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https://www.readbyqxmd.com/read/28538252/concurrent-paraspinous-myopathy-and-myasthenia-gravis
#1
Alissa E Romano, Zaid Al-Qudah, Henry J Kaminski, Bashar Katirji, Karim Salame
Paraspinous myopathy is a rare neuromuscular disorder characterized by selective involvement of the cervical, thoracic, or lumbar muscles. Leading clinical features include a bent spine or dropped head (antecollis). In myasthenia gravis (MG), patients may have camptocormia secondary to neuromuscular junction dysfunction of the paraspinal muscles, and this condition usually responds to acetylcholinesterase inhibitors or immunosuppressive treatments. However, concomitant MG and paraspinous myopathy with histologic and electrophysiologic evidence of myopathic changes of the paraspinal muscles has only been reported twice in the literature...
June 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/28528892/hot-chicks-cold-feet
#2
Randi Oppermann Moe, Jon Bohlin, Andreas Flø, Guro Vasdal, Solveig Marie Stubsjøen
Infrared thermography (IRT) is increasingly applied as a noninvasive technique for measuring surface body temperature alterations related to e.g. stress, emotions and leg pathologies in avian species. As a basis for the validation of IRT as a future tool for veterinary diagnostics such as detection and/or prediction of subclinical footpad pathologies in broiler chickens, this study explored effects of manual restraint at two different ages on footpad temperatures. Head region temperatures were applied as additional measures of emotional arousal and stress...
May 18, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28522107/differences-in-neurohumoral-and-hemodynamic-response-to-prolonged-head-up-tilt-between-patients-with-high-and-normal-standing-norepinephrine-forms-of-postural-orthostatic-tachycardia-syndrome
#3
Luka Crnošija, Magdalena Krbot Skorić, Mila Lovrić, Anamari Junaković, Vladimir Miletić, Rujana Šprljan Alfirev, Antun Pavelić, Ivan Adamec, Mario Habek
OBJECTIVE: To investigate the optimal timing for blood sample collection of catecholamines and the possible correlations between neurohumoral and hemodynamic responses to prolonged head-up tilt (HUT) in postural orthostatic tachycardia syndrome (POTS). METHODS: Nineteen patients underwent a 30-minute, 70° HUT test. Blood samples (norepinephrine (NE), epinephrine and dopamine) were taken in the 10th minute of supine, and 10th, 20th and 30th minutes of HUT. RESULTS: There were no significant differences in the proportion of high and normal standing NE patients in the different time points...
May 11, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28514501/intraarticular-capacity-of-the-elbow-joint
#4
Mathias van den Broek, Roger van Riet
INTRODUCTION: The intraarticular capacity of the elbow joint is reported to be 23 ± 4ml on cadaveric elbows. During years, this value was the standard. The aim of this observational study was to reanalyze the volume of the elbow joint on live patients. MATERIALS AND METHODS: Measurement of the intraarticular capacity and pressure of the elbow joint was performed on 30 patients (mean age: 43.8 years) undergoing elbow arthroscopy. Intra-articular capacity was recorded when the elbow moved to the maximum lose packed position and/or when there was a sudden drop in pressure, indicating a capsular rupture (maximum capacity)...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28506263/mindfulness-based-stress-reduction-in-parkinson-s-disease-a-systematic-review
#5
G McLean, M Lawrence, R Simpson, S W Mercer
BACKGROUND: Mindfulness based stress reduction (MBSR) is increasingly being used to improve outcomes such as stress and depression in a range of long-term conditions (LTCs). While systematic reviews on MBSR have taken place for a number of conditions there remains limited information on its impact on individuals with Parkinson's disease (PD). METHODS: Medline, Central, Embase, Amed, CINAHAL were searched in March 2016. These databases were searched using a combination of MeSH subject headings where available and keywords in the title and abstracts...
