• 제목/요약/키워드: Nervous system

검색결과 2,750건 처리시간 0.027초

Benign convulsion with mild gastroenteritis

  • Kang, Ben;Kwon, Young Se
    • Clinical and Experimental Pediatrics
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    • 제57권7호
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    • pp.304-309
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    • 2014
  • Benign convulsion with mild gastroenteritis (CwG) is a type of afebrile seizure that occurs in children. CwG is defined as a convulsion in a previously healthy child with no known central nervous system infection or encephalopathy, accompanying mild diarrhea without fever, electrolyte imbalance, or moderate to severe dehydration. Convulsions in CwG are characterized by multiple brief episodes of generalized or focal seizures. Although the etiology and pathophysiology have yet to be fully explained, many pathogenic mechanisms have been proposed including the possibility of direct invasion of the central nervous system by a gastrointestinal virus such as rotavirus or the possibility of indirect influence by the production and effects of certain mediators. The electroencephalogram findings are benign and long-term antiepileptic treatment is typically not required. Long-term prognosis has been favorable with normal psychomotor development. This review provides a general overview of CwG with the goal of allowing physicians practicing in the field of pediatrics to better recognize this unique entity and, ultimately, to minimize unnecessary evaluation and treatment.

말초신경계 치료를 위한 미니 Loop - 코일 삽입형 자기치료시스템의 설계 및 제작 (Design and manufacture of mini loop coil magnetic curer for peripheral nervous system treatment)

  • 김휘영
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2007년도 춘계학술대회 논문집 전기기기 및 에너지변환시스템부문
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    • pp.153-155
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    • 2007
  • It is as result that study to apply mini magnet nerve curer in peripheral nervous system disease treatment. Design and embodied action power and Control Unit in cylinder form of magnet roof object firstly. Yielded service area about special quality of probe of roof object cylinder style and treatment area dimension and distance of treatment pulse secondly. Embody pulse forming course energy value by Probe's form by third, could embody treatment pulse by disease. Specially, through a special quality experiment, saved Damping pulse form and treatment pulse form etc. variously Lately, embodied this to aid a little in disease treatment that follow that there is no invasion that there is no stimulation by medicine development Go amplitude treatment pulse (traditional magneto-therapy of greatly great that strong.) does curative effect greatest at short time and becomes thought that demand is magnified greatly at the future in this research.

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인삼(人蔘)의 중추신경계(中樞神經系)에 대(對)한 작용(作用) -인삼(人蔘) Saponin이 흰쥐 일반활동(一般活動)에 미치는 영향(影響)- (Effect of Ginseng Saponin on the General Behavior in Rats)

  • 심상정;오진섭
    • 대한약리학회지
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    • 제9권2호
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    • pp.9-16
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    • 1973
  • It is said that the chinese medicine, Ginseng root has some effects on the central nervous system . Ginseng saponin was prepared from Ginseng methanol extract and its effect on general behavioral activity was studied in rats. Each experimental group was composed of 8 rats. The behavioral activity of rats was observed in terms of 7 components i.e. sleeping, lying, grooming, rearing, walking, eating and drinking. In each group, total duration of behavior-observation was 2 hours, which were devided into four 30 min-intervals. The behavior-observation was done 10 times for each interval, so total number of observation was 40 times throughout 2 hours. Ginseng sapoain showed central nervous system stimulant action in reduced sleeping component and in increased activity components. From the results of this study, it is suggested that Ginseng saponin inhibits the extrapyramidal action of chlorpromazine.

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부교감신경의 자극에서 나타나는 PR구간의 변동량에 대한 혼돈 분석 (CHAOTIC ANALYSIS OF PR INTERVAL VARIABILITY IN PARASYMPATHETIC STIMULATION)

  • 이종민;박광석;염명걸
    • 대한의용생체공학회:학술대회논문집
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    • 대한의용생체공학회 1995년도 추계학술대회
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    • pp.205-208
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    • 1995
  • Analysis of Heart Rate Variability has been studied to estimate autonomic nervous system. PR interval represents conduction time from atrium to ventricle. PR interval variability(PRV) is also can be used to estimate autonomic nervous system. We have acquired two-state ECGs of children who are before vagal stimulation and after vagal stimulation. We applied chaotic theory to each ECG in order to analyze PRV, and compared the results from frequency domain analysis. The correlation dimension of PRV of pre-stimulated children is higher than that of post-stimulated children.

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Central Nervous System Involvement of Acute Lymphoblastic Leukemia

  • Hyun, Seung-Jae;Kim, Young-Baeg;Yu, Hyeon;Hong, Hyun-Jong
    • Journal of Korean Neurosurgical Society
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    • 제40권1호
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    • pp.54-57
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    • 2006
  • Central nervous system[CNS] involvement of acute lymphoblastic leukemia may occur. However, CNS involvement as a first manifestation of leukemia is very rare. An 8-year-old girl complained of a backache after playing in the water. Neurological examination detected progressing paraparesis. Magnetic resonance imaging[MRI] of the thoracolumbar spine showed a well-circumscribed homogeneous posterior extradural mass lesion extending from T7 to T9. MRI of the brain showed diffused fatty marrow replacement of the calvarium and the skull base. We report a patient with epidural Burkitt's lymphoma of the thoracic and lumbar vertebra causing compression of the spinal cord after pathologic evaluation. The tumor consisted mainly of lymphoblastic cells, which were identical to those originally seen in the bone marrow aspiration and biopsy. After decompressive laminectomy she began consolidation chemotherapy.

