Amyloid : the international journal of experimental and clinical investigation : the official journal of the International Society of Amyloidosis · 2020
Anticoagulation with warfarin compared to novel oral anticoagulants for atrial fibrillation in adults with transthyretin cardiac amyloidosis: comparison of thromboembolic events and major bleeding.
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Mitrani Lindsey R, De Los Santos Jeffeny, Driggin Elissa, Kogan Rebecca, Helmke Stephen, Goldsmith Jeff, Biviano Angelo B, Maurer Mathew S
Аннотация
BACKGROUND: Atrial fibrillation (AF) is common in patients with transthyretin cardiac amyloidosis (ATTR-CA). The optimal strategy to prevent strokes in patients with ATTR-CA and AF is unknown.
OBJECTIVES: To compare outcomes in patients with ATTR-CA and AF treated with warfarin versus novel oral anticoagulants (NOACs).
METHODS: This study was a retrospective analysis of patients with ATTR-CA stratified by presence or absence of AF and anticoagulation therapy. The primary outcome included a time to event analysis for the combined outcomes of stroke, transient ischaemic attack (TIA), major bleed, or death.
RESULTS: Of 290 patients, 217 patients (74.8%) had AF. Of those with AF (n = 217), 78 (35.9%) patients received warfarin compared with 116 (53.5%) patients who received NOACs. There were 17 thrombotic events, all in those diagnosed with AF compared with none in the patients without AF (p = .01). Over a mean follow-up of 2.4 years (range 0.1-12) there was no difference in primary outcome between those with AF treated with warfarin compared with NOACs (p = .35).
CONCLUSION: Patient with ATTR-CA and AF are at increased risk for stroke compared to patients with ATTR-CA and without AF. Thrombotic events and major bleeds did not differ between those who received warfarin and NOACs.
OBJECTIVES: To compare outcomes in patients with ATTR-CA and AF treated with warfarin versus novel oral anticoagulants (NOACs).
METHODS: This study was a retrospective analysis of patients with ATTR-CA stratified by presence or absence of AF and anticoagulation therapy. The primary outcome included a time to event analysis for the combined outcomes of stroke, transient ischaemic attack (TIA), major bleed, or death.
RESULTS: Of 290 patients, 217 patients (74.8%) had AF. Of those with AF (n = 217), 78 (35.9%) patients received warfarin compared with 116 (53.5%) patients who received NOACs. There were 17 thrombotic events, all in those diagnosed with AF compared with none in the patients without AF (p = .01). Over a mean follow-up of 2.4 years (range 0.1-12) there was no difference in primary outcome between those with AF treated with warfarin compared with NOACs (p = .35).
CONCLUSION: Patient with ATTR-CA and AF are at increased risk for stroke compared to patients with ATTR-CA and without AF. Thrombotic events and major bleeds did not differ between those who received warfarin and NOACs.