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1.
Int Marit Health ; 74(4): 265-271, 2023.
Article in English | MEDLINE | ID: mdl-38111247

ABSTRACT

BACKGROUND: Cerebral stroke is the third leading cause of death after cardiovascular disease, cancer and the leading cause of disability for patients. Hyperbaric oxygen is a non-drug treatment that has the potential to improve brain function for patients with ischaemic stroke. The objective of this study was to evaluate the results of treatment of acute cerebral infarction with hyperbaric oxygen therapy (HBOT). MATERIALS AND METHODS: This was a case-control study. One hundred ninety-five patients diagnosed with cerebral infarction, with signs of onset within 24 hours, were treated at the Centre for Underwater Medicine and Hyperbaric Oxygen of Vietnam National Institute of Maritime Medicine during the period from January 2020 to December 2022. Study group included 100 patients with acute cerebral infarction treated with a combination of HBOT and medication and reference group included 95 patients treated by medication only (antiplatelets drugs, statins, control of associated risks factors) RESULTS: After 7 days of treatment with hyperbaric oxygen (HBO), symptoms such as headache, dizziness, nausea, sensory disturbances, and Glasgow score of the study group improved better than that of the reference group (p < 0.01). Movement recovery in the study group was better than the reference group: the percentage of patients with mild and moderate paralysis in the study group increased higher than that of the reference group (86.0% and 68.4%), the degree of complete paralysis of the study group decreased more than that of the reference group (14.0% and 31.6%). The degree of independence in daily activities in the study group was better than the reference group. In the study group, the percentage of patients with complete independence in daily life increased from 27.0% to 84.0%. In the reference group, the rate of patients who were independent in their daily activities increased from 37.9% to 51.6%. The average number of treatment days of the study group was 10.32 ± 2.41 days and it the reference group 14.51 ± 3.24 days. CONCLUSIONS: Hyperbaric oxygen therapy is a non-drug treatment with many good effects in the treatment of cerebral infarction, especially acute cerebral infarction. HBOT reduces and improves functional symptoms, improves mobility, and reduces treatment time for patients.


Subject(s)
Brain Ischemia , Hyperbaric Oxygenation , Stroke , Humans , Hyperbaric Oxygenation/adverse effects , Brain Ischemia/complications , Brain Ischemia/therapy , Stroke/therapy , Case-Control Studies , Cerebral Infarction/therapy , Cerebral Infarction/complications , Paralysis/complications , Paralysis/therapy
4.
Explore (NY) ; 19(6): 861-864, 2023.
Article in English | MEDLINE | ID: mdl-37142473

ABSTRACT

INTRODUCTION: Research has demonstrated that electroacupuncture (EA) stimulation of paralyzed muscles significantly improves nerve regeneration and functional recovery. DESCRIPTION: An 81-year-old man with no history of diabetes mellitus or hypertension presented with a history of brainstem infarction. Initially, the patient had medial rectus palsy in the left eye and diplopia to the right in both eyes, which almost returned to normal after six sessions of EA. METHODS: The CARE guidelines informed the case study report. The patient was diagnosed with oculomotor nerve palsy (ONP) and photographed to document ONP recovery after treatment. The selected acupuncture points and surgical methods are listed in the table. DISCUSSION: Pharmacological treatment of oculomotor palsy is not ideal, and its long-term use has side effects. Although acupuncture is a promising treatment for ONP, existing treatments involve many acupuncture points and long cycles, resulting in poor patient compliance. We chose an innovative modality, electrical stimulation of paralyzed muscles, which may be an effective and safe complementary alternative therapy for ONP.


