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Mild Hypothermia treatment

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https://www.readbyqxmd.com/read/29151422/-successful-perform-of-prolonged-cardiopulmonary-and-cerebral-resuscitation-on-repeated-cardiac-arrest-one-case-report
#1
Guanghui He, Yanping Liang, Jianjun Jing, Xiaofeng Li, Xin Jin, Yicheng Yang, Shibin Lyu, Jiaojiao Lu
Cardiac arrest (CA) is the most serious clinical emergency situation and cardiopulmonary-cerebral resuscitation (CPCR) performed on site with high quality is the optional therapy for its management. It has been reported that prolonging the resuscitation time after 30-minute failed conventional cardiopulmonary resuscitation (CPR) could improve the in-hospital survival rate of CA patients, and how to improve the out-hospital survival rate and survival quality of these patients is a research hot focus at present...
November 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29113791/pd149163-induces-hypothermia-to-protect-against-brain-injury-in-acute-cerebral-ischemic-rats
#2
Teng-Fei Xue, Xu Ding, Juan Ji, Hui Yan, Ji-Ye Huang, Xu-Dong Guo, Jin Yang, Xiu-Lan Sun
Therapeutic hypothermia is a promising strategy for acute cerebral ischemia via physical or pharmacological methods. In this study, we pharmacologically induced hypothermia on Sprague Dawley rats by intraperitoneally injecting PD149163. We found that mild hypothermia was induced by PD149163 treatment without local cerebral blood flow (LCBF) alteration. To evaluate the neuroprotective effects of PD149163, TTC staining, HE staining and Nissl's staining were performed in our study. We found that PD149163 could prevent neuronal damage, and inhibit proliferation and activation of glial cells induced by ischemia...
October 23, 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/29098600/a-model-based-on-the-pennes-bioheat-transfer-equation-is-valid-in-normal-brain-tissue-but-not-brain-tissue-suffering-focal-ischaemia
#3
Thomas Lillicrap, Murat Tahtalı, Andrew Neely, Xiaofei Wang, Andrew Bivard, Christian Lueck
Ischaemic stroke is a major public health issue in both developed and developing nations. Hypothermia is believed to be neuroprotective in cerebral ischaemia. Conversely, elevated brain temperature is associated with poor outcome after ischaemic stroke. Mechanisms of heat exchange in normally-perfused brain are relatively well understood, but these mechanisms have not been studied as extensively during focal cerebral ischaemia. A finite element model (FEM) of heat exchange during focal ischaemia in the human brain was developed, based on the Pennes bioheat equation...
November 2, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/29035834/synergistic-effect-of-mild-hypothermia-and-the-notch-inhibitor-dapt-against-post-stroke-seizures
#4
Guo-Shuai Yang, Xiao-Yan Zhou, Xue-Fang An, Xuan-Jun Liu, Yan-Jun Zhang, Dan Yu
Seizure is a serious complication of stroke, indicating poor prognosis. Notch signaling is associated with neuronal activity. Inhibition of Notch signaling suppresses seizure activity induced by kainic acid. The present study investigated the effect of the Notch inhibitor, DAPT, alone or in combination with mild hypothermia, on post-stroke seizures. A global cerebral ischemia (GCI) model was performed in Sprague Dawley (SD) male rats. Seizure activity was evaluated by the frequency of seizure attacks, seizure severity scores, and seizure discharges...
October 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28951276/early-transient-mild-hypothermia-attenuates-neurological-deficits-and-brain-damage-after-experimental-subarachnoid-hemorrhage-in-rats
#5
Nadine Lilla, Christoph Rinne, Judith Weiland, Thomas Linsenmann, Ralf-Ingo Ernestus, Thomas Westermaier
OBJECTIVE: Metabolic exhaustion in ischemic tissue is the basis for a detrimental cascade of cell damage. In the acute stage of subarachnoid hemorrhage (SAH), a sequence of global and focal ischemia occurs, threatening brain tissue to undergo ischemic damage. This study was conducted to investigate whether early therapy with moderate hypothermia can offer neuroprotection after experimental SAH. MATERIALS AND METHODS: 20 male Sprague-Dawley rats were subjected to SAH and treated by active cooling (34° C) or served as controls by continuous maintenance of normothermia (37...
