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https://www.readbyqxmd.com/read/28741665/remote-ischemic-preconditioning-and-clinical-outcomes-in-on-pump-coronary-artery-bypass-grafting-a-meta-analysis-of-14-randomized-controlled-trials
#1
Bin Yi, Jianhui Wang, Dingwu Yi, Yanling Zhu, Yumei Jiang, Yi Li, Shaoyan Mo, Yi Liu, Jian Rong
The purpose of this article is to perform the first pooled analysis on remote ischemic preconditioning (RIPC) used for the improvement of clinical outcomes of patients only undergoing on-pump coronary artery bypass grafting (CABG) in randomized controlled trials (RCTs). A systematic search was performed using PubMed, the Cochrane Library, and the Web of Science to identify studies that described the effect of RIPC on postoperative mortality in patients only undergoing on-pump CABG. The outcomes included postoperative mortality, postoperative morbidity (including incidence of myocardial infarction, atrial fibrillation, stroke, acute kidney injury, and renal replacement therapy), mechanical ventilation (MV), intensive care unit length of stay (ICU LOS), and hospital length of stay (HLOS)...
July 25, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28741035/biomarkers-of-hepatic-injury-and-function-in-neonatal-hypoxic-ischemic-encephalopathy-and-with-therapeutic-hypothermia
#2
Hemananda Muniraman, Danielle Gardner, Jane Skinner, Anna Paweletz, Anitha Vayalakkad, Ying Hui Chee, Clare Clifford, Sunil Sanka, Vidheya Venkatesh, Anna Curley, Suresh Victor, Mark A Turner, Paul Clarke
Therapeutic hypothermia (TH) is now provided as standard care to infants with moderate-severe hypoxic ischemic encephalopathy (HIE). The role of TH in limiting neuronal injury is well recognized, but its effect on hepatic injury which occurs frequently in neonatal HIE is not known. Our objective was to characterize biomarkers of liver injury and function in the setting of neonatal HIE and to describe whether HIE severity and provision of TH influence these hepatic biomarkers. We performed a multicenter retrospective study and compared hepatic biomarkers obtained during the first postnatal week, according to the severity of HIE and whether treated with TH...
July 24, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28740479/non-ischemic-cerebral-energy-dysfunction-at-the-early-brain-injury-phase-following-aneurysmal-subarachnoid-hemorrhage
#3
Laurent Carteron, Camille Patet, Daria Solari, Mahmoud Messerer, Roy T Daniel, Philippe Eckert, Reto Meuli, Mauro Oddo
BACKGROUND: The pathophysiology of early brain injury following aneurysmal subarachnoid hemorrhage (SAH) is still not completely understood. OBJECTIVE: Using brain perfusion CT (PCT) and cerebral microdialysis (CMD), we examined whether non-ischemic cerebral energy dysfunction may be a pathogenic determinant of EBI. METHODS: A total of 21 PCTs were performed (a median of 41 h from ictus onset) among a cohort of 18 comatose mechanically ventilated SAH patients (mean age 58 years, median admission WFNS score 4) who underwent CMD and brain tissue PO2 (PbtO2) monitoring...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28739484/protein-kinase-c%C3%AE-%C3%AE-is-dispensable-for-platelet-function-in-thrombosis-and-hemostasis-in-mice
#4
Sarah Beck, Michael Leitges, David Stegner
Platelet activation at sites of vascular injury is crucial for hemostasis, but it may also cause myocardial infarction or ischemic stroke. Upon platelet activation, cytoskeletal reorganization is essential for platelet secretion and thrombus formation. Members of the protein kinase C family, which includes 12 isoforms, are involved in most platelet responses required for thrombus formation. The atypical protein kinase Cι/λ (PKCι/λ) has been implicated as an important mediator of cell polarity, carcinogenesis and immune cell responses...