Subject(s)
Brain Stem Infarctions , Electroacupuncture , Intracranial Aneurysm , Oculomotor Nerve Diseases , Male , Humans , Aged, 80 and over , Electroacupuncture/adverse effects , Intracranial Aneurysm/complications , Intracranial Aneurysm/surgery , Oculomotor Nerve Diseases/therapy , Oculomotor Nerve Diseases/surgery , Brain Stem Infarctions/complications , Brain Stem Infarctions/therapy , Paralysis/therapy , Paralysis/complications
6.
Ideggyogy Sz ; 75(7-08): 247-252, 2022 Jul 30.
Article in English | MEDLINE | ID: mdl-35916611

ABSTRACT

Background and purpose: The incidence of brachial plexus palsy (BPP) has decreased recently, but the indivi-d-ual's quality of life is endangered. To provide better chan-ces to BPP neonates and infants, the Department of Developmental Neurology worked out, introduced, and applied a complex early therapy, including nerve point stimulation. Methods: After diagnosing the severity of BPP, early intensive and complex therapy should be started. Appro-x-imately after a week or ten days following birth, the slightest form (neurapraxia) normalizes without any intervention, and signs of recovery can be detected around this period. The therapy includes the unipolar nerve point electro-stimulation and the regular application of those elemen-tary sensorimotor patterns, which activate both extremities simultaneously. Results: With the guideline worked out and applied in the Department of Developmental Neurology, full recovery can be achieved in 50% of the patients, and even in the most severe cases (nerve root lesion), functional upper limb usage can be detected with typically developing body-scheme. Conclusion: Immediately starting complex treatment based on early diagnosis alters the outcome of BPP, providing recovery in the majority of cases and enhancing the everyday arm function of those who only partially benefit from the early treatment.


Subject(s)
Brachial Plexus Neuropathies , Brachial Plexus , Neonatal Brachial Plexus Palsy , Brachial Plexus Neuropathies/diagnosis , Brachial Plexus Neuropathies/therapy , Early Diagnosis , Humans , Infant , Infant, Newborn , Neonatal Brachial Plexus Palsy/diagnosis , Neonatal Brachial Plexus Palsy/therapy , Paralysis/diagnosis , Paralysis/etiology , Paralysis/therapy , Quality of Life
7.
Pediatr Neurol ; 125: 20-25, 2021 12.
Article in English | MEDLINE | ID: mdl-34624606

ABSTRACT

The treatment of functional neurological disorder (FND), previously referred to as conversion disorder, can be challenging. Despite these challenges and with increased understanding of this condition, new treatment options are emerging. One such treatment is hypnosis, which has a long history of use in the treatment of FND. Jean-Martin Charcot, considered by many to be the father of modern neurology, used therapeutic hypnosis as early as the 19th century. In this report, we discuss the novel use of a hypno-anesthetic technique (the magic glove) for treatment of FND presenting as diplegia. We illustrate the use of the technique with the case of a 9-year-old girl who suffered from chronic pain and lower extremity weakness secondary to FND. With the magic glove technique, she improved rapidly and was free of symptoms by her sixth month follow-up visit. We review the current literature on FND interventions and emphasize the need for continued research in this field.


Subject(s)
Anesthesia , Conversion Disorder/therapy , Hypnosis , Paralysis/therapy , Child , Female , Humans
8.
Neural Plast ; 2021: 6641506, 2021.
Article in English | MEDLINE | ID: mdl-33777135

ABSTRACT

Flaccid paralysis in the upper extremity is a severe motor impairment after stroke, which exists for weeks, months, or even years. Electroacupuncture treatment is one of the most widely used TCM therapeutic interventions for poststroke flaccid paralysis. However, the response to electroacupuncture in different durations of flaccid stage poststroke as well as in the topological configuration of the cortical network remains unclear. The objectives of this study are to explore the disruption of the cortical network in patients in different durations of flaccid stage and observe dynamic network reorganization during and after electroacupuncture. Resting-state networks were constructed from 18 subjects with flaccid upper extremity by partial directed coherence (PDC) analysis of multichannel EEG. They were allocated to three groups according to time after flaccid paralysis: the short-duration group (those with flaccidity for less than two months), the medium-duration group (those with flaccidity between two months and six months), and the long-duration group (those with flaccidity over six months). Compared with short-duration flaccid subjects, weakened effective connectivity was presented in medium-duration and long-duration groups before electroacupuncture. The long-duration group has no response in the cortical network during electroacupuncture. The global network measures of EEG data (sPDC, mPDC, and N) indicated that there was no significant difference among the three groups. These results suggested that the network connectivity reduced and weakly responded to electroacupuncture in patients with flaccid paralysis for over six months. These findings may help us to modulate the formulation of electroacupuncture treatment according to different durations of the flaccid upper extremity.


