• Title/Summary/Keyword: Median nerve

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Effects of Myofascial Release on Nerve Conduction Studies and Pain Scale in Middle-Aged Women (중년여성에서 근막이완요법이 신경전도와 통증에 미치는 영향)

  • Yon, Jung-Min;Lee, Hyun-Kyung;Lee, Og-Kyoung
    • Journal of Digital Convergence
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    • v.12 no.6
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    • pp.425-432
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    • 2014
  • The purpose of this study was to examine the effect of myofascical release (MR) on the degree of pain and nerve conduction velocity (NCV) in middle-aged women. Participants were 28 middle-aged women and MR carried out three times (1, 3, 5 day) at intervals of two times. We did survey about changes of pain before the MR and how they changed after the MR. Also measured pressure pain threshold (PPT) and visual analogue scale (VAS) by using the algometer at trapezius muscle. In median nerve, we did motor nerve conduction velocity (MNCV) test and sensory nerve conduction velocity (SNCV) test for measuring incubation period, amplitude and nerve conduction. The most painful time was 18~21 and the most painful part was shoulder. The pain scale, PPT and VAS after the MR had significantly decreased than before the MR. The latency was significantly decreased and the amplitude was significantly increased in the MNCV and the latency was significantly decreased in the SNCV after the MR. Also it was effective in ameliorating pain scale and latency of NCV. Consequently, the MR can be effective in prevent pain scale caused by fatigue in middle-aged women as replacement therapy.

Electrophysiological Analysis in Diabetic Patients with Abnormal Sensation and Pain (이상감각과 통증을 호소하는 당뇨병 환자의 전기생리학적 특징 분석)

  • Yang, Jiwon;Lee, Yeong-Bae
    • Science of Emotion and Sensibility
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    • v.19 no.4
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    • pp.111-118
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    • 2016
  • Patients with type 2 diabetes mellitus can complain of abnormal sensation and pain which derived from the peripheral nerve damage. Various words used to be describe abnormal sense and pain, such as sharp, hot, dull, cold, sensitive, and itch. To diagnose diabetic peripheral neuropathy, several screening instruments (Neuropathic Pain Scale, NPS; Michigan Neuropathy Screening Instruments, MNSI) and electrophysiological study can be used. In this study, we aim to analyze and compare the clinical and electrophysiological characteristics of 11 patients with diabetes mellitus and abnormal sense/pain (Disease Group, DG) and 10 patients with diabetes mellitus and normal sense (Control Group, CG). In addition, we aim to reveal correlation between NPS subscore and electrophysiological parameters. As a result, the scores of NPS and MNSI in DG were significantly higher. In nerve conduction study, median motor nerve and peroneal nerve showed significant functional change. Also, median motor nerve, posterior tibial nerve and sural nerve showed negative correlation as NPS subscore increased. These results mean increased pain can be associated with abnormal nerve function. It needs to be further explored for larger size of subjects to get confirmative results.

The Effect of Rhythmic Neurodynamic on the Upper Extremity Nerve Conduction Velocity and the Function for Stroke Patients

