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Therapeutic strategies after coronary stenting in chronically anticoagulated patients: the MUSICA study

A Sambola1, I Ferreira-González, J Angel

  • 1Area del Cor Hospital, Universitari Vall d'Hebron, Barcelona, Spain.

Heart (British Cardiac Society)
|May 20, 2009
PubMed

Insights

Triple therapy (TT) was common after percutaneous coronary intervention with stenting (PCI-S) in patients on oral anticoagulant therapy (OAT). Double antiplatelet therapy (DAT) showed fewer bleeding events and similar efficacy in low-risk patients, suggesting TT use should be limited.

Area of Science:

  • Cardiology
  • Pharmacology
  • Interventional Cardiology

Background:

  • Patients on oral anticoagulant therapy (OAT) undergoing percutaneous coronary intervention with stenting (PCI-S) require careful management of antithrombotic regimens.
  • Discharge therapeutic strategies vary, impacting patient outcomes.

Purpose of the Study:

  • To identify discharge therapeutic regimens for OAT patients post-PCI-S.
  • To evaluate the safety and efficacy of these regimens based on thromboembolic risk.

Main Methods:

  • Prospective, multicentre registry of 405 OAT patients undergoing PCI-S.
  • Follow-up included in-hospital, post-discharge, and telephone calls up to 6 months.
  • Analysis of three discharge regimens: triple therapy (TT), anticoagulant plus single antiplatelet (AC+AT), and double antiplatelet therapy (DAT) only.

Main Results:

  • Triple therapy (TT) was the most frequent regimen (68.6%).
  • Patients on TT had the highest rate of bleeding events at 6 months.
  • Double antiplatelet therapy (DAT) was associated with zero bleeding and cardiovascular events in low thromboembolic risk patients.

Conclusions:

  • Triple therapy (TT) is common but associated with increased bleeding post-PCI-S in OAT patients.
  • Double antiplatelet therapy (DAT) demonstrates safety and comparable efficacy to TT in low-risk individuals.
  • Restrictive use of TT to moderate-high thromboembolic risk patients is recommended.
Abstract

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