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https://www.readbyqxmd.com/read/28517022/impact-and-management-of-left-ventricular-function-on-the-prognosis-of-takotsubo-syndrome
#1
Ibrahim El-Battrawy, Uzair Ansari, Siegfried Lang, Michael Behnes, Katja Schramm, Christian Fastner, Xiaobo Zhou, Jürgen Kuschyk, Erol Tülümen, Susanne Röger, Martin Borggrefe, Ibrahim Akin
AIMS: Early research has proposed that patients with Takotsubo syndrome (TTS) could have a higher mortality rate than the general population. Our study was conducted to determine the short- and long-term outcome of TTS patients associated with a significantly compromised left ventricular function on hospital admission. METHODS AND RESULTS: Our institutional database constituted a collective of 112 patients diagnosed with TTS between 2003 and 2015. The patients were classified into two groups based on the left ventricular ejection fraction (LVEF), with those presenting with a LVEF >35% on admission categorized into one group (n=65, 58%) and those presenting with LVEF ≤35% (n=47, 42%) categorized into another group...
May 18, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28515136/loss-of-humoral-and-cellular-immunity-to-invasive-nontyphoidal-salmonella-during-current-or-convalescent-plasmodium-falciparum-infection-in-malawian-children
#2
Tonney S Nyirenda, James T Nyirenda, Dumizulu L Tembo, Janet Storm, Queen Dube, Chisomo L Msefula, Kondwani C Jambo, Henry C Mwandumba, Robert S Heyderman, Melita A Gordon, Wilson L Mandala
Invasive nontyphoidal Salmonella (iNTS) infections are commonly associated with Plasmodium falciparum infections, but the immunologic basis for this linkage is poorly understood. We hypothesized that P. falciparum infection compromises the hosts' humoral and cellular immunity to NTS which increases their susceptibility to iNTS infection. We prospectively recruited children aged between 6 and 60 months at a Community Health Centre in Blantyre, Malawi and allocated them to the following groups; febrile with uncomplicated malaria, febrile malaria-negative, non-febrile malaria-negative...
May 17, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28507892/a-case-of-massive-hemoptysis-following-transesophageal-echocardiogram
#3
Sean J Callahan, Robert M Jones, Dana Albon, Andrew D Mihalek
INTRODUCTION: Tracheal intubation leading to injury of the airway is a rare complication of transesophageal echocardiography (TEE). Tracheal trauma is not a described complication of TEE, and safety literature for this procedure remains silent on the matter. We describe the case of a patient on systemic anticoagulation and antiplatelet therapy who underwent TEE and suffered massive hemoptysis requiring bronchial artery embolization (BAE). CASE PRESENTATION: An elderly patient was admitted to the hospital with recently diagnosed atrial fibrillation and shortness of breath...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28503626/the-effect-of-noninvasive-positive-pressure-ventilation-on-pneumonia-hospitalizations-in-children-with-neurological-disease
#4
Abeyat Zaman-Haque, Craig Campbell, Dhenuka Radhakrishnan
The aim of this retrospective single-institution observational study was to identify whether the frequency of hospitalizations for pneumonia would change before and after the initiation of noninvasive positive pressure ventilation in children with neurological conditions. Included patients were 1 to 18 years old with an underlying neurological disease and had been prescribed nocturnal noninvasive positive pressure ventilation. The authors excluded patients with a tracheostomy or those who used noninvasive positive pressure ventilation solely for obstructive sleep apnea...
January 2017: Child Neurol Open
https://www.readbyqxmd.com/read/28499654/hybrid-extracorporeal-membrane-oxygenation-using-avalon-elite-double-lumen-cannula-ensures-adequate-heart-brain-oxygen-supply
#5
Ju Zhao, Dongfang Wang, Cherry Ballard-Croft, Jingkun Wang, Po-Lin Hsu, Matthew Bacchetta, Joseph B Zwischenberger
BACKGROUND: Differential hypoxia exists in peripheral venoarterial (VA) extracorporeal membrane oxygenation (ECMO) patients with compromised lungs, causing hypoxic damage to heart or brain. We proposed an Avalon Elite (Maquet, Rastatt, Germany) double lumen cannula-based hybrid ECMO to add a venovenous (VV) blood flow into the pulmonary circulation onto the existing VA ECMO circuit to increase oxygen saturation in the left ventricle and ascending aorta, mitigating heart/brain hypoxia...
