Published in

Lippincott, Williams & Wilkins, Anesthesiology, 3(112), p. 557-566, 2010

DOI: 10.1097/aln.0b013e3181ce9d67

Elsevier, Journal of Vascular Surgery, 5(52), p. 1421, 2010

DOI: 10.1016/j.jvs.2010.09.045

Elsevier, Year Book of Vascular Surgery, (2011), p. 78-79

DOI: 10.1016/j.yvas.2011.05.002

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Relation between Preoperative and Intraoperative New Wall Motion Abnormalities in Vascular Surgery Patients

This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Background Coronary revascularization of the suspected culprit coronary lesion assessed by preoperative stress testing is not associated with improved outcome in vascular surgery patients. Methods Fifty-four major vascular surgery patients underwent preoperative dobutamine echocardiography and intraoperative transesophageal echocardiography. The locations of left ventricular rest wall motion abnormalities and new wall motion abnormalities (NWMAs) were scored using a seven-wall model. During 30-day follow-up, postoperative cardiac troponin release, myocardial infarction, and cardiac death were noted. Results Rest wall motion abnormalities were noted by dobutamine echocardiography in 17 patients (31%), and transesophageal echocardiography was noted in 16 (30%). NWMAs were induced during dobutamine echocardiography in 17 patients (31%), whereas NWMAs were observed by transesophageal echocardiography in 23 (43%), kappa value = 0.65. Although preoperative and intraoperative rest wall motion abnormalities showed an excellent agreement for the location (kappa value = 0.92), the agreement for preoperative and intraoperative NWMAs in different locations was poor (kappa value = 0.26-0.44). The composite cardiac endpoint occurred in 14 patients (26%). Conclusions There was a poor correlation between the locations of preoperatively assessed stress-induced NWMAs by dobutamine echocardiography and those observed intraoperatively using transesophageal echocardiography. However, the composite endpoint of outcome was met more frequently in relation with intraoperative NWMAs.