Subject(s)
Electroacupuncture/methods , Electroencephalography/methods , Paralysis/physiopathology , Paralysis/therapy , Stroke/physiopathology , Stroke/therapy , Adult , Aged , Beta Rhythm/physiology , Cross-Sectional Studies , Female , Humans , Male , Middle Aged , Paralysis/etiology , Pilot Projects , Stroke/complications
10.
Medicine (Baltimore) ; 99(27): e20974, 2020 Jul 02.
Article in English | MEDLINE | ID: mdl-32629711

ABSTRACT

BACKGROUND: Stroke is emerging as a significant health issue that threatens human health worldwide and as a common sequela of stroke spastic paralysis after stroke (SPAS) has received wide attention. Currently, several systematic reviews have suggested that the commonly used acupuncture therapy (electroacupuncture, fire acupuncture, warm acupuncture, and filiform needle acupuncture) has achieved significant efficacy in the treatment of SPAS. In this study, network meta-analysis will be used to analyze the results of different clinical trials and evaluate the differences in the efficacy of different acupuncture treatments for SPAS. METHODS: Only randomized controlled trials will be included and all patients were diagnosed as spastic paralysis after stroke. A computer-based retrieval will be conducted at CNKI, WanFang databases, VIP, Sinoed, Pubmed, Embase, Web of Science, and the Cochrane library. The search period limit is from the time the date of database establishment to April 17, 2020. To avoid omissions, we will manually retrieve relevant references and conference papers. The risk of bias in the final included studies will be evaluated based on the guidelines of the Cochrane Handbook for Systematic Reviews of Interventions. All data analysis will be conducted by Revman5.3, WinBUGS 1.4.3, and Stata14.2. RESULTS: This study quantified the effectiveness of each intervention for different outcome indicators. The primary outcomes include the Fugl-Meyer Assessment score, the modified Ashworth scale for the assessment of spasticity, and Barthel Index. The secondary outcomes include clinical effectiveness and adverse reactions. CONCLUSION: It will provide evidence-based medical evidence for clinicians to choose more effective acupuncture therapy for SPAS.


Subject(s)
Acupuncture Therapy/methods , Paralysis/therapy , Stroke/complications , Humans , Meta-Analysis as Topic , Muscle Spasticity/etiology , Paralysis/etiology , Systematic Reviews as Topic
11.
Article in English | MEDLINE | ID: mdl-31632737

ABSTRACT

Urtication and flagellation were used as a last resort in the treatment of paralysis when all other means were exhausted, and very few cases are reported in the literature. Two cases were identified and reviewed, one of urtication (flogging with nettles) and one of flagellation (beating with rods). In both cases the symptoms were alleviated, but there was insufficient detail to evaluate the therapeutic value of each treatment.


Subject(s)
Neurology/history , Paralysis/history , Paralysis/therapy , Animals , History, 15th Century , History, 16th Century , History, 17th Century , History, 18th Century , History, Ancient , History, Medieval , Humans , Urtica dioica , Violence
12.
Zhen Ci Yan Jiu ; 44(8): 589-93, 2019 Aug 25.
Article in Chinese | MEDLINE | ID: mdl-31475493