May 15, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28506261/a-possible-role-of-low-regulatory-t-cells-in-anti-acetylcholine-receptor-antibody-positive-myasthenia-gravis-after-bone-marrow-transplantation
#6
Masahiko Fukatsu, Takenobu Murakami, Hiroshi Ohkawara, Shunichi Saito, Kazuhiko Ikeda, Suguru Kadowaki, Itaru Sasaki, Mari Segawa, Tomoko Soeda, Akihiko Hoshi, Hiroshi Takahashi, Akiko Shichishima-Nakamura, Kazuei Ogawa, Yoshihiro Sugiura, Hitoshi Ohto, Yasuchika Takeishi, Takayuki Ikezoe, Yoshikazu Ugawa
BACKGROUND: Chronic graft-versus-host disease (GVHD) appears several months following allogenic hematopoietic stem cell transplantation (HSCT) and is clinically analogous to autoimmune disorder. Polymyositis is a common neuromuscular disorder in chronic GVHD, but myasthenia gravis (MG) is extremely rare. Hence, its pathophysiology and treatment have not been elucidated. CASE PRESENTATION: A 63-year-old man with a history of chronic GVHD presented with ptosis, dropped head, and dyspnea on exertion, which had worsened over the previous several months...
May 15, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28498020/cell-cycle-genes-are-activated-earlier-than-respiratory-genes-during-release-of-grapevine-buds-from-endodormancy
#7
Ximena Noriega, Francisco J Pérez
Single-bud cuttings of Vitis vinifera L exposed to forced growing conditions were used to investigate the involvement of phytohormones, abscisic acid (ABA), auxin (Aux) and cytokinin (CK) in the release of buds from the ED and in bud-sprouting. This artificial system imitates and hastens the natural sprouting that occurs in spring. Temporal expression analysis of genes related to phytohormones synthesis, showed an early drop in the expression of ABA biosynthesis gene that preceded an increase in Aux and CK biosynthesis genes...
May 12, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28495608/short-term-caloric-restriction-exerts-neuroprotective-effects-following-mild-traumatic-brain-injury-by-promoting-autophagy-and-inhibiting-astrocyte-activation
#8
Yuan Liu, Rong Wang, Zhiwei Zhao, Wen Dong, Xu Zhang, Xi Chen, Lina Ma
Cognitive deficits may occur after mild traumatic brain injury (mTBI), but effective treatment modalities are presently unavailable. Caloric restriction (CR) has beneficial effects on neurodegenerative diseases and brain injury. However, the underlying mechanisms have not yet been clearly defined. Therefore, the aim of the present study was to investigate the short-term effects of CR treatment on cognitive function in mice after mTBI. Forty-five 12-week-old C57/BL6 mice were subjected to closed-head mTBI using a weight drop device...
May 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28489683/intraoperative-use-of-vasopressors-does-not-increase-the-risk-of-free-flap-compromise-and-failure-in-cancer-patients
#9
Lin Fang, Jun Liu, Cuicui Yu, Matthew M Hanasono, Gang Zheng, Peirong Yu
OBJECTIVE: To examine the effects of vasopressors on free flap outcomes. BACKGROUND: Most micro-surgeons avoid the use of vasopressors during free flap surgery due to concerns of vasoconstriction, which could potentially lead to vascular thrombosis and flap failure. Previous studies lack the statistical power to draw meaningful conclusions. METHODS: All free flaps between 2004 and 2014 from a single institution were reviewed retrospectively...
May 9, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28473922/dropped-head-and-man-in-barrel-syndrome-in-amyotrophic-lateral-sclerosis
#10
Rui Almeida, Ana Catarina Felix, Ana Luísa André, Hipólito Nzwalo
We report a case of progressive symmetric brachial weakness followed by cervical muscle weakness. The electromyogram confirmed the diagnosis of amyotrophic lateral sclerosis. After 3 years the patient remained able to walk unassisted and without significant bulbar manifestations or upper neuron signs. The concomitant presence of dropped head syndrome and man-in-barrel syndrome in an amyotrophic lateral sclerosis patient makes our case unique.