July 21, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28739404/laparoscopic-partial-nephrectomy-with-sequential-precise-tumor-specific-segmental-renal-artery-clamping-for-multiple-ipsilateral-renal-tumors-a-new-treatment-approach-and-initial-experience
#5
Mingyue Tan, Yongzhi Xu, Dongliang Xu, Juntao Jiang, Wei Zhao, Di Cui, Yuan Ruan, Shujie Xia
OBJECTIVE: To present our surgical approach and initial experience of laparoscopic partial nephrectomy (LPN) with sequential precise tumor-specific segmental renal artery clamping in patients with multiple ipsilateral renal tumors. MATERIALS AND METHODS: Six patients with multiple ipsilateral renal tumors having imperative indications for nephron-sparing surgery underwent LPN with sequential precise tumor-specific segmental renal artery clamping from May 2012 to September 2015...
July 21, 2017: Urology
https://www.readbyqxmd.com/read/28738006/effect-of-lidocaine-on-inflammation-in-equine-jejunum-subjected-to-manipulation-only-and-remote-to-intestinal-segments-subjected-to-ischemia
#6
Anje G Bauck, Astrid Grosche, Alison J Morton, A Sarah Graham, Thomas W Vickroy, David E Freeman
OBJECTIVE To examine effects of continuous rate infusion of lidocaine on transmural neutrophil infiltration in equine intestine subjected to manipulation only and remote to ischemic intestine. ANIMALS 14 healthy horses. PROCEDURES Ventral midline celiotomy was performed (time 0). Mild ischemia was induced in segments of jejunum and large colon. A 1-m segment of jejunum was manipulated by massaging the jejunal wall 10 times. Horses received lidocaine (n = 7) or saline (0.9% NaCl) solution (7) throughout anesthesia...
August 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28737214/decline-in-cellular-function-of-aged-mouse-c-kit-cardiac-progenitor-cells
#7
Alessandra Castaldi, Ramsinh Mansinh Dodia, Amabel M Orogo, Cristina M Zambrano, Rita H Najor, Åsa B Gustafsson, Joan Heller Brown, Nicole H Purcell
Therapeutic use of c-kit(+) cardiac progenitor cells (CPCs) is being evaluated for regenerative therapy in older patients with ischemic heart failure. Our understanding of the biology of these CPCs has however, largely come from studies of young cells and animal models. In the present study we examined characteristics of CPCs isolated from young (3 months) and aged (24 month) mice that could underlie the diverse outcomes reported for CPC-based therapeutics. We observed morphological differences and altered senescence indicated by increased senescence associated markers β-galactosidase and p16 mRNA in aged CPCs...
July 24, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28737133/pretreatment-with-paricalcitol-attenuates-level-and-expression-of-matrix-metalloproteinases-in-a-rat-model-of-renal-ischemia-reperfusion-injury%C3%A2
#8
Sibel Ersan, Asli Celik, Mehmet Tanrisev, Isil Kose, Zahide Cavdar, Mehtat Unlu, Ayse Kocak, Cemre Ural, Banu Yilmaz, Timur Kose
BACKGROUND: Ischemia-reperfusion injury (IRI) is a leading cause of acute kidney injury (AKI). The inflammatory response that drives IRI involves upregulation of matrix metalloproteinases (MMPs), which results in proteolytic degradation of renal microvascular matrix. Evidence suggests a potential protective role of active vitamin D on ischemic injury by downregulating MMPs. In the present study, we aimed to determine the expression and level of MMP-2 and MMP-9 in renal IRI model and the potential beneficial effect of paricalcitol on both level and expression of MMPs and tubular injury caused by IRI...
July 24, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28737113/micrornas-roles-in-regulating-neuroinflammation
#9
Andrew D Gaudet, Laura K Fonken, Linda R Watkins, Randy J Nelson, Phillip G Popovich
MicroRNAs (miRNAs) are small noncoding RNAs that broadly affect cellular and physiological function in all multicellular organisms. Here, the role of miRNAs in neuroinflammation is considered. miRNAs are 21- to 23-oligonucleotide RNAs that regulate translation of specific RNAs by binding to complementary regulatory RNA sequences, thereby causing mRNA degradation or sequestration. More than 5000 miRNAs likely exist in humans, and each miRNA binds an average of 200 RNAs. Specific immunomodulatory miRNAs can regulate a set of RNAs in a coordinated manner, suggesting that effective miRNA-based therapeutic manipulations for neuroinflammatory conditions may be revealed...
