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Mild hypothermia

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https://www.readbyqxmd.com/read/28793036/effect-of-mild-hypothermia-on-renal-ischemia-reperfusion-injury-after-cardiopulmonary-resuscitation-in-a-swine-model
#1
Wei Yuan, Jun-Yuan Wu, Yong-Zhen Zhao, Jie Li, Jie-Bin Li, Zhen-Hua Li, Chun-Sheng Li
Purpose: To investigate the effect of intravascular cooling on renal function after resuscitation. Methods: Twenty four pigs were randomized into three groups (n=8 in each group): therapeutic hypothermia group (TH group), normothermia group (NH group) and sham operation group (SHAM group). After 6 minutes of untreated VF, CPR was performed. Upon ROSC, the TH group received the intravascular cooling. The NH and SHAM group did not undergo therapeutic hypothermia. Haemodynamic parameters were recorded...
July 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28772198/cerebral-regional-oxygen-saturation-trends-in-infants-with-hypoxic-ischemic-encephalopathy
#2
Siddharth V Jain, Lindsay Pagano, Maria Gillam-Krakauer, James C Slaughter, Sumit Pruthi, Barbara Engelhardt
BACKGROUND: Neurological outcomes in neonatal hypoxic-ischemic encephalopathy (HIE) continue to be sub-optimal despite therapeutic hypothermia (TH). Cerebral near-infrared spectroscopy provides real-time regional oxygen saturation (CrSO2) that may be a marker of adverse MRI findings and neurodevelopmental outcomes. AIM: The aim of this study was to examine the value of CrSO2 monitoring in infants with HIE undergoing TH. STUDY DESIGN AND SUBJECTS: In this prospective study, CrSO2 was continuously recorded in 21 infants with HIE admitted for TH...
July 31, 2017: Early Human Development
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
#3
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
#4
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/28758873/platelet-aggregation-during-targeted-temperature-management-after-out-of-hospital-cardiac-arrest-a-randomised-clinical-trial
#5
Anni Nørgaard Jeppesen, Anne-Mette Hvas, Anders Morten Grejs, Christophe Duez, Susanne Ilkjær, Hans Kirkegaard
Some studies conclude that mild hypothermia causes platelet dysfunction leading to an increased bleeding risk, whereas others state that platelet aggregation is enhanced during mild hypothermia. Therefore, the aim of this study was to clarify whether standard or prolonged duration of targeted temperature management affected platelet aggregation. We randomised 82 comatose patients resuscitated after out-of-hospital cardiac arrest to either 24 hours (standard group) or 48 hours (prolonged group) of targeted temperature management at 33±1°C...
July 31, 2017: Platelets
https://www.readbyqxmd.com/read/28756471/the-research-agenda-for-trauma-critical-care
#6
REVIEW
Karim Asehnoune, Zsolt Balogh, Giuseppe Citerio, Andre Cap, Timothy Billiar, Nino Stocchetti, Mitchell J Cohen, Paolo Pelosi, Nicola Curry, Christine Gaarder, Russell Gruen, John Holcomb, Beverley J Hunt, Nicole P Juffermans, Mark Maegele, Mark Midwinter, Frederick A Moore, Michael O'Dwyer, Jean-François Pittet, Herbert Schöchl, Martin Schreiber, Philip C Spinella, Simon Stanworth, Robert Winfield, Karim Brohi
In this research agenda on the acute and critical care management of trauma patients, we concentrate on the major factors leading to death, namely haemorrhage and traumatic brain injury (TBI). In haemostasis biology, the results of randomised controlled trials have led to the therapeutic focus moving away from the augmentation of coagulation factors (such as recombinant factor VIIa) and towards fibrinogen supplementation and administration of antifibrinolytics such as tranexamic acid. Novel diagnostic techniques need to be evaluated to determine whether an individualised precision approach is superior to current empirical practice...
