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https://www.readbyqxmd.com/read/28226873/using-hilbert-huang-transform-to-assess-eeg-slow-wave-activity-during-anesthesia-in-post-cardiac-arrest-patients
#1
Jukka Kortelainen, Eero Vayrynen, Usko Huuskonen, Jouko Laurila, Juha Koskenkari, Janne T Backman, Seppo Alahuhta, Tapio Seppanen, Tero Ala-Kokko, Jukka Kortelainen, Eero Vayrynen, Usko Huuskonen, Jouko Laurila, Juha Koskenkari, Janne T Backman, Seppo Alahuhta, Tapio Seppanen, Tero Ala-Kokko, Eero Vayrynen, Janne T Backman, Jukka Kortelainen, Tapio Seppanen, Jouko Laurila, Usko Huuskonen, Seppo Alahuhta, Tero Ala-Kokko, Juha Koskenkari
Hypoxic ischemic encephalopathy (HIE) is a severe consequence of cardiac arrest (CA) representing a substantial diagnostic challenge. We have recently designed a novel method for the assessment of HIE after CA. The method is based on estimating the severity of the brain injury by analyzing changes in the electroencephalogram (EEG) slow wave activity while the patient is exposed to an anesthetic drug propofol in a controlled manner. In this paper, Hilbert-Huang Transform (HHT) was used to analyze EEG slow wave activity during anesthesia in ten post-CA patients...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224044/mastl-is-essential-for-anaphase-entry-of-proliferating-primordial-germ-cells-and-establishment-of-female-germ-cells-in-mice
#2
Sanjiv Risal, Jingjing Zhang, Deepak Adhikari, Xiaoman Liu, Jingchen Shao, Mengwen Hu, Kiran Busayavalasa, Zhaowei Tu, Zijiang Chen, Philipp Kaldis, Kui Liu
In mammals, primordial germ cells (PGCs) are the embryonic cell population that serve as germ cell precursors in both females and males. During mouse embryonic development, the majority of PGCs are arrested at the G2 phase when they migrate into the hindgut at 7.75-8.75 dpc (days post coitum). It is after 9.5 dpc that the PGCs undergo proliferation with a doubling time of 12.6 h. The molecular mechanisms underlying PGC proliferation are however not well studied. In this work. Here we studied how MASTL (microtubule-associated serine/threonine kinase-like)/Greatwall kinase regulates the rapid proliferation of PGCs...
2017: Cell Discovery
https://www.readbyqxmd.com/read/28223258/the-neurologic-protection-of-unilateral-versus-bilateral-antegrade-cerebral-perfusion-in-aortic-arch-surgery-with-deep-hypothermic-circulatory-arrest-a-study-of-77-cases
#3
Bowen Li, Xiaoping Hu, Zhiwei Wang
BACKGROUD: Unilateral and bilateral antegrade cerebral perfusions (ACP) are recognized methods of cerebral protection in aortic arch surgery. However, the adequacy of cerebral protection in aortic arch surgery with deep hypothermic circulatory arrest is controversial. In this study, we compared unilateral and bilateral ACP of cerebral protection in aortic arch surgery by assessing the patient's intraoperative and postoperative brain function. METHODS: A total of 77 patients undergoing aortic arch surgery were included in this study...
February 18, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28223053/diabetes-upregulation-of-cyclooxygenase-2%C3%A2-contributes-to-altered-coronary-reactivity-after-cardiac-surgery
#4
Jun Feng, Kelsey Anderson, Arun K Singh, Afshin Ehsan, Hunter Mitchell, Yuhong Liu, Frank W Sellke
BACKGROUND: We hypothesized that upregulation of inducible cyclooxygenase 2 (COX-2) contributes to altered coronary arteriolar reactivity early after cardioplegic arrest and cardiopulmonary bypass (CP/CPB) in patients with diabetes mellitus who are undergoing cardiac surgery. METHODS: The right atrial tissue samples of nondiabetes (ND), controlled diabetes (CDM), and uncontrolled diabetes (UDM) patients undergoing cardiac surgery were harvested before and after CP/CPB...
February 18, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28218755/changes-in-the-incidence-patterns-and-outcomes-of-graft-failure-following-hematopoietic-stem-cell-transplantation-for-hurler-syndrome
#5
S H Lum, W P Miller, S Jones, K Poulton, W Ogden, H Lee, A Logan, D Bonney, T C Lund, P J Orchard, R F Wynn
Hematopoietic stem cell transplantation (HSCT) is the standard of care in children with Hurler syndrome (HS) as it is the only therapy that can arrest disease progression. We examined the incidence, patterns and outcomes of graft failure in all HS children undergoing first HSCT at the Royal Manchester Children's Hospital or the University of Minnesota Children's Hospital from 1983 to 2016. Implementation of busulfan pharmacokinetic monitoring started in 2004 in both institutions. Two hundred and forty HS children were included in this analysis (historical era (pre-2004), n=131; current era (post 2004), n=109)...