July 1, 2017: Neuroscientist: a Review Journal Bringing Neurobiology, Neurology and Psychiatry
https://www.readbyqxmd.com/read/28736742/unique-morphological-characteristics-of-mitochondrial-subtypes-in-the-heart-the-effect-of-ischemia-and-ischemic-preconditioning
#10
Siavash Beikoghli Kalkhoran, Peter Munro, Fan Qiao, Sang-Bing Ong, Andrew R Hall, Hector Cabrera-Fuentes, Bibhas Chakraborty, William A Boisvert, Derek M Yellon, Derek J Hausenloy
RATIONALE: Three subsets of mitochondria have been described in adult cardiomyocytes - intermyofibrillar (IMF), subsarcolemmal (SSM), and perinuclear (PN). They have been shown to differ in physiology, but whether they also vary in morphological characteristics is unknown. Ischemic preconditioning (IPC) is known to prevent mitochondrial dysfunction induced by acute myocardial ischemia/reperfusion injury (IRI), but whether IPC can also modulate mitochondrial morphology is not known. AIMS: Morphological characteristics of three different subsets of adult cardiac mitochondria along with the effect of ischemia and IPC on mitochondrial morphology will be investigated...
January 2017: Discoveries
https://www.readbyqxmd.com/read/28736507/national-mortality-burden-due-to-communicable-non-communicable-and-other-diseases-in-ethiopia-1990-2015-findings-from-the-global-burden-of-disease-study-2015
#11
Awoke Misganaw, Tilahun N Haregu, Kebede Deribe, Gizachew Assefa Tessema, Amare Deribew, Yohannes Adama Melaku, Azmeraw T Amare, Semaw Ferede Abera, Molla Gedefaw, Muluken Dessalegn, Yihunie Lakew, Tolesa Bekele, Mesoud Mohammed, Biruck Desalegn Yirsaw, Solomon Abrha Damtew, Kristopher J Krohn, Tom Achoki, Jed Blore, Yibeltal Assefa, Mohsen Naghavi
BACKGROUND: Ethiopia lacks a complete vital registration system that would assist in measuring disease burden and risk factors. We used the Global Burden of Diseases, Injuries, and Risk Factors Study 2015 (GBD 2015) estimates to describe the mortality burden from communicable, non-communicable, and other diseases in Ethiopia over the last 25 years. METHODS: GBD 2015 mainly used cause of death ensemble modeling to measure causes of death by age, sex, and year for 195 countries...
2017: Population Health Metrics
https://www.readbyqxmd.com/read/28736506/national-disability-adjusted-life-years-dalys-for-257-diseases-and-injuries-in-ethiopia-1990-2015-findings-from-the-global-burden-of-disease-study-2015
#12
Awoke Misganaw, Yohannes Adama Melaku, Gizachew Assefa Tessema, Amare Deribew, Kebede Deribe, Semaw Ferede Abera, Muluken Dessalegn, Yihunie Lakew, Tolesa Bekele, Tilahun N Haregu, Azmeraw T Amare, Molla Gedefaw, Mesoud Mohammed, Biruck Desalegn Yirsaw, Solomon Abrha Damtew, Tom Achoki, Jed Blore, Kristopher J Krohn, Yibeltal Assefa, Mahlet Kifle, Mohsen Naghavi
BACKGROUND: Disability-adjusted life years (DALYs) provide a summary measure of health and can be a critical input to guide health systems, investments, and priority-setting in Ethiopia. We aimed to determine the leading causes of premature mortality and disability using DALYs and describe the relative burden of disease and injuries in Ethiopia. METHODS: We used results from the Global Burden of Diseases, Injuries, and Risk Factors Study 2015 (GBD 2015) for non-fatal disease burden, cause-specific mortality, and all-cause mortality to derive age-standardized DALYs by sex for Ethiopia for each year...
