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Importance of Measuring Manual F-Wave Persistence - Original Article

Author(s): Sabyasachi Ghosh

Journal: Türkiye Fiziksel Tıp ve Rehabilitasyon Dergisi
ISSN 1302-0234

Volume: 56;
Issue: 4;
Start page: 186;
Date: 2010;
Original page

Keywords: Electrophysiological processes | nerve conduction study | F-wave | F-wave persistencet

Objective: Many of the F-waves were not marked correctly by automatic computerized processes while doing nerve conduction study. This study was done to investigate if there is any importance to measure the F-wave persistence values manually while doing nerve conduction studies.Materials and Methods: A total of 60 patients (18 men) aged 19-65 (average 37±11.5) years were included and 78 nerve conduction studies were performed for analysis of ulnar nerve F-wave parameters; the subjects had normal results of the motor and sensory ulnar nerve conduction studies. F-wave persistence was recorded automatically by a computer (automated persistence). We observed that the software did not mark few F-waves correctly, therefore, we counted them manually (manual persistence).Results: Ulnar nerve F-wave persistence, measured manually and automatedly, showed significant difference when analyzed by Wilcoxon signed-rank test (Z=3.24, p
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