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Mild hypothermia

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https://www.readbyqxmd.com/read/28096671/local-mild-hypothermia-therapy-as-an-augmentation-strategy-for-minimally-invasive-surgery-of-hypertensive-intracerebral-hemorrhage-a-meta-analysis-of-randomized-clinical-trials
#1
Yu Han, Ke Sheng, Meilan Su, Nan Yang, Dong Wan
BACKGROUND: Previous studies reported that the mild hypothermia therapy (MHT) could significantly improve the clinical outcomes for patients with hypertensive intracerebral hemorrhage (HICH). Therefore, this meta-analysis was conducted to systematically assess whether the addition of local MHT (LMHT) could significantly improve the efficacy of minimally invasive surgery (MIS) in treating HICH. METHODS: Randomized clinical trials on the combined application of MIS and LMHT (MIS+LMHT) vs MIS alone for treating HICH were searched up to September 2016 in databases...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28093198/mild-hypothermia-pretreatment-protects-hepatocytes-against-ischemia-reperfusion-injury-via-down-regulating-mir-122-and-igf-1r-akt-pathway
#2
Qi Xiao, Qi-Fa Ye, Wei Wang, Bi-Qi Fu, Zhi-Ping Xia, Zhong-Zhong Liu, Xing-Jian Zhang, Yan-Feng Wang
BACKGROUND: Mild hypothermia has been well known as an effective way to reduce ischemia reperfusion injury (IRI), while the mechanisms are still unclear. More and more evidences have indicated that miRNAs should been involved in the regulation of IRI and expecially some miRNAs have shown temp-responsiveness for temperature variation. Therefore, the role of miR-122 in mild hypothermia pretreatment after IRI was investigated. METHODS: We established a LO2 cell anoxia-reoxygenation injury model to simulate liver IRI...
January 13, 2017: Cryobiology
https://www.readbyqxmd.com/read/28089767/the-correlation-between-a-short-term-conventional-electroencephalography-in-the-first-day-of-life-and-brain-magnetic-resonance-imaging-in-newborns-undergoing-hypothermia-for-hypoxic-ischemic-encephalopathy
#3
Rawad Obeid, Yoshimi Sogawa, Satyanarayana Gedela, Monica Naik, Vince Lee, Richard Telesco, Jessica Wisnowski, Christine Magill, Michael J Painter, Ashok Panigrahy
OBJECTIVE: Electroencephalograph recorded in the first day of life in newborns treated with hypothermia for hypoxic-ischemic encephalopathy could be utilized as a predictive tool for the severity of brain injury on magnetic resonance imaging and mortality. STUDY DESIGN: This work was a retrospective study of newborns who were admitted for therapeutic hypothermia due to hypoxic-ischemic encephalopathy. All enrolled infants underwent encephalography within the first 24 hours of life and underwent brain magnetic resonance imaging after rewarming...
November 3, 2016: Pediatric Neurology
https://www.readbyqxmd.com/read/28069320/mild-induced-hypothermia-for-patients-with-severe-traumatic-brain-injury-after-decompressive-craniectomy
#4
Chunhai Tang, Yun Bao, Min Qi, Lizhi Zhou, Fan Liu, Jian Mao, Qingmei Lei, Songtao Qi, Binghui Qiu
PURPOSE: To evaluate the efficacy and safety of mild induced hypothermia for intracranial hypertension in patients with traumatic brain injury after decompressive craniectomy. METHODS: A total of 60 adults with intracranial pressure (ICP) of more than 20 mm Hg after decompressive craniectomy were randomly assigned to standard care (control group) or hypothermia (32°C-35°C) plus standard care. Then, ICP, cerebral perfusion pressure, Glasgow Outcome Scale score, and complications were assessed...
December 29, 2016: Journal of Critical Care
https://www.readbyqxmd.com/read/28043810/renal-sympathetic-nerve-blood-flow-and-epithelial-transport-responses-to-thermal-stress
#5
REVIEW
Thad E Wilson
Thermal stress is a profound sympathetic stress in humans; kidney responses involve altered renal sympathetic nerve activity (RSNA), renal blood flow, and renal epithelial transport. During mild cold stress, RSNA spectral power but not total activity is altered, renal blood flow is maintained or decreased, and epithelial transport is altered consistent with a sympathetic stress coupled with central volume loaded state. Hypothermia decreases RSNA, renal blood flow, and epithelial transport. During mild heat stress, RSNA is increased, renal blood flow is decreased, and epithelial transport is increased consistent with a sympathetic stress coupled with a central volume unloaded state...