  • Kang, Jeong-Il;Moon, Young-Jun;Jeong, Dae-Keun;Choi, Hyun
    • The Journal of Korean Physical Therapy
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    • v.29 no.4
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    • pp.169-174
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    • 2017
  • Purpose: The purpose of this study was to resolve, in an efficient manner, the mechanoreceptor problems of the part far from the paretic upper extremity in stroke patients, as well as to provide clinical basic data of an intervention program for efficient neurodynamic in stroke patients, by developing a rhythmic neurodynamic exercise program and verifying functional changes depending on the increase in the upper extremity nerve conduction velocity. Methods: Samples were extracted from 18 patients with hemiplegia, caused by stroke, and were randomly assigned to either the experimental group I for the general upper extremity neurodynamic (n=9) and the experimental group II for rhythmic upper extremity neurodynamic (n=9). An intervention program was applied ten times per set (three sets one time) and four times a week for two weeks (once a day). As a pre-test, changes in the upper extremity nerve conduction velocity and functions were assessed, and two weeks later, a post-test was conducted to re-measure them in the same manner. Results: The wrist and palm sections of the radial nerve and the wrist and elbow sections of the median nerve, as well as the wrist, lower elbow, upper elbow, and axilla sections of the ulnar nerve had significant differences with respect to the upper extremity nerve conduction velocity between the two groups (p<0.05)(p<0.01), and significant differences were also found in the upper extremity functions (p<0.05). Conclusion: Rhythmic neurodynamic accelerated the nerve conduction velocity more in broader neural sections than the general neurodynamic. In conclusion, rhythmic neurodynamic was proven to be effective for improving the functions of upper extremity.

Changes in Nerve Excitability Depending on Intensity of Neural Stretching (신경 신장 적용 강도에 따른 신경흥분성 변화)

  • Kim, Jong-Soon
    • PNF and Movement
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    • v.19 no.2
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    • pp.195-203
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    • 2021
  • Purpose: Neurodynamic tests are used to examine neural tissue in patients with neuro-musculoskeletal disorders, although this has not yet been established in the intensity of nerve tension application. This study aimed to investigate the acute effects of neural stretching intensity on nerve excitability using the latency and amplitude of nerve conduction velocity test (NCV) analysis. Methods: Thirty young, healthy male and female subjects (mean age = 21.30 years) voluntarily participated in this study. Nerve excitability was assessed using the median sensory NCV test. The latency and amplitude of the NCV test were measured under four different conditions: reference phase (supra-maximal stimulus, without neural stretching), baseline phase (2/3 of the supra-maximal stimulus, without neural stretching), weak stretch phase (2/3 of the supra-maximal stimulus, with weak neural stretching), and strong stretch phase (2/3 of the supra-maximal stimulus, with strong neural stretching). Results: The NCV latency was significantly delayed after one minute of neural stretching at the baseline, weak phase, and strong phase in comparison with the reference phase. The NCV latency was significantly delayed by increasing the strength of neural stretching. Furthermore, the NCV amplitude was significantly increased at the weak and strong phases, which were under neural stretching, in comparison with the baseline phase. The NCV amplitude was significantly increased by increasing the strength of the neural stretching. Conclusion: Transient neural stretching as a neurodynamic test can increase the sensitivity of the nerve without negatively affecting the nervous system. However, based on the results of this study, strong neural stretching in the neurodynamic test may delay the transmission of nerve impulses and hypersensitivity.

Comparison of the Voice Outcome After Injection Laryngoplasty: Unilateral Vocal Fold Paralysis Due to Cancer Nerve Invasion and Iatrogenic Injury (성대주입술 후 음향학적 분석결과 비교: 암의 신경 침윤으로 인한 일측성 성대마비 환자와 수술 후 발생한 일측성 성대마비 환자)

  • Yongmin, Cho;Hyunseok, Choi;Kyoung Ho, Oh;Seung-Kuk, Baek;Jeong-Soo, Woo;Soon Young, Kwon;Kwang-Yoon, Jung;Jae-Gu, Cho
    • Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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    • v.33 no.3
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    • pp.172-178
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    • 2022
  • Background and Objectives Injection laryngoplasty is a common method for treatment of unilateral vocal fold paralysis. Unilateral vocal fold paralysis has various causes, including idiopathic, infection, stroke, neurologic condition, surgery and nerve invasion by cancer. To the knowledge of the authors, there was no study on the relationship between the causes of vocal cord paralysis and the outcome of injection laryngoplasty. Therefore, we tried to investigate the difference in the outcomes of injection laryngoplasty between vocal cord paralysis after surgery group and nerve invasion by cancer group. Materials and Method A retrospective analysis was performed for 24 patients who underwent vocal cord injection due to unilateral vocal cord paralysis caused by surgery or nerve invasion by cancer. The objective quality of the voice was assessed by acoustic voice analysis with the Multi-Dimensional Voice Program. Results Both group showed an improvement of fundamental frequemcy (F0), jitter percent, shimmer (percent), and noise to hearmonic ratio (NHR) after injection laryngoplasty. The vocal cord paralysis due to nerve invasion group showed more improvement in both the mean and median value of F0, shimmer percent and NHR than the vocal cord paralysis due to surgery group, but there was not statistically significant. Conclusion Our study did not show a statistically significant difference in outcome between vocal cord paralysis due to cancer invasion group and surgery group, but statistically tendency was suggested. The vocal cord paralysis due to nerve invasion group showed more improvement in both the mean and median value of acoustic voice analysis than surgery group.