September 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28947065/enhanced-neuroprotective-effect-of-mild-hypothermia-with-vpa-against-ethanol-mediated-neuronal-injury
#6
Sandeep Kumar Vishwakarma, Avinash Bardia, L Chandrakala, Sana Arshiya, Syed Ameer Basha Paspala, Vishnupriya Satti, Aleem Ahmed Khan
INTRODUCTION: Progress in understanding pathophysiological mechanisms and the development of targeted regenerative strategies have been hampered by the lack of predictive disease models, specifically for the conditions to which affected cell types are inaccessible. The present study has aimed to unearth the role of valproic acid (VPA) and mild hypothermia (MH) as promising strategy to enhance the neuroprotective mechanisms in undifferentiated and differentiated human neural precursor cells (hNPCs) against ethanol-induced damage...
September 14, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28933514/hypothermia-for-traumatic-brain-injury
#7
REVIEW
Sharon R Lewis, David Jw Evans, Andrew R Butler, Oliver J Schofield-Robinson, Phil Alderson
BACKGROUND: Hypothermia has been used in the treatment of brain injury for many years. Encouraging results from small trials and laboratory studies led to renewed interest in the area and some larger trials. OBJECTIVES: To determine the effect of mild hypothermia for traumatic brain injury (TBI) on mortality, long-term functional outcomes and complications. SEARCH METHODS: We ran and incorporated studies from database searches to 21 March 2016...
September 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28931834/mild-hypothermia-provides-treg-stability
#8
Marek- Trzonkowska Natalia, Piekarska Karolina, Filipowicz Natalia, Piotrowski Arkadiusz, Gucwa Magdalena, Vogt Katrin, Sawitzki Birgit, Siebert Janusz, Trzonkowski Piotr
Regulatory T cells (Tregs) play crucial role in maintenance of peripheral tolerance. Recent clinical trials confirmed safety and efficacy of Treg treatment of deleterious immune responses. However, Tregs lose their characteristic phenotype and suppressive potential during expansion ex vivo. Therefore, multiple research teams have been studding Treg biology in aim to improve their stability in vitro. In the current paper, we demonstrate that mild hypothermia of 33 °C induces robust proliferation of Tregs, preserves expression of FoxP3, CD25 and Helios, and prevents TSDR methylation during culture in vitro...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931363/a-guideline-based-policy-to-decrease-intensive-care-unit-admission-rates-for-accidental-hypothermia
#9
Herman R Sequeira, Hesham E Mohamed, Neal Hakimi, Dorothy B Wakefield, Jonathan Fine
RATIONALE: Despite guidelines advising passive rewarming for mild accidental hypothermia (AH), patients are frequently admitted to intensive care unit (ICU) for active rewarming using a forced-air warming device. We implemented a new policy at our institution aimed at safely reducing ICU admissions for AH. We analyzed our practice pre- and post-policy intervention and compared our experiences with acute care hospitals in Connecticut. METHODS: A retrospective chart review was performed on 203 participants with AH identified by primary and secondary discharge codes...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28925524/hypothermia-increases-aquaporin-4-aqp4-plasma-membrane-abundance-in-human-primary-cortical-astrocytes-via-a-calcium-transient-receptor-potential-vanilloid-4-trpv4-and-calmodulin-mediated-mechanism
#10
Mootaz M Salman, Philip Kitchen, M Nicola Woodroofe, James E Brown, Roslyn M Bill, Alex C Conner, Matthew T Conner
Human aquaporin 4 (AQP4) is the primary water channel protein in brain astrocytes. Hypothermia is known to cause astrocyte swelling in culture, but the precise role of AQP4 in this process is unknown. Primary human cortical astrocytes were cultured under hypothermic (32 °C) or normothermic (37 °C) conditions. AQP4 transcript, total protein and surface-localized protein were quantified using RT-qPCR, sandwich ELISA with whole cell lysates or cell surface biotinylation, followed by ELISA analysis of the surface-localized protein, respectively...
