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Spinal cord respiratory

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https://www.readbyqxmd.com/read/28895054/a-neuron-specific-gene-therapy-relieves-motor-deficits-in-pompe-disease-mice
#1
Ni-Chung Lee, Wuh-Liang Hwu, Shin-Ichi Muramatsu, Darin J Falk, Barry J Byrne, Chia-Hao Cheng, Nien-Chu Shih, Kai-Ling Chang, Li-Kai Tsai, Yin-Hsiu Chien
In Pompe disease, deficient lysosomal acid α-glucosidase (GAA) activity causes glycogen accumulation in the muscles, which leads to weakness, cardiomyopathy, and respiratory failure. Although glycogen accumulation also occurs in the nervous system, the burden of neurological deficits in Pompe disease remains obscure. In this study, a neuron-specific gene therapy was administered to Pompe mice through intracerebroventricular injection of a viral vector carrying a neuron-specific promoter. The results revealed that gene therapy increased GAA activity and decreased glycogen content in the brain and spinal cord but not in the muscles of Pompe mice...
September 11, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28891509/role-of-the-medullary-lateral-tegmental-field-in-sympathetic-control
#2
Michael George Zaki Ghali
The sympathetic nervous system maintains and regulates arterial pressure and tissue perfusion, via control of cardiac output and vasomotor tone. Sympatho-vascular-mediated increases in blood pressure are effected by arterioloconstriction, which causes an increase in afterload, and/or venoconstriction, which increases venous return, left ventricular preload, and consequently, the force of cardiac contraction via Frank-Starling mechanisms; withdrawal of sympathetic drive elicits reciprocal effects. Spinalization reduces mammalian arterial pressure to 40-50 mm Hg consequent to the elimination of descending medullary pre-sympathetic bulbospinal drive to preganglionic sympathetic fibers in the intermediolateral cell column of the spinal cord...
2017: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/28885343/risk-factors-and-the-surgery-affection-of-respiratory-complication-and-its-mortality-after-acute-traumatic-cervical-spinal-cord-injury
#3
Xiao-Xiong Yang, Zong-Qiang Huang, Zhong-Hai Li, Dong-Feng Ren, Jia-Guang Tang
The aim of this study is to estimate the risk factors of both respiratory complication (RC) and mortality after acute traumatic cervical spinal cord injury (TCSCI). Between July 2005 and July 2015, in 181 patients (142 males and 39 females; mean age 41.0 years) with acute TCSCI, we compared the difference and odds ratio in RC group (n = 73) with that of non-RC group (n = 108), and also death group (n = 15) and survival group (n = 166). We collected injury-related information after half a year of injury, which is as follows: the causes of injury, time of surgery, ICU (intensive care unit) days, ventilator days, ASIA (American Spinal Injury Association) classification, neurological injury, CIPS (Clinical Pulmonary Infection Score), and BMI (body mass index)...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28875540/the-physiological-motor-patterns-produced-by-neurons-in-the-nucleus-retroambiguus-in-the-rat-and-their-modulation-by-vagal-peripheral-chemosensory-and-nociceptive-stimulation
#4
Hari H Subramanian, Zheng-Gui Huang, Peter A Silburn, Ron J Balnave, Gert Holstege
The nucleus retroambiguus (NRA) is a neuronal cell group in the medullary ventrolateral tegmentum, rostrocaudally between the obex and the first cervical spinal segment. NRA neurons are premotor interneurons with direct projections to the motoneurons of soft palate, pharynx and larynx in the nucleus ambiguus in the lateral medulla as well as to the motoneurons in the spinal cord innervating diaphragm, abdominal, and pelvic floor muscles and the lumbosacral motoneurons generating sexual posture. These NRA premotor interneurons receive very strong projections from the periaqueductal gray (PAG) in the context of basic survival mechanisms as fight, flight, freezing, sound production and sexual behavior...
