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https://www.readbyqxmd.com/read/28210569/infant-acute-myocarditis-mimicking-acute-myocardial-infarction
#1
Maher Jedidi, Samia Tilouche, Tasnim Masmoudi, Maha Sahnoun, Youssef Chkirbène, Sarra Mestiri, Lamia Boughamoura, Mohamed Ben Dhiab, Mohamed Kamel Souguir
Myocarditis is an inflammatory disease of the myocardium with heterogeneous clinical manifestations and progression. In clinical practice, although there are many methods of diagnosis of acute myocarditis, the diagnosis remains an embarrassing dilemma for clinicians. The authors report the case of 9-month-old infant who was brought to the Pediatric Emergency Department with sudden onset dyspnea. Examination disclosed heart failure and resuscitation was undertaken. The electrocardiogram showed an ST segment elevation in the anterolateral leads with a mirror image...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28208150/acute-and-subacute-presentations-of-cerebral-edema-following-deep-brain-stimulation-lead-implantation
#2
Albert J Fenoy, Sebastian J Villarreal, Mya C Schiess
BACKGROUND/AIMS: Postoperative cerebral edema around a deep brain stimulation (DBS) electrode is an uncommon reported complication. The goal of this study was to identify instances of postoperative edema based on clinical presentation, and to remark on their management. METHODS: A retrospective chart review was performed on all patients who underwent DBS electrode implantation over a 3-year period. Routine CT imaging on postoperative day (POD) 1 was negative. Patients were identified based on clinical neurological changes, leading to imaging and subsequent diagnosis...
February 17, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28202821/-pres-posterior-reversible-encephalopathy-syndrome
#3
Kouichirou Okamoto, Kunio Motohashi, Hidemoto Fujiwara, Tomohiko Ishihara, Itaru Ninomiya, Osamu Onodera, Yukihiko Fujii
Posterior reversible encephalopathy syndrome (PRES) is suggested in patients with acute neurological symptoms in the appropriate clinical context, including acute hypertension, blood pressure fluctuations, renal failure, blood transfusion, immunosuppression, autoimmune disorders, and eclampsia. PRES is a clinical syndrome, and refers to a disorder with reversible subcortical vasogenic brain edema caused by endothelial dysfunction, predominantly involving the bilateral parieto-occipital regions. Although the clinical course and prognosis are favorable in most cases, intracranial hemorrhage and/or restricted diffusion similar to acute infarction could be seen in some lesions on brain magnetic resonance imaging (MRI)...
February 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28197696/large-meniscus-extrusion-ratio-is-a-poor-prognostic-factor-of-conservative-treatment-for-medial-meniscus-posterior-root-tear
#4
Yoon-Ho Kwak, Sahnghoon Lee, Myung Chul Lee, Hyuk-Soo Han
PURPOSE: The purpose of this study was to find a prognostic factor of medial meniscus posterior root tear (MMPRT) for surgical decision making. METHODS: Eighty-eight patients who were diagnosed as acute or subacute MMPRT without severe degeneration of the meniscus were treated conservatively for 3 months. Fifty-seven patients with MMPRT showed good response to conservative treatment (group 1), while the remaining 31 patients who failed to conservative treatment (group 2) received arthroscopic meniscus repair...
February 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28196677/molecular-modeling-docking-and-dynamics-simulations-of-the-dioclea-lasiophylla-mart-ex-benth-seed-lectin-an-edematogenic-and-hypernociceptive-protein
#5
Vanir Reis Pinto-Junior, Vinicius Jose Silva Osterne, Mayara Queiroz Santiago, Claudia Figueiredo Lossio, Celso Shiniti Nagano, Cintia Renata Costa Rocha, Jessica Catarine Frutuoso Nascimento, Francisco Lucas Faustino Nascimento, Ivanice Bezerra Silva, Antonia Simoni Oliveira, Jorge Luis Almeida Correia, Rodrigo Bainy Leal, Ana Maria Sampaio Assreuy, Benildo Sousa Cavada, Kyria Santiago Nascimento
Lectins are proteins, or glycoproteins, capable of reversibly binding to specific mono- or oligosaccharides via a noncatalytic domain. The Diocleinae subtribe presents lectins with high structural similarity, but different effects based on biological activity assays. This variability results from small structural differences. Therefore, in this context, the present study aimed to perform a structural analysis of the lectin from Dioclea lasiophylla Mart. ex Benth seeds (DlyL) and evaluate its inflammatory effect...
