JOHN A. SPITTELL JR, M.D.; JOHN L. JUERGENS, M.D.; JOHN F. FAIRBAIRN II, M.D.
To the editor: In their response to Raffin's (1) review of indications for arterial blood gas analysis, Williams and Schenken (2) take exception to Dr. Raffin's statement "An Allen test should be done to assess adequacy of collateral circulation." Further, Williams and Schenken state "that mandatory use of the Allen test before radial artery puncture is not of practical benefit and that the test should, at most, be considered optional."
We believe the performance of the Allen test before radial artery puncture is of practical value for the reasons stated in Allen's (3) article: "The compression test on the ulnar
SPITTELL JA, JUERGENS JL, FAIRBAIRN JF. Radial Artery Puncture and the Allen Test. Ann Intern Med. ;106:771–772. doi: 10.7326/0003-4819-106-5-771_2
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Published: Ann Intern Med. 1987;106(5):771-772.
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