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Otolaryngol Head Neck Surg ; 123(5): 553-7, 2000 Nov.
Article in English | MEDLINE | ID: mdl-11077339

ABSTRACT

OBJECTIVE: The conventional subjective Allen's test (SAT) can be problematic because of its subjective nature. The objective Allen's test (OAT) was used before surgery to reliably and objectively assess forearm vascular flow in anticipation of harvesting a radial forearm free flap (RFFF) for use in head and neck reconstruction. STUDY DESIGN AND SETTING: Retrospective analysis of 65 patients undergoing both preoperative SAT and OAT was completed at the University of Kansas Medical Center between December 1994 and March 1998. RESULTS: The sensitivity and specificity of the SAT compared with the sensitivity and specificity of the OAT were only 65% and 76%, respectively. In 40 patients with at least 1 forearm with a positive SAT, only 1 (2.5%) patient was found by OAT to have vasculature that would not have allowed safe RFFF harvest in either forearm. In contrast, of the 25 patients with equivocal or negative SAT results in both arms, 18 (72%) were found by OAT to be safe candidates for RFFF harvests. CONCLUSIONS: The OAT is an objective measure of forearm vascular flow and is superior to conventional SAT in RFFF donor-site selection.


Subject(s)
Forearm/blood supply , Surgical Flaps/blood supply , Adult , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Plethysmography , Regional Blood Flow , Sensitivity and Specificity
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