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https://www.readbyqxmd.com/read/28303647/ratio-of-systolic-blood-pressure-to-left-ventricular-end-diastolic-pressure-at-the-time-of-primary-percutaneous-coronary-intervention-predicts-in-hospital-mortality-in-patients-with-st-elevation-myocardial-infarction
#1
Michael Sola, Kiran Venkatesh, Melissa Caughey, Robert Rayson, Xuming Dai, George A Stouffer, Michael Yeung
OBJECTIVE: To determine the ability of simple hemodynamic parameters obtained at the time of cardiac catheterization to predict in-hospital mortality following ST-elevation myocardial infarction (STEMI). BACKGROUND: Hemodynamic parameters measured at the time of primary percutaneous coronary intervention (PPCI) could potentially identify high-risk patients who would benefit from aggressive hemodynamic support in the Cardiac Catheterization laboratory. METHODS: This is a retrospective single-center study of 219 consecutive patients with STEMI...
March 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28291451/prehospital-blood-transfusion-during-aeromedical-evacuation-of-trauma-patients-in-israel-the-idf-csar-experience
#2
Jacob Chen, Avi Benov, Roy Nadler, Daniel N Darlington, Andrew P Cap, Ari M Lipsky, Elon Glassberg
BACKGROUND: Data regarding the effect of prehospital blood administration to trauma patients during short-to-moderate time evacuations is scarce. The Israel Air Force Airborne Combat Search and Rescue is the only organization that deals with aeromedical evacuation for both military and civilian casualties in Israel and the only one with the ability to give blood in the prehospital setting. METHODS: Data on packed red blood cells (PRBCs) administration in the evacuation missions from January 2003 to June 2010 were analyzed and actual transfusion practice was compared to clinical practice guidelines (CPGs)...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28289531/critical-analysis-of-ineffective-post-implantation-implantable-cardioverter-defibrillator-testing
#3
Markus Roos, J Christoph Geller, Marc-Alexander Ohlow
AIM: To test of the implantable-cardioverter-defibrillator is done at the time of implantation. We investigate if any testing should be performed. METHODS: All consecutive patients between January 2006 and December 2008 undergoing implantable cardioverter-defibrillator (ICD) implantation/replacement (a total of 634 patients) were included in the retrospective study. RESULTS: Sixteen patients (2.5%) were not tested (9 with LA/LV-thrombus, 7 due to operator's decision)...
February 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28286265/vicarious-extinction-learning-during-reconsolidation-neutralizes-fear-memory
#4
Armita Golkar, Cathelijn Tjaden, Merel Kindt
BACKGROUND: Previous studies have suggested that fear memories can be updated when recalled, a process referred to as reconsolidation. Given the beneficial effects of model-based safety learning (i.e. vicarious extinction) in preventing the recovery of short-term fear memory, we examined whether consolidated long-term fear memories could be updated with safety learning accomplished through vicarious extinction learning initiated within the reconsolidation time-window. We assessed this in a final sample of 19 participants that underwent a three-day within-subject fear-conditioning design, using fear-potentiated startle as our primary index of fear learning...
February 22, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28282883/the-shock-pulse-index-and-its-application-in-the-fault-diagnosis-of-rolling-element-bearings
#5
Peng Sun, Yuhe Liao, Jin Lin
The properties of the time domain parameters of vibration signals have been extensively studied for the fault diagnosis of rolling element bearings (REBs). Parameters like kurtosis and Envelope Harmonic-to-Noise Ratio are the most widely applied in this field and some important progress has been made. However, since only one-sided information is contained in these parameters, problems still exist in practice when the signals collected are of complicated structure and/or contaminated by strong background noises...
