CJC open · 2023
Experiences of Patients With Atrial Fibrillation With Combination Antithrombotic Therapy Post-Percutaneous Coronary Intervention.
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Poirier Caylie M, Carter Aleesa A, Kwan Yvonne, Koo Jessica, Westlund Jill M, Alkass Fadi, Leblanc Kori
Аннотация
BACKGROUND: Up to 30% of patients with atrial fibrillation (AF) have coronary artery disease, and many undergo percutaneous coronary intervention (PCI). In the setting of acute coronary syndrome with PCI, or high-risk elective PCI, Canadian AF guidelines recommend 1-30 days of acetylsalicylic acid, 1-12 months of clopidogrel, and oral anticoagulation (OAC) with doses that may change throughout the 12 months post-PCI. The complexity of these regimens may contribute to unplanned modifications (UPMs), increasing the risk of thrombosis and/or bleeding. We describe what happens to these patients and their antithrombotic therapy (ATT) after discharge.
METHODS: Prospective follow-up was conducted of patients with AF requiring OAC who underwent PCI and were discharged on combination ATT. Patients were contacted at 1, 3, 6, and 12 months post-PCI.
RESULTS: Sixty-five patients were enrolled, with data at any time point available for 61 of them (94%). Of these, 44 (68%) experienced at least one UPM to ATT. In total, 105 UPMs occurred. The most common UPM was an extended duration of P2Y12 inhibitor (23 instances; 22%). The most common UPM with acetylsalicylic acid was extended (11 instances; 11%) or shortened (11 instances; 11%) duration. Thirty-nine UPMs (37%) were related to OACs; 9 (23%) were related to warfarin, and 30 (77%) were related to direct OACs. Of all patients with at least one UPM, 33 (75%) experienced bleeding.
CONCLUSIONS: More than 2 in 3 patients with AF undergoing PCI experienced a UPM to their ATT. This study underscores the challenges of combination ATT for patients and clinicians alike, emphasizing the need for patient support after discharge.
METHODS: Prospective follow-up was conducted of patients with AF requiring OAC who underwent PCI and were discharged on combination ATT. Patients were contacted at 1, 3, 6, and 12 months post-PCI.
RESULTS: Sixty-five patients were enrolled, with data at any time point available for 61 of them (94%). Of these, 44 (68%) experienced at least one UPM to ATT. In total, 105 UPMs occurred. The most common UPM was an extended duration of P2Y12 inhibitor (23 instances; 22%). The most common UPM with acetylsalicylic acid was extended (11 instances; 11%) or shortened (11 instances; 11%) duration. Thirty-nine UPMs (37%) were related to OACs; 9 (23%) were related to warfarin, and 30 (77%) were related to direct OACs. Of all patients with at least one UPM, 33 (75%) experienced bleeding.
CONCLUSIONS: More than 2 in 3 patients with AF undergoing PCI experienced a UPM to their ATT. This study underscores the challenges of combination ATT for patients and clinicians alike, emphasizing the need for patient support after discharge.