URI SELIGSOHN, M.D.
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To the editor: Suchman and Griner (1) recommend that the activated partial thromboplastin time (APTT) not be determined before surgery because an adequate clinical assessment of a possible bleeding tendency is sufficient. Later in their article they do recommend using this test in patients who present with a bleeding tendency, such as those who have previously bled excessively during surgery, a situation which, in my experience, is not uncommonly the first manifestation of a mild or moderate bleeding disorder. Although I am sure the authors do not want patients with a mild or moderate hereditary bleeding tendency to be first
SELIGSOHN U. The Activated Partial Thromboplastin Time and Factor Xl Deficiency. Ann Intern Med. ;105:805. doi: 10.7326/0003-4819-105-5-805_2
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Published: Ann Intern Med. 1986;105(5):805.
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