February 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28216089/health-status-and-psychological-distress-among-in-hospital-cardiac-arrest-survivors-in-relation-to-gender
#6
Johan Israelsson, Anders Bremer, Johan Herlitz, Åsa B Axelsson, Tobias Cronberg, Therese Djärv, Marja-Leena Kristofferzon, Ing-Marie Larsson, Gisela Lilja, Katharina S Sunnerhagen, Ewa Wallin, Susanna Ågren, Eva Åkerman, Kristofer Årestedt
AIM: To describe health status and psychological distress among in-hospital cardiac arrest (IHCA) survivors in relation to gender. METHODS: This national register study consists of data from follow-up registration of IHCA survivors 3-6 months post cardiac arrest (CA) in Sweden. A questionnaire was sent to the survivors, including measurements of health status (EQ-5D-5L) and psychological distress (HADS). RESULTS: Between 2013 and 2015, 594 IHCA survivors were included in the study...
February 16, 2017: Resuscitation
https://www.readbyqxmd.com/read/28215591/the-effect-of-resuscitation-position-on-cerebral-and-coronary-perfusion-pressure-during-mechanical-cardiopulmonary-resuscitation-in-porcine-cardiac-arrest-model
#7
Taeyun Kim, Sang Do Shin, Kyoung Jun Song, Yong Joo Park, Hyun Ho Ryu, Guillaume Debaty, Keith Lurie, Ki Jeong Hong
OBJECTIVE: Automated cardiopulmonary resuscitation (CPR) devices can be used during transport in a small spaces (e.g. an elevator) to reduce the length of stretcher and via body position change. It is unknown whether patient position is associated with the optimal cerebral (CePP) and coronary (CoPP) perfusion pressure. METHODS: This study utilized a randomized experimental design and anesthetized, intubated and paralyzed female pigs (n=12) (mean 42, SD 3kg) on a customized tilt table...
February 16, 2017: Resuscitation
https://www.readbyqxmd.com/read/28215135/rapid-response-team-diagnoses-frequencies-and-related-hospital-mortality
#8
Roger J Smith, John D Santamaria, Espedito E Faraone, Jennifer A Holmes, David A Reid
OBJECTIVES: To describe the frequency and hospital mortality of problems (diagnoses) encountered by a rapid response team (RRT), and to identify the most common diagnoses for RRT triggers and for treating units. DESIGN: For each RRT event in 2015 at a tertiary hospital for adults, we chose the diagnosis that best explained the RRT event from a pre-defined list after reviewing relevant test results and clinical notes. RESULTS: There were 937 RRT events during 700 admissions and there were 58 different RRT diagnoses in 11 diagnosis groups...
March 2017: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/28214538/contemporary-animal-models-of-cardiac-arrest-a-systematic-review
#9
REVIEW
Mikael Vognsen, Bjørn K Fabian-Jessing, Niels Secher, Bo Løfgren, Cameron Dezfulian, Lars W Andersen, Asger Granfeldt
AIM OF THE STUDY: Animal models are widely used in cardiac arrest research. This systematic review aimed to provide an overview of contemporary animal models of cardiac arrest. METHODS: Using a comprehensive research strategy, we searched PubMed and EMBASE from March 8, 2011 to March 8, 2016 for cardiac arrest animal models. Two investigators reviewed titles and abstracts for full text inclusions from which data were extracted according to pre-defined definitions...
February 15, 2017: Resuscitation
https://www.readbyqxmd.com/read/28214482/catheter-directed-ultrasound-assisted-thrombolysis-is-a-safe-and-effective-treatment-for-pulmonary-embolism-even-in-high-risk-patients
#10
Kristen A Lee, Andrew Cha, Mark H Kumar, Combiz Rezayat, Clifford M Sales
OBJECTIVE: We sought to assess the early success and safety of catheter-directed, ultrasound-assisted (CDUA) thrombolysis for acute pulmonary embolism (PE) in patients deemed to be "high risk" for thrombolytic therapy. METHODS: A retrospective evaluation of patients who underwent CDUA pulmonary thrombolysis in our practice during 39 months is reported. There were 91 patients considered, all of whom presented with acute PE as diagnosed by computed tomography angiography...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28214061/open-physeal-fracture-of-the-distal-phalanx-of-the-hallux-case-study-diagnosis-and-management
#11
Brandon Morris, Scott Mullen, Paul Schroeppel, Bryan Vopat
Open physeal fractures of the distal phalanx of the hallux are the lesser described counterpart to the same fracture of the finger, known by its eponym as a "Seymour fracture". Displaced Salter-Harris phalangeal fractures present with a concomitant nailbed or soft tissue injury. Often these fractures occur in the summer months when open-toe footwear can be worn, however, they may occur indoors as well. Frequently, the injury results from direct axial load of the toe, or "stubbing", which causes the fracture and associated soft tissue injury...