September 5, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28874089/outcome-of-surgeon-modified-fenestrated-branched-stent-grafts-for-symptomatic-complex-aortic-pathologies-or-contained-rupture
#5
Nikolaos Tsilimparis, Franziska Heidemann, Fiona Rohlffs, Holger Diener, Sabine Wipper, E Sebastian Debus, Tilo Kölbel
PURPOSE: To analyze the outcome of surgeon-modified fenestrated and branched stent-grafts (sm-FBSG) in high-risk patients with symptomatic complex aortic pathology or contained rupture. METHODS: A single-center retrospective analysis was conducted of 21 consecutive patients (mean age 70 years, range 58-87; 16 men) treated with a sm-FBSG from April 2014 to September 2016. The indications included 11 thoracoabdominal and 10 pararenal aortic pathologies, which presented as symptomatic in 8 and as contained rupture in 13 patients...
September 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28871981/inversed-planned-respiratory-phase-gating-in%C3%A2-lung-conformal-radiation-therapy
#6
Arezoo Modiri, Pouya Sabouri, Xuejun Gu, Robert Timmerman, Amit Sawant
PURPOSE: To assess whether the optimal gating window for each beam during lung radiation therapy with respiratory gating will be dependent on a variety of patient-specific factors, such as tumor size and location and the extent of relative tumor and organ motion. METHODS AND MATERIALS: To create optimal gating treatment plans, we started from an optimized clinical plan, created a plan per respiratory phase using the same beam arrangements, and used an inverse planning optimization approach to determine the optimal gating window for each beam and optimal beam weights (ie, monitor units)...
October 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28856978/traumatic-spinal-cord-injury-in-the-north-east-tanzania-describing-incidence-etiology-and-clinical-outcomes-retrospectively
#7
Haleluya Moshi, Gunnevi Sundelin, Klas-Göran Sahlen, Ann Sörlin
BACKGROUND: Causes, magnitude and consequences of traumatic spinal cord injury depend largely on geography, infrastructure, socioeconomic and cultural activities of a given region. There is a scarcity of literature on profile of traumatic spinal cord injury to inform prevention and rehabilitation of this health condition in African rural settings, particularly Tanzania. OBJECTIVE: To describe the incidence, etiology and clinical outcomes of traumatic spinal cord injury and issues related to retrospective study in underdeveloped setting...
2017: Global Health Action
https://www.readbyqxmd.com/read/28855045/acute-flaccid-myelitis-in-german-children-in-2016-the-return-of-polio
#8
Johannes Hübner, Bernd Kruse, Hans-Jürgen Christen, Jürgen Weidenmann, Viktoria Weiner, Jan-Christoph Schöne-Bake, Anna Eichinger, Sabine Diedrich, Wolfgang Müller-Felber
BACKGROUND: Although poliomyelitis has almost been eradicated worldwide, cases of a polio-like disease with asymmetrical flaccid paralysis of variable severity have been seen repeatedly in recent years. METHODS: Data were collected on children treated in hospitals in the German federal states of Bavaria and Lower Saxony in 2016. The frequency of disease across Germany was estimated on the basis of voluntary reporting to the Robert Koch Institute. 16 cases were registered there for the entire year 2016...
