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Ann Thorac Surg 2009;87:672-673. doi:10.1016/j.athoracsur.2008.05.021
© 2009 The Society of Thoracic Surgeons
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Correspondence

Postoperative Ischemia and Cognitive Impairment in Cardiac Surgery Patients

Peter Alan Barber, PhD, FRACPa, Lynette J. Tippett, PhDb, Alan Merry, FANZCAb, Sylvia Hach, MSb, Christopher Frampton, PhDc, Paget Milsom, FRACSd

a Department of Neurology, Auckland City Hospital, Park Rd, Grafton, Auckland, 1001 New Zealand
b Departments of Psychology and Anesthesiology, University of Auckland, Private Bag 92019, Auckland, New Zealand
c Department of Medicine, University of Otago, PO Box 4345, Christchurch, 8001 New Zealand
d Department of Cardiothoracic Surgery, Auckland City Hospital, Park Rd, Grafton, Auckland, 1001 New Zealand

(Email: abarber@adhb.govt.nz).

The first 20% of the full text of this article appears below.

To the Editor:

We read with interest the article by Knipp and colleagues [1] that addresses several important questions. Among other findings, this group reports that after coronary artery bypass grafting there was no relationship between the presence of ischemic lesions on magnetic resonance diffusion-weighted imaging (DWI) and either short-term or long-term cognitive outcome. This contrasts with findings in our very recent work in which cognitive impairment at 6 weeks post-surgery was found in all patients who received at least one valve to the left heart and who had ischemic change on postoperative DWI [2].

We find it difficult to . . . [Full Text of this Article]


Related Article

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Stephan C. Knipp, Heinz Jakob, Christian Lösch, Nadine Matatko, Hans Wilhelm, Hans C. Diener, and Marc Schlamann
Ann. Thorac. Surg. 2009 87: 673-674. [Extract] [Full Text] [PDF]



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S. C. Knipp, H. Jakob, C. Losch, N. Matatko, H. Wilhelm, H. C. Diener, and M. Schlamann
Reply.
Ann. Thorac. Surg., February 1, 2009; 87(2): 673 - 674.
[Full Text] [PDF]


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