Normative Values for Nerve Conduction Study among healthy subjects from Aurangabad, INDIA
Journal Title: INTERNATIONAL JOURNAL OF RECENT TRENDS IN SCIENCE AND TECHNOLOGY - Year 2014, Vol 8, Issue 1
Abstract
Aim: The aim of our study is to establish the normal electrophysiological values of the common nerves in upper and lower limb and to study the influence of age and height on conduction velocity in healthy adult subjects. Material and Method: The study was conducted in MGM Medical College, a tertiary care center in city of Aurangabad, India. A total of 90 healthy volunteers, 45 males and 45 females aged 20 years and above were selected after clinical evaluation to exclude systemic or neuromuscular disorders. Anthropometric measurements were done using a standard protocol. Nerve Conduction Study was carried out according to a standardized protocol. Motor NCS included the Median, Peroneal and Tibial nerves. Sensory NCS included the Ulnar, Median, and Sural nerves. Results: The NCS data was separately analyzed for males and females. The mean along with standard deviation (SD) for latencies, amplitude and velocities of Sural sensory, Ulnar sensory and Median sensory nerves for males and females is obtained. Similarly the means with SD of the latencies, amplitudes and velocities of the Ulnar motor, Median motor, Peroneal motor and Tibial motor nerves were obtained. Also the NCS parameters at various percentiles were obtained. Linear regression models show the inverse association of Age and Height with NCS parameter in males and females. The model also gave the coefficient by which the NCS parameters change for unit change in Age (Year) or Height (Cm). Conclusion: The study will be helpful in establishing normative values of nerve conduction parameters of the commonly tested nerves in the upper and lower limb for our region. The mean nerve conduction parameters for all the nerves were similar with the existing data from different Indian studies. In general Age and Height had inverse relation with NCS parameters.
Authors and Affiliations
Shaikh Shahabuddin , DaimiSayad Badar , Khan Md Moizuddin , L. B. Sami , Solepure A. B.
Keywords
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