July 29, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28744645/effect-of-hypothermia-on-kinetic-characteristics-of-lactate-dehydrogenase-in-rat-brain-under-conditions-of-global-ischemia-and-reperfusion
#7
R A Khalilov, A M Dzhafarova, S I Khizrieva
We studied activity and kinetic characteristics of lactate dehydrogenase (LDH) in rat brain under conditions of incomplete global ischemia followed by reperfusion against the background of mild hypothermia. It was found that hypothermia leads to a decrease in LDH activity in the ischemic brain; the maximum velocity of the enzyme-catalyzed activity decreased and Michaelis constant increased, due to which the efficiency of catalysis decreased to the level observed in control rats. Ischemia against the background of hypothermia was accompanied by a decrease in the inhibition constant and narrowing of effective pyruvate concentration range...
July 25, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28723980/preliminary-results-of-topical-hepatic-hypothermia-in-a-model-of-liver-ischemia-reperfusion-injury-in-rats
#8
Emilio Elias Abdo, Estela Regina Ramos Figueira, Joel Avancini Rocha-Filho, Eleazar Chaib, Luiz Augusto Carneiro D'Albuquerque, Telesforo Bacchella
BACKGROUND: Ischemia/reperfusion causes organ damage but it is mandatory in hepatic transplantation, trauma and other complex liver surgeries, when Pringle maneuver is applied to minimize bleeding during these procedures. It is well known that liver ischemia/reperfusion leads to microcirculatory disturbance and cellular injury. In this setting hypothermia is known to reduce oxygen demand, lowering intracellular metabolism. OBJECTIVE: To evaluate the effects of hypothermia in liver ischemia/reperfusion injury, using a new model of topic isolated liver hypothermia...
July 6, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28710023/transient-brain-hypothermia-reduces-the-reperfusion-injury-of-delayed-tissue-plasminogen-activator-and-extends-its-therapeutic-time-window-in-a-focal-embolic-stroke-model
#9
Mohammadreza Zarisfi, Fatemeh Allahtavakoli, Mahsa Hassanipour, Mohammad Khaksari, Hossain Rezazadeh, Mohammad Allahtavakoli, Mohammad Mohsen Taghavi
It has been reported that restriction of reperfusion after thrombolytic therapy in ischemic stroke may reduce tissue plasminogen activator (tPA) adverse effects and extend its time window. We examined whether shortIt has been reported that restriction of reperfusion after thrombolytic therapy in ischemic stroke may reduce tissue plasminogen activator (tPA) adverse effects and extend its time window. We examined whether short-term and mild local brain cooling can prevent hyperemia and/or adverse effects of delayed tPA in rat embolic stroke model...
July 11, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28709662/neonatal-aortic-arch-reconstruction-with-direct-splanchnic-perfusion-avoids-deep-hypothermia
#10
Muhammad Aanish Raees, Clinton D Morgan, Venessa L Pinto, Ashly C Westrick, Chevis N Shannon, Karla G Christian, Bret A Mettler, David P Bichell
BACKGROUND: Neonatal aortic arch reconstruction, typically performed with deep hypothermia and selective cerebral perfusion, leaves splanchnic organ protection dependent on hypothermia alone. A simplified method of direct in-field descending aortic perfusion during neonatal arch reconstruction permits the avoidance of deep hypothermia. We hypothesize that direct splanchnic perfusion at mild hypothermia provides improved or equivalent safety compared with deep hypothermia and may contribute to postoperative extracardiac organ recovery...
July 11, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28706520/hypothermia-promotes-interleukin-22-expression-and-fine-tunes-its-biological-activity
#11
Evgeny Chichelnitskiy, Britta Himmelseher, Malte Bachmann, Josef Pfeilschifter, Heiko Mühl
Disturbed homeostasis as a result of tissue stress can provoke leukocyte responses enabling recovery. Since mild hypothermia displays specific clinically relevant tissue-protective properties and interleukin (IL)-22 promotes healing at host/environment interfaces, effects of lowered ambient temperature on IL-22 were studied. We demonstrate that a 5-h exposure of endotoxemic mice to 4°C reduces body temperature by 5.0° and enhances splenic and colonic il22 gene expression. In contrast, tumor necrosis factor-α and IL-17A were not increased...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28705742/an-acute-oral-intoxication-with-haloperidol-decanoate-a-case-report
#12
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...