March 8, 2017: Sensors
https://www.readbyqxmd.com/read/28280039/pathway-specific-aggregate-biomarker-risk-score-is-associated-with-burden-of-coronary-artery-disease-and-predicts-near-term-risk-of-myocardial-infarction-and-death
#6
Nima Ghasemzedah, Salim S Hayek, Yi-An Ko, Danny J Eapen, Riyaz S Patel, Pankaj Manocha, Hatem Al Kassem, Mohamed Khayata, Emir Veledar, Dimitrios Kremastinos, Christian W Thorball, Tomasz Pielak, Sergey Sikora, A Maziar Zafari, Stamatios Lerakis, Laurence Sperling, Viola Vaccarino, Stephen E Epstein, Arshed A Quyyumi
BACKGROUND: Inflammation, coagulation, and cell stress contribute to atherosclerosis and its adverse events. A biomarker risk score (BRS) based on the circulating levels of biomarkers C-reactive protein, fibrin degradation products, and heat shock protein-70 representing these 3 pathways was a strong predictor of future outcomes. We investigated whether soluble urokinase plasminogen activator receptor (suPAR), a marker of immune activation, is predictive of outcomes independent of the aforementioned markers and whether its addition to a 3-BRS improves risk reclassification...
March 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28276957/evaluation-of-the-relationship-between-salivary-concentration-of-anti-heat-shock-protein-immunoglobulin-and-clinical-manifestations-of-beh%C3%A3-et-s-disease
#7
M Doino, M Yokoyama, Y Sasaki, K Kondo, Y Yasuda, S Arakawa
OBJECTIVE: This study investigated the relationship between the concentration of anti-heat shock protein (HSP) 60 antibody in resting saliva and the severity of Behçet's disease (BD). METHOD: Sixty-five patients diagnosed with BD at Tokyo Medical and Dental University Hospital were enrolled in this study. Based on clinical severity scores, patients were categorized as having mild, moderate, or severe BD. Periodontal status was evaluated with the Community Periodontal Index (CPI), and anti-HSP60 antibody concentrations in resting saliva were measured with an enzyme-linked immunosorbent assay...
February 14, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/28276709/high-fat-diet-effects-on-metabolic-responses-to-chronic-stress
#8
Marzieh Nemati, Homeira Zardooz, Fatemeh Rostamkhani, Alireza Abadi, Forough Foroughi
CONTEXT: High-fat diets and chronic stress are prevalent risk factors for various chronic diseases in modern societies. OBJECTIVE: This study investigated the effect of high-fat diet on glucose-related metabolic responses to chronic foot-shock stress. MATERIALS AND METHODS: Male rats were divided into high-fat diet (containing 54.21% saturated and 44.89% unsaturated fatty acids) and normal diet groups and then into stress and non-stress subgroups...
March 3, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28268811/occurrence-of-elevated-shock-index-in-acute-patients-and-development-of-a-proportional-shock-index-metric
#9
Thomas Schmidt, Annmarie Lassen, Uffe Kock Wiil
Although shock index, as the ratio between heart rate and systolic blood pressure, is a well-recognized predictor for adverse outcomes, it is seldom integrated into clinical evaluation procedures as it requires on-the-fly evaluation of multiple terms. In this paper, we investigate the prevalence of elevated shock index in emergency department patients through an analysis of automatic heart rate and blood pressure readings from 809 admissions to an acute bedside ward at a large Danish hospital. The analysis is conducted by evaluating differences in terms of 30 day mortality...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28254686/impact-of-inadequate-initial-antimicrobial-therapy-on-mortality-in-patients-with-bacteraemic-cholangitis-a-retrospective-cohort-study
#10
Yasuaki Tagashira, Naoya Sakamoto, Toshiaki Isogai, Mayu Hikone, Atsushi Kosaka, Ran Chino, Masanori Higuchi, Yuki Uehara, Hitoshi Honda
OBJECTIVES: Acute cholangitis is a common cause of bacteraemia resulting in severe sepsis or septic shock. The impact of the appropriate initial antimicrobial therapy on short-term mortality in bacteraemic cholangitis has not been well investigated. METHODS: We conducted a retrospective cohort study of patients with bacteraemic cholangitis at two large tertiary care centres in Tokyo, Japan between 2009 and 2015. We determined the factors associated with 30-day all-cause mortality from the date of drawing the first positive blood culture, using a multivariate logistic regression analysis...