February 11, 2017: Biochimie
https://www.readbyqxmd.com/read/28196122/detrimental-elavl-1-hur-dependent-gsk3%C3%AE-mrna-stabilization-impairs-resolution-in-acute-respiratory-distress-syndrome
#6
Olivia Hoffman, Nana Burns, István Vadász, Holger K Eltzschig, Michael G Edwards, Christine U Vohwinkel
A hallmark of acute respiratory distress syndrome (ARDS) is accumulation of protein-rich edema in the distal airspaces and its removal is critical for patient survival. Previous studies have shown a detrimental role of Glycogen Synthase Kinase (GSK) 3β during ARDS via inhibition of alveolar epithelial protein transport. We hypothesized that post-transcriptional regulation of GSK3β could play a functional role in ARDS resolution. To address this hypothesis, we performed an in silico analysis to identify regulatory genes whose expression correlation to GSK3β messenger RNA utilizing two lung cancer cell line array datasets...
2017: PloS One
https://www.readbyqxmd.com/read/28195941/noninvasive-bioelectrical-impedance-for-predicting-clinical-outcomes-in-outpatients-with-heart-failure
#7
Kristin J Lyons, Michelle K Bischoff, Gregg C Fonarow, Tamara B Horwich
BACKGROUND: Noninvasive bioelectrical impedance analysis (BIA) has shown promise in acute heart failure (HF) management. To our knowledge, its use in predicting outcomes in outpatients with chronic HF patients has not been well described. METHODS AND RESULTS: BIA assessment of edema index was performed in 359 outpatients with HF using the InBody 520 scale. Edema index was calculated by dividing extracellular by total body water. Patients were stratified into those with low (≤0...
March 2017: Critical Pathways in Cardiology
https://www.readbyqxmd.com/read/28195354/histopathology-of-bilateral-lower-extremity-inflammatory-lymphedema-in-military-basic-trainees-a-leukocytoclastic-vasculitis-of-the-deep-vascular-plexus
#8
Shannan E McCann, Scott R Dalton, Todd T Kobayashi
Bilateral lower extremity inflammatory lymphedema (BLEIL) is a recently described condition that presents with exquisite tenderness, erythema, and edema of the lower leg, ankle and dorsal foot resembling an acute cellulitis. It was first reported in healthy, young adult military basic trainees with a normal body mass index during the first 72 hours of arrival to basic training. It occurs while standing at attention for many hours, and shows rapid resolution with elevation and rest. We report an additional case of BLEIL and describe the histopathology of this case and two of the previously reported cases...
February 14, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28195073/effects-of-budesonide-on-the-lung-functions-inflammation-and-apoptosis-in-a-saline-lavage-model-of-acute-lung-injury
#9
D Mokra, P Kosutova, S Balentova, M Adamkov, P Mikolka, J Mokry, M Antosova, A Calkovska
Diffuse alveolar injury, edema, and inflammation are fundamental signs of acute lung injury (ALI) and acute respiratory distress syndrome (ARDS). Whereas the systemic administration of corticosteroids previously led to controversial results, this study evaluated if corticosteroids given intratracheally may improve lung functions and reduce edema formation, migration of cells into the lung and their activation in experimentally-induced ALI. In oxygen-ventilated rabbits, ALI was induced by repetitive saline lung lavage, until PaO2 decreased to < 26...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28192201/the-natural-product-bergenin-ameliorates-lipopolysaccharide-induced-acute-lung-injury-by-inhibiting-nf-kappab-activition
#10
Shengqian Yang, Ziru Yu, Lin Wang, Tianyi Yuan, Xue Wang, Xue Zhang, Jinhua Wang, Yang Lv, Guanhua Du
ETHNOPHARMACOLOGICAL RELEVANCE: Bergenin, an active constituent of the plants of the genus Bergenia, has been reported to have anti-inflammatory effects in the treatment of chronic bronchitis and chronic gastritis clinically. However, its therapeutic effect on lipopolysaccharide (LPS)-induced acute lung injury (ALI) and its potential mechanisms of actions were still unkown. AIM OF THIS STUDY: This study aimed to evaluate the effect of bergenin on murine model of acute lung injury induced by LPS and also to explore its potential mechanisms...
