A Rare Case of Non-obstructive Membrane of the Body of Left Atrial Appendage Incidentally Found in Asymptomatic Adult Woman

Abstract

The membranes of the left atrial appendage cavity are very rare entity and their clinical significance is not clear. We reported a rare case of a non-obstructive membrane traversing the body of the left atrial appendage incidentally found in asymptomatic adult woman.

Successful Percutaneous Left Atrial Appendage Closure in the Presence of a Nonobstructive Appendage Membrane

“…Membranes of the LAA are a rare finding, with only 12 reported cases, the first of which was described in 1999. 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 Their clinical significance is unknown, and they are almost universally an incidental finding on TEE. Of the 12 previously reported cases of LAA membranes, five were obstructive with evidence of flow acceleration and seven were nonobstructive.…”