February 27, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28252537/daily-lowest-hemoglobin-and-risk-of-organ-dysfunctions-in-critically-ill-patients
#11
Sarah J Hemauer, Adam J Kingeter, Xue Han, Matthew S Shotwell, Pratik P Pandharipande, Liza M Weavind
OBJECTIVES: To determine the association between hemoglobin levels and the daily risk of individual organ dysfunctions in critically ill patients. DESIGN: Post hoc analysis of prospectively collected data. SETTING: Vanderbilt University Medical Center and Saint Thomas Hospital Medical and Surgical ICUs. PATIENTS: Medical and surgical ICU patients admitted with respiratory failure or shock. INTERVENTIONS: Baseline demographic data, and detailed in-ICU and hospital data, including daily lowest hemoglobin, were collected up to hospital day 30...
March 1, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28251488/acute-exercise-boosts-cell-proliferation-and-the-heat-shock-response-in-lymphocytes-correlation-with-cytokine-production-and-extracellular-to-intracellular-hsp70-ratio
#12
Thiago Gomes Heck, Sofia Pizzato Scomazzon, Patrícia Renck Nunes, Cinthia Maria Schöler, Gustavo Stumpf da Silva, Aline Bittencourt, Maria Cristina Faccioni-Heuser, Mauricio Krause, Roberto Barbosa Bazotte, Rui Curi, Paulo Ivo Homem de Bittencourt
Exercise stimulates immune responses, but the appropriate "doses" for such achievements are unsettled. Conversely, in metabolic tissues, exercise improves the heat shock (HS) response, a universal cytoprotective response to proteostasis challenges that are centred on the expression of the 70-kDa family of intracellular heat shock proteins (iHSP70), which are anti-inflammatory. Concurrently, exercise triggers the export of HSP70 towards the extracellular milieu (eHSP70), where they work as pro-inflammatory cytokines...
March 1, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28248014/-clinical-implications-of-shear-wave-ultrasound-elastography-for-evaluation-of-urinary-stones
#13
I G Kraev, V I Rudenko, A V Amosov, G E Krupinov, T M Ganzha
INTRODUCTION: Currently, extracorporeal shock wave lithotripsy (ESWL) is a minimally invasive treatment for patients with urolithiasis. With advancing medical technology, elastography has evolved as a method for measuring the elasticity of tissues. AIM: To investigate the elasticity of urinary stones for assessing their physical and chemical composition. MATERIALS AND METHODS: The elasticity of urinary stones was determined before ESWL in 30 urolithiasis patients (18 men and 12 women, aged 25-65 years) using shear wave ultrasound elastography (SWUE)...
November 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28248012/-cytological-evaluation-of-urothelial-damage-in-extracorporeal-shock-wave-lithotripsy
#14
A M Grabsky, E V Manukyan, A A Muradyan
INTRODUCTION: The study proposed a technique for early detection of the damaging effect of shock waves on the urinary tract tissues, for monitoring the state of urothelial cells in the early post-procedure period and choosing an adequate method for preventing and managing possible complications. MATERIALS AND METHODS: The study analyzed the urine samples of 300 patients aged 20 to 50 years, who for the first time underwent ESWL for kidney stones. The urine sediment smears were fixed in the May-Grunwald stain and stained with azure eosin solution according to Pappenheim...
November 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28247666/-extracorporeal-shock-wave-therapy-in-chronic-prostatitis
#15
E V Kul'chavenya, S Yu Shevchenko, E V Brizhatyuk
INTRODUCTION: Chronic prostatitis is a prevalent urologic disease, but treatment outcomes are not always satisfactory. As a rule, chronic prostatitis results in chronic pelvic pain syndrome, significantly reducing the patient's quality of life. MATERIAL AND METHODS: Open pilot prospective non-comparative study was conducted to test the effectiveness of extracorporeal shock wave therapy (ESWT) using Aries (Dornier) machine in patients with chronic prostatitis (CP) of IIIb category...
April 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28240688/repeated-piperacillin-tazobactam-plasma-concentration-measurements-in-severely-obese-versus-nonobese-critically-ill-septic-patients-and-the-risk-of-under-and-overdosing
#16
Boris Jung, Martin Mahul, Dominique Breilh, Rachel Legeron, Jeremy Signe, Helene Jean-Pierre, Anne-Catrin Uhlemann, Nicolas Molinari, Samir Jaber
OBJECTIVE: Obesity and critical illness modify pharmacokinetics of antibiotics, but piperacillin-tazobactam continuous IV infusion pharmacokinetics has been poorly studied in obese critically ill patients. We aimed to compare pharmacokinetics of piperacillin in severely obese and nonobese patients with severe sepsis or septic shock. We hypothesized that plasma concentration variability would expose the critically ill to both piperacillin under and overdosing. METHODS: Prospective comparative study...
