• Title/Summary/Keyword: Autonomic

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Vasovagal syncope with mild versus moderate autonomic dysfunction: a 13-year single-center experience

  • Lee, Han Eoul;Lee, Dong Won
    • Clinical and Experimental Pediatrics
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    • v.65 no.1
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    • pp.47-52
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    • 2022
  • Background: An adequate large-scale pediatric cohort based on nationwide administrative data is lacking in Korea. Purpose: This study aimed to differentiate patients with VVS by autonomic dysfunction severity using the composite autonomic severity score (CASS) and compare the clinical manifestations and prognosis between patient subgroups. Methods: We retrospectively reviewed the medical records of 66 VVS patients divided into 3 groups by CASS. To compare the differences between these groups, we analyzed VVS type, triggers, prodromal symptoms, management of syncope, and prognosis between patients with mild versus moderate autonomic dysfunction. Results: Of our 66 patients with VVS, 41 had mild autonomic dysfunction (62.1%) and 25 had moderate autonomic dysfunction (37.9%). We found no significant intergroup differences in age, sex, inducible factor (P=0.172), prodromal symptoms, laboratory findings, head-up tilt test, type of syncope, or prognosis (P=0.154). Conclusion: We found no evidence that autonomic dysfunction degree is affected by VVS characteristics, test findings, parameters, or prognosis; therefore, no further evaluations are needed to classify autonomic dysfunction severity.

Autonomic dysfunction in multiple sclerosis and neuromyelitis optica spectrum disorder

  • Soonwook Kwon;Ju-Hong Min
    • Annals of Clinical Neurophysiology
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    • v.25 no.1
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    • pp.19-26
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    • 2023
  • Autonomic dysfunction occurs frequently in multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD). Patients with either condition may present with autonomic symptoms such as bladder, sexual, cardiovascular, thermoregulatory, and gastrointestinal dysfunction, and fatigue, but autonomic symptoms that affect quality of life are underrecognized in clinical practice. The immunopathogenesis of MS has been considered to be associated with autonomic dysfunction. Applying appropriate treatment strategies for autonomic dysfunction is important to improve the quality of life of patients. Here we review autonomic dysfunction and how this is managed in patients with MS and NMOSD.

A case of Acute Autonomic and Sensory Neuropathy (급성 자율 감각 신경병증 1례)

  • Lee, Jong-Mun;Kwon, Do-Young;Koh, Seong-Beom;Kim, Byung-Jo;Park, Min-Kyu;Park, Kun-Woo;Lee, Dae-Hie
    • Annals of Clinical Neurophysiology
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    • v.4 no.1
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    • pp.70-73
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    • 2002
  • Acute autonomic neuropathy is a rare disease. Since the first case was reported by Young et.al., in 1969, a number of similar cases have been described, with some variation of the accompanied neurologic deficits. Acute autonomic and sensory neuropathy(AASN) is characterized by the acute onset of autonomic dysfunction and sensory disturbances. A 16-year-old girl experienced high fever($40^{\circ}C$) and erythematous rash on whole trunk and face followed by pain and sensory loss over the whole body, dysphagia, ataxia, urinary retention, and postural hypotension. There was no evidence of limb weakness. The electrophysiologic studies of this patient revealed sensory polyneuropathy and the various autonomic function test showed autonomic dysfunction. The recovery of her autonomic and sensory symptoms is incomplete, three months after the onset of the symptoms. The etiology of the acute autonomic and sensory neuropathy is not known. Most previous authors have suggested the dysautonomia may be an acute immunological damage to peripheral fibers of the autonomic nervous system. We report a case of acute autonomic and sensory neuropathy.

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The desitgn of autonomic function analysis system by using heart rate variability signal (심박변동신호에 의한 자율신경 기능 해석시스템의 설계)

  • 이명호;정기삼;이정환
    • 제어로봇시스템학회:학술대회논문집
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    • 1997.10a
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    • pp.1639-1642
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    • 1997
  • In this paper, the autonomic function analysis system was designed to noninvasively assess the autonomic function of cardiovascular system. Orthostatic stress protocol was designed to stimulate the autonomic nervous system. designed protocol and analysis algorithm were evaluated by experiments for 25 normal subjects and 22 hemiplegia patients. Data were processed by usign the power spectral analysis. Nwe indexes of autonomic function, LF$_{N}$ and HF$_{N}$, were proposed and were compared with LF/HF ratio. New indexes of the sympathetic and parasympathetic activity, respectively. The IST and the DPT are balanced and have positive value for normal subjects during orthostatic stress but not for hempilegia patients. This result suggest that the IST and the DPT are used as new criteria of normal autonomic function during orthostatic stress.ess.

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A development of measuring system for Autonomic Nervous Activity (자율신경계 활성도 측정 시스템 개발)

  • 이준하
    • Progress in Medical Physics
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    • v.11 no.2
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    • pp.141-146
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    • 2000
  • Power spectrum analysis is a powerful noninvasive tool for quantifying autonomic nervous system activity. In this paper, We developed a measuring system for Autonomic Nervous Activity by using power spectrum analysis method to obtain the activities of autonomic nervous system. This system adopt a isolated power for patient's safety. In this system, Two output signal is obtained - R-R interval time variability and Respiration time variability. Time variability is use to find out some disease related to Autonomic Nervous System. Experimental tested range is 30 ~ 240 BPM for ECG and 15~80 BPM for Respiration.