September 19, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28895060/cerebral-tissue-oxidative-ischemia-reperfusion-injury-in-connection-with-experimental-cardiac-arrest-and-cardiopulmonary-resuscitation-effect-of-mild-hypothermia-and-methylene-blue
#11
Lars Wiklund, Ranjana Patnaik, Aruna Sharma, Adriana Miclescu, Hari S Sharma
The present investigation is an expansion of previous studies which all share a basic experimental protocol of a porcine-induced cardiac arrest (CA) of 12 min followed by 8 min of cardiopulmonary resuscitation (CPR), different experimental treatments (immediate as well as postponed induced mild hypothermia and administration of much or less cool intravenous fluids), and a follow-up period of 3 h after which the animals were sacrificed. Another group of animals was studied according to the same protocol after 12-min CA and "standard CPR...
September 11, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28844933/early-detection-of-brain-death-using-the-bispectral-index-bis-in-patients-treated-by-extracorporeal-cardiopulmonary-resuscitation-e-cpr-for-refractory-cardiac-arrest
#12
Romain Jouffroy, Lionel Lamhaut, Alexandra Guyard, Pascal Philippe, Kim An, Christian Spaulding, Frédéric Baud, Pierre Carli, Benoît Vivien
BACKGROUND: Despite increasing use of extracorporeal cardiopulmonary resuscitation (E-CPR) for treatment of refractory cardiac arrest patients, prognosis remains dismal, often resulting in brain-death. However, clinical assessment of brain-death occurence is difficult in post-cardiac arrest patients, sedated, paralyzed, under mild therapeutic hypothermia (MTH). Our objective was to assess the usefulness of Bispectral-Index (BIS) monitoring at bedside for an early detection of brain-death occurrence in refractory cardiac arrest patients treated by E-CPR...
November 2017: Resuscitation
https://www.readbyqxmd.com/read/28759646/local-cryotherapy-improves-adjuvant-induced-arthritis-through-down-regulation-of-il-6-il-17-pathway-but-independently-of-tnf%C3%AE
#13
Xavier Guillot, Hélène Martin, Stéphanie Seguin-Py, Katy Maguin-Gaté, Johnny Moretto, Perle Totoson, Daniel Wendling, Céline Demougeot, Nicolas Tordi
OBJECTIVES: Local cryotherapy is widely and empirically used in the adjuvant setting in rheumatoid arthritis treatment, however its own therapeutic and anti-inflammatory effects are poorly characterized. We aimed to evaluate the effects of local cryotherapy on local and systemic inflammation in Adjuvant-induced arthritis, a murine model of rheumatoid arthritis. METHODS: The effects of mild hypothermia (30°C for 2 hours) on cytokine protein levels (Multiplex/ELISA) were evaluated in vitro in cultured rat adjuvant-induced arthritis patellae...
2017: PloS One
https://www.readbyqxmd.com/read/28759636/ala-ppix-mediated-photodynamic-therapy-of-malignant-gliomas-augmented-by-hypothermia
#14
Carl J Fisher, Carolyn Niu, Warren Foltz, Yonghong Chen, Elena Sidorova-Darmos, James H Eubanks, Lothar Lilge
BACKGROUND: Malignant gliomas are highly invasive, difficult to treat, and account for 2% of cancer deaths worldwide. Glioblastoma Multiforme (GBM) comprises the most common and aggressive intracranial tumor. The study hypothesis is to investigate the modification of Photodynamic Therapy (PDT) efficacy by mild hypothermia leads to increased glioma cell kill while protecting normal neuronal structures. METHODS: Photosensitizer accumulation and PDT efficacy in vitro were quantified in various glioma cell lines, primary rat neurons, and astrocytes...
2017: PloS One
https://www.readbyqxmd.com/read/28705742/an-acute-oral-intoxication-with-haloperidol-decanoate
#15
Bart G J Dekkers, Ruben J Eck, Jan C Ter Maaten, Daniël J Touw
Haloperidol decanoate is a typical antipsychotic drug used as maintenance therapy for schizophrenia and mood disorders formulated as an ester for intramuscular injection. Cases of oral haloperidol decanoate intoxications have not been described in literature. In this report, we present for the first time a case of an oral ingestion of haloperidol decanoate of a young woman who presented to the emergency department following an intentional oral ingestion of 1 ampoule of haloperidol decanoate 100mg. At presentation, she had a bilateral rest tremor of both hands and mild hypothermia...