December 24, 2016: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28043447/immediate-spinal-cord-collateral-blood-flow-during-thoracic-aortic-procedures-the-role-of-epidural-arcades
#6
Fabian A Kari, Karin Wittmann, Babak Saravi, Luisa Puttfarcken, Sonja Krause, Katharina Förster, Sven Maier, Ulrich Göbel, Friedhelm Beyersdorf
The objective of this study was to investigate the functional differences between paraspinal and intraspinal compartments of the spinal collateral network and the importance of circular epidural arcades in thoracic aortic surgery. N = 33 pigs (mean body weight: 34 ± 3kg) were included. A single-inlet-model of spinal collateral flow was created: paraspinal inflow into the collateral network was isolated by cephalad and caudal interruption of inflow into epidural arcades using laminectomies. Animals were assigned to treatment groups (Treatment "open" [patent epidural arcades, n = 10] and Treatment "closed" [closed epidural arcades, n = 10]) and Sham groups (Sham "open" n = 8 and Sham "closed" n = 5)...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28043422/extent-ii-thoracoabdominal-aortic-aneurysm-repair-how-i-do-it
#7
Joseph S Coselli, Kim I de la Cruz, Ourania Preventza, Scott A LeMaire, Scott A Weldon
The primary risks associated with thoracoabdominal aortic aneurysm (TAAA) repair-namely operative death, paraplegia, and renal failure necessitating dialysis-are commonly related to the distal ischemia that occurs during aortic clamping and the disruption of vital branching arteries. Our technique for open TAAA repair has evolved over the course of 3 decades, from the unheparinized, simple "clamp-and-sew" approach learned directly from E. Stanley Crawford himself to a contemporary, multimodal strategy that uses an array of surgical adjuncts...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27998781/tfp5-is-comparable-to-mild-hypothermia-in-improving-neurological-outcomes-in-early-stage-ischemic-stroke-of-adult-rats
#8
Ya-Bin Ji, Pei-Pei Zhuang, Zhong Ji, Kai-Bin Huang, Yong Gu, Yong-Ming Wu, Su-Yue Pan, Ya-Fang Hu
AIM: We compared the efficacy of a modified truncated 24-aa peptide (TFP5), derived from the cyclin-dependent kinase 5 (CDK5)-activating cofactor p35, with mild hypothermia (MH), and determined whether the efficacy of TFP5 is affected by MH. METHODS: Ischemic stroke was induced in adult male Sprague-Dawley rats for 2h. Immediately after initiating reperfusion, TFP5, MH, or the combination of the two were administrated. 48h after reperfusion, neurological outcomes were evaluated...
December 18, 2016: Neuroscience
https://www.readbyqxmd.com/read/27990123/brief-rewarming-blunts-hypothermia-induced-alterations-in-sensation-motor-drive-and-cognition
#9
Marius Brazaitis, Henrikas Paulauskas, Albertas Skurvydas, Henning Budde, Laura Daniuseviciute, Nerijus Eimantas
Background: It is well known that cold exposure experienced during occupational or recreational activities may adversely affect motor, cognitive performance, and health. Most research has used prolonged passive external rewarming modalities and focused on the direct effects on the kinetics of physiological and psychological responses in hypothermic subjects. However, the brief whole body rewarming effects on physiological and psychological responses in parallel with functional consequences on cognitive and neurophysiological functions have not been investigated...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27982758/burst-suppression-in-hypothermia-after-cardiac-arrest-because-of-drowning-treated-with-targeted-temperature-management-a-case-report
#10
Tomoya Okazaki, Toru Hifumi, Satoshi Egawa, Hideyuki Hamaya, Natsuyo Shinohara, Shohei Kawamoto, Takuma Iwaki, Kohei Tsukahara, Kenya Kawakita, Takashi Kusaka, Yasuhiro Kuroda
Outcomes of cardiac arrest (CA) because of drowning in children are generally poor, but some reports show that cases with post-CA hypothermia because of drowning exhibit good recovery when treated with targeted temperature management (TTM). However, because electroencephalogram (EEG) findings are not reported in those cases, a complete examination of brain damage has not been performed during TTM. Here we report a case of a 15-month-old boy with post-CA hypothermia recovery after treating with TTM, along with EEG findings...
