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https://www.readbyqxmd.com/read/29351050/hidden-medical-devices-in-the-school-setting-what-the-school-nurse-needs-to-know-about-the-safe-use-of-baclofen-pumps
#1
Barbara Obst, Megan Roesler
One of the "hidden" medical devices in the school setting is the baclofen pump, which is used for the treatment of spasticity. The goals of spasticity treatment are to decrease muscle tone, deformity, and pain in order to maximize function and ease of care for both child and caregiver. The use of an intrathecal baclofen pump, often for children with cerebral palsy, spinal cord injury, brain injury, or stroke, has been effective in spasticity treatment. It is important for school nurses to be aware of the safety implications associated with this type of device...
January 1, 2018: NASN School Nurse
https://www.readbyqxmd.com/read/29349633/effects-of-tetradecylthioacetic-acid-tta-treatment-on-lipid-metabolism-in-salmon-hearts-in-vitro-and-in-vivo-studies
#2
Regin Arge, Jens-Erik Dessen, Tone-Kari Østbye, Bente Ruyter, Magny S Thomassen, Kjell-Arne Rørvik
In intensive farming of Atlantic salmon, a large proportion of observed mortality is related to cardiovascular diseases and circulatory failure, indicating insufficient robustness and inadequate cardiac performance. This paper reports on the use of tetradecylthioacetic acid (TTA) where the main objective was to enhance utilisation of fatty acids (FA), considered the main energy source of the heart. In this study, three experiments were conducted: (I) an in vivo study where salmon post-smolt were administrated dietary TTA in sea, (II) an in vitro study where isolated salmon heart cells were pre-stimulated with increasing doses of TTA and (III) an in vivo experiment where salmon post-smolt were subjected to injections with increasing doses of TTA...
January 19, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29343467/hearing-impairment-in-patients-with-myotonic-dystrophy-type-2
#3
Judith van Vliet, Alide A Tieleman, Baziel G M van Engelen, Guillaume Bassez, Laurent Servais, Anthony Béhin, Tanya Stojkovic, Jan Meulstee, Joost A M Engel, George Lamas, Bruno Eymard, Wim I M Verhagen, Elisabeth Mamelle
OBJECTIVE: To systematically assess auditory characteristics of a large cohort of patients with genetically confirmed myotonic dystrophy type 2 (DM2). METHODS: Patients with DM2 were included prospectively in an international cross-sectional study. A structured interview about hearing symptoms was held. Thereafter, standardized otologic examination, pure tone audiometry (PTA; 0.25, 0.5, 1, 2, 4, and 8 kHz), speech audiometry, tympanometry, acoustic middle ear muscle reflexes, and brainstem auditory evoked potentials (BAEP) were performed...
January 17, 2018: Neurology
https://www.readbyqxmd.com/read/29335023/early-neonatal-glutaric-aciduria-type-i-hidden-by-perinatal-asphyxia-a-case-report
#4
Giacomo Biasucci, Nicola Morelli, Federica Natacci, Massimo Mastrangelo
BACKGROUND: Perinatal asphyxia (PA) occurs in about 2 to 10 per 1000 live full-term births. Although neonatal epileptic seizures are observed in up to 60% of cases, PA may mimic or subtend other conditions. Hypoxia related brain injury is particularly relevant, as it may have permanent effects on neuropsychomotor development. Antepartum obstetric conditions, may, in turn, lead to hypoxic-ischemic damage to the fetus and the newborn, often underlying PA. Herein, a case of PA that hid and triggered signs and symptoms of Glutaric Aciduria type I (GA-I), is reported...
January 15, 2018: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/29330066/regulation-of-vascular-tone-homeostasis-by-no-and-h2s-implications-in-hypertension
#5
REVIEW
Sevda Gheibi, Sajad Jeddi, Khosrow Kashfi, Asghar Ghasemi
Nitric oxide (NO) and hydrogen sulfide (H2S) are two gasotransmitters that are produced in the vasculature and contribute to the regulation of vascular tone. NO and H2S are synthesized in both vascular smooth muscle and endothelial cells; NO functions primarily through the sGC/cGMP pathway, and H2S mainly through activation of the ATP-dependent potassium channels; both leading to relaxation of vascular smooth muscle cells. A deficit in the NO/H2S homeostasis is involved in the pathogenesis of various cardiovascular diseases, especially hypertension...
January 9, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29324409/assessment-of-spasticity-by-a-pendulum-test-in-sci-patients-who-exercise-fes-cycling-or-receive-only-conventional-therapy
#6
Lana Popovic-Maneski, Antonina Aleksic, Amine Metani, Vance Bergeron, Radoje Cobeljic, Dejan B Popovic
Increased muscle tone and exaggerated tendon reflexes characterize most of the individuals after a spinal cord injury (SCI). We estimated seven parameters from the pendulum test and used them to compare with the Ashworth modified scale of spasticity grades in three populations (retrospective study) to assess their spasticity. Three ASIA B SCI patients who exercised on a stationary FES bicycle formed group F, six ASIA B SCI patients who received only conventional therapy were in the group C, and six healthy individuals constituted the group H...