February 6, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28209915/exclusive-destruction-of-mitotic-spindles-in-human-cancer-cells
#12
Leonid Visochek, Asher Castiel, Leonid Mittelman, Michael Elkin, Dikla Atias, Talia Golan, Shai Izraeli, Tamar Peretz, Malka Cohen-Armon
We identified target proteins modified by phenanthrenes that cause exclusive eradication of human cancer cells. The cytotoxic activity of the phenanthrenes in a variety of human cancer cells is attributed by these findings to post translational modifications of NuMA and kinesins HSET/kifC1 and kif18A. Their activity prevented the binding of NuMA to α-tubulin and kinesins in human cancer cells, and caused aberrant spindles. The most efficient cytotoxic activity of the phenanthridine PJ34, caused significantly smaller aberrant spindles with disrupted spindle poles and scattered extra-centrosomes and chromosomes...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28207570/international-survey-of-critically-ill-children-with-acute-neurologic-insults-the-prevalence-of-acute-critical-neurological-disease-in-children-a-global-epidemiological-assessment-study
#13
Ericka L Fink, Patrick M Kochanek, Robert C Tasker, John Beca, Michael J Bell, Robert S B Clark, Jamie Hutchison, Monica S Vavilala, Anthony Fabio, Derek C Angus, R Scott Watson
OBJECTIVE: The international scope of critical neurologic insults in children is unknown. Our objective was to assess the prevalence and outcomes of children admitted to PICUs with acute neurologic insults. DESIGN: Prospective study. SETTING: Multicenter (n = 107 PICUs) and multinational (23 countries, 79% in North America and Europe). PATIENTS: Children 7 days to 17 years old admitted to the ICU with new traumatic brain injury, stroke, cardiac arrest, CNS infection or inflammation, status epilepticus, spinal cord injury, hydrocephalus, or brain mass...
February 15, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28207539/role-of-coronary-angiography-for-out-of-hospital-cardiac-arrest-survivors-according-to-postreturn-of-spontaneous-circulation-on-an-electrocardiogram
#14
Tae Rim Lee, Sung Yeon Hwang, Won Chul Cha, Tae Gun Shin, Min Seob Sim, Ik Joon Jo, Keun Jeong Song, Joong Eui Rhee, Yeon Kwon Jeong
Survivors of out-of-hospital cardiac arrest (OHCA) have high mortality and morbidity. An acute coronary event is the most common cause of sudden cardiac death. For this reason, coronary angiography is an important diagnostic and treatment strategy for patients with postcardiac arrest. This study aimed to identify the correlation between postreturn of spontaneous circulation (ROSC) on an electrocardiogram (ECG) and results of coronary angiography of OHCA survivors.We collected data from our OHCA registry from January 2010 to November 2014...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28205213/haemodynamic-changes-to-a-midazolam-fentanyl-rocuronium-protocol-for-pre-hospital-anaesthesia-following-return-of-spontaneous-circulation-after-cardiac-arrest
#15
M Miller, C Groombridge, R Lyon
Following the return of spontaneous circulation after out-of-hospital cardiac arrest, neurological dysfunction, airway or ventilatory compromise can impede transport to early percutaneous coronary intervention, necessitating pre-hospital or emergency department anaesthesia to facilitate this procedure. There are no published reports of the ideal induction agents in these patients. We sought to describe haemodynamic changes associated with induction of anaesthesia using a midazolam (0.1 mg.kg(-1) ), fentanyl (2 μg...