July 5, 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
#13
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/28688668/infectious-outcomes-of-gastroschisis-patients-with-intraoperative-hypothermia
#14
Rachel M Landisch, Roxanne L Massoumi, Melissa Christensen, Amy J Wagner
BACKGROUND: Perioperative hypothermia decreases nutrient and oxygen delivery to tissues and, in adult studies, increases the risk of infectious complications (ICs). Gastroschisis (GS) places newborns at risk for hypothermia by nature of exposed viscera and excessive heat loss. Although hypothermia is a known cause of mortality in GS, the rate of ICs in this at-risk cohort has not yet been delineated. MATERIALS AND METHODS: A retrospective cohort study was performed at our single tertiary-referral hospital, evaluating patient and operative characteristics of all GS infants who underwent operative closure...
July 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28682946/cerebral-alterations-following-experimental-multiple-trauma-and-hemorrhagic-shock
#15
Nina Vogt, Christiane Herden, Elke Roeb, Martin Roderfeld, Daphne Eschbach, Thorsten Steinfeldt, Hinnerk Wulf, Steffen Ruchholtz, Eberhard Uhl, Karsten Schöller
Multiple trauma (MT) associated with hemorrhagic shock (HS) might lead to cerebral hypoperfusion and brain damage. We investigated cerebral alterations using a new porcine MT/HS model without traumatic brain injury (TBI) and assessed the neuroprotective properties of mild therapeutic hypothermia. Male pigs underwent standardized MT with HS (45% or 50% loss of blood volume) and resuscitation after 90/120 minutes (T90/T120). In additional groups (TH90/TH120) mild hypothermia (33°C) was induced following resuscitation...
July 4, 2017: Shock
https://www.readbyqxmd.com/read/28678857/effects-of-a-compound-from-the-group-of-substituted-thiadiazines-with-hypothermia-inducing-properties-on-brain-metabolism-in-rats-a-study-in-vivo-and-in-vitro
#16
O B Shevelev, N B Illarionova, D V Petrovski, A P Sarapultsev, O N Chupakhin, M P Moshkin
The aim of the present study was to examine how administration of a compound of 1,3,4- thiadiazine class 2-morpholino-5-phenyl-6H-1,3,4-thiadiazine, hydrobromide (L-17) with hypothermia inducing properties affects the brain metabolism. The mechanism by which L-17 induces hypothermia is unknown; it may involve hypothalamic central thermoregulation as well as act via inhibition of energy metabolism. We tested the hypothesis that L-17 may induce hypothermia by directly inhibiting energy metabolism. The study in vivo was carried out on Sprague-Dawley adult rats...
2017: PloS One
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...
June 21, 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...
June 15, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28623417/a-validated-clinical-mri-injury-scoring-system-in-neonatal-hypoxic-ischemic-encephalopathy
#20
Shamik B Trivedi, Zachary A Vesoulis, Rakesh Rao, Steve M Liao, Joshua S Shimony, Robert C McKinstry, Amit M Mathur
BACKGROUND: Deep nuclear gray matter injury in neonatal hypoxic-ischemic encephalopathy (HIE) is associated with worse neurodevelopmental outcomes. We previously published a qualitative MRI injury scoring system utilizing serial T1-weighted, T2-weighted and diffusion-weighted imaging (DWI), weighted for deep nuclear gray matter injury. OBJECTIVES: To establish the validity of the MRI scoring system with neurodevelopmental outcome at 18-24 months. MATERIALS AND METHODS: MRI scans from neonates with moderate to severe HIE treated with therapeutic hypothermia were evaluated...
June 16, 2017: Pediatric Radiology
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