Full Text Journal Articles by
Author Sun Jae Won

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Clinical Practice Guideline for Postoperative Rehabilitation in Older Patients With Hip Fractures.

Kyunghoon Min, Jaewon Beom, Bo Ryun Kim, Sang Yoon Lee, Goo Joo Lee, Jung Hwan Lee, Seung Yeol Lee, Sun Jae Won, Sangwoo Ahn, Heui Je Bang, Yonghan Cha, Min Cheol Chang, Jung-Yeon Choi, Jong Geol Do, Kyung Hee Do, Jae-Young Han, Il-Young Jang, Youri Jin, Dong Hwan Kim, Du Hwan Kim, In Jong Kim, Myung Chul Kim, Won Kim, Yun Jung Lee, In Seok Lee, In-Sik Lee, JungSoo Lee, Chang-Hyung Lee, Seong Hoon Lim, Donghwi Park, Jung Hyun Park, Myungsook Park, Yongsoon Park, Ju Seok Ryu, Young Jin Song, Seoyon Yang, Hee Seung Yang, Ji Sung Yoo, Jun-Il Yoo, Seung Don Yoo, Kyoung Hyo Choi, Jae-Young Lim,

<h4>Objective</h4>The incidence of hip fractures is increasing worldwide with the aging population, causing a challenge to healthcare systems due to the associated morbidities and high risk of mortality. After hip fractures in frail geriatric patients, existing comorbidities worsen and new complications are prone to occur. Comprehensive rehabilitation is essential for ... Read more >>

Ann Rehabil Med (Annals of rehabilitation medicine)
[2021, 45(3):225-259]

Cited: 1 time

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Effect of Fascia Penetration in Lateral Femoral Cutaneous Nerve Conduction.

Mi-Jeong Yoon, Hye Min Park, Sun Jae Won,

<h4>Objective</h4>To evaluate the effect of fascia penetration and develop a new technique for lateral femoral cutaneous nerve (LFCN) conduction studies based on the fascia penetration point (PP) identified using ultrasound.<h4>Methods</h4>The fascia PP of the LFCN was localized in 20 healthy subjects, and sensory nerve action potentials (SNAPs) were obtained at ... Read more >>

Ann Rehabil Med (Annals of rehabilitation medicine)
[2020, 44(6):459-467]

Cited: 0 times

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Neuromuscular Ultrasound for Myeloid Sarcoma Affecting the Sciatic Nerve: A Case Report.

Jaewon Kim, Hye Jung Park, Joshua Levin, Sun Jae Won,

Ultraschall Med (Ultraschall in der Medizin (Stuttgart, Germany : 1980))
[2021, 42(6):654-655]

Cited: 0 times

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Ultrasonographic measurement of the cross-sectional area of the axillary nerve.

Joon Shik Yoon, Jung Hyun Park, Joshua Levin, Eugene Y Roh, Hye Jung Park, Sun Jae Won,

INTRODUCTION:The objectives of this study were to determine normal reference values for ultrasonographic measurement of the cross-sectional area (CSA) of the axillary nerve and to standardize the measurement methods. METHODS:Sixty healthy volunteers were evaluated. Ultrasonography was performed with the shoulder positioned in 100°-120° abduction and 90° external rotation. The CSA ... Read more >>

Muscle Nerve (Muscle & nerve)
[2019, 60(1):95-99]

Cited: 1 time

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Investigation of the Diagnostic Value of Ultrasonography for Radial Neuropathy Located at the Spiral Groove.

Seojin Song, Yeonji Yoo, Sun Jae Won, Hye Jung Park, Won Ihl Rhee,

<h4>Objective</h4>To determine a diagnostic cut-off value for the cross-sectional area (CSA) of the radial nerve using ultrasonography for radial neuropathy located at the spiral groove (SG).<h4>Methods</h4>Seventeen patients with electrodiagnostic evidence of radial neuropathy at the SG and 30 healthy controls underwent ultrasonography of the radial nerve at the SG . ... Read more >>

Ann Rehabil Med (Annals of rehabilitation medicine)
[2018, 42(4):601-608]

Cited: 1 time

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Effect of Fascia Penetration on Sensory Nerve Conduction in the Superficial Radial Nerve.

