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Therapeutic hypothermia

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https://www.readbyqxmd.com/read/29150777/glibenclamide-and-therapeutic-hypothermia-have-comparable-effect-on-attenuating-global-cerebral-edema-following-experimental-cardiac-arrest
#1
Shin Nakayama, Noriko Taguchi, Yumi Isaka, Takako Nakamura, Makoto Tanaka
BACKGROUND: Cerebral edema is one of the major causes of mortality following cardiac arrest (CA) and cardiopulmonary resuscitation (CPR). A subunit of the sulfonylurea receptor 1-transient receptor potential M4 (Sur1-TRPM4) channel has been implicated in the pathogenesis of ischemia-evoked cerebral edema. In this study, we examined whether glibenclamide (GBC), a Sur1-TRPM4 channel inhibitor, attenuates cerebral edema following CA/CPR and further examined the efficacy of GBC combined with therapeutic hypothermia...
November 17, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/29150491/hypothermia-modulates-arrhythmia-substrates-during-different-phases-of-resuscitation-from-ischemic-cardiac-arrest
#2
Joseph S Piktel, Aurelia Cheng, Matthew McCauley, Zack Dale, Michelle Nassal, Danielle Maleski, Gary Pawlowski, Kenneth R Laurita, Lance D Wilson
BACKGROUND: We designed an innovative porcine model of ischemia-induced arrest to determine dynamic arrhythmia substrates during focal infarct, global ischemia from ventricular tachycardia or fibrillation (VT/VF) and then reperfusion to determine the effect of therapeutic hypothermia (TH) on dynamic arrhythmia substrates and resuscitation outcomes. METHODS AND RESULTS: Anesthetized adult pigs underwent thoracotomy and regional plunge electrode placement in the left ventricle...
November 17, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29138889/-hypothermia-induced-ecg-changes-characteristic-but-not-specific
#3
G Michels, S Ney, F Hoffmann, J Brugada, R Pfister, K Brockmeier, A Sultan
Hypothermia-induced J‑ or so-called Osborn waves can be detected under therapeutic hypothermia in approximately 20-40% of cases. The occurrence of J‑waves in the context of the targeted temperature management after cardiopulmonary resuscitation is characteristic, but not pathognomonic for hypothermia. An electrocardiographic diagnosis under hypothermia after cardiac arrest should always be done with caution due to the various hypothermia-associated electromechanical changes of the myocardium.
November 14, 2017: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/29138115/active-forms-of-akt-and-erk-are-dominant-in-the-cerebral-cortex-of-newborn-pigs-that-are-unaffected-by-asphyxia
#4
Viktória Kovács, Valéria Tóth-Szűki, János Németh, Viktória Varga, Gábor Remzső, Ferenc Domoki
AIMS: Perinatal asphyxia (PA) often results in hypoxic-ischemic encephalopathy (HIE) in term neonates. Introduction of therapeutic hypothermia improved HIE outcome, but further neuroprotective therapies are still warranted. The present study sought to determine the feasibility of the activation of the cytoprotective PI-3-K/Akt and the MAPK/ERK signaling pathways in the subacute phase of HIE development in a translational newborn pig PA/HIE model. MAIN METHODS: Phosphorylated and total levels of Akt and ERK were determined by Western blotting in brain samples obtained from untreated naive, time control, and PA/HIE animals at 24-48h survival (n=3-3-6,respectively)...
November 11, 2017: Life Sciences
https://www.readbyqxmd.com/read/29137939/in-silico-identification-and-in-vivo-characterization-of-small-molecule-therapeutic-hypothermia-mimetics
#5
Claire Coderch, María Díaz de Cerio, Jose María Zapico, Rafael Peláez, Ignacio M Larrayoz, Ana Ramos, Alfredo Martínez, Beatriz de Pascual-Teresa
Hypothermia has been proved to have a beneficial effect on several pathologies. CIRBP is one of the so termed cold-shock proteins involved in this process. In this work, we have detected small molecules capable of modulating the activity of CIRBP in the absence of a cold stimulus, by High Throughput Virtual Screening (HTVS) of the Diversity Set IV of the NCI and 15 compounds of our in-house data base. Fifteen compounds were selected from the HTVS to carry out a second screening through a cell-based Western blot assay...
October 31, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29135501/temperature-variability-in-a-modern-targeted-temperature-management-trial
#6
Ahmad Abu-Arafeh, Aryelly Rodriguez, Ross L Paterson, Peter J D Andrews
OBJECTIVES: The Eurotherm3235 trial showed that therapeutic hypothermia was deleterious in patients with raised intracranial pressure following traumatic brain injury. We sought to ascertain if increased temperature variability within the first 48 hours, or for 7 days post randomization, were modifiable risk factors associated with poorer outcome. DESIGN: Eurotherm3235 was a multicenter randomized controlled trial. Patients were randomized to receive either therapeutic hypothermia in addition to standard care or the later only...