The clinical study on 2 cases of patients of carpal tunnel syndrome (수근관 증후군 환자 2례에 대한 증례보고)

  • Shin, Dong-Soo;Lee, Hyun
    • Journal of Haehwa Medicine
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    • v.15 no.1
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    • pp.79-85
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    • 2006
  • Carpal tunnel syndrome is a common peripheral nerve entrapment syndrome that is characterized by pain, numbness, sensory disturbance along the distribution of the median nerve in hand. Diagnosis mainly depends upon careful examination and symptomatology. Treatments have included wrist immobilization, anti-inflammatory drug, local injection of steroid, nerve block and surgical decompression. This is a clinical report about 2 cases of carpal tunnel syndrome patients who undergo oriental medical treatment. Both of two cases, Symptoms were disappeared and physical examinations were improved. The results of this study demonstrate that oriental medicine treatment that including acupuncture and herbal medicine therapy can have noticeable effects in treating the carpal tunnel syndrome.

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Cortical Stroke in Parietal Lobe Misdiagnosed as Carpal Tunnel Syndrome

  • Kim, Seok-Won;Ju, Chang-Il
    • Journal of Korean Neurosurgical Society
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    • v.41 no.5
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    • pp.333-335
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    • 2007
  • A 56-year-old woman presented with the numbness and pain in the left hand in the 1st, 2nd and 3rd finger area that developed suddenly 7 days prior to admission. In nerve conduction velocity test, the deterioration of nerve conduction velocity as well as the reduction of the potential amplitude were detected. After diagnosis of carpal tunnel syndrome, the open median nerve release was performed. Nonetheless, the preoperative symptoms did not change. The magnetic resonance images [MRI] of brain revealed a cerebral infarction in sensoricortical area of parietal lobe. The patient was referred to the department of neurology, and after conservative treatment, her symptoms were improved.

Thoracoscopic Sympathetic Nerve Reconstruction with using an Intercostal Nerve Graft after Thoracoscopic Sympathetic Clipping for Facial Hyperhidrosis (안면부 다한증에서 흉부교감신경차단수술 후 발생한 보상성 다한증에서 흉강경을 이용한 흉부교감신경 재건술)

  • Haam, Seok-Jin;Lee, Doo-Yun;Kang, Cheong-Hee;Paik, Hyo-Chae
    • Journal of Chest Surgery
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    • v.41 no.6
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    • pp.807-810
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    • 2008
  • From October 2005 to August 2006, sympathetic nerve reconstruction with using the intercostal nerve was performed in 4 patients with severe compensatory hyperhidrosis following thoracoscopic sympathetic surgery for facial hyperhidrosis. The interval between the initial sympathetic clipping and the sympathetic nerve reconstruction was a median of 23.1 months. The compensatory sweating after sympathetic nerve reconstruction was improved for 2 patients, but it was not improved for 2 patients. Thoracoscopic sympathetic nerve reconstruction may be one of the useful treatment methods for the patients with severe compensatory hyperhidrosis after they under go sympathetic nerve surgery for hyperhidrosis.