February 24, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28239476/prolonged-direct-hemoperfusion-using-a-polymyxin-b-immobilized-fiber-cartridge-provides-sustained-circulatory-stabilization-in-patients-with-septic-shock-a-retrospective-observational-before-after-study
#17
Kyohei Miyamoto, Yu Kawazoe, Seiya Kato
BACKGROUND: Direct hemoperfusion therapy with polymyxin B immobilized fiber cartridges (PMX-DHP) is widely used for septic shock in Japan and parts of Europe. Although this treatment is usually administered for 2 h, the optimal duration has not been established. METHODS: This retrospective study compared the effects of prolonged and conventional PMX-DHP durations (2 and 12 h, respectively) for septic shock. Between October 2013 and March 2015, 18 patients underwent conventional PMX-DHP, and between April 2015 and May 2016, 18 patients underwent prolonged PMX-DHP...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28237841/relationship-between-serum-anti-heat-shock-protein-27-antibody-levels-and-obesity
#18
Mehrdad Kargari, Samira Tavassoli, Amir Avan, Mahmoud Ebrahimi, Mahmoud Reza Azarpazhooh, Rasool Asoodeh, Mohsen Nematy, Seyed Mahdi Hassanian, Farzad Rahmani, Elham Mohammadzade, Habibollah Esmaeili, Mohsen Moohebati, Gordon A Ferns, Majid Ghayour-Mobarhan, Seyed Mohammad Reza Parizadeh
BACKGROUND: Heat shock protein 27 (HSP27) is an intracellular molecular chaperone that is expressed at high levels following the exposure of cells to environmental stressors such as heat, toxins, and free radicals. High levels of HSP antigens and antibody titers have been reported in several conditions including cardiovascular disease and cancers. We measured serum anti-HSP27 antibody levels in 993 subjects and assessed the associations between serum anti-HSP27 antibody levels and demographic characteristics including coronary risk factors...
February 22, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28229893/safety-and-efficacy-of-natalizumab-in-patients-with-acute-ischaemic-stroke-action-a-randomised-placebo-controlled-double-blind-phase-2-trial
#19
Jacob Elkins, Roland Veltkamp, Joan Montaner, S Claiborne Johnston, Aneesh B Singhal, Kyra Becker, Maarten G Lansberg, Weihua Tang, Ih Chang, Kumar Muralidharan, Sarah Gheuens, Lahar Mehta, Mitchell S V Elkind
BACKGROUND: In animal models of acute ischaemic stroke, blocking of the leukocyte-endothelium adhesion by antagonism of α4 integrin reduces infarct volumes and improves outcomes. We assessed the effect of one dose of natalizumab, an antibody against the leukocyte adhesion molecule α4 integrin, in patients with acute ischaemic stroke. METHODS: In this double-blind, phase 2 study, patients with acute ischaemic stroke (aged 18-85 years) from 30 US and European clinical sites were randomly assigned (1:1) to 300 mg intravenous natalizumab or placebo with stratification by treatment window and baseline infarct size...
March 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28228335/alterations-in-cardiac-autonomic-control-in-spinal-cord-injury
#20
Fin Biering-Sørensen, Tor Biering-Sørensen, Nan Liu, Lasse Malmqvist, Jill Maria Wecht, Andrei Krassioukov
A spinal cord injury (SCI) interferes with the autonomic nervous system (ANS). The effect on the cardiovascular system will depend on the extent of damage to the spinal/central component of ANS. The cardiac changes are caused by loss of supraspinal sympathetic control and relatively increased parasympathetic cardiac control. Decreases in sympathetic activity result in heart rate and the arterial blood pressure changes, and may cause arrhythmias, in particular bradycardia, with the risk of cardiac arrest in those with cervical or high thoracic injuries...
February 15, 2017: Autonomic Neuroscience: Basic & Clinical
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