Why the study?
Does transesophageal echocardiography improve the detection of localized cardiac tamponade compared to transthoracic echocardiography in patients with postoperative hypotension after aortic dissection surgery?
Does transesophageal echocardiography improve the detection of localized cardiac tamponade compared to transthoracic echocardiography in patients with postoperative hypotension after aortic dissection surgery?
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Transesophageal echocardiography is useful for detecting localized cardiac tamponade that may be missed by transthoracic echocardiography after aortic surgery.
Stanford A型大動脈解離術後の患者において，経胸壁心エコー（transthoracic echocardiography：TTE）では診断できなかった心タンポナーデを経食道心エコー（transesophageal echocardiography：TEE）で診断できた症例を経験した．症例は40代の男性で上行および全弓部大動脈人工血管置換術が施行された．術後の低血圧に対してTTEを施行したが異常所見を指摘できなかった．そこでTEEを施行したところ，右房および右室の心タンポナーデが指摘され緊急血腫除去術が行われた．TEEを用いることで早期治療が可能であった．
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Horiuchi et al. (2022) studied this question.
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