Hye Jung Park, Joon Shik Yoon, Won Ihl Rhee, Jea Won Kim, Seung Nam Yang, Sun Jae Won,

The aim of this study was to identify the effects of fascia penetration on superficial radial sensory nerve action potential amplitude.The penetration point (PP) at which the nerve penetrated the brachioradialis fascia and became superficial was observed using ultrasonography. The sensory nerve action potential amplitude was measured at five points: ... Read more >>

J Clin Neurophysiol (Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society)
[2018, 35(3):263-266]

Cited: 1 time

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Diagnostic Cutoff Value for Ultrasonography of the Common Fibular Neuropathy at the Fibular Head.

Ji Yeon Kim, Seojin Song, Hye Jung Park, Won Ihl Rhee, Sun Jae Won,

<h4>Objective</h4>To establish the diagnostic cutoff value of ultrasonographic measurement for common fibular neuropathy (CFN) at the fibular head (FH).<h4>Methods</h4>Twenty patients with electrodiagnostically diagnosed CFN at the FH and 30 healthy controls were included in the study. The cross-sectional area (CSA) of sciatic nerve at mid-thigh level, common fibular nerve at ... Read more >>

Ann Rehabil Med (Annals of rehabilitation medicine)
[2016, 40(6):1057-1063]

Cited: 5 times

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Ultrasound-Guided Lower Cervical Nerve Root Injectate Volumes Associated With Dorsal Root Ganglion and Epidural Spread.

Sun Jae Won, Won Ihl Rhee, Joon Shik Yoon, U-Young Lee, Young Jin Ko,

<h4>Objectives</h4>We aimed to estimate the spread of injections for ultrasound-guided cervical nerve root blocks and to determine the optimal injectate volume required in this procedure.<h4>Methods</h4>A total of 32 ultrasound-guided injections (C5-C8) were made in 4 fresh cadavers. The target on each cervical root was the space between the posterior tubercle ... Read more >>

J Ultrasound Med (Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine)
[2016, 35(2):305-310]

Cited: 3 times

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Effect of Carpal Tunnel Syndrome on the Ulnar Nerve at the Wrist: Sonographic and Electrophysiologic Studies.

Seok Kang, Seung Nam Yang, Joon Shik Yoon, Hyo Jeong Kang, Sun Jae Won,

<h4>Objectives</h4>The aim of this study was to compare the ulnar nerve at the wrist by sonographic and electrophysiologic studies between patients with carpal tunnel syndrome and control participants and to verify the effect of carpal tunnel syndrome of the ulnar nerve at the wrist.<h4>Methods</h4>Forty-two hands of patients with carpal tunnel ... Read more >>

J Ultrasound Med (Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine)
[2016, 35(1):37-42]

Cited: 4 times

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Diagnostic cutoff value for ultrasonography in the ulnar neuropathy at the elbow.

Joo Hee Kim, Sun Jae Won, Won Ihl Rhee, Hye Jung Park, Hyeon Mi Hong,

<h4>Objective</h4>To determine the diagnostic cutoff values of ultrasonographic measurements in ulnar neuropathy at the elbow (UNE).<h4>Methods</h4>Twenty-five elbows of 23 patients (9 females, 16 males) diagnosed with UNE and 30 elbows of 30 healthy controls (15 females, 15 males) were included in our study. The ulnar nerve cross-sectional area (CSA) was ... Read more >>

Ann Rehabil Med (Annals of rehabilitation medicine)
[2015, 39(2):170-175]

Cited: 10 times

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Approach for needle insertion into the tibialis posterior: An ultrasonography study.

Sun Jae Won, Joon Shik Yoon,

<h4>Introduction</h4>To avoid neurovascular damage by needle electrode insertion into the tibialis posterior, we used ultrasonography to determine the proper insertion point based on anatomic landmarks.<h4>Methods</h4>Using ultrasonography, the safety window, the corrected safety window, and the depth of the tibialis posterior were measured at 4 points (the upper third and midpoint ... Read more >>

Muscle Nerve (Muscle & nerve)
[2016, 53(4):528-531]

Cited: 2 times

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Phase-Contrast Radiography Enables Detection of Early Changes in Articular Cartilage in a Mouse Model of Osteoarthritis.

