatation was required in 12% of cases due to proximal tortuosity and calcification.
  • Fluoroscopy time averaged 10.2 minutes, with 1.08 balloons per lesion.
  • One instance of stent embolization and no major adverse cardiac events were reported.

Conclusions:

  • Stenting without pre-dilatation is a safe and effective strategy for selected patients with stable angina.
  • This technique reduces procedural complexity, cost, and ischemic time.
  • Ideal candidates have stable angina without significant vessel tortuosity or calcification.