ABSTRACT

OBJECTIVE: To observe the clinical effect of early acupuncture treatment of limb paralysis in patients with traumatic brain injury (TBI) and changes of serum interleukin-6 (IL-6), brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF) levels, so as to explore its mechanism underlying improvement of TBI. METHODS: A total of 70 TBI inpatients were equally divided into a medication group and an acupuncture plus medication group according to a random number table. The medication contained intravenous drip of Mannitol Injection (125 mL, once every 8 h ) and Oxiracetam Injection (4 g, once a day). Starting 72 h after TBI, acupuncture therapy was applied to main points as Fenglong (ST40), Zusanli (ST36), Guanyuan (CV4), Baihui (GV20), Shuigou (GV26) and Fengchi (GB20), etc. The treatment was given once a day for total 28 days. Before and after the treatment, plasma IL-6, BDNF and NGF contents were detected using radioimmunoassay, the volume of the injured brain tissue was detected by using CT scan. The neurological deficit severity was evaluated by using Glasgow Coma Scale (GCS), and the degree of activity of daily living (ADL) ability was assessed by using simplified Fugl-Meyer assessment (FMA) scale, and modified Barthel index (BI), separately. RESULTS: After the treatment, the GCS score on day 28, FMA and ADL-BI scores on day 28 and 60 were significantly increased in both medication and acupuncture plus medication groups in comparison with their own pre-treatment (P<0.05). The focal volume values of the injured brain were significantly decreased on day 14 and 28 in both groups compared with their own pre-treatment (P<0.05). The therapeutic effect of acupuncture plus medication was obviously superior to that of simple medication in lowering focal injured volume on day 14 and 28, and in increasing FMA and ADL-BI scores on day 28 and 60 (P<0.05). Compared with pre-treatment, the levels of plasma IL-6 on day 3, 7 and 14 were significant decreased, and those of plasma BDNF and NGF on day 3, 7 and 14 considerably increased in both groups in comparison with their own pre-treatment (P<0.05). The therapeutic effect of acupuncture plus medication was evidently superior to that of simple medication in lowering IL-6 on day 3 and 7, and in increasing BDNF and NGF levels on day 3, 7 and 14 (P<0.05). CONCLUSION: Early acupuncture treatment can significantly improve the TBI patient's limb motor function and daily life activities, which may be related with its effects in reducing the inflammation and increasing BDNF and NGF levels.


Subject(s)
Acupuncture Therapy , Brain Injuries, Traumatic , Paralysis/therapy , Brain Injuries, Traumatic/complications , Brain-Derived Neurotrophic Factor , Humans , Interleukin-6 , Paralysis/etiology
13.
IEEE Int Conf Rehabil Robot ; 2019: 1153-1158, 2019 06.
Article in English | MEDLINE | ID: mdl-31374785

ABSTRACT

Individuals with paralyzed limbs due to spinal cord injuries lack the ability to perform the reaching motions necessary to every day life. Functional electrical stimulation (FES) is a promising technology for restoring reaching movements to these individuals by reanimating their paralyzed muscles. We have proposed using a quasi-static model-based control strategy to achieve reaching controlled by FES. This method uses a series of static positions to connect the starting wrist position to the goal. As a first step to implementing this controller, we have completed a simulated study using a MATLAB based dynamic model of the arm in order to determine the suitable parameters for the quasi-static controller. The selected distance between static positions in the path was 6 cm, and the amount of time between switching target positions was 1.3 s. The final controller can complete reaches of over 30 cm with a median accuracy of 6.8 cm.


Subject(s)
Arm/physiology , Paralysis/therapy , Wrist/physiology , Electric Stimulation Therapy , Humans , Muscle, Skeletal/physiology , Spinal Cord Injuries/physiopathology
14.
PLoS One ; 14(6): e0217675, 2019.
Article in English | MEDLINE | ID: mdl-31185015