August 21, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28842910/how-to-wire-the-diaphragm-wholemount-staining-methods-to-analyze-mammalian-respiratory-innervation
#9
Maximilian Michael Saller, Paolo Alberton, Andrea B Huber, Rosa-Eva Huettl
Direct or indirect impairment of breathing in humans by diseases or environmental factors can either cause long-term disability and pain, or can ultimately result in death. Automatic respiratory centers in the brainstem control the highly structured process of breathing and signal to a specialized group of motor neurons in the cervical spinal cord that constitute the phrenic nerves. In mammals, the thoracic diaphragm separates the thorax from the abdomen and adopts the function of the primary respiratory musculature...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28832294/-acute-flaccid-myelitis-after-a-respiratory-tract-infection-first-dutch-case-related-to-enterovirus-type-d68-infection
#10
J Helfferich, E M Kingma, L C Meiners, E H Schölvinck, H D Mulder, O F Brouwer
BACKGROUND: Acute flaccid myelitis (AFM) is a relatively rare disorder affecting the anterior horn of the spinal cord and brain stem. It is characterised by rapid progressive weakness of the limbs and respiratory muscles, often combined with cranial nerve dysfunction. This used to be seen in infections with the polio virus, but in recent years, AFM has been mainly associated with enterovirus D68 infection. CASE DESCRIPTION: A boy of nearly 4 years-old developed rapidly progressive weakness and respiratory failure after an upper airway infection...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28827209/plasma-leptin-and-reduced-fev1-and-fvc-in-chronic-spinal-cord-injury
#11
Eric Garshick, Palak Walia, Rebekah Goldstein, Merilee Teylan, Antonio Lazzari, Carlos G Tun, Jaime E Hart
BACKGROUND: Adipose tissue produces leptin, which is pro-inflammatory, and adiponectin, which has anti-inflammatory properties. Participants with chronic spinal cord injury (SCI) have increased body fat and are at increased risk for respiratory illness. OBJECTIVE: To assess associations between leptin and adiponectin with pulmonary function in a chronic SCI cohort. DESIGN: Cross-sectional study. SETTING: Veterans Affairs Medical Center...
August 18, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28814632/intermittent-apnea-elicits-inactivity-induced-phrenic-motor-facilitation-via-a-retinoic-acid-and-protein-synthesis-dependent-pathway
#12
Nathan A Baertsch, Tracy L Baker
Respiratory motoneuron pools must provide rhythmic inspiratory drive that is robust and reliable, yet dynamic enough to respond to respiratory challenges. One form of plasticity that is hypothesized to contribute to motor output stability by sensing and responding to inadequate respiratory neural activity is inactivity-induced phrenic motor facilitation (iPMF), an increase in inspiratory output triggered by a reduction in phrenic synaptic inputs. Evidence suggests that mechanisms giving rise to iPMF differ depending on the pattern of reduced respiratory neural activity (i...
August 16, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28810847/fev1-and-fvc-and-systemic-inflammation-in-a-spinal-cord-injury-cohort
#13
Jaime E Hart, Rebekah Goldstein, Palak Walia, Merilee Teylan, Antonio Lazzari, Carlos G Tun, Eric Garshick
BACKGROUND: Systemic inflammation has been associated with reduced pulmonary function in individuals with and without chronic medical conditions. Individuals with chronic spinal cord injury (SCI) have clinical characteristics that promote systemic inflammation and also have reduced pulmonary function. We sought to assess the associations between biomarkers of systemic inflammation with pulmonary function in a chronic SCI cohort, adjusting for other potential confounding factors. METHODS: Participants (n = 311) provided a blood sample, completed a respiratory health questionnaire, and underwent spirometry...
August 15, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28804760/autopsy-case-of-the-c12orf65-mutation-in-a-patient-with-signs-of-mitochondrial-dysfunction
#14
Hideaki Nishihara, Masatoshi Omoto, Masaki Takao, Yujiro Higuchi, Michiaki Koga, Motoharu Kawai, Hiroo Kawano, Eiji Ikeda, Hiroshi Takashima, Takashi Kanda
OBJECTIVE: To describe the autopsy case of a patient with a homozygous 2-base deletion, c171_172delGA (p.N58fs), in the C12orf65 gene. METHODS: We described the clinical history, neuroimaging data, neuropathology, and genetic analysis of the patients with C12orf65 mutations. RESULTS: The patient was a Japanese woman with a history of delayed psychomotor development, primary amenorrhea, and gait disturbance in her 20s. She was hospitalized because of respiratory failure at the age of 60...
August 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28802811/effects-of-respiratory-training-on-heart-rate-variability-and-baroreflex-sensitivity-in-individuals-with-chronic-spinal-cord-injury
#15
Bonnie E Legg Ditterline, Sevda C Aslan, David C Randall, Susan J Harkema, Camilo Castillo, Alexander V Ovechkin
OBJECTIVE: To evaluate the effects of pressure threshold respiratory training (RT) on heart rate variability and baroreflex sensitivity in persons with chronic spinal cord injury (SCI). DESIGN: Before-after intervention case-controlled clinical study. SETTING: SCI research center and outpatient rehabilitation unit. PARTICIPANTS: Persons with chronic SCI ranging from C2 to T11 that participated in RT (n=24) and untrained chronic SCI controls ranging from C2 to T9 (n=20)...