November 10, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/29131707/plasma-neutrophil-gelatinase-associated-lipocalin-measured-immediately-after-restoration-of-spontaneous-circulation-predicts-acute-kidney-injury-in-cardiac-arrest-survivors-who-underwent-therapeutic-hypothermia
#7
Dong Hun Lee, Byung Kook Lee, Yong Soo Cho, Yong Hun Jung, Sung Min Lee, Jung Soo Park, Kyung Woon Jeung
Early diagnosis of acute kidney injury (AKI) after cardiac arrest (CA) is challenging. We aimed to identify the diagnostic and prognostic performance of neutrophil gelatinase-associated lipocalin (NGAL) for AKI and its clinical outcomes. A retrospective observational study, involving adult comatose CA survivors treated with therapeutic hypothermia between May 2013 and December 2016, was conducted. AKI was classified according to the guidelines of Kidney Disease Improving Global Outcomes. NGAL levels were measured after return of spontaneous circulation (ROSC)...
November 13, 2017: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/29129133/association-between-hypocapnia-and-ventilation-during-the-first-days-of-life-and-brain-injury-in-asphyxiated-newborns-treated-with-hypothermia
#8
Maria Agustina Lopez Laporte, Hui Wang, Priscille-Nice Sanon, Stephanie Barbosa Vargas, Julie Maluorni, Emmanouil Rampakakis, Pia Wintermark
PURPOSE: Therapeutic hypothermia is the standard treatment for asphyxiated newborns. Since hypocapnia is common in these newborns, the aim of this study was to assess the association between hypocapnia, ventilation and brain injury. METHODS: We conducted a retrospective cohort study of all asphyxiated newborns treated with hypothermia from 2008 to 2014. Partial pressure of carbon dioxide (pCO2), ventilatory status and modes of ventilation were recorded during the first 4 days of life...
November 12, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29126856/nlx-112-a-highly-selective-5-ht1a-receptor-agonist-effects-on-body-temperature-and-plasma-corticosterone-levels-in-rats
#9
A Newman-Tancredi, R Depoortère, E Carilla-Durand, J P Tarayre, M Kleven, W Koek, L Bardin, M A Varney
NLX-112 (a.k.a. F13640 or befiradol), exhibits nanomolar affinity, exceptional selectivity and high agonist efficacy at 5-hydroxytryptamine 5-HT1A receptors. It possesses marked activity in a variety of animal models of depression, pain and L-DOPA-induced dyskinesia. However, its influence on translational biomarkers of central 5-HT1A receptor activation has not been previously described. Here, we report on the activity, in rats, of NLX-112 to increase plasma corticosterone levels and produce hypothermia, two responses which are also elicited by 5-HT1A receptor agonists in humans...
November 7, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29117111/the-vascular-factor-plays-the-main-role-in-the-cause-of-pain-in-men-with-chronic-prostatitis-and-chronic-pelvic-pain-syndrome-the-results-of-clinical-trial-on-thermobalancing-therapy
#10
Simon Allen
Chronic pain in patients with chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS), NIH category III is difficult to treat without understanding its cause. The main symptom of chronic prostatitis is pain. In this study, we would like to explain the origin of pain in men with CP/CPPS and its therapy. Forty-five patients with CP/CPPS have received thermobalancing therapy (TT) enabled by Dr Allen's therapeutic device (DATD) for six months as mono-therapy. The control group comprised 45 men with CP/CPPS did not receive TT...
November 8, 2017: Diseases (Basel)
https://www.readbyqxmd.com/read/29113791/pd149163-induces-hypothermia-to-protect-against-brain-injury-in-acute-cerebral-ischemic-rats
#11
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/29108501/occult-massive-visceral-fat-necrosis-following-therapeutic-hypothermia-for-neonatal-encephalopathy
#12
Salwa Khedr, Anna Piskorski, Adrienne R Bingham, Justin Goldstein, Abbot R Laptook, Monique E De Paepe
Therapeutic hypothermia (head or whole-body cooling) improves survival and neurodevelopmental outcome in term newborns with moderate-to-severe encephalopathy. Hypothermia treatment is well tolerated; the most common side effect is thrombocytopenia. In about 1% of infants, focal subcutaneous fat necrosis has been reported. We describe a case of clinically unsuspected massive visceral fat necrosis in a term infant with Apgar score 0 at 1 min ("resuscitated apparently stillborn" infant) who was treated with therapeutic hypothermia for 72 h and expired on the 25th day of life following a neonatal course complicated by severe encephalopathy, pulmonary artery hypertension, persistent thrombocytopenia, hypoglycemia, and severe basal ganglia-thalamic abnormalities on magnetic resonance imaging...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/29103575/hypothermia-update-on-risks-and-therapeutic-and-prophylactic-applications
#13
REVIEW
Miguel A Cobas, Arnaldo Vera-Arroyo
No abstract text is available yet for this article.
