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目的：探讨胸主动脉疾病的术中应用经食管超声心动图（ＴＥＥ）的价值及适应证。方法：本文报道８例（１５～６３岁，平均年龄４４．５岁）不同类型胸主动脉疾病术中ＴＥＥ监测结果。病例包括先天性主动脉瓣上狭窄、升主动脉瘤、主动脉夹层及主动脉夹层伴假性动脉瘤、胸降主动脉假性动脉瘤、主动脉瓣脱垂等。结果：８例患者的术中检查与术前诊断全部吻合。术中ＴＥＥ发现１例主动脉夹层累及左锁骨下动脉，而术前磁共振成像未能提示。此外，术中ＴＥＥ还显示２例胸降主动脉内的粥样硬化斑块。结论：初步显示术中ＴＥＥ可即刻评价手术效果，对拟行主动脉瓣成形术的患者最有价值；为避免升主动脉粥样斑块的脱落导致术后体循环尤其是脑栓塞，对于高龄患者也积极提倡术中ＴＥＥ监测。
Objective: To investigate the value and indications of intraoperative transesophageal echocardiography (TEE) for thoracic aortic disease. Methods: This article reports 8 cases (15 to 63 years old, mean age 44.5 years) different types of thoracic aortic disease surgery TEE monitoring results. Cases include congenital aortic stenosis, ascending aortic aneurysm, aortic dissection and aortic dissection with false aneurysm, thoracic aortic pseudoaneurysm, aortic valve prolapse and so on. Results: All the 8 patients’ intraoperative examination were consistent with the preoperative diagnosis. Intraoperative TEE found a case of aortic dissection involving the left subclavian artery, and preoperative MRI failed to prompt. In addition, intraoperative TEE also showed 2 cases of atherosclerotic plaque within the descending aorta. CONCLUSION: TEE can be used to evaluate the effect of surgery immediately. It is most valuable for patients undergoing aortic valvuloplasty. To prevent the ascending aortic atherosclerotic plaque from falling off leading to postoperative systemic circulation, especially cerebral embolism, Also actively promote intraoperative TEE monitoring.