September 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28695976/adaptation-of-global-hemostasis-to-therapeutic-hypothermia-in-patients-with-out-of-hospital-cardiac-arrest-thromboelastography-study
#16
Aleksander Trąbka-Zawicki, Marek Tomala, Aleksander Zeliaś, Elżbieta Paszek, Wojciech Zajdel, Ewa Stępień, Krzysztof Żmudka
BACKGROUND: The use of mild therapeutic hypothermia (MTH) in patients after out-of-hospital cardiac arrest (OHCA) who are undergoing primary percutaneous coronary intervention (pPCI) can protect patients from thromboembolic complications. The aim of the study was to evaluate the adaptive mechanisms of the coagulation system in MTH-treated comatose OHCA survivors. METHODS: Twenty one comatose OHCA survivors with acute coronary syndrome undergoing immediate pPCI were treated with MTH...
July 11, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28665071/feasibility-and-safety-of-mild-therapeutic-hypothermia-in-poor-grade-subarachnoid-hemorrhage-prospective-pilot-study
#17
Wookjin Choi, Soon Chan Kwon, Won Joo Lee, Young Cheol Weon, Byungho Choi, Hyeji Lee, Eun Suk Park, Ryeok Ahn
Therapeutic hypothermia (TH) improves the neurological outcome in patients after cardiac arrest and neonatal hypoxic brain injury. We studied the safety and feasibility of mild TH in patients with poor-grade subarachnoid hemorrhage (SAH) after successful treatment. Patients were allocated randomly to either the TH group (34.5°C) or control group after successful clipping or coil embolization. Eleven patients received TH for 48 hours followed by 48 hours of slow rewarming. Vasospasm, delayed cerebral ischemia (DCI), functional outcome, mortality, and safety profiles were compared between groups...
August 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28647359/mild-hypothermia-ameliorates-muscle-wasting-in-septic-rats-associated-with-hypothalamic-ampk-induced-autophagy-and-neuropeptides
#18
Chun Cao, Tao Gao, Minhua Cheng, Fengchan Xi, Chenyan Zhao, Wenkui Yu
Sepsis, always developing muscle wasting, contributes to serious complications and mortality. Mild hypothermia has been reported to have protective effects on the prognosis of septic patients. However, the underlying mechanisms remain unclear. We therefore hypothesized that mild hypothermia could ameliorate muscle wasting during sepsis and whether it was associated with hypothalamus AMPK-induced autophagy and neuropeptides. Adult male Sprague-Dawley rats were intraperitoneally injected with lipopolysaccharide (LPS) (5 mg/kg) or saline...
August 26, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28624412/mild-hypothermia-protects-hippocampal-neurons-against-oxygen-glucose-deprivation-reperfusion-induced-injury-by-improving-lysosomal-function-and-autophagic-flux
#19
Tianen Zhou, Lian Liang, Yanran Liang, Tao Yu, Chaotao Zeng, Longyuan Jiang
Mild hypothermia has been proven to be useful to treat brain ischemia/reperfusion injury. However, the underlying mechanisms have not yet been fully elucidated. The present study was undertaken to determine whether mild hypothermia protects hippocampal neurons against oxygen-glucose deprivation/reperfusion(OGD/R)-induced injury via improving lysosomal function and autophagic flux. The results showed that OGD/R induced the occurrence of autophagy, while the acidic environment inside the lysosomes was altered...
September 15, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28611085/ccr6-cc-chemokine-receptor-6-is-essential-for-the-migration-of-detrimental-natural-interleukin-17-producing-%C3%AE-%C3%AE-t-cells-in-stroke
#20
Priyadharshini Arunachalam, Peter Ludewig, Patrick Melich, Thiruma Valavan Arumugam, Christian Gerloff, Immo Prinz, Tim Magnus, Mathias Gelderblom
BACKGROUND AND PURPOSE: Immune-mediated tissue damage after stroke evolves within the first days, and lymphocytes contribute to the secondary injury. Our goal was to identify T-cell subpopulations, which trigger the immune response. METHODS: In a model of experimental stroke, we analyzed the immune phenotype of interleukin-17 (IL-17)-producing γδ T cells and explored the therapeutic potential of neutralizing anti-IL-17 antibodies in combination with mild therapeutic hypothermia...
July 2017: Stroke; a Journal of Cerebral Circulation
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