December 16, 2016: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/27979578/safety-and-short-term-outcomes-of-therapeutic-hypothermia-in-preterm-neonates-34-35-weeks-gestational-age-with-hypoxic-ischemic-encephalopathy
#11
Rakesh Rao, Shamik Trivedi, Zachary Vesoulis, Steve M Liao, Christopher D Smyser, Amit M Mathur
OBJECTIVE: To evaluate the safety and short-term outcomes of preterm neonates born at 34-35 weeks gestation with hypoxic-ischemic encephalopathy (HIE) treated with therapeutic hypothermia. STUDY DESIGN: Medical records of preterm neonates born at 34-35 weeks gestational age with HIE treated with therapeutic hypothermia were retrospectively reviewed. Short-term safety outcomes and the presence, severity (mild, moderate, severe), and patterns of brain injury on magnetic resonance imaging were reviewed using a standard scoring system, and compared with a cohort of term neonates with HIE treated with therapeutic hypothermia...
December 13, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27958774/early-stage-hyperoxia-is-associated-with-favorable-neurological-outcomes-and-survival-following-severe-traumatic-brain-injury-a-post-hoc-analysis-of-the-b-hypo-study
#12
Motoki Fujita, Yasutaka Oda, Susumu Yamashita, Kotaro Kaneda, Tadashi Kaneko, Eiichi Suehiro, Kenji Dohi, Yasuhiro Kuroda, Hitoshi Kobata, Ryosuke Tsuruta, Tsuyoshi Maekawa
The effects of hyperoxia on the neurological outcomes of patients with severe traumatic brain injury (TBI) are still controversial. We examined whether the partial pressure of arterial oxygen (PaO2) and hyperoxia are associated with neurological outcomes and survival by conducting post hoc analyses of the Brain Hypothermia (B-HYPO) study, a multicenter randomized controlled trial of mild therapeutic hypothermia for severe TBI. The differences in PaO2 and PaO2/fraction of inspiratory oxygen (P/F) ratio on the first day of admission were compared between patients with favorable (n = 64) and unfavorable neurological outcomes (n = 65) and between survivors (n = 90) and deceased patients (n = 39)...
December 13, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27923323/mild-hypothermia-promotes-pericontusion-neuronal-sprouting-via-suppressing-suppressor-of-cytokine-signaling-3-expression-after-moderate-traumatic-brain-injury
#13
Cheng-Cheng Zhao, Chuan-Fang Wang, Wei-Ping Li, Yong Lin, Qi-Lin Tang, Jun-Feng Feng, Qing Mao, Guo-Yi Gao, Ji-Yao Jiang
Mild therapeutic hypothermia is a candidate for the treatment of traumatic brain injury (TBI). However, the role of mild hypothermia in neuronal sprouting after TBI remains obscure. We used a fluid percussion injury (FPI) model to assess the effect of mild hypothermia on pericontusion neuronal sprouting after TBI in rats. Male Sprague-Dawley rats underwent FPI or sham surgery, followed by mild hypothermia treatment (33°C) or normothermia treatment (37°C) for 3 h. All the rats were euthanized at 7 days after FPI...
