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https://www.readbyqxmd.com/read/27920974/a-case-report-of-malignant-obesity-hypoventilation-syndrome-a-weighty-problem-in-our-icus
#1
Michael Tatusov, Joshua J Joseph, Brian M Cuneo
INTRODUCTION: The obesity epidemic is reflected by increasing numbers of morbidly obese patients being admitted to intensive care units (ICUs). These are complicated patients whose care involves many diagnostic and treatment challenges. We are presenting a fatal case of super obesity, hypoventilation, and multi-organ failure known as malignant obesity hypoventilation syndrome (MOHS). CASE PRESENTATION: 35 year old African American gentleman with a body mass index (BMI) of 115 kg/m(2) presented to the hospital with respiratory distress...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27909226/unique-cytokine-and-chemokine-responses-to-exertional-heat-stroke-in-mice
#2
Michelle A King, Lisa R Leon, Deborah A Morse, Thomas L Clanton
In heat stroke, cytokines are believed to play important roles in multi-organ dysfunction and recovery of damaged tissue. The time course of the cytokine response is well defined in passive heat stroke (PHS), but little is known about exertional heat stroke (EHS). In this study we used a recently developed mouse EHS model to measure the responses of circulating cytokines/chemokines and cytokine gene expression in muscle. A very rapid increase in circulating IL-6 was observed at max core temperature (Tc,max) that peaked at 0...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27907062/sepsis-prevalence-and-outcome-on-the-general-wards-and-emergency-departments-in-wales-results-of-a-multi-centre-observational-point-prevalence-study
#3
Tamas Szakmany, Robert M Lundin, Ben Sharif, Gemma Ellis, Paul Morgan, Maja Kopczynska, Amrit Dhadda, Charlotte Mann, Danielle Donoghue, Sarah Rollason, Emma Brownlow, Francesca Hill, Grace Carr, Hannah Turley, James Hassall, James Lloyd, Llywela Davies, Michael Atkinson, Molly Jones, Nerys Jones, Rhodri Martin, Yousef Ibrahim, Judith E Hall
Data on sepsis prevalence on the general wards is lacking on the UK and in the developed world. We conducted a multicentre, prospective, observational study of the prevalence of patients with sepsis or severe sepsis on the general wards and Emergency Departments (ED) in Wales. During the 24-hour study period all patients with NEWS≥3 were screened for presence of 2 or more SIRS criteria. To be eligible for inclusion, patients had to have a high clinical suspicion of an infection, together with a systemic inflammatory response (sepsis) and evidence of acute organ dysfunction and/or shock (severe sepsis)...
2016: PloS One
https://www.readbyqxmd.com/read/27899435/imaging-oxygen-metabolism-with-hyperpolarized-magnetic-resonance-a-novel-approach-for-cardiac-and-renal-function%C3%A2-assessement
#4
Marie Schroeder, Christoffer Lausten
Every tissue in the body critically depends on meeting its energetic demands with sufficient oxygen supply. Oxygen supply/demand imbalances underlie the diseases that inflict the greatest socioeconomic burden globally. The purpose of this review is to examine how hyperpolarized contrast media, used in combination with MR data acquisition methods, may advance our ability to assess oxygen metabolism non-invasively and thus improve management of clinical disease. We first introduce the concept of hyperpolarization and how hyperpolarized contrast media have been practically implemented to achieve translational and clinical research...
November 29, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27893797/risk-factors-for-multiple-organ-dysfunction-syndrome-in-severe-stroke-patients
#5
Wei Qin, Xiaoyu Zhang, Shuna Yang, Yue Li, Junliang Yuan, Lei Yang, Shujuan Li, Wenli Hu
BACKGROUND: Severe stroke patients have poor clinical outcome which may be associated with development of multiple organ dysfunction syndrome (MODS). Therefore, the aim of our study was to investigate independent risk factors for development of MODS in severe stroke patients. METHODS: Ninety seven severe stroke patients were prospective recruited from Jan 2011 to Jun 2015. The development of MODS was identified by Sequential Organ Failure Assessment (SOFA) score (score ≥ 3, at least two organs), which was assessed on day 1, 4, 7, 10 and 14 after admission...