ABSTRACT

AIM: To assess the health-related quality of life (HRQoL) and mental health of adolescents with cerebral palsy (CP) in rural Bangladesh. METHODS: Case-control study of adolescents with CP (10 to ≤18-years) and age and sex matched controls without disability. Primary caregivers were included for proxy report. HRQoL was measured with Bengali versions CP Quality of Life-Teens (CPQoL-Teens) and KIDSCREEN-27. Mental health was measured with Strengths and Difficulties Questionnaire (SDQ). RESULTS: 154 cases and 173 controls matched on age and sex participated (mean age 15.1 (1.6) and 14.9 (1.6) respectively; female n = 48, n = 55 respectively, p>0.05). CPQoL-Teens was administered to adolescents with CP only; mean outcomes ranged from 38.5 (27.4) to 71.5 (16.1) and 'feelings about functioning' was poorest domain for both self- and proxy-report groups. KIDSCREEN-27 was administered to adolescents with CP and controls; adolescents with CP mean outcomes ranged from 25.9 (12.2) to 48.7 (10.56) and were significantly poorer than controls, mean difference 4.3 (95% CI 0.7 to 7.8) to 16.7 (95% CI 14.5 to 18.5), p<0.05. 'Peers and social support' was poorest domain for all groups. In regards to mental health, adolescents with CP reported significantly poorer mean SDQ than peers without disability, mean difference 0.7 (95% CI 0.3 to 1.1) to 7.8 (95% CI 6.7 to 8.9), p<0.05; and were for self-report 7.8 (95% CI 2.6 to 23.0) and proxy-report 12.0 (95% CI 6.9 to 20.9) times more likely to report 'probable' range 'total difficulties' score. Individual item analysis of CPQoL-Teens and KIDSCREEN-27 identified unique areas of concern for adolescents with CP related to pain, friendships, physical activity and energy, what may happen later in life, and feelings about having CP. Financial resources were of concern for both cases and controls. INTERPRETATION: Adolescents with CP in rural Bangladesh are at high risk of poor HRQoL and mental health problems. Effort to reduce the disparity between adolescents with CP and those without disability should consider wellbeing holistically and target dimensions including physical, psychological and social wellbeing. Specific interventions to alleviate modifiable aspects of HRQoL including pain, social isolation, and physical in-activity are recommended.


Subject(s)
Mental Health , Paralysis/physiopathology , Quality of Life , Registries , Rural Population , Surveys and Questionnaires , Adolescent , Bangladesh/epidemiology , Case-Control Studies , Child , Delivery of Health Care , Female , Humans , Male , Paralysis/epidemiology , Paralysis/therapy
15.
Medicine (Baltimore) ; 98(10): e14750, 2019 Mar.
Article in English | MEDLINE | ID: mdl-30855470

ABSTRACT

BACKGROUND: Previous studies have reported that acupuncture combined Bobath approach (BA) can be used to treat limbs paralysis (LP) after hypertensive intracerebral hemorrhage (HICH) effectively. However, no systematic review has explored its effectiveness and safety for LP following HICH. In this systematic review, we aim to assess the effectiveness and safety of acupuncture plus BA for the treatment of LP following HICH. METHODS: The following 7 databases will be searched from their inception to the February 1, 2019: Cochrane Central Register of Controlled Trials, EMBASE, PUBMED, the Cumulative Index to Nursing and Allied Health Literature, the Allied and Complementary Medicine Database, Chinese Biomedical Literature Database, and China National Knowledge Infrastructure without any language restrictions. The randomized controlled trials (RCTs) of acupuncture plus BA that evaluate the effectiveness and safety for LP after HICH will be included. The methodological quality of all included studies will be assessed by using Cochrane risk of bias tool. Two authors will independently perform study selection, data extraction, and methodological quality evaluation. Any disagreements occurred between 2 authors will be resolved by a third author involved through discussion. Data will be pooled and analyzed by using RevMan 5.3 Software. RESULTS: This review will evaluate the effectiveness and safety of acupuncture combined BA for LP following HICH. The primary outcome is limbs function. The secondary outcomes are muscle strength, muscle tone, and quality of life, as well as the adverse events. CONCLUSION: The results of this study will summarize the latest evidence of acupuncture combined BA for LP following HICH.