January 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29317079/biotensegrity-and-myofascial-chains-a-global-approach-to-an-integrated-kinetic-chain
#7
S L Dischiavi, A A Wright, E J Hegedus, C M Bleakley
Human movement is a complex orchestration of events involving many different body systems. Understanding how these systems interact during musculoskeletal movements can directly inform a variety of research fields including: injury etiology, injury prevention and therapeutic exercise prescription. Traditionally scientists have examined human movement through a reductionist lens whereby movements are broken down and observed in isolation. The process of reductionism fails to capture the interconnected complexities and the dynamic interactions found within complex systems such as human movement...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29310714/timings-of-attentional-switching-to-perturbation-and-postural-preparation-during-transient-forward-or-backward-floor-translation
#8
Katsuo Fujiwara, Chie Yaguchi, Maki Maekawa, Naoe Kiyota
BACKGROUND: Relationships between the timings of attentional switching and postural preparation were investigated using a choice-reaction paradigm with transient floor translation (S2), with the direction indicated by a warning auditory signal (S1). METHODS: Thirteen healthy young adults participated in this study. S2 started 2 s after S1 onset while standing on the platform. The platform moved forward when S1 was a high tone, and backward when S1 was a low tone...
January 8, 2018: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/29304860/role-and-regulation-of-abelson-tyrosine-kinase-in-crk-associated-substrate-profilin-1-interaction-and-airway-smooth-muscle-contraction
#9
Yinna Wang, Alyssa C Rezey, Ruping Wang, Dale D Tang
BACKGROUND: Airway smooth muscle contraction is critical for maintenance of appropriate airway tone, and has been implicated in asthma pathogenesis. Smooth muscle contraction requires an "engine" (myosin activation) and a "transmission system" (actin cytoskeletal remodeling). However, the mechanisms that control actin remodeling in smooth muscle are not fully elucidated. The adapter protein Crk-associated substrate (CAS) regulates actin dynamics and the contraction in smooth muscle. In addition, profilin-1 (Pfn-1) and Abelson tyrosine kinase (c-Abl) are also involved in smooth muscle contraction...
January 5, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29301539/development-of-an-inventory-of-goals-using-the-international-classification-of-functioning-disability-and-health-in-a-population-of-non-ambulatory-children-and-adolescents-with-cerebral-palsy-treated-with-botulinum-toxin-a
#10
Linda Nguyen, Ronit Mesterman, Jan Willem Gorter
BACKGROUND: In the management of hypertonicity in children with cerebral palsy (CP), goals should be clearly identified in order to evaluate the effectiveness of botulinum toxin A (BoNT-A) treatment, specifically in non-ambulatory children and adolescents, Gross Motor Function Classification System (GMFCS), level IV or V. A retrospective chart review (Mesterman et al., 2013) identified the need for the development of a set of specific and meaningful goals linked to the International Classification of Functioning, Disability and Health (ICF) for future goal setting and evaluation in this population...
January 4, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29291091/laryngeal-airway-reconstruction-indicates-that-rodent-ultrasonic-vocalizations-are-produced-by-an-edge-tone-mechanism
#11
Tobias Riede, Heather L Borgard, Bret Pasch
Some rodents produce ultrasonic vocalizations (USVs) for social communication using an aerodynamic whistle, a unique vocal production mechanism not found in other animals. The functional anatomy and evolution of this sound production mechanism remains unclear. Using laryngeal airway reconstruction, we identified anatomical specializations critical for USV production. A robust laryngeal cartilaginous framework supports a narrow supraglottal airway. An intralaryngeal airsac-like cavity termed the ventral pouch was present in three muroid rodents (suborder Myomorpha), but was absent in a heteromyid rodent (suborder Castorimorpha) that produces a limited vocal repertoire and no documented USVs...
November 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/29283238/molecular-mechanisms-of-action-of-gas-transmitters-no-co-and-h2s-in-smooth-muscle-cells-and-effect-of-no-generating-compounds-nitrates-and-nitrites-on-average-life-expectancy
#12
S V Gusakova, L V Smagliy, Y G Birulina, I V Kovalev, V Nosarev, I V Petrova, V P Reutov
Gaseous signaling molecules (gas transmitters) take an especial position among the numerous signaling molecules involved in the regulation of both intracellular processes that occur in different types of cells and cell-cell interactions. At present time, gas transmitters include three molecules whose enzymatic systems of synthesis and degradation, physiological action and intracellular effectors, the change of which under the action of gas transmitters may result in physiological and/or pathophysiological effects are well- determined...
January 2017: Uspekhi Fiziologicheskikh Nauk
https://www.readbyqxmd.com/read/29279962/double-dermal-sinus-tracts-of-the-cervical-and-thoracic-regions-a-case-in-a-3-year-old-child-and-review-of-the-literature
#13
Oliver D Mrowczynski, Jessica R Lane, Mohammadali M Shoja, Charles S Specht, Sara T Langan, Elias B Rizk
INTRODUCTION: Dermal sinus tracts are rare congenital abnormalities characterized by an epithelium-lined tract that extends from the subcutaneous tissue to the underlying thecal sac or neural tube. These developmental anomalies can present asymptomatically with a cutaneous dimple or with devastating complications including recurrent episodes of meningitis, or neurological complications including paralysis. Dermal sinus tracts generally occur as single lesions, and the presentation of midline double dermal sinus tracts of the cervical and thoracic regions has not been previously described...
