HOWARD BYRON DICKLER, M.D.
This content is PDF only. Please click on the PDF icon to access.
To the editor: In the January 1970 issue (Ann Intern Med 72:1-8, 1970) Hylen and associates report on the problem of diagnosis of aortic ball variance. The difficulty in diagnosis is demonstrated by their statistics: 39 to 40 patients suspected of ball variance came to operation. Thirty had this finding, but nine did not. Thus, 22.5% were incorrectly diagnosed. Further, at least four patients underwent reoperation who "did not have diagnostic criteria [of ball variance] as outlined in Table 2."
This seems a high rate of misdiagnosis, especially when the operative mortality (in their series) was 13%. It would be
DICKLER HB. Aortic Ball Variance. Ann Intern Med. ;72:756. doi: 10.7326/0003-4819-72-5-756_1
Download citation file:
Published: Ann Intern Med. 1970;72(5):756.
Copyright © 2018 American College of Physicians. All Rights Reserved.
Print ISSN: 0003-4819 | Online ISSN: 1539-3704
Conditions of Use