May 9, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28495570/effect-of-chronic-heart-failure-in-older-rats-on-respiratory-muscle-and-hindlimb-blood-flow-during-submaximal-exercise
#6
Joshua R Smith, K Sue Hageman, Craig A Harms, David C Poole, Timothy I Musch
Submaximal exercise diaphragm blood flow (BF) is elevated in young chronic heart failure (CHF) rats, while it is unknown if this occurs in older animals. Respiratory and hindlimb muscle BFs (radiolabeled microspheres) were measured at rest and during submaximal exercise (20m/min, 5% grade) in older healthy (n=7) and CHF (n=6) Fischer 344X Brown Norway rats (27-29 mo old). Older CHF, compared to healthy, rats had greater (p<0.01) left ventricular end-diastolic pressure and right ventricle and lung weight (normalized to body weight)...
May 7, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28495375/methylene-blue-stimulates-substrate-level-phosphorylation-catalysed-by-succinyl-coa-ligase-in-the-citric-acid-cycle
#7
T Komlódi, L Tretter
Methylene blue (MB), a potential neuroprotective agent, is efficient in various neurodegenerative disease models. Beneficial effects of MB have been attributed to improvements in mitochondrial functions. Substrate-level phosphorylation (SLP) results in the production of ATP independent from the ATP synthase (ATP-ase). In energetically compromised mitochondria, ATP produced by SLP can prevent the reversal of the adenine nucleotide translocase and thus the hydrolysis of glycolytic ATP. The aim of the present study was to investigate the effect of MB on mitochondrial SLP catalysed by succinyl-CoA ligase...
May 8, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28492403/pediatric-in-hospital-acute-respiratory-compromise-a-report-from-the-american-heart-association-s-get-with-the-guidelines-resuscitation-registry
#8
Lars W Andersen, Mikael Vognsen, Alexis Topjian, Linda Brown, Robert A Berg, Vinay M Nadkarni, Hans Kirkegaard, Michael W Donnino
OBJECTIVES: The main objectives of this study were to describe in-hospital acute respiratory compromise among children (< 18 yr old), and its association with cardiac arrest and in-hospital mortality. DESIGN: Observational study using prospectively collected data. SETTING: U.S. hospitals reporting data to the "Get With The Guidelines-Resuscitation" registry. PATIENTS: Pediatric patients (< 18 yr old) with acute respiratory compromise...
May 10, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28481631/peak-inspiratory-flow-rate-as-a-criterion-for-dry-powder-inhaler-use-in-chronic-obstructive-pulmonary-disease
#9
Donald A Mahler
Dry powder bronchodilator devices have an internal resistance. Effective use depends on the patient generating an adequate inspiratory flow to break up the powder packets into particles less than five micron in diameter that can be inhaled into the loser respiratory tract. This de-aggregation takes place inside the device before the dose leaves the inhaler; this process is increased if the acceleration is fast at the start of inhalation. Peak inspiratory flow depends on an individual's effort along with strength of the respiratory muscles, which may be compromised in those with chronic obstructive pulmonary disease due to lung hyperinflation, hypoxemia, and muscle wasting...
May 8, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28474131/dysphagia-in-friedreich-ataxia
#10
Megan J Keage, Martin B Delatycki, Isabelle Gupta, Louise A Corben, Adam P Vogel
The objective of the study was to comprehensively characterise dysphagia in Friedreich ataxia (FRDA) and identify predictors of penetration/aspiration during swallowing. We also investigated the psychosocial impact of dysphagia on individuals with FRDA. Sixty participants with FRDA were screened for dysphagia using a swallowing quality of life questionnaire (Swal-QOL) and case history. Individuals reporting dysphagia underwent a standardised oromotor assessment (Frenchay Dysarthria Assessment, 2, FDA-2) and videofluoroscopic study of swallowing (VFSS)...
May 4, 2017: Dysphagia
https://www.readbyqxmd.com/read/28472853/genetic-rescue-of-mitochondrial-and-skeletal-muscle-impairment-in-an-ipscs-model-of-coenzyme-q10-deficiency
#11
Damià Romero-Moya, Carlos Santos-Ocaña, Julio Castaño, Gloria Garrabou, José A Rodríguez-Gómez, Vanesa Ruiz-Bonilla, Clara Bueno, Patricia González-Rodriguez, Alessandra Giorgetti, Eusebio Perdiguero, Cristina Prieto, Constanza Moren-Nuñez, Daniel J Fernández-Ayala, Maria Victoria Cascajo, Iván Velasco, Josep Maria Canals, Raquel Montero, Delia Yubero, Cristina Jou, José López-Barneo, Francesc Cardellach, Pura Muñoz-Cánoves, Rafael Artuch, Plácido Navas, Pablo Menéndez
Coenzyme Q10 (CoQ10 ) plays a crucial role in mitochondria as an electron carrier within the mitochondrial respiratory chain (MRC), and is an essential antioxidant. Mutations in genes responsible for CoQ10 biosynthesis (COQ genes) cause primary CoQ10 deficiency, a rare and heterogeneous mitochondrial disorder with no clear genotype-phenotype association, mainly affecting tissues with high-energy demand including brain and skeletal muscle (SkM). Here, we report a 4-year old girl diagnosed with minor mental retardation and lethal rhabdomyolysis harboring a heterozygous mutation (c...
