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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Dong Hwan (Department of Neurosurgery, Seoul National University College of Medicine) Park, Sung Bae (Department of Neurosurgery, Seoul National University Boramae Hospital) Lee, Sang Hyung (Department of Neurosurgery, Seoul National University Boramae Hospital) Son, Young-Je (Department of Neurosurgery, Seoul National University Boramae Hospital) Chung, Gih Sung (Interdisciplinary Program of Bioengineering, Seoul National University) Yang, Hee-Jin (Department of Neurosurgery, Seoul National University Boramae Hospital)
저널정보
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제54권 제3호
발행연도
2013.1
수록면
232 - 235 (4page)

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Objective : Major complaints of carpal tunnel syndrome (CTS) are sensory components. However, motor deficit also impedes functional status of hand. Contrary to evaluation of sensory function, the objective, quantitative evaluation of median nerve motor function is not easy. The motor function of median was evaluated quantitatively using load cell and its correlation with findings of electrodiagnostic study (EDS) was evaluated. Methods : Objective motor function of median nerve was evaluated by load cell and personal computer-based measurement system. All of the measurement was done in patients diagnosed as having idiopathic CTS by clinical features and EDS findings. The strength of thumb abduction and index finger flexion was measured in each hand three times, and the average value was used to calculate thumb index ratio (TIR). The correlation of TIR with clinical, EDS, and ultrasonographic findings were evaluated. Results : The TIR was evaluated in 67 patients (119 hands). There were 14 males and 53 females, mean age were 57.6 years (range 28 to 81). The higher preoperative nerve conductive studies grade of the patients, the lower TIR was observed [p<0.001, analysis of variance (ANOVA)]. TIR of cases with thenar atrophy were significantly lower than those without (p<0.001, t-test). TIR were significantly lower in patients with severe median nerve swelling in ultrasonography (p=0.042, ANOVA). Conclusion : Measurements of median nerve motor function using load cell is a valuable evaluation tool in CTS. It might be helpful in detecting subclinical motor dysfunction before muscle atrophy develops.

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