Key result
Surgical LAA ligation and maze procedure may provide incomplete protection against embolic stroke.
Case Report (n=1)
No
Surgical ligation of the left atrial appendage and maze procedure may provide incomplete protection against thromboembolic complications, highlighting the potential need for continued anticoagulation in high-risk patients.
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Raises caution for embolic risk despite LAA ligation; leaves open need for ongoing anticoagulation post-maze in high-risk patients.
This case illustrates the incomplete protection of surgical ligation of left atrial appendage and maze procedure at the time of mitral valve replacement against thromboembolic complications and recurrence of atrial fibrillation. The utility of surgical left atrial appendage ligation as stroke prophylaxis and identification of selected high-risk subjects are reviewed. (Level of Difficulty: Intermediate.)
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Ahmed et al. (2021) conducted a case report in Embolic stroke and atrial thrombus with prior surgical appendage ligation and maze procedure (n=1). Surgical left atrial appendage ligation and maze procedure was evaluated. An 84-year-old man developed an atrial thrombus and embolic stroke despite prior surgical left atrial appendage ligation and maze procedure, illustrating the potential for incomplete protection.
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