May 4, 2017: Stem Cells
https://www.readbyqxmd.com/read/28470922/choosing-the-appropriate-configuration-and-cannulation-strategies-for-extracorporeal-membrane-oxygenation-the-potential-dynamic-process-of-organ-support-and-importance-of-hybrid-modes
#12
Vitaly Sorokin, Graeme MacLaren, Puwalani C Vidanapathirana, Thijs Delnoij, Roberto Lorusso
Extracorporeal membrane oxygenation (ECMO) is becoming a common procedure to support patients with severe cardio-circulatory or respiratory failure as well as in case of combined compromise of the two systems. Deciding which ECMO configuration and proceeding with an uneventful implantation, however, may present minor or major shortcomings. Cannulation techniques should be tailored to specific patient conditions to provide sufficient regional and systemic perfusion, both of which must be comprehensively monitored...
May 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28469622/the-involvement-of-nitric-oxide-in-integration-of-plant-physiological-and-ultrastructural-adjustments-in-response-to-arsenic
#13
Fernanda S Farnese, Juraci A Oliveira, Elder A S Paiva, Paulo E Menezes-Silva, Adinan A da Silva, Fernanda V Campos, Cléberson Ribeiro
High arsenic (As) concentrations are toxic to all the living organisms and the cellular response to this metalloid requires the involvement of cell signaling agents, such as nitric oxide (NO). The As toxicity and NO signaling were analyzed in Pistia stratiotes leaves. Plants were exposed to four treatments, for 24 h: control; SNP [sodium nitroprusside (NO donor); 0.1 mg L(-1)]; As (1.5 mg L(-1)) and As + SNP (1.5 and 0.1 mg L(-1), respectively). The absorption of As increased the concentration of reactive oxygen species and triggered changes in the primary metabolism of the plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28468263/an-evaluation-of-a-continuing-education-program-for-family-caregivers-of-ventilator-dependent-children-with-spinal-muscular-atrophy-sma
#14
Deborah S Boroughs
Until 25 years ago, there were limited options for long-term mechanical ventilation of children, and the majority of children were cared for in hospitals. However, with improving technology, the pediatric intensive care unit has moved from the hospital to a home setting, as children with increasingly complex healthcare needs are now often cared for by family members. One of the most complex care conditions involves ventilator and tracheostomy support. Advanced respiratory technologies that augment natural respiratory function prolong the lives of children with respiratory compromise; however, this care often comes with serious risks, including respiratory muscle impairment, respiratory failure, and chronic pulmonary disease...
April 29, 2017: Children
https://www.readbyqxmd.com/read/28462787/inspiratory-muscle-training-for-children-and-adolescents-with-neuromuscular-diseases-a-systematic-review
#15
REVIEW
Anri Human, Lieselotte Corten, Jennifer Jelsma, Brenda Morrow
Patients with neuromuscular diseases are at risk of morbidity and mortality due to respiratory compromise caused by respiratory muscle weakness. A systematic review was performed using pre-specified search strategies to determine the safety of inspiratory muscle training (IMT) and whether it has an impact on inspiratory muscle strength and endurance, exercise capacity, pulmonary function, dyspnoea and health-related quality of life. Randomised, quasi-randomised, cross-over and clinical controlled trials were included if they assessed the use of an external IMT device compared to no, sham/placebo, or alternative IMT treatment in children aged 5-18 years with neuromuscular diseases...
March 29, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28461233/inhibition-of-reductase-systems-by-2-aapa-modulates-peroxiredoxin-oxidation-and-mitochondrial-function-in-a172-glioblastoma-cells
#16
Luiz Felipe de Souza, Ariana Ern Schmitz, Luana Caroline Schüler da Silva, Karen Andrinéia de Oliveira, Cláudia Beatriz Nedel, Carla Inês Tasca, Andreza Fabro de Bem, Marcelo Farina, Alcir Luiz Dafre
Thiol homeostasis has a critical role in the maintenance of proper cellular functions and survival, being coordinated by the action of several reductive enzymes, including glutathione (GSH)/glutathione reductase (GR) and thioredoxin (Trx)/thioredoxin reductase (TrxR) systems. Here, we investigated the effects of the GR inhibitor 2-acetylamino-3-[4-(2-acetylamino-2-carboxyethylsulfanylthiocarbonylamino)phenylthiocarbamoylsulfanyl]propionic acid (2-AAPA) on the activity of thiol reductases (GR and TrxR), redox balance and mitochondrial function of A172 glioblastoma cells...