February 15, 2017: Anaesthesia
https://www.readbyqxmd.com/read/28203222/unexpected-death-of-a-child-with-complex-febrile-seizures-pathophysiology-similar-to-sudden-unexpected-death-in-epilepsy
#16
Brian J Dlouhy, Michael A Ciliberto, Christina L Cifra, Patricia A Kirby, Devin L Shrock, Marcus Nashelsky, George B Richerson
Febrile seizures are usually considered relatively benign. Although some cases of sudden unexplained death in childhood have a history of febrile seizures, no documented case of febrile seizure-induced death has been reported. Here, we describe a child with complex febrile seizures who died suddenly and unexpectedly after a suspected seizure while in bed at night during the beginning phases of sleep. She was resuscitated and pronounced brain dead 2 days later at our regional medical center. Autopsy revealed multiorgan effects of hypoperfusion and did not reveal an underlying (precipitating) disease, injury, or toxicological cause of death...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28202763/inhibition-of-vpx-mediated-samhd1-and-vpr-mediated-hltf-degradation-by-selective-disruption-of-viral-crl4-dcaf1-e3-ubiquitin-ligase-assembly
#17
Hong Wang, Haoran Guo, Jiaming Su, Yajuan Rui, Wenwen Zheng, Wenying Gao, Wenyan Zhang, Zhaolong Li, Guanchen Liu, Wei Wei, Xiao-Fang Yu
The lentiviral accessory proteins Vpx and Vpr are known to utilize CRL4 (DCAF1) E3 ligase to induce the degradation of the host restriction factor SAMHD1 or transcriptional factor HLTF, respectively. Selective disruption of viral CRL4 (DCAF1) E3 ligase could be a promising antiviral strategy. Recently, we have determined that post-translational modification (neddylation) of Cullin-4 is required for the activation of Vpx-CRL4 (DCAF1) E3 ligase. However, the mechanism of Vpx/Vpr-CRL4 (DCAF1) E3 ligase assembly is still poorly understood...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28202528/distinct-levels-of-radioresistance-in-lgr5-colonic-epithelial-stem-cells-versus-lgr5-small-intestinal-stem-cells
#18
Guoqiang Hua, Chu Wang, Yan Pan, Zhaoshi Zeng, Sang Gyu Lee, Maria Laura Martin, Adriana Haimovitz-Friedman, Zvi Fuks, Philip B Paty, Richard N Kolesnick
While small and large intestines possess seemingly similar Wnt-driven Leucine-rich repeat-containing G protein coupled receptor 5 (Lgr5)+ adult epithelial stem cells, we report here that the two organs exhibit distinct mechanisms of tissue response to ionizing radiation. Employing Lgr5-lacZ transgenic mice and Lgr5 in situ hybridization, we found colonic epithelial stem cells (CESC) markedly more radioresistant in vivo than small intestinal crypt base columnar stem cells (CBC) (D0 6.0±0.3 Gy vs. 1.3±0.1, respectively; p0...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28197633/pim1-knockdown-inhibits-cell-proliferation-and-invasion-of-mesothelioma-cells
#19
Amany Sayed Mawas, Vishwa Jeet Amatya, Rui Suzuki, Kei Kushitani, Mouchira M Mohi El-Din, Yukio Takeshima
Malignant mesothelioma is a major asbestos-related cancer with prolonged time lapse from the first exposure of asbestos to the development of mesothelioma. Most of mesothelioma patients show very poor prognosis, thus, an urgent improvement of its treatment is required by development of novel therapeutic strategies. RNA interference (RNAi) is a powerful tool in post-genomic research and cancer therapy through inhibition of gene expression. In the present study, we analyzed the function of PIM1 on mesothelioma cell lines with its knockdown by siRNA transfection...
March 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28197392/p38-mapk-differentially-controls-nk-activating-ligands-at-transcriptional-and-post-transcriptional-level-on-multiple-myeloma-cells
#20
Alessandra Soriani, Cristiana Borrelli, Biancamaria Ricci, Rosa Molfetta, Alessandra Zingoni, Cinzia Fionda, Silvia Carnevale, Maria Pia Abruzzese, Maria Teresa Petrucci, Maria Rosaria Ricciardi, Giuseppe La Regina, Erica Di Cesare, Patrizia Lavia, Romano Silvestri, Rossella Paolini, Marco Cippitelli, Angela Santoni
The mechanisms that regulate the expression of the NKG2D and DNAM-1 activating ligands are only partially known, but it is now widely established that their expression is finely regulated at transcriptional, post-transcriptional and post-translational level, and involve numerous stress pathways depending on the type of ligand, stressor, and cell context. We show that treatment of Multiple Myeloma (MM) cells with sub-lethal doses of Vincristine (VCR), an anticancer drug that inhibits the assembly of microtubules, stimulates the expression of NKG2D and DNAM-1 activating ligands, rendering these cells more susceptible to NK cell-mediated killing...
2017: Oncoimmunology
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