Hee-kyu Kwon

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OBJECTIVE The double crush hypothesis (DC) proposes that a proximal lesion along an axon predisposes it to injury at a more distal site along its course through impaired axoplasmic flow. The frequency and severity of carpal tunnel syndrome (CTS) according to the level of cervical radiculopathy were investigated to evaluate the hypothesis of DC. METHODS(More)
OBJECTIVE To investigate the types of sural nerve formation through cadaver study, and to evaluate the relationship between anatomical variation and nerve conduction study (NCS). DESIGN We examined the formation of the sural nerve in 26 legs from cadavers. Sural NCS was performed in 60 legs of healthy adults to evaluate the influence of anatomical(More)
OBJECTIVES To analyze and compare the safety of the anterior and posterior approaches for needle electrode placement and to examine the method for inserting the needle electrode using the anterior approach. DESIGN Cross-sectional study. SETTING University hospital. PARTICIPANTS Lower-extremity radiographs and magnetic resonance images of 22 patients(More)
OBJECTIVE To determine normal values for the amplitude ratio of sensory nerve action potential (SNAP) from an ulnar sensory segmental nerve conduction study, and to the evaluate usefulness in the diagnosis of mild-degree ulnar neuropathy at the elbow (UNE). DESIGN Segmental sensory conduction study of the ulnar nerve was performed in 71 healthy subjects.(More)
OBJECTIVE The aim of this study was to determine the criteria for ultrasonographic measurement of the cross-sectional area (CSA) of the median nerve and differential diagnosis of patients with carpal tunnel syndrome (CTS) with or without diabetic polyneuropathy (DPN). DESIGN One hundred eighty-seven patients were divided into five groups: healthy(More)
PURPOSE This study is to determine the diagnostic utility of optimal recording electrode placement for distal latency comparison of median-second lumbrical and ulnar-interossei/third lumbrical (M2L-UI3L) in carpal tunnel syndrome. METHODS Sixty-five hands of control and 75 hands of 62 clinically suspected carpal tunnel syndromes were used for the M2L-UI3L(More)
This study was designed to identify the causes of the development of carpal tunnel syndrome (CTS) associated with end stage kidney disease (ESKD). A total of 112 patients with ESKD, 64 on hemodialysis (HD) and 48 on peritoneal dialysis (PD), were enrolled. The duration of ESKD and dialysis, the site of the arteriovenous (A-V) fistula for HD, laboratory data(More)
This study was designed to investigate the incidence of lateral root of the ulnar nerve through cadaveric dissection and to analyze its impact on myotomes corresponding to the flexor carpi ulnaris (FCU) assessed by electrodiagnostic study. Dissection of the brachial plexus (BP) was performed in 38 arms from 19 cadavers, and the connecting branches between(More)
OBJECTIVES The purpose of this study was to use digital videofluoroscopy to identify motion patterns of the lumbar spine during coronal movement in asymptomatic (normal) subjects and patients with herniated nucleus pulposus (HNP). METHODS Videofluoroscopic lumbar coronal motion was recorded in 18 asymptomatic volunteers and 9 patients with HNP.(More)
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