Seven types with 6 subtypes of the left atrial appendage (LAA) based on LAA tip orientation and anatomical shape.
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posted on 2015-07-31, 04:41 authored by Cai-Ying Li, Bu-Lang Gao, Xiao-Wei Liu, Qiong-Ying Fan, Xue-Jing Zhang, Guo-Chao Liu, Hai-Qing Yang, Ping-Yong Feng, Yong Wang, Peng SongType1a: horseshoe, Type1b: cockscomb, Type2a: hand finger, Type2b: fan, Type2c: wing, Type2d: mountain like the Chinese character “山”, Type3: hook, Type4: wedge, Type5: swan, Type6: fork, Type7: ring. T, type; LSPV, left superior pulmonary vein; LIPV, left inferior pulmonary vein; MPA, main pulmonary artery. Type 5 was more significantly (P<0.05) frequently present in women (8.0%) than in men (4.2%).