2016: PloS One
https://www.readbyqxmd.com/read/27881168/loss-of-porin-function-in-dopaminergic-neurons-of-drosophila-is-suppressed-by-buffy
#6
P Githure M'Angale, Brian E Staveley
BACKGROUND: Mitochondrial porin, also known as the voltage-dependent anion channel (VDAC), is a multi-functional channel protein that shuttles metabolites between the mitochondria and the cytosol and implicated in cellular life and death decisions. The inhibition of porin under the control of neuronal Ddc-Gal4 result in short lifespan and in an age-dependent loss in locomotor function, phenotypes that are strongly associated with Drosophila models of Parkinson disease. METHODS: Loss of porin function was achieved through exploitation of RNA interference while derivative lines were generated by homologous recombination and tested by PCR...
November 24, 2016: Journal of Biomedical Science
https://www.readbyqxmd.com/read/27876313/lysosomal-acid-lipase-deficiency-expanding-differential-diagnosis
#7
Vassili Valayannopoulos, Eugen Mengel, Anais Brassier, Gregory Grabowski
The differential diagnoses for metabolic liver diseases may be challenging in clinical settings, which represents a critical issue for disorders such as lysosomal acid lipase deficiency (LAL-D). LAL-D is caused by deficient activity of the LAL enzyme, resulting in the accumulation of cholesteryl esters and triglycerides throughout the body, predominately in the liver, spleen, gastrointestinal tract, and blood vessel walls. LAL-D is a progressive, multi-organ disease with early mortality and significant morbidity characterized by a combination of hepatic dysfunction and dyslipidemia...
November 10, 2016: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/27872804/pulmonary-hypertension-secondary-to-pulmonary-veno-occlusive-disease-complicated-by-right-heart-failure-hypotension-and-acute-kidney-injury
#8
Nima Golzy, Stuti Fernandes, Justin Sharim, Rikin Tank, Henry D Tazelaar, Howard E Epstein, Victor Tapson, Antoine Hage
Pulmonary veno-occlusive disease (PVOD) is rare condition which can lead to severe pulmonary hypertension, right ventricular dysfunction, and cardiopulmonary failure. The diagnosis of PVOD can be challenging due to its nonspecific symptoms and its similarity to idiopathic pulmonary arterial hypertension and interstitial lung disease in terms of diagnostic findings. This case describes a 57 year old female patient who presented with a 5-month history of progressive dyspnea on exertion and nonproductive cough...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27857993/acute-ischemic-stroke-and-severe-multiorgan-dysfunction-due-to-multiple-bee-stings
#9
Murat Guzel, Handan Akar, Ali Kemal Erenler, Ahmet Baydin, Abdulcelil Kayabas
Various manifestations after bee sting have been described. Local reactions, such as pain, wheal, flare, edema and swelling, are common and generally self-limiting. Uncommonly manifestations like vomiting, diarrhea, dyspnea, generalized edema, acute renal failure, anaphylactic shock, myocardial infarction, hypotension, collapse, pulmonary hemorrhage, acute hemorrhagic pancreatitis, and atrial fibrillation may occur. We report a 59 year-old man who sustained ischemic stroke and multi-organ dysfunction following multiple bee stings...
September 2016: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27821503/classification-systems-for-chronic-graft-versus-host-disease
#10
Stephanie J Lee
Chronic graft versus host disease (GVHD) is a major cause of morbidity and mortality after allogeneic hematopoietic cell transplantation (HCT). Clinically, chronic GVHD is a pleiotropic, multi-organ syndrome involving tissue inflammation and fibrosis that often results in permanent organ dysfunction. Chronic GVHD is fundamentally caused by replacement of the host's immune system with donor cells, although the heterogeneity of clinical manifestations suggests patient, donor and transplant factors modulate the phenotype...
November 7, 2016: Blood
https://www.readbyqxmd.com/read/27821152/a-20-year-multicentre-outcome-analysis-of-salvage-mechanical-circulatory-support-for-refractory-cardiogenic-shock-after-cardiac-surgery
#11
Maziar Khorsandi, Scott Dougherty, Andrew Sinclair, Keith Buchan, Fiona MacLennan, Omar Bouamra, Philip Curry, Vipin Zamvar, Geoffrey Berg, Nawwar Al-Attar
BACKGROUND: Refractory post-cardiotomy cardiogenic shock (PCCS) is a relatively rare phenomenon that can lead to rapid multi-organ dysfunction syndrome and is almost invariably fatal without advanced mechanical circulatory support (AMCS), namely extra-corporeal membrane oxygenation (ECMO) or ventricular assist devices (VAD). In this multicentre observational study we retrospectively analyzed the outcomes of salvage venoarterial ECMO (VA ECMO) and VAD for refractory PCCS in the 3 adult cardiothoracic surgery centres in Scotland over a 20-year period...