February 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28190431/posterior-reversible-encephalopathy-in-the-intensive-care-unit
#11
M Toledano, J E Fugate
Posterior reversible encephalopathy syndrome (PRES) is increasingly diagnosed in the emergency department, and medical and surgical intensive care units. PRES is characterized by acute onset of neurologic symptoms in the setting of blood pressure fluctuations, eclampsia, autoimmune disease, transplantation, renal failure, or exposure to immunosuppressive or cytotoxic drugs, triggers known to admit patients to the intensive care unit (ICU). Although the exact pathophysiology remains unknown, there is growing consensus that PRES results from endothelial dysfunction...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28187865/a-new-threshold-of-apparent-diffusion-coefficient-values-in-white-matter-after-successful-tissue-plasminogen-activator-treatment-for-acute-brain-ischemia
#12
Atsushi Sato, Yusaku Shimizu, Junichi Koyama, Kazuhiro Hongo
BACKGROUND AND PURPOSE: Tissue plasminogen activator (tPA) is effective for the treatment of acute brain ischemia, but may trigger fatal brain edema or hemorrhage if the brain ischemia results in a large infarct. Herein, we attempted to predict the extent of infarcts by determining the optimal threshold of ADC values on DWI that predictively distinguishes between infarct and reversible areas, and by reconstructing color-coded images based on this threshold. MATERIALS AND METHODS: The study subjects consisted of 36 patients with acute brain ischemia in whom MRA had confirmed reopening of the occluded arteries in a short time (mean: 99min) after tPA treatment...
February 7, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28187807/neuropulmonology
#13
A Balofsky, J George, P Papadakos
Neuropulmonology refers to the complex interconnection between the central nervous system and the respiratory system. Neurologic injury includes traumatic brain injury, hemorrhage, stroke, and seizures, and in each there are far-reaching effects that can result in pulmonary dysfunction. Systemic changes can induce impairment of pulmonary function due to changes in the core structure and function of the lung. The conditions and disorders that often occur in these patients include aspiration pneumonia, neurogenic pulmonary edema, and acute respiratory distress syndrome, but also several abnormal respiratory patterns and sleep-disordered breathing...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28187804/decompressive-craniectomy-in-acute-brain-injury
#14
D A Brown, E F M Wijdicks
Decompressive surgery to reduce pressure under the skull varies from a burrhole, bone flap to removal of a large skull segment. Decompressive craniectomy is the removal of a large enough segment of skull to reduce refractory intracranial pressure and to maintain cerebral compliance for the purpose of preventing neurologic deterioration. Decompressive hemicraniectomy and bifrontal craniectomy are the most commonly performed procedures. Bifrontal craniectomy is most often utilized with generalized cerebral edema in the absence of a focal mass lesion and when there are bilateral frontal contusions...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28187362/6-2-chlorinated-polyfluorinated-ether-sulfonate-a-pfos-alternative-induces-embryotoxicity-and-disrupts-cardiac-development-in-zebrafish-embryos
#15
Guohui Shi, Qianqian Cui, Yitao Pan, Nan Sheng, Sujie Sun, Yong Guo, Jiayin Dai
As an alternative to perfluorooctanesulfonate (PFOS), 6:2 chlorinated polyfluorinated ether sulfonate (commercial name: F-53B) has been used as a mist suppressant in Chinese electroplating industries for over 30 years. It has been found in the environment and fish, and one acute assay indicated F-53B was moderately toxic. However, the toxicological information on this compound was incomplete and insufficient for assessment of their environment impact. The object of this study was to examine the developmental toxicity of F-53B using zebrafish embryos...