Chordoid Glioma : A Case Report of Unusual Location and Neuroradiological Characteristics

  • Kim, Jin-Wook;Kim, Jae-Hyoung;Choe, Ghee-Young;Kim, Chae-Yong
    • Journal of Korean Neurosurgical Society
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    • 제48권1호
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    • pp.62-65
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    • 2010
  • Since the World Health Organization (WHO) classification for central nervous system neoplasms was declared in 2000, chordoid glioma of the third ventricle has been noted as a newly recognized tumor for central nervous system neoplasms. Although there is not enough universal experience to know the nature of this tumor due to its rarity, the origin of chordoid glioma was guardedly proposed to be the ependymal cells of the third ventricle. Such an idea has been primarily based on the specific location of the tumor, that is, third ventricle, suprasellae, and hypothalamus. However, we report a rare case of histologically confirmed chordoid glioma located in the left thalamus, not attached to any of the midline structures having unusual neuroradiological characteristics.

CDM 방법에 의한 실신 환자의 심박동수 변화율의 PSD 특성에 관한 연구 (PSD on the Characteristic of Heart Rate Variability of patients with Vasovagal Syncope by Complex Demodulation Method)

  • 최규섭;이준영;김동철;윤성원;이명호
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2000년도 추계학술대회 논문집 학회본부 D
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    • pp.854-856
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    • 2000
  • In this paper, complex demodulation method to access the dynamic autonomic nervous system characteristic of patients with syncope is proposed. Assessment of heart rate variability using conventional power spectral analysis such as FFT or AR-modeling could not capture a split change occurrence. However, in this paper, these changes are seen and by using Complex Demodulation Method(CDM) autonomic nervous system function assessments of patients with vasovagal syncope were verified and suggested.

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CDM 방법에 의한 실신 환자의 심박동수 변화율 특성에 관한 연구 (A Study on the Characteristic of Heart Rate Variability of patients with Vasovagal Syncope by Complex Demodulation Method)

  • 이동준;이정환;이준영;김한수;이명호
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1999년도 추계학술대회 논문집 학회본부 B
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    • pp.624-1-624-3
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    • 1999
  • In this paper, complex demodulation method to access the dynamic autonomic nervous system characteristic of patients with syncope is proposed. Assessment of heart rate variability using conventional power spectral analysis such as FFT or AR-modeling could not capture a split change occurrence. However, in this paper, these changes are seen and by using Complex Demodulation Method(CDM) autonomic nervous system function assessments of patients with vasovagal syncope were verified and suggested.

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Radiation-Induced Glioblastoma Multiforme in a Remitted Acute Lymphocytic Leukemia Patient

  • Joh, Dae-Won;Park, Bong-Jin;Lim, Young-Jin
    • Journal of Korean Neurosurgical Society
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    • 제50권3호
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    • pp.235-239
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    • 2011
  • Radiation therapy has been widely applied for cancer treatment. Childhood acute lymphocytic leukemia (ALL), characterized by frequent central nervous system involvement, is a well documented disease for the effect of prophylactic cranio-spinal irradiation. Irradiation, however, acts as an oncogenic factor as a delayed effect and it is rare that glioblastoma multiforme develops during the remission period of ALL. We experienced a pediatric radiation-induced GBM patient which developed during the remission period of ALL, who were primarily treated with chemotherapeutic agents and brain radiation therapy for the prevention of central nervous system (CNS) relapse. Additionally, we reviewed the related literature regarding on the effects of brain irradiation in childhood and on the prognosis of radiation induced GBM.

기립경사도 검사에 의한 실시환자의 심박변동신호 특성에 관한 연구 (A study on the characteristics of heart rate variability of patients with vasovagal syncope by tilt-table test)

  • 이정환;박찬석;이병채;김준수;이명호
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 1998년도 하계종합학술대회논문집
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    • pp.561-564
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    • 1998
  • This paper evaluated autonomic nervous system function in 23 patients with syncope and a positive tilt test result, 21 with a negative test result, and 19 healthy controls. Indexes of heart rate variability were measured during supine resting, immediately afte rtilt-up, standing rsting, immediately before syncope and immediately after tiltdown. There were no significant differences among the groups in any of the indexes of heart rate varability over the 24-hour holter recordings. In patients with a positive tilt result, tilting gaused a decrease in low-frequency (LF) immediately before syncope and incsrease in high-frequency (HF) bands immediately before. In patients with a negative tilt result, tilting caused a decrease in low-frequency (LF) immediately before syncope and decrease in high-frequency (HF) bands immediately before, different from positive tilt results. Our findings showed that patients with vasovagal syncope have no chronic differences from normal subjects in autonomic nervous system activity, but that these patients respond differently to the orthostatic stimulus.

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