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The treatment of insomnia through stability of the autonomic nervous system (자율신경 안정을 통한 불면증 치료)

  • Yoon, Jong-Cheon;Jung, In-Chul;Lee, Sang-Ryong
    • Journal of Haehwa Medicine
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    • v.18 no.2
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    • pp.141-145
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    • 2009
  • Following thesis is about comprehensive treatment of insomnia through stability of the autonomic nervous system. It is widely accepted that most of the relevant symptoms of insomnia can be blamed on successive instability of the autonomic nervous system. In order to treat insomnia effectively, it is essential to maintain stability in the autonomic nervous system. When one is at stable stage of the autonomic nervous system, one maintains steady hormonal discharge. In Oriental Medicine, it is the stage when one has a sound qi-blood circulation. To treat insomnia effectively, one has to obtain both physical and mental relaxation through various ways.

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Model-based Autonomic Computing Framework for Cyber-Physical Systems (CPS를 위한 모델 기반 자율 컴퓨팅 프레임워크)

  • Kang, Sungjoo;Chun, Ingeol;Park, Jeongmin;Kim, Wontae
    • IEMEK Journal of Embedded Systems and Applications
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    • v.7 no.5
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    • pp.267-275
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    • 2012
  • In this paper, we present the model-based autonomic computing framework for a cyber-physical system which provides a self-management and a self-adaptation characteristics. A development process using this framework consists of two phases: a design phase in which a developer models faults, normal status constrains, and goals of the CPS, and an operational phase in which an autonomic computing engine operates monitor-analysis-plan-execute(MAPE) cycle for managed resources of the CPS. We design a hierachical architecture for autonomic computing engines and adopt the Model Reference Adaptive Control(MRAC) as a basic feedback loop model to separate goals and resource management. According to the GroundVehicle example, we demonstrate the effectiveness of the framework.

Autonomic dysfunction in patients with orthostatic dizziness

  • Hyung Lee;Hyun Ah Kim
    • Annals of Clinical Neurophysiology
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    • v.25 no.1
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    • pp.27-31
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    • 2023
  • Orthostatic dizziness is feeling dizzy or lightheaded when standing up. Hemodynamic orthostatic dizziness can be caused by autonomic dysfunction such as orthostatic hypotension or postural tachycardia syndrome. The interpretation of the autonomic function test results in patients with orthostatic dizziness is crucial for diagnosing and managing the underlying condition. The head-up tilt and Valsalva tests are especially important for evaluating adrenergic function in patients with hemodynamic orthostatic dizziness. However, it is important to note that autonomic function tests do not cover the entire diagnostic process, since their findings need to be considered along with the detailed history and physical examination results of the patient because various differential diagnoses exist for orthostatic dizziness. Ensuring appropriate treatment by interpreting the autonomic function test results can help to determine the improvement of and prevents falls from orthostatic dizziness.

Study on Activity of Autonomic Nerve System Using Dinamika on Stroke (Dinamika를 이용한 중풍환자의 자율신경계 활성도에 대한 연구)

  • Lee Sung-Do;Jeon Jong-Chul;Park Dong-Il
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.19 no.4
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    • pp.1088-1091
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    • 2005
  • This study was designed to research whether Dinamika can yield a suitable diagnosis for Activity of Autonomic Nene System on stroke. The testing of Dinamika was carried out at Oriental Medical Centar of Dong-Eui University with the participation of 27 patients. The results of Dinamika examinations shows as follows : Group A(the rising of a parasympathetic nerve system) is 0 persons. And Group B(the balancing autonomic none system) is 4 persons. Group C(the rising of a sympathetic nerve system) is 23 persons. There are 7 persons that it is difference of more than $20\%$ between B1 (the control ability of autonomic nerve system) and B2(the potential energy to control autonomic nerve system), 11 person that B1 and B2 are less than $10\%$, 1 person that B1 and B2 are balanced about $60\%$, 8 person that it is balanced domain from $10\%\;to\; 60\%$ between B1 and B2. According to this study on activity of autonomic nerve system using Dinamika on Stroke, these results suggest that 27 patients evidence the problem of autonomic none systems.

A Survey on Korean Medicine Treatment of Autonomic Dysfunction: Preliminary Research for Clinical Practice Guidelines (자율신경실조증 한의표준임상진료지침 개발을 위한 한의임상 실태조사)

  • Hui-Yeong Park;Geum-Ju Song;Hyun Woo Lee;Chan Park;Seok-In Yoon;Jung Hwan Park;Sun-Yong Chung;Jong Woo Kim
    • Journal of Oriental Neuropsychiatry
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    • v.34 no.4
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    • pp.335-347
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    • 2023
  • Objectives: The study aimed to understand the current treatment patterns in Korean medicine to develop clinical practice guidelines for autonomic dysfunction in Korean medicine. Methods: This study sent an online survey vai text message to 25,900 Korean medicine doctors whose contact information was registered with the Association of Korean Medicine. A total of 1,410 Korean medical doctors completed the online survey. Results: When autonomic treating dysfunction clinically, 77% of the cases included only a description without entering a diagnosis code. The most commonly used information to diagnose o autonomic dysfunction was history-taking and symptoms (79%), and the main symptoms of autonomic dysfunction were palpitations, dizziness, sleeping difficulties, anxiety/nervousness, and depression/lethargy. The most frequently mentioned cause of autonomic dysfunction was mental problems (54%). The most commonly used Korean medicine treatment method for autonomic dysfunction was herbal medicine (70%), and Soyo-san/Gamisoyo-san is the most frequently used herbal medicine preparation. Liver qi depression used to indicate the most often mentioned Korean medicine pattern identification used to indicate autonomic dysfunction (31%). When asked whether cardiac neurosis in Chinese medicine can be considered autonomic dysfunction, opinions for and against it are determined almost equally. Conclusions: Our results serve are a foundation for developing clinical practice guidelines for autonomic dysfunction in Korean medicine and are expected to catalyst promoting future clinical research on autonomic dysfunction.