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https://www.readbyqxmd.com/read/28331321/monitoring-brain-multiparameters-and-hypothermia-in-severe-traumatic-brain-injury
#1
COMMENT
Fernando Roberto de Vasconcelos, Almir Ferreira de Andrade, Manoel Jacobsen Teixeira, Wellingson Silva Paiva
No abstract text is available yet for this article.
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28330964/thermoregulatory-inversion-a-novel-thermoregulatory-paradigm
#2
Domenico Tupone, Georgina Cano, Shaun F Morrison
To maintain core body temperature in mammals, the normal CNS thermoregulatory reflex networks produce an increase in brown adipose tissue (BAT) thermogenesis in response to skin cooling, and an inhibition of the sympathetic outflow to BAT during skin rewarming. In contrast, these normal thermoregulatory reflexes appear to be inverted in hibernation/torpor: thermogenesis is inhibited during exposure to a cold environment, allowing dramatic reductions in core temperature and metabolism, and thermogenesis is activated during skin rewarming, contributing to a return of normal body temperature...
March 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28330928/surgery-for-cancer-a-trigger-for-metastases
#3
REVIEW
Samer Tohme, Richard L Simmons, Allan Tsung
Surgery is a crucial intervention and provides a chance of cure for patients with cancer. The perioperative period is characterized by an increased risk for accelerated growth of micrometastatic disease and increased formation of new metastatic foci. The true impact for cancer patients remains unclear. This review summarizes the often fragmentary clinical and experimental evidence supporting the role of surgery and inflammation as potential triggers for disease recurrence. Surgery induces increased shedding of cancer cells into the circulation, suppresses antitumor immunity allowing circulating cells to survive, upregulates adhesion molecules in target organs, recruits immune cells capable of entrapping tumor cells, and induces changes in the target tissue and in the cancer cells themselves to enhance migration and invasion to establish at the target site...
March 22, 2017: Cancer Research
https://www.readbyqxmd.com/read/28325719/near-death-by-milk-of-magnesia
#4
Ahmed Alaini, Carlos A Roldan, Karen Servilla, Elizabeth Sage Colombo
We report a case of hypermagnesemia associated with the use of milk of magnesia in a male patient with end-stage renal disease. After experiencing nausea and vomiting, he developed severe bradycardia and then asystole. Resuscitation efforts were successful; however, he developed atrial fibrillation with severe widening of the QRS and diffuse ST elevation, hypothermia, hypotension and apnoea requiring intubation. Initial diagnoses included ST-elevation myocardial infarction, cardiogenic and/or septic shock and hyperkalaemia...
March 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28324998/prediction-of-the-outcome-in-cardiac-arrest-patients-undergoing-hypothermia-using-eeg-wavelet-entropy
#5
Hana Moshirvaziri, Nima Ramezan-Arab, Shadnaz Asgari
Cardiac arrest (CA) is the leading cause of death in the United States. Induction of hypothermia has been found to improve the functional recovery of CA patients after resuscitation. However, there is no clear guideline for the clinicians yet to determine the prognosis of the CA when patients are treated with hypothermia. The present work aimed at the development of a prognostic marker for the CA patients undergoing hypothermia. A quantitative measure of the complexity of Electroencephalogram (EEG) signals, called wavelet sub-band entropy, was employed to predict the patients' outcomes...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28322600/renal-mitochondrial-response-to-low-temperature-in-non-hibernating-and-hibernating-species
#6
George J Dugbartey, Maarten C Hardenberg, Wendelinde F Kok, Ate Boerema, Hannah V Carey, James Staples, Robert H Henning, Hjalmar Bouma
SIGNIFICANCE: Therapeutic hypothermia is commonly applied to limit ischemic injury in organ transplantation, during cardiac and brain surgery and after cardiopulmonary resuscitation. In these procedures, the kidneys are particularly at risk for ischemia/reperfusion injury (IRI), likely due to their high rate of metabolism. Although hypothermia mitigates ischemic kidney injury, it is not a panacea. Residual mitochondrial failure is thought to be a key event triggering loss of cellular homeostasis, and potentially cell death...
March 21, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28317612/hormonal-electrolytic-and-electrocardiographic-evaluations-in-bitches-with-eutocia-and-dystocia
#7
Carla Regina Barbieri Simões, Flávia Gardilin Vassalo, Maria Lúcia Gomes Lourenço, Fabiana Ferreira de Souza, Eunice Oba, Mateus José Sudano, Nereu Carlos Prestes
The objective of the study was to assess clinical alterations, electrocardiographic, hematological, biochemical, hemogasometric, electrolytic, and hormone plasma concentrations in bitches with eutocia and dystocia. Overall, 28 bitches (dystocia, n = 22 and eutocia, n = 6) were assessed. The evaluations were performed at 2 time points, M1 (1 hour prepartum-eutocia group and cesarean or clinical intervention-dystocia group) and M2 (postpartum-eutocia or dystocia group and anesthetic recovery-dystocia group). The main clinical finding was the hypothermia (mean: 36...
