Key result
Left atrial thrombus develops over ligated LAA site one year after bioprosthetic MVR.
Why the study?
Left atrial thrombus formation overlying a ligated left atrial appendage in patients with prior mitral valve replacement and atrial flutter is a clinical concern.
Case Report (n=1)
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Thrombus over ligated LAA despite anticoagulation warrants vigilance in AF; leaves open ligation durability in bioprosthetic valve patients.
A 75-year-old woman who had a bioprosthetic mitral valve replacement and complete left atrial appendage (LAA) ligation a year ago was found to be in atrial flutter at routine clinical follow-up. She was started on warfarin and brought back for a transoesophageal echocardiogram (TOE)-guided cardioversion. On the TOE, a left atrial thrombus overlying the ligated LAA was discovered (figure 1). The patient was asymptomatic, and since she had …
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Lin et al. (2013) conducted a case report in Left atrial thrombus and atrial flutter (n=1). Left atrial appendage ligation was evaluated on Left atrial thrombus. A 75-year-old woman developed a left atrial thrombus overlying a ligated left atrial appendage one year after bioprosthetic mitral valve replacement and complete LAA ligation.
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