Abstract

要旨:【目的】急性期脳梗塞,一過性脳虚血発作における左心耳の3 次元評価項目と心房細動(AF)の関連を明らかにする.【方法】リアルタイム3 次元経食道心臓超音波検査を行った127 例(年齢74±11歳,男性88 例)を持続性AF 33 例,発作性AF 22 例,AF なし72 例の3 群に分け検討した.【結果】持続性AF,発作性AF,AF なし各群で入口部面積(5.73±1.95 cm2,4.45±2.42 cm2,3.23±1.47 cm2,p<0.001),深さ(3.42±0.71 cm,2.95±0.89 cm,2.61±0.70 cm,p<0.001),体積(11.37±6.33 cm3,7.59±5.03 cm3,4.90±2.92 cm3,p<0.001)いずれも有意差を認めた.多変量解析でも入口部面積,体積はAF と有意に関連していた.【結論】急性期虚血性脳血管障害で左心耳の拡大は持続性ないし発作性AF の存在と関連していた.

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