December 2016: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/28315727/increasing-or-fluctuating-bispectral-index-values-during-post-resuscitation-targeted-temperature-management-can-predict-clinical-seizures-after-rewarming
#8
Kanae Ochiai, Atsushi Shiraishi, Yasuhiro Otomo, Yuuichi Koido, Takashi Kanemura, Masato Honma
AIM: To investigate whether an increasing bispectral index (BIS) value during targeted temperature management (TTM) correlates with increased clinical seizures after TTM or worse neurological prognoses after TTM. METHODS: We performed a retrospective prognostication study of patients who were treated with TTM after recovery of spontaneous circulation from cardiac arrest at a tertiary care hospital. We recorded the BIS regularly during TTM and calculated the correlations of the mean BIS values, standard deviations of the BIS values, and linear regression coefficient of the trend of the BIS values over time as index tests...
March 15, 2017: Resuscitation
https://www.readbyqxmd.com/read/28315005/effect-of-nitric-oxide-on-renal-autoregulation-during-hypothermia-in-the-rat
#9
Lars Mikael Broman, Mattias Carlström, Örjan Källskog, Mats Wolgast
Hypothermia-induced reduction of metabolic rate is accompanied by depression of both glomerular perfusion and filtration. The present study investigated whether these changes are linked to changes in renal autoregulation and nitric oxide (NO) signalling. During hypothermia, renal blood flow (RBF) and glomerular filtration rate (GFR) were reduced and urine production was increased, and this was linked with reduced plasma cGMP levels and increased renal vascular resistance. Although stimulation of NO production decreased vascular resistance, blood pressure and urine flow, intravenous infusion of the NO precursor L-arginine or the NO donor sodium nitroprusside did not alter RBF or GFR...
March 17, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28314972/-rare-diseases-with-clinical-relevance-the-silver-russell-syndrome
#10
C Neissner, C Schepp, W H Rösch
The Silver-Russell syndrome (SRS) is a rare imprinting disease associated with pre- and postnatal growth retardation, craniofacial features, and asymmetry. Genitourinary abnormalities are seen in up to 20% of affected individuals. Apart from structural renal anomalies, cryptorchidism and hypospadias occur frequently in boys, while girls often have anomalies similar to those in Mayer-Rokitansky-Küster-Hauser syndrome with congenital hypoplasia or aplasia of the uterus and upper part of the vagina. Frequently hypospadias repair and orchiopexy are difficult because of lack of buccal mucosa due to facial dysmorphism and intraabdominal position of the testicles, respectively...
March 17, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28306631/thermoregulate-autoregulate-and-ventilate-brain-directed-critical-care-for-pediatric-cardiac-arrest
#11
Jonathan E Kurz, Craig M Smith, Mark S Wainwright
PURPOSE OF REVIEW: Cardiac arrest in childhood is associated with a high risk for mortality and poor long-term functional outcome. This review discusses the current evidence for neuroprotective therapies and goals for postarrest care in the context of the pathophysiology of hypoxic-ischemic injury, modalities for neurologic prognostication in these children and potential future monitoring paradigms for maximizing cerebral perfusion in the postarrest period. RECENT FINDINGS: The recent publication of the in-hospital and out-of-hospital Therapeutic Hypothermia After Cardiac Arrest trials demonstrated a lack of statistically significant benefit for the use of postarrest therapeutic hypothermia...
March 16, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28303869/-5-year-surgical-results-in-patients-with-chronic-postembolic-pulmonary-hypertension
#12
A M Chernyavsky, A G Edemsky, M A Chernyavsky, A R Tarkova, E N Kliver, S N Ivanov
AIM: To evaluate 5-year results of surgical treatment of patients with chronic postembolic pulmonary hypertension. MATERIAL AND METHODS: 170 patients with chronic postembolic pulmonary hypertension underwent pulmonary thrombendarterectomy. Mean age was 48±21.5 years. The operation was carried out using standard technique with hypothermia and circulatory arrest. We have analyzed clinical and functional status of 47 patients (23 males) prior to surgery and in long-term postoperative period (5-6 years)...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28302571/alpha-9-nicotinic-acetylcholine-receptors-mediate-hypothermic-responses-elicited-by-provocative-motion-in-mice
#13
Longlong Tu, Lauren Poppi, John Rudd, Ethan T Cresswell, Doug W Smith, Alan Brichta, Eugene Nalivaiko
Hypothermic responses accompany motion sickness in humans and can be elicited by provocative motion in rats. We aimed to determine the potential role in these responses of the efferent cholinergic vestibular innervation. To this end, we used knockout (KO) mice lacking α9 cholinoreceptor subunit predominantly expressed in the vestibular hair cells and CBA strain as a wild-type (WT) control. In WT mice, circular horizontal motion (1Hz, 4cm radius, 20min) caused rapid and dramatic falls in core body temperature and surface head temperature associated with a transient rise in the tail temperature; these responses were substantially attenuated in KO mice; changes were (WT vs...