Joon Shik Yoon, Sun Jae Won, Sei Joo Kim, Suk Joo Hong, Gui Sang Kim, Jae Min Kim,

<h4>Objective</h4>The aim of this study was to investigate the potential of using phase-contrast radiography to detect early changes in articular cartilage in a mouse model of osteoarthritis.<h4>Design</h4>An iodoacetate-induced mouse model of osteoarthritis was used. Mice with iodoacetate-induced osteoarthritis were euthanized at 1 and 2 wks after injection. Specimens were obtained ... Read more >>

Am J Phys Med Rehabil (American journal of physical medicine & rehabilitation)
[2015, 94(8):644-648]

Cited: 1 time

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Is median nerve enlargement at the wrist associated with tremor in Parkinson disease?

Seung Nam Yang, Hyo Jeong Kang, Joon Shik Yoon, Sun Jae Won, Woo-Keun Seo, Seong Beom Koh,

<h4>Objectives</h4>Tremor is one of the cardinal features of Parkinson disease (PD) and may cause cumulative trauma-related injury to nerves of the hands. The aim of this study was to assess the electrodiagnostic and sonographic features of patients with PD and to assess the effect of tremor in PD on the ... Read more >>

J Ultrasound Med (Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine)
[2014, 33(12):2079-2083]

Cited: 4 times

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Cross-sectional area reference values of nerves in the lower extremities using ultrasonography.

Hung Youl Seok, Jae Hong Jang, Sun Jae Won, Joon Shik Yoon, Kyung Seok Park, Byung-Jo Kim,

<h4>Introduction</h4>Cross-sectional area (CSA) reference values of lower extremity nerves using ultrasonography have only been reported in a few studies and have been limited to white populations.<h4>Methods</h4>For this study, 94 healthy Korean volunteers were recruited for measurement of the CSA at 7 sites of lower extremity nerves. The side-to-side difference in ... Read more >>

Muscle Nerve (Muscle & nerve)
[2014, 50(4):564-570]

Cited: 12 times

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Diagnosis with manometry and treatment with repetitive transcranial magnetic stimulation in Dysphagia.

Won Ihl Rhee, Sun Jae Won, Sae Byuk Ko,

Videofluoroscopic swallowing study (VFSS) used for the diagnosis of dysphagia has limitations in objectively assessing the contractility of the pharyngeal muscle or the degree of the upper esophageal sphincter relaxation. With a manometer, however, it is possible to objectively assess the pressure changes in the pharynx caused by pharyngeal muscle ... Read more >>

Ann Rehabil Med (Annals of rehabilitation medicine)
[2013, 37(6):907-912]

Cited: 3 times

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Reference values for nerve ultrasonography in the upper extremity.

Sun Jae Won, Byung-Jo Kim, Kyung Seok Park, Joon Shik Yoon, Hyuk Choi,

<h4>Introduction</h4>The aims of this study were to identify factors affecting the measurement of nerve cross-sectional area (CSA) and to establish normal reference values for nerve ultrasonography of the upper extremity.<h4>Methods</h4>Ninety-seven age-matched, healthy individuals were enrolled. Ultrasonographic tests were performed by tracing nerves from the axilla to the distal arm. CSA ... Read more >>

Muscle Nerve (Muscle & nerve)
[2013, 47(6):864-871]

Cited: 45 times

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Feasibility of Ultrasound Guided Atlanto-occipital Joint Injection.

Sun Jae Won, U-Young Lee, Sei Un Cho, Won Ihl Rhee,

<h4>Objective</h4>To evaluate the feasibility of ultrasound guided atlanto-occipital joint injection.<h4>Method</h4>Six atlanto-occipital joints of three cadavers were examined. Cadavers were placed in prone position with their head slightly rotated towards the contra-lateral side. The atlanto-occipital joint was initially identified with a longitudinal ultrasound scan at the midline between occipital protuberance and ... Read more >>

Ann Rehabil Med (Annals of rehabilitation medicine)
[2012, 36(5):627-632]

Cited: 2 times

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Measurement of cross-sectional area of cervical roots and brachial plexus trunks.

