Correspondence  |   December 2016
In Reply
Author Notes
  • University of Ulsan College of Medicine, Seoul, Korea (I.-C.C.). icchoi@amc.seoul.kr
  • (Accepted for publication August 18, 2016.)
    (Accepted for publication August 18, 2016.)×
Article Information
Correspondence
Correspondence   |   December 2016
In Reply
Anesthesiology 12 2016, Vol.125, 1252-1253. doi:10.1097/ALN.0000000000001348
Anesthesiology 12 2016, Vol.125, 1252-1253. doi:10.1097/ALN.0000000000001348
We thank Drs. Zhang and Xue for their interest in our article1  and appreciate the opportunity to answer their questions. First, we agree that preoperative coronary angiography with contrast media may be related to the development of postoperative acute kidney injury (AKI).2  However, as shown in table 1 in our article,1  there was no significant difference in the number of patients who underwent coronary angiography less than or equal to 7 days before surgery between the two groups. Additionally, our previous study showed that the timing of the coronary angiography, the type of contrast agent, or the amount of contrast agent did not affect the development of postoperative AKI in patients who underwent off-pump coronary artery bypass surgery.3  Thus, this is not likely to have had an impact on our results.
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