March 14, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28300820/children-born-at-32-to-35-weeks-with-birth-asphyxia-and-later-cerebral-palsy-are-different-from-those-born-after-35-weeks
#14
J Garfinkle, P Wintermark, M I Shevell, M Oskoui
OBJECTIVE: The objectives of this study were to (1) establish the proportion of cerebral palsy (CP) that occurs with a history suggestive of birth asphyxia in children born at 32 to 35 weeks and (2) evaluate their characteristics in comparison with children with CP born at ⩾36 weeks with such a history. STUDY DESIGN: Using the Canadian CP Registry, children born at 32 to 35 weeks of gestation with CP with a history suggestive of birth asphyxia were compared with corresponding ⩾36 weeks of gestation children...
March 16, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28298661/deep-hypothermic-circulatory-arrest-vs-antegrade-cerebral-perfusion-in-cerebral-protection-during-the-surgical-treatment-of-chronic-dissection-of-the-ascending-and-arch-aorta
#15
Oksana Vasilyevna Kamenskaya, Asya Stanislavovna Klinkova, Alexander Mikhailovich Chernyavsky, Vladimir Vladimirovich Lomivorotov, Ivan Olegovich Meshkov, Alexander Mikhailovich Karaskov
Circulatory arrest during aortic surgery presents a risk of neurological complications. The present study aimed to investigate the effectiveness of deep hypothermic circulatory arrest (DHCA) vs. antegrade cerebral perfusion (ACP) in cerebral protection during the surgical treatment of chronic dissection of the ascending and arch aorta and to assess the quality-of-life (QoL) in the long-term postoperative period with respect to the used cerebral protection method. In a prospective, randomized study, 58 patients with chronic type I aortic dissection who underwent ascending aorta and aortic arch replacement surgery were included...
March 2017: Journal of Extra-corporeal Technology
https://www.readbyqxmd.com/read/28297683/effects-of-hypothermia-on-the-mechanical-behavior-of-rabbit-femoral-arteries
#16
Kozaburo Hayashi, Yuki Kurose
The need to better understand the effects of non-physiological temperatures on arterial wall behavior is becoming more important because of the increased clinical use of hypothermal and hyperthermal treatments. The present study was performed to examine the effects of temperature on the mechanical behavior of femoral arteries excised from rabbits. Among 17, 27, 37, and 42°C, there were no significant differences in their diameter, stiffness, and P-D relations under the physiologically normal, control condition, although the arterial diameter was slightly smaller at 42°C than at the other three temperatures...
March 6, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28292952/hypothermia-induced-neuroprotection
#17
Annalisa M VanHook
A reticulon contributes to the neuroprotective effects of hypothermia.
March 14, 2017: Science Signaling
https://www.readbyqxmd.com/read/28291098/a-metamorphosis-in-our-approach-to-treatment-is-not-likely-to-result-from-a-meta-analysis-of-the-use-of-therapeutic-hypothermia-in-severe-traumatic-brain-injury
#18
Jessica S Wallisch, Patrick M Kochanek
No abstract text is available yet for this article.
April 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28289764/erratum-to-good-neurological-outcome-after-primary-accidental-hypothermia-presenting-with-asystole
#19
I Eckert, P Imboden, P Paal, J Koppenberg
No abstract text is available yet for this article.
March 13, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28289649/hypothermia-presenting-in-wernicke-encephalopathy-a-case-report
#20
Seok Hyun Hong, Ju Sun Oh, Chang Hyun Lee, Jae Ho Oh
Wernicke encephalopathy (WE) is a neurologic disorder characterized by clinical symptoms, such as nystagmus, ataxia, and mental confusion. Hypothermia in patients with WE is a rare complication, and its pathogenic mechanism and therapy are yet to be ascertained. Herein, we presented a case of a 61-year-old man who was diagnosed with WE 3 months earlier. We investigated the cause of hypothermia (35.0℃) that occurred after an enema (bowel emptying). Brain magnetic resonance imaging revealed mammillary body and hypothalamus atrophy...
February 2017: Annals of Rehabilitation Medicine
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