April 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28470824/ontogenetic-shifts-of-heart-position-in-snakes
#11
Harvey B Lillywhite, Steven M Lillywhite
Heart position relative to total body length (TL) varies among snakes, with anterior hearts in arboreal species and more centrally located hearts in aquatic or ground-dwelling species. Anterior hearts decrease the cardiac work associated with cranial blood flow and minimize drops in cranial pressure and flow during head-up climbing. Here, we investigate whether heart position shifts intraspecifically during ontogenetic increases in TL. Insular Florida cottonmouth snakes, Agkistrodon conanti, are entirely ground-dwelling and have a mean heart position that is 33...
May 3, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28466203/efficiency-of-oxygen-delivery-through-different-oxygen-entrainment-devices-during-sedation-under-low-oxygen-flow-rate-a-bench-study
#12
Wei-Chih Hsu, Joe Orr, Shih-Pin Lin, Lu Yu, Mei-Yung Tsou, Dwayne R Westenskow, Chien-Kun Ting
Sedative anesthetic procedures outside the operating room may depend on cylinders as oxygen source. Cylinders have limited storage capacity and a low oxygen flow rate improves the durability. We conducted the bench study to evaluate the fraction of inspired oxygen (FiO2) in different oxygen entrainment devices under low oxygen flow rate. The purpose of the bench study was to provide information to choose appropriate oxygen entrainment devices in non-operating room sedative anesthetic procedures. We utilized a manikin head-test lung-ventilator model and evaluated eight oxygen entrainment devices, including four nasal cannulas, two oral bite blocks, and two masks...
May 2, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28463695/influence-of-the-compliance-of-a-patient-s-body-on-the-head-taper-fixation-strength-of-modular-hip-implants
#13
Annika Krull, Nicholas E Bishop, Niels M Steffen, Frank Lampe, Klaus Püschel, Michael M Morlock
BACKGROUND: The strength of the modular fixation between head and stem taper of total hip replacement implants should be sufficient to minimise relative motion and prevent corrosion at the interface. Intraoperatively the components are assembled by impaction with a hammer. It is unclear whether the effective compliance of the patient's body modifies the strength of the taper interface under impaction assembly. The purpose of this study was to assess the influence of the compliance of the patient's body on the taper fixation strength...
April 25, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28461271/the-protective-effect-of-omeprazole-against-traumatic-brain-injury-an-experimental-study
#14
Rafet Özay, Mehmet Erhan Türkoğlu, Bora Gürer, Habibullah Dolgun, Oya Evirgen, Berrin İmge Ergüder, Nazlı Hayırlı, Levent Gürses, Zeki Şekerci
BACKGROUND: The development of secondary brain injury via oxidative stress after traumatic brain injury (TBI) is a well known entity. Consequently, the aim of the present study was to evaluate the role of omeprazole (OM) on rat model of TBI. METHODS: A total of 24 male rats were used and divided into four groups as follows; control, trauma, OM, and methylprednisolone (MP). The trauma, OM and MP groups were subjected to closed-head contusive weight-drop injuries...
April 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28449909/head-drops-electromyography-may-give-the-way
#15
Elena Antelmi, Giuseppe Plazzi
No abstract text is available yet for this article.
May 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28437708/primary-secondary-and-tertiary-prevention-of-human-papillomavirus-driven-head-and-neck-cancers
#16
REVIEW
Haïtham Mirghani, Alain C Jung, Carole Fakhry
Human papillomavirus (HPV)-driven oropharyngeal cancers (OPCs) represent an increasing proportion of head and neck cancers that could become, in the next few decades, a public health problem in certain western countries. This significant epidemiological change strongly calls for preventive measures. Prophylactic HPV vaccination and screening programmes for early identification and treatment of premalignant lesions are currently being used to reduce the incidence of uterine cervical cancer, which is the paradigm of HPV-driven malignancy...