Sun Jae Won, Byung-Jo Kim, Kyung Seok Park, Se Hwa Kim, Joon Shik Yoon,

<h4>Introduction</h4>The aim of this study was to determine normal reference values for cross-sectional area (CSA) and the correlation between demographic factors and CSA in the cervical roots and brachial plexus trunks using ultrasonography.<h4>Methods</h4>Ninety-five age-matched healthy individuals were studied. Ultrasonographic tests were performed via nerve tracing from the cervical root to ... Read more >>

Muscle Nerve (Muscle & nerve)
[2012, 46(5):711-716]

Cited: 26 times

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Ultrasonographic evaluation of needle electromyography insertion into the tibialis posterior using a posterior approach.

Sun Jae Won, Jun Yeon Kim, Joon Shik Yoon, Sei Joo Kim,

<h4>Objective</h4>To estimate the safety window for needle insertion in the posterior approach to the tibialis posterior by ultrasonography, particularly in a clinical setting.<h4>Design</h4>Cross-sectional study.<h4>Setting</h4>University hospital.<h4>Participants</h4>Healthy volunteers (108 legs, from 22 men and 32 women).<h4>Interventions</h4>Not applicable.<h4>Main outcome measures</h4>Distance between the tibia and neurovascular bundles in the posterior aspect of the tibia ... Read more >>

Arch Phys Med Rehabil (Archives of physical medicine and rehabilitation)
[2011, 92(11):1921-1923]

Cited: 6 times

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Carpal tunnel syndrome: Clinical, electrophysiological, and ultrasonographic ratio after surgery.

Jun Yeon Kim, Joon Shik Yoon, Sei Joo Kim, Sun Jae Won, Jin Seok Jeong,

<h4>Introduction</h4>The aim of this study was to improve our understanding of the pathophysiology of carpal tunnel syndrome (CTS) and to highlight the ultrasonographic cross-sectional area (CSA) ratio as a tool for assessing outcomes by investigating postoperative changes.<h4>Methods</h4>Twenty-four individuals with CTS were evaluated using the Boston questionnaire, nerve conduction studies, and ... Read more >>

Muscle Nerve (Muscle & nerve)
[2012, 45(2):183-188]

Cited: 28 times

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Usefulness of ultrasonography to predict response to injection therapy in carpal tunnel syndrome.

Jin Seok Jeong, Joon Shik Yoon, Sei Joo Kim, Byung Kyu Park, Sun Jae Won, Jung Mo Cho, Chan Woo Byun,

<h4>Objective</h4>To verify the feasibility of initial parameters of ultrasonography or electromyography for the prediction of effect after steroid injection therapy in a carpal tunnel syndrome (CTS) patient.<h4>Method</h4>We recruited individuals with clinical and electrodiagnostic evidence of CTS. Results from the Boston self-assessment questionnaire, median motor and sensory nerve conduction studies, and ... Read more >>

Ann Rehabil Med (Annals of rehabilitation medicine)
[2011, 35(3):388-394]

Cited: 9 times

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Median nerve changes following steroid injection for carpal tunnel syndrome.

Michael S Cartwright, David L White, Samantha Demar, Ethan R Wiesler, Thomas Sarlikiotis, George D Chloros, Joon Shik Yoon, Sun Jae Won, Joseph A Molnar, Anthony J Defranzo, Francis O Walker,

<h4>Introduction</h4>Neuromuscular ultrasound is a painless, radiation-free, high-resolution imaging modality for assessment of the peripheral nervous system. The purpose of this study was to use neuromuscular ultrasound to assess the changes that occur in the median nerve after steroid injection for carpal tunnel syndrome (CTS).<h4>Methods</h4>Ultrasound and nerve conduction studies were performed ... Read more >>

Muscle Nerve (Muscle & nerve)
[2011, 44(1):25-29]

Cited: 43 times

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Avoiding false-negative nerve conduction study in ulnar neuropathy at the elbow.

Sun Jae Won, Joon Shik Yoon, Jun Yeon Kim, Sei Joo Kim, Jin Seok Jeong,

<h4>Introduction</h4>Ulnar nerve displacement at the elbow causes overestimation of nerve conduction velocity. We hypothesized that this overestimation may cause false-negative results when the American Association of Neuromuscular and Electrodiagnostic Medicine (AANEM) diagnostic criteria are used.<h4>Methods</h4>We investigated 9 cases of ulnar neuropathy at the elbow, all having ulnar nerve displacement confirmed ... Read more >>

Muscle Nerve (Muscle & nerve)
[2011, 44(4):583-586]

Cited: 9 times

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