• Title/Summary/Keyword: Autonomic fibers

Search Result 16, Processing Time 0.023 seconds

Effects of Some Autonomic Drugs on the Intramural Nervous System of Isolated Jejunum of Chiken Pretreated with Reserpine (몇가지 자율신경성약물(自律神經性藥物)이 Reserpine 처리(處理) 병아리의 척출공장(剔出空腸) 내재성신경(內在性神經)에 미치는 영향(影響))

  • Lee, Chang Eop
    • Korean Journal of Veterinary Research
    • /
    • v.14 no.2
    • /
    • pp.207-210
    • /
    • 1974
  • Pharmacological investigation was performed in chickens which were pretreated with reserpine. Transmural stimulations were given to the isolated jejunum of chickens and studied the responses and the effects of dibenamine, propranolol, atropine and tetrodotoxin on them. The results obtained were summerized as follows: 1. Three different patterns of response were obtained from the isolated jejunum of non-treated chickens after giving them transmural stimulation. The first pattern was contraction followed by relaxation, the second pattern was contraction only and the third pattern was relaxation only. 2. The transmural stimulation of the jejunum preparations evoked relaxation while the periarterial stimulation evoked contraction in the reserpinized chick. 3. The relaxation response to the transmural stimulation was not affected by the pretreatment with dibenamine, propranolol and atropine. 4. The relaxation response to the transmural stimulation was abolished by tetrodotoxin. The results obtained in these studies indicate that the relaxation response to the transmural stimulation is due to non-adrenergic inhibitory fibers.

  • PDF

Comparison between C.M.R.T. and acupuncture in the treatment of liver dysfunction (간 기능 이상 치료에 대한 C.M.R.T. 치료 부위(T8 횡돌기)와 경혈과의 비교)

  • Sim Young;Lee Jun-Moo
    • Korean Journal of Acupuncture
    • /
    • v.19 no.2
    • /
    • pp.97-117
    • /
    • 2002
  • Chiropractic is very similar to Oriental Medicine in philosophy on the cause of diseases and in utilization of spinal articulations for diagnosis and treatment. In this paper the spinal area used to treat liver dysfunction in S.O.T. technique, one of chiropractic techniques, was compared to the acupncture points used to cure the same conditions. Because both Oriental medicine and Chiropractic are dealing with autonomic nervous system in regulating abnormal conditions, also the innervation of spinal nerves to those areas was checked. The spinal area that S.O.T. technique utilizes to correct liver dysfunction is transverse processes of T8, which corresponds to B16. Acupncture points from this level down to T12/L1, which are B16, B17, B18, B19, B20, B21, B45, B46, B47, B48, B49, B50, GV6, GV7, GV8 and GV9, all have been applied to control liver function. Apparent discrepency exists in therapeutic areas for liver malfunction between the two natural healing arts. According to the neurology texts, liver is innervated by sympathetic fibers from the 7th-10th thoracic segments and by parasympathetic fibers from vagus nerve. Sympathetic afferent nerves from the liver reach the 7th-12th thoracic spinal cord segments. It can be said all the 7th-12th thoracic spinal cord segments are related to liver function. Therefore the areas used for liver dysfunction in both natural medicine are appropriately selected. However, B16, the Oriental medical equivalent of the main spinal area which is used for lowered liver function in C.M.R.T. Technique, is not utilized as frequent as in Oriental medicine.

  • PDF

Scientific review of the aesthetic uses of botulinum toxin type A

  • Park, Mee Young;Ahn, Ki Young
    • Archives of Craniofacial Surgery
    • /
    • v.22 no.1
    • /
    • pp.1-10
    • /
    • 2021
  • Botulinum toxin type A (BoNT-A), onabotulinumtoxinA (Botox) was approved by the United States Food and Drug Administration for temporary improvement of glabellar lines in patients 65 years and younger in 2002, and has also been used widely for aesthetic purposes such as hyperhidrosis, body shape contouring, and other noninvasive facial procedures. BoNT-A inhibits presynaptic exocytosis of acetylcholine (ACh)-containing vesicles into the neuromuscular junction at cholinergic nerve endings of the peripheral nervous system, thereby paralyzing skeletal muscles. ACh is the most broadly used neurotransmitter in the somatic nervous system, preganglionic and postganglionic fibers of parasympathetic nerves, and preganglionic fibers or postganglionic sudomotor nerves of sympathetic nerves. The scientific basis for using BoNT-A in various cosmetic procedures is that its function goes beyond the dual role of muscle paralysis and neuromodulation by inhibiting the secretion of ACh. Although the major target organs for aesthetic procedures are facial expression muscles, skeletal body muscles, salivary glands, and sweat glands, which are innervated by the somatic or autonomic nerves of the peripheral cholinergic nerve system, few studies have attempted to directly explain the anatomy of the areas targeted for injection by addressing the neural physiology and rationale for specific aesthetic applications of BoNT-A therapy. In this article, we classify the various cosmetic uses of BoNT-A according to the relevant component of the peripheral nervous system, and describe scientific theories regarding the anatomy and physiology of the cholinergic nervous system. We also review critical physiological factors and conditions influencing the efficacy of BoNT-A for the rational aesthetic use of BoNT-A. We hope that this comprehensive review helps promote management policies to support long-term, safe, successful practice. Furthermore, based on this, we look forward to developing and expanding new advanced indications for the aesthetic use of BoNT-A in the future.

