• Hidekazu Imai, Nobuko Ohashi, Takayuki Yoshida, Takeshi Okamoto, Nobutaka Kitamura, Takahiro Tanaka, and Hiroshi Baba.
• From the Divisions of *Anesthesiology and †Thoracic and Cardiovascular Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan; and ‡Department of Quality Control, Niigata University Medical and Dental Hospital Clinical and Translational Research Center, Niigata, Japan.
• Anesth. Analg. 2017 Aug 1; 125 (2): 417-420.

AbstractPersistent endoleaks may lead to adverse events after endovascular aortic repair. We prospectively examined the relationship between intraoperative residual spontaneous echocardiographic contrast (SEC) within the aneurysmal sac and the incidence of postoperative endoleaks in 60 patients undergoing thoracic endovascular aortic repair. Patients with SEC had a higher incidence of postoperative endoleaks than did patients without SEC within a few days postoperatively (60.0% vs 12.5%, respectively; P < .001) and at 6 months postoperatively (40.0% vs 2.5%, respectively; P < .001). Intraoperative confirmation of the absence of SEC may identify patients at low risk for persistent endoleaks after thoracic endovascular aortic repair.

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