Subject(s)
Acupuncture Therapy/methods , Extremities/physiopathology , Intracranial Hemorrhage, Hypertensive/complications , Paralysis , Physical Therapy Modalities , Humans , Paralysis/etiology , Paralysis/therapy , Systematic Reviews as Topic , Treatment Outcome
16.
Article in English | MEDLINE | ID: mdl-30745288

ABSTRACT

Bioelectronic medicine is a rapidly growing field that explores targeted neuromodulation in new treatment options addressing both disease and injury. New bioelectronic methods are being developed to monitor and modulate neural activity directly. The therapeutic benefit of these approaches has been validated in recent clinical studies in various conditions, including paralysis. By using decoding and modulation strategies together, it is possible to restore lost function to those living with paralysis and other debilitating conditions by interpreting and rerouting signals around the affected portion of the nervous system. This, in effect, creates a bioelectronic "neural bypass" to serve the function of the damaged/degenerated network. By learning the language of neurons and using neural interface technology to tap into critical networks, new approaches to repairing or restoring function in areas impacted by disease or injury may become a reality.


Subject(s)
Biosensing Techniques/trends , Brain/physiology , Electronics, Medical/trends , Neurons/physiology , Paralysis/therapy , Electric Stimulation Therapy , Forecasting , Humans , Paralysis/physiopathology , Synaptic Transmission
17.
Ned Tijdschr Geneeskd ; 1622018 May 04.
Article in Dutch | MEDLINE | ID: mdl-30040325

ABSTRACT

Around 1960, the Dutch clairvoyant Gerard Croiset (1909-1980) was consulted by 'people with symptoms - considered to be unexplained - such as paralysis or neurological disorders'. I searched the archive of the Johan Borgman Fund Foundation for the effect of Croiset's advice and treatment in patients with these symptoms who might have had the diagnosis of conversion disorder. Contrary to my expectations, Croiset treated no patients with conversion disorder. His advice and treatment were successful in patients with poliomyelitis, epilepsy, lumbar disc prolapse and infantile encephalopathy. Four of his patients had been insufficiently stimulated by the first person who treated them to improve their remaining muscular strength through exercise; symptoms of anxiety had not been investigated sufficiently in two patients; and in one patient the treating professional had adhered too rigidly to the set treatment. Alternative healers are apparently not only successful with patients with unexplained symptoms, and their success is not always the result of a placebo effect.


Subject(s)
Complementary Therapies/history , Somatoform Disorders/history , History, 20th Century , Humans , Nervous System Diseases/history , Nervous System Diseases/therapy , Paralysis/history , Paralysis/therapy , Somatoform Disorders/therapy
18.
Pan Afr Med J ; 27(Suppl 2): 3, 2017.
Article in English | MEDLINE | ID: mdl-28983391

ABSTRACT

INTRODUCTION: Despite the tremendous increase in the number of modern health institutions, traditional medical practices still remain alternative places of health care service delivery and important sites for disease notification in the disease surveillance system. The objectives of this study are to describe the patterns and factors associated with health care seeking behavior of parents and care takers with acute flaccid paralysis child and see how the traditional practice affect the surveillance system. METHODS: A cross-sectional descriptive study was conducted to assess the health seeking behavior of parents with an acute flaccid paralysis child. Data were collected throughout the country as a routine surveillance program. RESULTS: Of 1299 families analyzed, 907(69.3%) of families with AFP child first went to health institutions to seek medical care, while. 398 (30.7%) of parents took their child first to other traditional sites, including holy water sites (11.8%), traditional healers (9.1%) and prayer places (5.4%). Over half of the parents with AFP child reported practicing home measures before first seeking health service from modern health institutions. Home measures (OR, 0.1202, 95% CI 0.0804-0.1797), decision by relatives (OR, 0.5595, 95% CI 0.3665-0.8540) and More than 10km distance from health facility (OR, 0.5962, 95% CI, 0.4117-0.8634) were significantly associated to first seeking health service from health institutions (p<0.05). CONCLUSION: Program strategies must certainly be developed to expand and capture all traditional sites in the surveillance network, and intensify sensitization and active surveillance visit in these areas.