Controversies on the Usefulness of Nerve Conduction Study in the Early Diagnosis of Diabetic Polyneuropathy: Pros (당뇨병성 다발신경병증의 조기 진단에서 신경전도검사의 유용성에 관한 논란: 긍정적인 관점에서)

  • Kwon, Ohyun
    • Annals of Clinical Neurophysiology
    • /
    • v.10 no.1
    • /
    • pp.29-32
    • /
    • 2008
  • Although various criteria on the diagnosis of diabetic neuropathy are applied from trial to trial, being tailored in concert with its purpose, the utmost evidences of the diagnosis are subjective symptoms and objective signs of neurologic deficit. The application and interpretation of auxiliary electrophysiological test including nerve conduction study (NCS) should be made on the context of clinical pictures. The evaluation of the functions of small, thinly myelinated or unmyelinated nerve fibers has been increasingly stressed recently with the advent of newer techniques, e.g., measurement of intraepidermal fiber density, quantitative sensory testing, and autonomic function test. And the studies with those techniques have shed light to the nature of the evolution of diabetic neuropathy. The practical application of these techniques to the diagnosis of diabetic neuropathy in the individual patients, however, should be made cautiously due to several shortcomings: limited accessibility, wide overlapping zone between norm and abnormality with resultant unsatisfactory sensitivity and specificity, difficulty in performing subsequent tests, unproven quantitative correlation with clinical deficit, and invasiveness of some technique. NCS, as an extension of clinical examination, is still the most reliable electrophysiological test in evaluating neuropathy and gives the invaluable information about the nature of neuropathy, whereas the newer techniques need more refinement of the procedure and interpretation, and the accumulation of large scaled data of application to be considered as established diagnostic tools of peripheral neuropathy.

  • PDF

Botulinum A toxin for the treatment of focal hyperhidrosis -5 cases- (국소화 다한증에 대해 보툴리늄 독소를 이용한 치료 -5례보고-)

  • Lee, Song-Am;Kim, Kwang-Taik;Park, Sung-Min;Chung, Bong-Kyu;Sun, Kyung;Kim, Hyoung-Mook;Lee, IIn-Sung
    • Journal of Chest Surgery
    • /
    • v.33 no.3
    • /
    • pp.268-272
    • /
    • 2000
  • Thoracic sympathicotomy has been used safely and successfully to treat essential hyperhidrosis. However, it has been difficult to treat compansatory hyperhidrosis after thoracic sympathicotomy and focal hyperhidrosis. The sweat glands were innervated by post-ganglionic sympathetic fibers with acetylcholic serving as the transmitter. Botulinum A toxin has been reported to block neuro-transmission at the cholinergic autonomic nerve terminals. Prospecting its effect for the sweat gland, we treated 5 patients with focal hyperhidrosis with botulinum A toxin. Three patients received bilateral thoracic sympathectomy (1 case) and sympathicotomy(2 case) via VAT. The hyperhidrosis area was marked with betadine and was subdivided into squares of 2$\times$2 cm(4$\textrm{cm}^2$) each. Botulinum A toxin was injected intracutaneously in a dosage of 2.5U/0.1ml(100U/4ml) /4$\textrm{cm}^2$. A total dose of 100U of Botulinum A toxin was injected into the affected sites. Subjective assessment of sweat production by the patients using a visual analogue scale showed a 20~70% improvement. During the follow-up period, no toxic effects were observed.

  • PDF

Differences Between Facial Skin Temperature of the Paralyzed Side and Those of the Normal Side in Bell's Palsy Patients (Bell's Palsy 환자의 건측-환측 안면부 피부온도차이에 관한 연구)

  • Nam, Dong-Hyun;Koh, Hyung-Kyun;Park, Young-Bae
    • The Journal of Korean Medicine
    • /
    • v.28 no.1 s.69
    • /
    • pp.126-136
    • /
    • 2007
  • Objectives : Bell's palsy in an acute peripheral facial nerve paralysis that usually affects only one side of the face. The seventh cranial nerve carries predominantly motor fibers, but also supplies some autonomic innervation, sensation to park of the ear, and taste to the anterior two thirds of the tongue. The aim of this study is to provide evidence of differences between facial skin temperature of the paralyzed side and normal side in Bell's palsy patients. Methods : the author studied 68 patients with Bell's palsy whose facial nerve function had been documented by the House-Brackmann grading system. We measured skin temperature of the forehead, zygoma, lower lip, temple and lower jaw area of the paralyzed side and those of the normal side. Results : there were significant facial skin temperature differences between the forehead area of paralyzed side and that of normal side of GrII(P<0.05) and III(P<0.05). The result also showed that the facial skin temperature difference according to the aflection period vanished when air temperature was calibrated (F=1.700, P=0.178). Conclusions : Thermography is a useful diagnostic tool in Bell's palsy if the air temperature is low enough to cool the facial skin temperature and the forehead area is evaluated as the sampling zone.

  • PDF