February 3, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28186665/dexmedetomidine-enhances-human-lung-fluid-clearance-through-improving-alveolar-sodium-transport
#16
Yong Cui, Yan Ding, Lei Chen, Yue Li, Yan Chun Li, Hongguang Nie
Accumulating evidence shows that dexmedetomidine can attenuate lung edema with acute lung injury in experimental mouse and rat models, but the mechanisms of dexmedetomidine on human alveolar fluid transport are still unknown. We measured the effects of dexmedetomidine on alveolar fluid clearance in human lung lobes ex vivo. Moreover, we measured the regulation of transepithelial Na(+) transport by dexmedetomidine in H441 cells by electrophysiological technique and western blot method. Our results showed that intratracheal instillation of dexmedetomidine markedly increased the re-absorption of 5% bovine serum albumin instillate (19...
February 10, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28184275/postoperative-negative-pressure-pulmonary-edema-following-repetitive-laryngospasm-even-after-reversal-of-neuromuscular-blockade-by-sugammadex-a-case-report
#17
Ji Hyeon Lee, Jae Ho Lee, Min Hyun Lee, Hyun Oh Cho, Soon Eun Park
Laryngospasm, an occlusion of the glottis, can occur at any time during anesthesia, and is associated with serious perioperative complications such as hypoxia, hypercabia, aspiration, bronchospasm, arrhythmia, prolonged recovery, cardiac collapse, and eventually catastrophic death. Importantly, postoperative negative pressure pulmonary edema (NPPE) is a rare, but well described life-threatening complication related to acute and chronic upper airway obstruction. Sugammadex well known for affirmatively reducing the postoperative pulmonary complications associated with residual neuromuscular blockade may have an indirect role in triggering the negative intrathoracic pressure by raising a rapid and efficacious respiratory muscle strength in acute upper airway obstruction...
February 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28183203/adverse-respiratory-effects-in-rats-following-inhalation-exposure-to-ammonia-respiratory-dynamics-and-histopathology
#18
Michael W Perkins, Benjamin Wong, Justin Tressler, Ashley Rodriguez, Katherine Sherman, Jaclynn Andres, Jennifer Devorak, William L Wilkins, Alfred M Sciuto
Acute respiratory dynamics and histopathology of the lungs and trachea following inhaled exposure to ammonia were investigated. Respiratory dynamic parameters were collected from male Sprague-Dawley rats (300-350 g) during (20 min) and 24 h (10 min) after inhalation exposure for 20 min to 9000, 20,000, and 23,000 ppm of ammonia in a head-only exposure system. Body weight loss, analysis of blood cells, and lungs and trachea histopathology were assessed 1, 3, and 24 h following inhalation exposure to 20,000 ppm of ammonia...
January 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28178622/taraxerol-a-pentacyclic-triterpene-from-abroma-augusta-leaf-attenuates-acute-inflammation-via-inhibition-of-nf-%C3%AE%C2%BAb-signaling
#19
Ritu Khanra, Saikat Dewanjee, Tarun K Dua, Niloy Bhattacharjee
Abroma augusta L. (Malvaceae) leaf is traditionally used to treat inflammatory disorders. In our laboratory, we have scientifically validated the anti-inflammatory effect of A. augusta leaf extract. In this study, it has been aimed to evaluate in vivo anti-inflammatory effect of taraxerol isolated from the methanol extract of A. augusta leaf. It was further intended to find out the probable mechanism of anti-inflammatory effect of taraxerol. The anti-inflammatory effect of taraxerol (5 and 10mg/kg, i.p.) was measured employing carrageenan-induced paw edema model of acute inflammation...
February 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28178380/pre-ischemia-melatonin-treatment-alleviated-acute-neuronal-injury-after-ischemic-stroke-by-inhibiting-er-stress-dependent-autophagy-via-perk-and-ire1-signalings
#20
Dayun Feng, Bao Wang, Lei Wang, Neeta Abraham, Kai Tao, Lu Huang, Wei Shi, Yushu Dong, Yan Qu
Melatonin has demonstrated a potential protective effect in central nervous system. Thus, it is interesting to determine whether pre-ischemia melatonin administration could protect against cerebral ischemia/reperfusion (IR) related injury and the underlying molecular mechanisms. In this study, we revealed that IR injury significantly activated endoplasmic reticulum (ER) stress and autophagy in a middle cerebral artery occlusion (MCAO) mouse model. Pre-ischemia melatonin treatment was able to attenuate IR-induced ER stress and autophagy...
February 8, 2017: Journal of Pineal Research
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