Subject(s)
Delivery of Health Care/methods , Paralysis/therapy , Patient Acceptance of Health Care/statistics & numerical data , Poliomyelitis/therapy , Acute Disease , Adolescent , Child , Child, Preschool , Cross-Sectional Studies , Delivery of Health Care/statistics & numerical data , Ethiopia , Humans , Male , Medicine, African Traditional/statistics & numerical data , Paralysis/etiology , Parents
19.
J Intern Med ; 282(1): 37-45, 2017 07.
Article in English | MEDLINE | ID: mdl-28419590

ABSTRACT

The human nervous system is a vast network carrying not only sensory and movement information, but also information to and from our organs, intimately linking it to our overall health. Scientists and engineers have been working for decades to tap into this network and 'crack the neural code' by decoding neural signals and learning how to 'speak' the language of the nervous system. Progress has been made in developing neural decoding methods to decipher brain activity and bioelectronic technologies to treat rheumatoid arthritis, paralysis, epilepsy and for diagnosing brain-related diseases such as Parkinson's and Alzheimer's disease. In a recent first-in-human study involving paralysis, a paralysed male study participant regained movement in his hand, years after his injury, through the use of a bioelectronic neural bypass. This work combined neural decoding and neurostimulation methods to translate and re-route signals around damaged neural pathways within the central nervous system. By extending these methods to decipher neural messages in the peripheral nervous system, status information from our bodily functions and specific organs could be gained. This, one day, could allow real-time diagnostics to be performed to give us a deeper insight into a patient's condition, or potentially even predict disease or allow early diagnosis. The future of bioelectronic medicine is extremely bright and is wide open as new diagnostic and treatment options are developed for patients around the world.


Subject(s)
Biosensing Techniques , Biotechnology , Brain/physiology , Electronics, Medical , Neurons/physiology , Paralysis/physiopathology , Paralysis/therapy , Biosensing Techniques/trends , Biotechnology/trends , Electric Stimulation Therapy , Electronics, Medical/trends , Forecasting , Humans , Synaptic Transmission
20.
Eur Arch Otorhinolaryngol ; 274(1): 327-336, 2017 Jan.
Article in English | MEDLINE | ID: mdl-27435593

ABSTRACT

The study aim was to identify and analyze intramuscular electrically sensitive points. Electrically sensitive points are herein defined as positions, which allow muscles stimulation with a minimum possible fatigue for a maximum amount of time. A multichannel array electrode was used which could be interesting to retain the function of larynx muscle after paralysis. Eight array electrodes were implanted in the triceps brachii muscle of four rats. While being under anesthesia, the animals were intramuscularly stimulated at 16 different positions. Sihler's staining technique was used to make visible the nerves routes and the intramuscular position of the individual electrode plate. The positions of the motor end plates were determined by means of multichannel-electromyography. The positions that allow longest stimulation periods are located close to the points where the nerves enter the muscle. Stimulation at the position of the motor end plates does not result in stimulation periods above average. Locations initially causing strong muscle contractions are not necessarily identical to the ones allowing long stimulation periods. The animal model identified the stimulation points for minimal possible muscle fatigue stimulation as being located close to the points of entrance of the nerve into the muscle. Stimulation causing an initially strong contraction response is no indication of optimal location of the stimulation electrode in terms of chronic stimulation. The array electrode of this study could be interesting as a stimulation electrode for a larynx pacemaker.


Subject(s)
Electric Stimulation Therapy , Electric Stimulation , Electrodes , Laryngeal Muscles/physiopathology , Laryngeal Nerves/physiopathology , Paralysis , Animals , Disease Models, Animal , Electric Stimulation/instrumentation , Electric Stimulation/methods , Electric Stimulation Therapy/instrumentation , Electric Stimulation Therapy/methods , Electromyography/methods , Male , Muscle Contraction/physiology , Muscle Hypotonia , Paralysis/physiopathology , Paralysis/therapy , Rats
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