December 26, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29273552/ageing-of-the-bony-orbit-is-a-major-cause-of-age-related-intraorbital-fat-herniation
#14
Junhyung Kim, Sang Woo Park, Jaehoon Choi, Woonhyeok Jeong, Seongwon Lee
We evaluated the relationship between infraorbital fat herniation and age-related changes in the bony orbit and orbital fat density using computed tomography. Two hundred and sixty-five patients were enrolled (60 patients were evaluated for changes in the bony orbit and 205 for changes in orbital fat density). Five measurements using parasagittal sections and one measurement using three-dimensional images were obtained. Intraorbital fat herniation length was positively correlated with orbital rim inclination...
November 28, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29262440/who-is-safe-to-extubate-in-the-neuroscience-intensive-care-unit
#15
Julian Bösel
Patients admitted to the neuroscience intensive care unit (NICU) may have respiratory compromise from either central or peripheral neurological pathology, and may hence require intubation and mechanical ventilation for very diverse reasons. Liberation from invasive ventilation, that is, extubation, at the earliest possible time is a widely accepted principle in intensive care. For this, classic extubation criteria have been established in the general critical care setting, mainly targeting pulmonary function and cooperativeness of the patient...
December 2017: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29260614/neuroimaging-findings-in-pallister-killian-syndrome
#16
Emil Jernstedt Barkovich, Tarannum Musvee Lateef, Matthew T Whitehead
Pallister-Killian syndrome (PKS) is a rare chromosomal duplication disorder caused by additional copies of the short arm of chromosome 12 (12p). Clinically PKS is characterized by craniofacial dysmorphism with neonatal frontotemporal alopecia, hypertelorism, and low-set ears as well as kyphoscoliosis, severe intellectual disability, epilepsy, and abnormal muscle tone. Comprehensive high-resolution brain MR findings of PKS in childhood have not been previously illustrated in the medical literature. We present detailed neuroimaging findings from a child with PKS and thoroughly review previously reported structural brain abnormalities in this patient population...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/29247786/periadventitial-local-drug-delivery-to-target-restenosis
#17
REVIEW
Belay Tesfamariam
The adventitia functions as a dynamic compartment for cell trafficking into and out of the artery wall, and communicates with medial and intimal cells. The resident cells in the tunica adventitia play an integral role in the regulation of vessel wall structure, repair, tone, and remodeling. Following injury to the vascular wall, adventitial fibroblasts are activated, which proliferate and differentiate into migratory myofibroblasts, and initiate inflammation through the secretion of soluble factors such as chemokines, cytokines, and adhesion molecules...
December 13, 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/29245227/spinal-intramedullary-tuberculoma-following-pulmonary-tuberculosis-a-case-report-and-literature-review
#18
Guan-Chyuan Wang, Sheng-Wen Wu
RATIONALE: Spinal intramedullary tuberculoma (IMTB) is a rare disease that accounts for 1 to 2/100,000 patients with tuberculosis. We presented a case with pulmonary tuberculosis and concurrent IMTB at C3 to C5 level and reviewed the recent case series and discussed the diagnosis, treatment, and outcome. PATIENT CONCERNS: A 33-year-old male had concurrent pulmonary TB and IMTB at the C3 to C5 level. He had quadriplegia (muscle power 0 at 4 limbs) and sensory loss below C5 level...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29240004/synchronizing-gait-with-cardiac-cycle-phase-alters-heart-rate-response-during-running
#19
Keren Constantini, Abigail S L Stickford, Jeffery L Bleich, Paul D Mannheimer, Benjamin D Levine, Robert F Chapman
Timing foot strike to occur in synchrony with cardiac diastole may reduce left ventricular afterload and promote coronary and skeletal muscle perfusion. PURPOSE: To assess heart rate (HR) and metabolic responses to running when foot strikes are timed to occur exclusively during 1) the systolic phase of the cardiac cycle, or 2) the diastolic phase. METHODS: Ten elite male distance runners performed a testing session on a treadmill at 4.72 m[BULLET OPERATOR]s while matching their steps to an auditory tone and wearing a chest strap that transmitted accelerometer and ECG signals...
December 12, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29239491/regulation-of-microvascular-function-by-voltage-gated-potassium-channels-new-tricks-for-an-ancient-dog
#20
Matthew A Nystoriak, Manuel F Navedo
Arterial tone is tightly regulated by a variety of potassium (K+ ) permeable ion channels at the sarcolemma of vascular smooth muscle cells. In particular, several types of voltage-gated K+ (KV ) channels provide a significant hyperpolarizing influence and serve to oppose pressure and agonist-induced membrane depolarization to promote smooth muscle relaxation and augmentation of vascular diameter and blood flow. In recent years, a number of studies have underscored previously unknown roles for particular KV subunits, new modes of channel regulation, and distinct cellular functions for these channels during physiological and pathological conditions...
December 14, 2017: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
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