January 13, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27920725/controlled-reperfusion-strategies-improve-cardiac-hemodynamic-recovery-after-warm-global-ischemia-in-an-isolated-working-rat-heart-model-of-donation-after-circulatory-death-dcd
#14
Emilie Farine, Petra Niederberger, Rahel K Wyss, Natalia Méndez-Carmona, Brigitta Gahl, Georg M Fiedler, Thierry P Carrel, Hendrik T Tevaearai Stahel, Sarah L Longnus
Aims: Donation after circulatory death (DCD) could improve cardiac graft availability, which is currently insufficient to meet transplant demand. However, DCD organs undergo an inevitable period of warm ischemia and most cardioprotective approaches can only be applied at reperfusion (procurement) for ethical reasons. We investigated whether modifying physical conditions at reperfusion, using four different strategies, effectively improves hemodynamic recovery after warm ischemia. Methods and Results: Isolated hearts of male Wistar rats were perfused in working-mode for 20 min, subjected to 27 min global ischemia (37°C), and 60 min reperfusion (n = 43)...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27917359/protective-roles-of-intra-arterial-mild-hypothermia-and-arterial-thrombolysis-in-acute-cerebral-infarction
#15
Xiaoxiang Peng, Yue Wan, Wenjun Liu, Bitang Dan, Li Lin, Zhouping Tang
OBJECTIVE: Herein, we evaluated the efficacy and safety of intra-arterial mild hypothermia in combination with arterial thrombolysis to treat acute cerebral infarction due to middle cerebral artery occlusion. METHODS: A total of 26 patients with acute middle cerebral artery occlusion were divided into a normothermia group (n = 15) and a mild hypothermia group (n = 11). The infarct volumes at 24 h and 7 days after the operation were compared between the normothermia group and the mild hypothermia group...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27891281/septooptic-dysplasia-with-an-associated-arachnoid-cyst
#16
Skyler V McLaurin-Jiang, Julie K Wood, David F Crudo
A 4-week-old male infant presented with hypothermia, hypoglycemia, and hyperbilirubinemia. His medical history was remarkable for hydrocephalus secondary to an arachnoid cyst, intermittent hypoglycemia, hypothermia, and poor feeding requiring nasogastric tube for nutrition. Physical exam revealed retrognathia, mild hypotonia, micropenis, and clinodactyly. Ophthalmologic exam demonstrated bilateral optic nerve hypoplasia (ONH). Laboratory data confirmed inadequate cortisol and growth hormone response to hypoglycemia, a low thyroxine level, and direct hyperbilirubinemia...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27887653/intravascular-versus-surface-cooling-for-targeted-temperature-management-after-out-of-hospital-cardiac-arrest-an-analysis-of-the-ttm-trial-data
#17
Guy W Glover, Richard M Thomas, George Vamvakas, Nawaf Al-Subaie, Jules Cranshaw, Andrew Walden, Matthew P Wise, Marlies Ostermann, Emma Thomas-Jones, Tobias Cronberg, David Erlinge, Yvan Gasche, Christian Hassager, Janneke Horn, Jesper Kjaergaard, Michael Kuiper, Tommaso Pellis, Pascal Stammet, Michael Wanscher, Jørn Wetterslev, Hans Friberg, Niklas Nielsen
BACKGROUND: Targeted temperature management is recommended after out-of-hospital cardiac arrest and may be achieved using a variety of cooling devices. This study was conducted to explore the performance and outcomes for intravascular versus surface devices for targeted temperature management after out-of-hospital cardiac arrest. METHOD: A retrospective analysis of data from the Targeted Temperature Management trial. N = 934. A total of 240 patients (26%) managed with intravascular versus 694 (74%) with surface devices...
November 26, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27881816/hypothermia-treated-neonates-with-hypoxic-ischemic-encephalopathy-optimal-timing-of-quantitative-adc-measurement-to-predict-disease-severity
#18
Yauk K Lee, Alex Penn, Mahesh Patel, Rajul Pandit, Dongli Song, Bo Yoon Ha
To determine the optimal time window for MR imaging with quantitative ADC measurement in neonatal HIE after hypothermia treatment, a retrospective review was performed on consecutive hypothermia-treated term neonates with HIE, with an initial and follow-up MR imaging within the first two weeks of life. Three neuroradiologists categorized each set of MR imaging as normal, mild, moderate or severe HIE based on a consensus review of the serial imaging. The lowest ADC values from the white matter, corpus callosum, and basal ganglia/thalamus were measured...
November 23, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27869292/model-based-investigation-of-intracellular-processes-determining-antibody-fc-glycosylation-under-mild-hypothermia
#19
Si Nga Sou, Philip M Jedrzejewski, Ken Lee, Christopher Sellick, Karen M Polizzi, Cleo Kontoravdi
Despite the positive effects of mild hypothermic conditions on monoclonal antibody (mAb) productivity (qmAb ) during mammalian cell culture, the impact of reduced culture temperature on mAb Fc-glycosylation and the mechanism behind changes in the glycan composition is not fully established. The lack of knowledge about the regulation of dynamic intracellular processes under mild hypothermia restricts bioprocess optimisation. To address this issue, a mathematical model that quantitatively describes CHO cell behaviour and metabolism, mAb synthesis and its N-linked glycosylation profiles before and after the induction of mild hypothermia is constructed using two sets of parameters...
November 21, 2016: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/27849939/297-mild-hypothermia-inhibits-mitochondria-fission-and-brain-injury-in-a-rat-model-of-cardiac-arrest
#20
Peng Wang, Yi Li, Zhengfei Yang, Jiali Lin, Zitong Huang, Wanchun Tang
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
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