August 9, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28798877/previously-undiagnosed-spinal-and-bulbar-muscular-atrophy-as-a-cause-of-airway-obstruction-after-robot-assisted-laparoscopic-prostatectomy
#16
Miyuki Niki, Taihei Tachikawa, Yuka Sano, Hiroki Miyawaki, Aisa Matoi, Yukari Okano, Nobutaka Kariya, Tsuneo Tatara, Munetaka Hirose
BACKGROUND: Preoperative vocal cord paralysis is a risk factor for postoperative respiratory distress following extubation after general anesthesia. We present an unusual case where a geriatric patient developed airway obstruction after robot-assisted laparoscopic prostatectomy. CASE PRESENTATION: A 67-year-old male, who had suffered from left vocal cord paralysis of unknown etiology, was scheduled for robot-assisted laparoscopic prostatectomy (RALP). General anesthesia was performed without any problems...
2017: Case Reports in Anesthesiology
https://www.readbyqxmd.com/read/28798719/fulminant-acute-ascending-hemorrhagic-myelitis-treated-with-eculizumab
#17
Nang Boe Ohnmar Hsam, Klemens Angstwurm, Sebastian Peters, Kornelius Fuchs, Gerhard Schuierer, Ulrich Bogdahn, Robert Weissert
We describe an 18-year-old patient who developed back pain, rapidly ascending sensomotory deficits, bladder dysfunction, Lhermitte's sign, absent abdominal reflexes of all three levels, brisk tendon reflexes, and positive Babinski's sign. Magnetic resonance imaging of the spinal cord showed a long segment of cervical and thoracic intramedullary signal hyperintensity suggesting a longitudinally extensive transverse myelitis possibly within the course of a fast progressing ascending immune-mediated hemorrhagic myelopathy...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28781176/electrical-neuromodulation-of-the-respiratory-system-after-spinal-cord-injury
#18
REVIEW
Jan T Hachmann, Peter J Grahn, Jonathan S Calvert, Dina I Drubach, Kendall H Lee, Igor A Lavrov
Spinal cord injury (SCI) is a complex and devastating condition characterized by disruption of descending, ascending, and intrinsic spinal circuitry resulting in chronic neurologic deficits. In addition to limb and trunk sensorimotor deficits, SCI can impair autonomic neurocircuitry such as the motor networks that support respiration and cough. High cervical SCI can cause complete respiratory paralysis, and even lower cervical or thoracic lesions commonly result in partial respiratory impairment. Although electrophrenic respiration can restore ventilator-independent breathing in select candidates, only a small subset of affected individuals can benefit from this technology at this moment...
September 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28775367/abdominal-functional-electrical-stimulation-to-improve-respiratory-function-after-spinal-cord-injury-a-systematic-review-and-meta-analysis
#19
E J McCaughey, R J Borotkanics, H Gollee, R J Folz, A J McLachlan
This corrects the article DOI: 10.1038/sc.2016.31.
August 2017: Spinal Cord
https://www.readbyqxmd.com/read/28765886/exogenous-spermine-preserves-mitochondrial-bioenergetics-via-regulating-src-kinase-signaling-in-the-spinal-cord
#20
Rui Zhang, Xin-Nan Ma, Kai Liu, Lei Zhang, Meng Yao
Regulation of mitochondrial metabolism is becoming an important target in inhibiting necrosis and apoptosis following secondary spinal cord injury, and physiological compounds that reduce mitochondrial dysfunction are regarded as efficient protective reagents following injury. It has been demonstrated that spermine, a polyamine composed of four primary amines, may be taken up by a mitochondria‑specific uniporter and may preserve mitochondrial bioenergetics, suggesting that it may be important in the pathophysiology of mitochondria...
September 2017: Molecular Medicine Reports
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