November 8, 2016: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/27794188/impaired-contractility-of-the-circular-striated-urethral-sphincter-muscle-may-contribute-to-stress-urinary-incontinence-in-femal-zucker-fatty-rats
#12
Yung-Chin Lee, Guiting Lin, Guifang Wang, Amanda Reed-Maldonado, Zhihua Lu, Lin Wang, Lia Banie, Tom F Lue
AIM: Obesity has been an independent risk factor for female stress urinary incontinence (SUI), the mechanism of this association remains unknown. The aim of this study is to validate the hypothesis that urethral dysfunction is a possible contributor to SUI in obese women. METHODS: Ten Zucker Fatty (ZF) (ZUC-Lepr(fa) 185) and 10 Zucker Lean (ZL) (ZUC-Lepr(fa) 186) female rats at 12-week-old were used in this experiment. The urethral sphincter rings were harvested from the bladder neck through to the most proximal 2/3 regions...
October 29, 2016: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/27790540/a-randomized-trial-comparing-efficacy-of-bubble-and-ventilator-derived-nasal-cpap-in-very-low-birth-weight-neonates-with-respiratory-distress
#13
Sheetal Agarwal, Arti Maria, Mahesh K Roy, Ankit Verma
INTRODUCTION: Continuous Positive Airway Pressure (CPAP) has an established role in the care of Very Low Birth Weight (VLBW) babies with respiratory distress. Bubble CPAP (BCPAP) is a cheap alternative for countries where resources are limited. However, data comparing efficacy of BCPAP with conventional ventilator derived (VCPAP) is limited. AIM: To compare CPAP failure rates between BCPAP and VCPAP among VLBW, with moderate respiratory distress. Secondary objectives were to compare the rates of Intraventricular Haemorrhage (IVH), pulmonary air leaks and deaths between the two groups and determine the predictors of CPAP failure...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27790437/ventilator-associated-pneumonia-in-an-infant-caused-by-stenotrophomonas-maltophila-a-case-report
#14
Neelima Angaali, Nina Dutta Roy, Sudharshan Raj Chitgupikar, Preeti Subramanian, Jaya Lakshmi Pabbati
Stenotrophomonas maltophila (S.maltophila) is an aerobic Gram-negative bacillus that is a frequent colonizer of fluids used in the hospital setting. The organism is known to cause life threatening infections in immuno-compromised patients especially in those who are neutropenic, on chemotherapy or on broad spectrum antibiotics. We report a case of ventilator associated pneumonia caused by Stenotrophomonas maltophila in a two-month old infant who later developed multi organ dysfunction syndrome. In seriously ill paediatric patients, S...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27756752/tsc2-deficiency-unmasks-a-novel-necrosis-pathway-that-is-suppressed-by-the-rip1-rip3-mlkl-signaling-cascade
#15
Piotr T Filipczak, Cynthia L Thomas, Wenshu Chen, Andrew Salzman, Jacob D McDonald, Yong Lin, Steven A Belinsky
Tuberous sclerosis complex (TSC) is a genetic multi-organ disorder characterized by the development of neoplastic lesions in kidney, lung, brain, heart and skin. It is caused by an inactivating mutation in tumor suppressor genes coding the TSC1/TSC2 complex, resulting in hyperactivation of mTOR- and Raf/MEK/MAPK-dependent signaling that stimulates tumor cell proliferation and metastasis. Despite its oncogenic effect, cells with TSC deficiency were more sensitive to oxidative stress and dependent on mitochondrial metabolism, providing a rationale for a new therapeutic approach...
October 18, 2016: Cancer Research
https://www.readbyqxmd.com/read/27744583/disease-causing-point-mutations-in-metal-binding-domains-of-wilson-disease-protein-decrease-stability-and-increase-structural-dynamics
#16
Ranjeet Kumar, Candan Ariöz, Yaozong Li, Niklas Bosaeus, Sandra Rocha, Pernilla Wittung-Stafshede
After cellular uptake, Copper (Cu) ions are transferred from the chaperone Atox1 to the Wilson disease protein (ATP7B) for incorporation into Cu-dependent enzymes in the secretory pathway. Human ATP7B is a large multi-domain membrane-spanning protein which, in contrast to homologues in other organisms, has six similar cytoplasmic metal-binding domains (MBDs). The reason for multiple MBDs is proposed to be indirect modulation of enzymatic activity and it is thus intriguing that point mutations in MBDs can promote Wilson disease...