2017: Advances in Anesthesia
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
#14
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/29097738/pharmacologically-induced-reversible-hypometabolic-state-mitigates-radiation-induced-lethality-in-mice
#15
Subhajit Ghosh, Namita Indracanti, Jayadev Joshi, Jharna Ray, Prem Kumar Indraganti
Therapeutic hypothermia has proven benefits in critical care of a number of diseased states, where inflammation and oxidative stress are the key players. Here, we report that adenosine monophosphate (AMP) triggered hypometabolic state (HMS), 1-3 hours after lethal total body irradiation (TBI) for a duration of 6 hours, rescue mice from radiation-induced lethality and this effect is mediated by the persistent hypothermia. Studies with caffeine and (6)N-cyclohexyladenosine, a non-selective antagonist and a selective agonist of adenosine A1 receptor (A1AR) respectively, indicated the involvement of adenosine receptor (AR) signaling...
November 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29095291/relevance-of-urinary-s100b-protein-levels-as-a-short-term-prognostic-biomarker-in-asphyxiated-infants-treated-with-hypothermia
#16
Ayham Alshweki, Alejandro Pérez-Muñuzuri, Olalla López-Suárez, Ana Baña, Maria L Couce
The initial diagnosis of neonatal hypoxic-ischemic encephalopathy is based on nervous system clinical manifestations. The use of biomarkers to monitor brain injury and evaluate neuroprotective effects allows early intervention and treatment. This study was designed to determine the short-term prognostic significance of urinary S100B calcium-binding protein (S100B) in asphyxiated newborns treated with hypothermia.An observational prospective study was conducted over a period of 5 years in 31 newborns with hypoxic-ischemic encephalopathy who received therapeutic hypothermia...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29075530/variability-in-glycemic-control-with-temperature-transitions-during-therapeutic-hypothermia
#17
Krystal K Haase, Jennifer L Grelle, Faisal A Khasawneh, Chiamaka Ike
PURPOSE: Patients treated with therapeutic hypothermia (TH) and continuous insulin may be at increased risk of hyperglycemia or hypoglycemia, particularly during temperature transitions. This study aimed to evaluate frequency of glucose excursions during each phase of TH and to characterize glycemic control patterns in relation to survival. METHODS: Patients admitted to a tertiary care hospital for circulatory arrest and treated with both therapeutic hypothermia and protocol-based continuous insulin between January 2010 and June 2013 were included...
2017: Critical Care Research and Practice
https://www.readbyqxmd.com/read/29072571/efficacy-of-thermobalancing-therapy-for-chronic-prostatitis-chronic-pelvic-pain-syndrome-confirmed-by-clinical-study-may-suggest-etiology-and-pathophysiology-of-this-disease
#18
Simon Allen, Ivan Gerasimovich Aghajanyan
INTRODUCTION: Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) type-III is a common disorder characterized by pelvic pain and lower urinary tract symptoms in the absence of active infection. The aim of this clinical study is to evaluate the results of thermobalancing therapy (TT) and to discus the possible etiology and pathophysiology of CP/CPPS. METHODS: 45 patients with CP/CPPS used TT by applying therapeutic device, namely Dr Allen's therapeutic device (DATD), for six months as monotherapy...
November 11, 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29068759/severe-burns-in-a-patient-after-out-of-hospital-cpr
#19
Nir Biterman, Arthur Kerner, Doron Aronson, Yaron BarLavie, Yehuda Ullmann, Michael Kapeliovich
We present a case of a patient after prolonged cardio-pulmonary resuscitation on hot asphalt, who suffered from first and second degree burns which worsened during hospitalization. The patient was treated with therapeutic hypothermia. Possible effect of therapeutic hypothermia on the course of burns is discussed.
October 25, 2017: Acute Cardiac Care
https://www.readbyqxmd.com/read/29067428/effect-of-therapeutic-hypothermia-initiated-after-6-hours-of-age-on-death-or-disability-among-newborns-with-hypoxic-ischemic-encephalopathy-a-randomized-clinical-trial
#20
RANDOMIZED CONTROLLED TRIAL
Abbot R Laptook, Seetha Shankaran, Jon E Tyson, Breda Munoz, Edward F Bell, Ronald N Goldberg, Nehal A Parikh, Namasivayam Ambalavanan, Claudia Pedroza, Athina Pappas, Abhik Das, Aasma S Chaudhary, Richard A Ehrenkranz, Angelita M Hensman, Krisa P Van Meurs, Lina F Chalak, Shannon E G Hamrick, Gregory M Sokol, Michele C Walsh, Brenda B Poindexter, Roger G Faix, Kristi L Watterberg, Ivan D Frantz, Ronnie Guillet, Uday Devaskar, William E Truog, Valerie Y Chock, Myra H Wyckoff, Elisabeth C McGowan, David P Carlton, Heidi M Harmon, Jane E Brumbaugh, C Michael Cotten, Pablo J Sánchez, Anna Maria Hibbs, Rosemary D Higgins
Importance: Hypothermia initiated at less than 6 hours after birth reduces death or disability for infants with hypoxic-ischemic encephalopathy at 36 weeks' or later gestation. To our knowledge, hypothermia trials have not been performed in infants presenting after 6 hours. Objective: To estimate the probability that hypothermia initiated at 6 to 24 hours after birth reduces the risk of death or disability at 18 months among infants with hypoxic-ischemic encephalopathy...
October 24, 2017: JAMA: the Journal of the American Medical Association
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