April 19, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28417146/repeated-mild-traumatic-brain-injury-in-female-rats-increases-lipid-peroxidation-in-neurons
#17
Nathanael J Yates, Stephen Lydiard, Brooke Fehily, Gillian Weir, Aaron Chin, Carole A Bartlett, Jacqueline Alderson, Melinda Fitzgerald
Negative outcomes of mild traumatic brain injury (mTBI) can be exacerbated by repeated insult. Animal models of repeated closed-head mTBI provide the opportunity to define acute pathological mechanisms as the number of mTBI increases. Furthermore, little is known about the effects of mTBI impact site, and how this may affect brain function. We use a closed head, weight drop model of mTBI that allows head movement following impact, in adult female rats to determine the role of the number and location of mTBI on brain pathology and behaviour...
April 17, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28397260/influence-of-euthanasia-method-on-blood-and-gill-variables-in-normoxic-and-hypoxic-gulf-killifish-fundulus-grandis
#18
K F Larter, B B Rees
In many experiments, euthanasia, or humane killing, of animals is necessary. Some methods of euthanasia cause death through cessation of respiratory or cardiovascular systems, causing oxygen levels of blood and tissues to drop. For experiments where the goal is to measure the effects of environmental low oxygen (hypoxia), the choice of euthanasia technique, therefore, may confound the results. This study examined the effects of four euthanasia methods commonly used in fish biology (overdose of MS-222, overdose of clove oil, rapid cooling and blunt trauma to the head) on variables known to be altered during hypoxia (haematocrit, plasma cortisol, blood lactate and blood glucose) or reflecting gill damage (trypan blue exclusion) and energetic status (ATP, ADP and ATP:ADP) in Gulf killifish Fundulus grandis after 24 h exposure to well-aerated conditions (normoxia, 7·93 mg O2  l(-1) , c...
April 11, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28376701/mild-and-mild-to-moderate-traumatic-brain-injury-tbi-induced-significant-progressive-and-enduring-multiple-comorbidities
#19
Jiamei Hou, Rachel Nelson, Zachary Wilkie, Golam Mustafa, Shigeharu Tsuda, Floyd J Thompson, Prodip K Bose
Traumatic brain injury (TBI) can produce life-long disabilities including anxiety, cognitive, balance, and motor deficits. The experimental model of closed head TBI (cTBI) induced by weight drop / impact acceleration is known to produce hallmark TBI injuries. However, comprehensive long-term characterization of co-morbidities induced by graded mild to mild/moderate intensities using this experimental cTBI model has not been reported. The present study used two intensities of weight drop (1.0 m and 1.25 m/450 g) to produce cTBI in a rat model to investigate initial and long-term disability of four comorbidities: anxiety, cognitive, vestibulomotor, and spinal reflex that related to spasticity...
April 4, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28376439/subclinical-peroneal-neuropathy-a-common-unrecognized-and-preventable-finding-associated-with-a-recent-history-of-falling-in-hospitalized-patients
#20
Louis H Poppler, Andrew P Groves, Gina Sacks, Anchal Bansal, Kristen M Davidge, Jenifer A Sledge, Heidi Tymkew, Yan Yan, Jessica M Hasak, Patricia Potter, Susan E Mackinnon
PURPOSE: Identification of modifiable risk factors for falling is paramount in reducing the incidence and morbidity of falling. Peroneal neuropathy with an overt foot drop is a known risk factor for falling, but research into subclinical peroneal neuropathy (SCPN) resulting from compression at the fibular head is lacking. The purpose of our study was to determine the prevalence of SCPN in hospitalized patients and establish whether it is associated with a recent history of falling. METHODS: We conducted a cross-sectional study of 100 medical inpatients at a large academic tertiary care hospital in St Louis, Missouri...
November 2016: Annals of Family Medicine
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