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Pol Merkur Lekarski. 2015 Nov;39(233):316-20.

[Recurrent right atrial thrombus in a patient with atrial fibrillation and heart failure].

[Article in Polish]

Author information

1
Józef Struś Hospital, Poznań, Poland: Department of Internal Medicine.
2
University of Medical Sciences, 2nd Department of Cardiology, Poznań, Poland.
3
Józef Struś Hospital, Poznań, Poland: Department of Cardiac Surgery.
4
Józef Struś Hospital, Poznań, Poland: Department of Cardiology.
5
Józef Struś Hospital, Poznań, Poland: Pathomorphology Unit.

Abstract

Atrial fibrillation and heart failure are factors predisposing to locally formed intracardiac thrombosis, which is usually localized in left-sided chambers. A case report. The authors present a case of a 50-year-old male with permanent atrial fibrillation and dilated cardiomyopathy in whom recurrent right atrial thrombus was observed. Initially, the lesion was detected in echocardiography while he was hospitalized due to extensive right-sided pneumonia. The thrombus was successfully treated with heparin, followed by warfarin. Even though the patient continued warfarin use properly, there was recurrence of the thrombus two years later during a new episode of heart failure exacerbation. Because the thrombus was resistant to intensified anticoagulation, cardiac surgery was needed. A large (30 x 25 mm) pedunculated thrombus, as well as two smaller ones (each of 10 x 10 mm) attached closely to the atrial wall and previously not detected either by echocardiography or by magnetic resonance imaging, were excited. A partially organized pattern of the thrombi in histological examination can explain lack of anticoagulation effectiveness.

KEYWORDS:

atrial fibrillation; heart failure; recurrent thrombus; right atrium

PMID:
26637098
[Indexed for MEDLINE]

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