2017: Population Health Metrics
https://www.readbyqxmd.com/read/28736242/suppression-of-cortical-trpm7-protein-attenuates-oxidative-damage-after-traumatic-brain-injury-via-akt-endothelial-nitric-oxide-synthase-pathway
#13
Hong-Liang Xu, Meng-Dong Liu, Xiao-Hong Yuan, Chun-Xi Liu
Neuronal death after traumatic brain injury (TBI) is a complex process resulting from a combination of factors, many of which are still unknown. Transient receptor potential melastatin 7 (TRPM7) is a transient receptor potential channel that has been demonstrated to mediate ischemic and traumatic neuronal injury in vitro. In the present study, TRPM7 was suppressed in the rat cerebral cortex by intracortical injections of viral vectors bearing shRNA specific for TRPM7 to investigate its potential role in an in vivo TBI model...
July 20, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28736035/propane-2-sulfonic-acid-octadec-9-enyl-amide-a-novel-ppar%C3%AE-%C3%AE-dual-agonist-protects-against-ischemia-induced-brain-damage-in-mice-by-inhibiting-inflammatory-responses
#14
Ying Li, Lanxi Xu, Kaiyue Zeng, Zhentian Xu, Daqin Suo, Lu Peng, Tong Ren, Zhiheng Sun, Wushuang Yang, Xin Jin, Lichao Yang
Propane-2-sulfonic acid octadec-9-enyl-amide (N15), an analogue of oleoylethanolamide (OEA), is a novel PPARα/γ dual agonist. Our previous studies verified the positive effects of OEA on the acute and delayed stages of cerebral ischemia. However, it is not clear whether N15 is effective against ischemic cerebral injury. In the present study, male Kunming mice were subjected to middle cerebral artery occlusion (MCAO). To evaluate its preventive effects, N15 (50, 100 or 200 mg/kg, ip) was administered for 3 days before ischemia...
July 20, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28735240/therapeutic-effects-of-l-cysteine-in-newborn-mice-subjected-to-hypoxia-ischemia-brain-injury-via-the-cbs-h2s-system-role-of-oxidative-stress-and-endoplasmic-reticulum-stress
#15
Song Liu, Danqing Xin, Lingxiao Wang, Tiantian Zhang, Xuemei Bai, Tong Li, Yunkai Xie, Hao Xue, Shishi Bo, Dexiang Liu, Zhen Wang
Neonatal hypoxic-ischemic (HI) injury is a major cause of neonatal death and neurological dysfunction. H2S has been shown to protect against hypoxia-induced injury and apoptosis of neurons. L-Cysteine is catalyzed by cystathionine-β-synthase (CBS) in the brain and sequentially produces endogenous H2S. The present study was designed to investigate whether L-Cysteine could attenuate the acute brain injury and improve neurobehavioral outcomes following HI brain injury in neonatal mice by releasing endogenous H2S...
July 14, 2017: Redox Biology
https://www.readbyqxmd.com/read/28734921/imaging-ischemic-and-reperfusion-injury-in-acute-myocardial-infarction-putting-the-pieces-together-with-cmr
#16
Jan Bogaert, Davide Curione, Pedro Morais, Manuel Barreiro-Perez, Sofie Tilborghs, Frederik Maes, Tom Dresselaers
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28732542/national-disability-adjusted-life-years-dalys-for-257-diseases-and-injuries-in-ethiopia-1990-2015-findings-from-the-global-burden-of-disease-study-2015
#17
Awoke Misganaw, Yohannes Adama Melaku, Gizachew Assefa Tessema, Amare Deribew, Kebede Deribe, Semaw Ferede Abera, Muluken Dessalegn, Yihunie Lakew, Tolesa Bekele, Tilahun N Haregu, Azmeraw T Amare, Molla Gedefaw, Mesoud Mohammed, Biruck Desalegn Yirsaw, Solomon Abrha Damtew, Tom Achoki, Jed Blore, Kristopher J Krohn, Yibeltal Assefa, Mahlet Kifle, Mohsen Naghavi
BACKGROUND: Disability-adjusted life years (DALYs) provide a summary measure of health and can be a critical input to guide health systems, investments, and priority-setting in Ethiopia. We aimed to determine the leading causes of premature mortality and disability using DALYs and describe the relative burden of disease and injuries in Ethiopia. METHODS: We used results from the Global Burden of Diseases, Injuries, and Risk Factors Study 2015 (GBD 2015) for non-fatal disease burden, cause-specific mortality, and all-cause mortality to derive age-standardized DALYs by sex for Ethiopia for each year...
