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İŞAK, BARIŞ

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İŞAK

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BARIŞ

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2012 - 20152
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Author: TANRIDAĞ, TÜLİN × Subject: Carpal tunnel syndrome ×

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    Does the Provocation Maneuvers Increase the Sensitivity of Sensory Nerve Conduction Studies in Diagnosis of Carpal Tunnel Syndrome?
    (GALENOS YAYINCILIK, 2012-12-15) İŞAK, BARIŞ; Aktas, Ilknur; Sunter, Gulin; Uluc, Kayihan; Isak, Baris; Tanridag, Tulin; Akyuz, Gulseren; Us, Onder
    Objective: The aim of this study was to determine the sensitivity of sensory nerve conduction study (NCS) parameters in the diagnosis of carpal tunnel syndrome (CTS) and to explore if the use of provocative maneuvers improves their sensitivity Materials and Methods: In this prospective study, we included 85 consecutive cases (135 hands) that had signs and symptoms of CTS, and 100 control hands. Sensory NCS was performed in the neutral position and then the wrist was placed in flexion and 90 degrees of extension for 1 min. Onset and peak latencies and velocities, negative peak duration and area, and peak amplitude were measured. Results: The most sensitive parameters were onset latency (77%), and onset (72%) and peak velocities (72%) in neutral position. The flexion maneuver did not increase their sensitivity, however, negative peak area (10%) and amplitude (24%) sensitivities were higher in extended position than in neutral position. Conclusion: The most sensitive NCS parameters were onset latency, and onset and peak velocities in neutral position. The extension maneuver was more sensitive than neutral position. Turk J Phys Med Rehab 2012;58:307-71.
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    Palmar cutaneous nerve conduction in patients with carpal tunnel syndrome
    (TAYLOR & FRANCIS LTD, 2015) İŞAK, BARIŞ; Uluc, Kayihan; Aktas, Ilknur; Sunter, Gulin; Koytak, Pinar Kahraman; Akyuz, Gulseren; Isak, Baris; Tanridag, Tulin; Us, Onder
    Objective: This study aimed to assess palmar cutaneous branch of the median nerve (PCBm) conduction in patients with clinically diagnosed carpal tunnel syndrome (CTS), to compare PCBm conduction with that of the median and ulnar nerves, and to determine the PCBm conduction abnormality rate in patients with CTS. Materials and Methods: The study included 99 hands of 60 patients with clinical CTS and 38 hands of 38 healthy controls. Sensory nerve conduction study (NCS) was performed on the median nerve, ulnar nerve, and PCBm, and onset latency, conduction velocity and amplitude were recorded. Additionally, differences in latency and velocity between the median nerve and PCBm, and the difference in latency between the median and ulnar nerves were calculated. Results: In all, 56% of the patients with CTS had abnormal PCBm conduction. Additionally, in 7 of 8 hands with abnormal sensation -both in the thenar eminence and abnormal sensory distribution along the main branch -NCS of the PCBm was also abnormal. Conclusions: The PCBm is not ideal as a comparator nerve for the neurophysiological diagnosis of CTS. The frequency of PCBm abnormality in CTS patients may be related to the concomitant damage in both of these nerves. Additionally, the present findings may help explain, at least in part, why patients with CTS often exhibit sensory involvement beyond the classical median nerve sensory borders.