April 29, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28461212/risk-factors-and-outcomes-related-to-pediatric-intensive-care-unit-admission-after-hematopoietic-stem-cell-transplantation-a-single-centre-experience
#17
Marta Pillon, Angela Amigoni, Annaelena Contin, Manuela Cattelan, Elisa Carraro, Emiliana Campagnano, Manuela Tumino, Elisabetta Calore, Antonio Marzollo, Chiara Mainardi, Maria Paola Boaro, Marta Nizzero, Andrea Pettenazzo, Giuseppe Basso, Chiara Messina
To describe incidence, causes and outcomes related to pediatric intensive care unit (PICU) admission for patients undergoing hematopoietic stem cell transplantation (HSCT). To investigate risk factors predisposing to PICU admission and prognostic factors in terms of patient survival. From October 1998 to April 2015, 496 children and young adults (0-23 years) underwent transplantation in the HSCT Unit. Among them, 70 (14.1%) were admitted to PICU. The 3-year cumulative incidence of PICU admission was 14.3%. The main causes of PICU admission were: respiratory failure (36%), multiple organ failure (16%) and septic shock (13%)...
April 28, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28454590/protective-intraoperative-ventilation-with-higher-versus-lower-levels-of-positive-end-expiratory-pressure-in-obese-patients-probese-study-protocol-for-a-randomized-controlled-trial
#18
T Bluth, R Teichmann, T Kiss, I Bobek, J Canet, G Cinnella, L De Baerdemaeker, C Gregoretti, G Hedenstierna, S N Hemmes, M Hiesmayr, M W Hollmann, S Jaber, J G Laffey, M J Licker, K Markstaller, I Matot, G Müller, G H Mills, J P Mulier, C Putensen, R Rossaint, J Schmitt, M Senturk, A Serpa Neto, P Severgnini, J Sprung, M F Vidal Melo, H Wrigge, M J Schultz, P Pelosi, M Gama de Abreu
BACKGROUND: Postoperative pulmonary complications (PPCs) increase the morbidity and mortality of surgery in obese patients. High levels of positive end-expiratory pressure (PEEP) with lung recruitment maneuvers may improve intraoperative respiratory function, but they can also compromise hemodynamics, and the effects on PPCs are uncertain. We hypothesized that intraoperative mechanical ventilation using high PEEP with periodic recruitment maneuvers, as compared with low PEEP without recruitment maneuvers, prevents PPCs in obese patients...
April 28, 2017: Trials
https://www.readbyqxmd.com/read/28452761/respiratory-gated-kes-imaging-of-a-rat-model-of-acute-lung-injury-at-the-canadian-light-source
#19
P Deman, S Tan, G Belev, N Samadi, M Martinson, D Chapman, N L Ford
In this study, contrast-enhanced X-ray tomographic imaging for monitoring and quantifying respiratory disease in preclinical rodent models is proposed. A K-edge imaging method has been developed at the Canadian Light Source to very accurately obtain measurements of the concentration of iodinated contrast agent in the pulmonary vasculature and inhaled xenon in the airspaces of rats. To compare the iodine and xenon concentration maps, a scout projection image was acquired to define the region of interest within the thorax for imaging and to ensure the same locations were imaged in each K-edge subtraction (KES) acquisition...
May 1, 2017: Journal of Synchrotron Radiation
https://www.readbyqxmd.com/read/28447274/classification-and-regression-tree-model-for-predicting-tracheostomy-in-patients-with-traumatic-cervical-spinal-cord-injury
#20
Dae-Sang Lee, Chi-Min Park, Keumhee Chough Carriere, Joonghyun Ahn
PURPOSE: In patients with cervical spinal cord injury (CSCI), respiratory compromise and the need for tracheostomy are common. The purpose of this study was to identify common risk factors for tracheostomy following traumatic CSCI and develop a decision tree for tracheostomy in traumatic CSCI patients without pulmonary function test. METHODS: Data of 105 trauma patients with CSCI admitted in our institution from April, 2008 to February, 2014 were retrospectively analyzed...
April 26, 2017: European Spine Journal
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