July 21, 2017: Population Health Metrics
https://www.readbyqxmd.com/read/28732536/national-mortality-burden-due-to-communicable-non-communicable-and-other-diseases-in-ethiopia-1990-2015-findings-from-the-global-burden-of-disease-study-2015
#18
Awoke Misganaw, Tilahun N Haregu, Kebede Deribe, Gizachew Assefa Tessema, Amare Deribew, Yohannes Adama Melaku, Azmeraw T Amare, Semaw Ferede Abera, Molla Gedefaw, Muluken Dessalegn, Yihunie Lakew, Tolesa Bekele, Mesoud Mohammed, Biruck Desalegn Yirsaw, Solomon Abrha Damtew, Kristopher J Krohn, Tom Achoki, Jed Blore, Yibeltal Assefa, Mohsen Naghavi
BACKGROUND: Ethiopia lacks a complete vital registration system that would assist in measuring disease burden and risk factors. We used the Global Burden of Diseases, Injuries, and Risk Factors Study 2015 (GBD 2015) estimates to describe the mortality burden from communicable, non-communicable, and other diseases in Ethiopia over the last 25 years. METHODS: GBD 2015 mainly used cause of death ensemble modeling to measure causes of death by age, sex, and year for 195 countries...
July 21, 2017: Population Health Metrics
https://www.readbyqxmd.com/read/28732362/acute-atorvastatin-treatment-restores-the-cardioprotective-effects-of-ischemic-postconditioning-in-hyperlipidemic-rats
#19
Tao Sun, Hong-Ju Zhang, Chayakrit Krittanawong, Su Wang, Ying Tao, Zhao Li, Qiancheng Yin, Donghua Zhang, Qian Wang, Ji Huang, Jingmei Zhang, Zhizhong Li, Yutong Cheng
BACKGROUND: Ischemic Postconditioning (IPC) reduces ischemia/reperfusion (I/R) injury under normal conditions. HMG-CoA reductase inhibitors (statins), which inhibit the synthesis of mevalonate, can interfere with the cardioprotective effect of IPC. However, the beneficial role of IPC in hyperlipidemic patients, post-acute administration of statins remains unknown. This study was to determine if acute administration of atorvastatin affect the infarct size-limiting effect of IPC in hyperlipidemic rats...
July 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28731692/quinolinyl-nitrone-rp19-induces-neuroprotection-after-transient-brain-ischemia
#20
Maria Irene Ayuso, Emma Martinez-Alonso, Mourad Chioua, Alejandro Escobar-Peso, Rafael Gonzalo-Gobernado, Joan Montaner, José Marco-Contelles, Alberto Alcazar
There is a need to develop additional effective therapies for ischemic stroke. Nitrones, which were first developed as reactive oxygen species (ROS)-trapping compounds, have been proposed as neuroprotective agents for ischemic stroke, a ROS-related disorder. The previous reported ROS-trapping compound, quinolyl nitrone RP19, is here being assayed to induce neuroprotection to ischemia-reperfusion injury in three experimental ischemia models: (i), oxygen-glucose deprivation (OGD) on primary neuronal cultures; (ii), transient global cerebral ischemia in four-vessel occlusion model; and (iii), transient focal cerebral ischemia in middle cerebral artery occlusion (tMCAO) model...
July 21, 2017: ACS Chemical Neuroscience
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