October 15, 2016: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/27724850/multi-complexity-measures-of-heart-rate-variability-and-the-effect-of-vasopressor-titration-a-prospective-cohort-study-of-patients-with-septic-shock
#17
Samuel M Brown, Jeffrey Sorensen, Michael J Lanspa, Matthew T Rondina, Colin K Grissom, Sajid Shahul, V J Mathews
BACKGROUND: Septic shock is a common and often devastating syndrome marked by severe cardiovascular dysfunction commonly managed with vasopressors. Whether markers of heart rate complexity before vasopressor up-titration could be used to predict success of the up-titration is not known. METHODS: We studied patients with septic shock requiring vasopressor, newly admitted to the intensive care unit. We measured the complexity of heart rate variability (using the ratio of fractal exponents from detrended fluctuation analysis) in the 5 min before all vasopressor up-titrations in the first 24 h of an intensive care unit (ICU) admission...
October 10, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27709804/impaired-hepato-renal-function-defined-by-the-meld-xi-score-as-prognosticator-in-acute-heart-failure
#18
Jan Biegus, Robert Zymliński, Mateusz Sokolski, Paweł Siwołowski, Piotr Gajewski, Sylwia Nawrocka-Millward, Elżbieta Poniewierka, Ewa A Jankowska, Waldemar Banasiak, Piotr Ponikowski
AIM: Multi-organ dysfunction often complicates the natural course of acute heart failure (AHF) and identifies patients with poor prognosis. The MELD score (Model of End-Stage Liver Dysfunction) combines data reflecting liver and kidney function, which makes it a potentially useful tool for the assessment of patients with AHF. The aim of this study was to assess the prognostic utility of the MELD score in patients with AHF. METHODS AND RESULTS: The MELD score was calculated on admission and during hospital stay (days 2-3) using a formula that does not take into account the international normalized ratio (MELD XI)...
December 2016: European Journal of Heart Failure
https://www.readbyqxmd.com/read/27692098/effects-of-choline-treatment-in-concentrations-of-serum-matrix-metalloproteinases-mmps-mmp-tissue-inhibitors-timps-and-immunoglobulins-in-an-experimental-model-of-canine-sepsis
#19
Meric Kocaturk, Oya Eralp-Inan, A Tvarijonaviciute, Mehmet Cansev, M Ozgur Ozyigit, J J Ceron, Zeki Yilmaz, M Mufit Kahraman
The aim of the present study was to investigate effects of intravenous (i.v.) choline treatment on serum matrix metalloproteinases (MMP), MMP tissue inhibitors (TIMP) and immunoglobulins (Igs), and to determine if there were relations between serum MMPs/TIMPs and C-reactive protein (CRP) (as a marker of the acute phase response), immunoglobulin G and M (IgG and IgM) (as a maker of the Ig responses) and markers of organ damage such as muscular damage (creatine phosphokinase, [CPK]), liver damage (alanine aminotransferase [ALT]) and renal dysfunction (blood urea nitrogen [BUN] and creatinine, [Cr]) in dogs with endotoxemia...
November 1, 2016: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/27646297/comprehensive-in-vitro-cardiac-safety-assessment-using-human-stem-cell-technology-overview-of-csahi-heart-initiative
#20
Kiyoshi Takasuna, Keiichi Asakura, Seiichi Araki, Hiroyuki Ando, Katsuyuki Kazusa, Takashi Kitaguchi, Takeshi Kunimatsu, Shinobu Suzuki, Norimasa Miyamoto
Recent increasing evidence suggests that the currently-used platforms in vitro IKr and APD, and/or in vivo QT assays are not fully predictive for TdP, and do not address potential arrhythmia (VT and/or VF) induced by diverse mechanisms of action. In addition, other cardiac safety liabilities such as functional dysfunction of excitation-contraction coupling (contractility) and structural damage (morphological damage to cardiomyocytes) are also major causes of drug attrition, but current in vitro assays do not cover all these liabilities...
September 17, 2016: Journal of Pharmacological and Toxicological Methods
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