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https://www.readbyqxmd.com/read/29026901/dietary-iron-loading-negatively-affects-liver-mitochondrial-function
#1
Chiara Volani, Carolina Doerrier, Egon Demetz, David Haschka, Giuseppe Paglia, Alexandros A Lavdas, Erich Gnaiger, Guenter Weiss
Iron is an essential co-factor for several metabolic processes, including mitochondrial respiration, and mitochondria are the major sites of iron-utilization. Cellular iron homeostasis must be tightly regulated, as intracellular iron deficiency can lead to insufficient energy production, whereas iron overload triggers ROS (reactive oxygen species) formation via the Fenton reaction. So far little is known on how iron imbalances affect mitochondrial function in vivo and the impact of the genotype on that, we studied the effects of dietary iron loading on mitochondrial respiratory capacity in liver by comparing two genetically divergent mouse strains, namely C57BL/6N and FVB mice...
October 13, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/29022854/single-center-mid-term-experience-with-chimney-graft-technique-for-the-preservation-of-flow-to-the-supra-aortic-branches
#2
Robert Shahverdyan, Spyridon Mylonas, Michael Gawenda, Jan Brunkwall
Objectives To investigate the feasibility and the mid-term outcomes of the chimney-graft technique for the revascularization of supra-aortic branches in patients with thoracic aortic pathologies involving the aortic arch. Methods A retrospective analysis of a prospectively maintained database between January 2010 and July 2016 was performed. Primary endpoints were 30-day and overall mortality. Secondary endpoints were technical success, target vessel patency, stroke/transitory ischemic attack and type I/III endoleak rate...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/29016794/epidemiology-of-chronic-respiratory-diseases-and-associated-factors-in-the-adult-italian-population
#3
Gianluigi Ferrante, Sandro Baldissera, Stefano Campostrini
Background: Detailed epidemiology of Chronic Respiratory Diseases (CRDs) and of their risk and protective factors is needed to plan preventive interventions to reduce the burden of CRDs on population health. This study determines the prevalence of doctor-diagnosed CRDs and its associated factors in the adult Italian population. Methods: Data was collected from adults participating in the ongoing cross-sectional Italian Behavioural Risk Factor Surveillance System (PASSI) between 2013 and 2015...
July 19, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28994676/does-bilevel-positive-airway-pressure-improve-outcome-of-acute-respiratory-failure-after-open-heart-surgery
#4
Ahmed Said Elgebaly
BACKGROUND: Respiratory failure is of concern in the postoperative period after cardiac surgeries. Invasive ventilation (intermittent positive pressure ventilation [IPPV]) carries the risks and complications of intubation and mechanical ventilation (MV). AIMS: Noninvasive positive pressure ventilation (NIPPV) is an alternative method and as effective as IPPV in treating insufficiency of respiration with less complications and minimal effects on respiratory and hemodynamic parameters next to open-heart surgery...
October 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28987524/impact-of-a-multicomponent-hand-hygiene-related-intervention-on-the-infectious-risk-in-nursing-homes-a-cluster-randomized-trial
#5
Laura Temime, Nadia Cohen, Karim Ait-Bouziad, Philippe Denormandie, William Dab, Mounia N Hocine
BACKGROUND: The aim of this study was to assess the impact of a multifaceted hand hygiene (HH) program on the infectious risk in nursing homes (NHs). METHODS: This was a 2-arm cluster randomized trial; French NHs were allocated randomly to the intervention (13 NHs) or control (13 NHs) groups. The intervention consisted of implementing a bundle of HH-related measures over 1 year, including increased availability of alcohol-based handrub, HH promotion, staff education, and local work groups...
October 5, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28984162/acid-base-regulation-and-sensing-accelerators-and-brakes-in-metabolic-regulation-of-cerebrovascular-tone
#6
Ebbe Boedtkjer
Metabolic regulation of cerebrovascular tone directs blood flow to areas of increased neuronal activity and during disease states partially compensates for insufficient perfusion by enhancing blood flow in collateral blood vessels. Acid-base disturbances frequently occur as result of enhanced metabolism or insufficient blood supply, but despite definitive evidence that acid-base disturbances alter arterial tone, effects of individual acid-base equivalents and the underlying signaling mechanisms are still being debated...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28983937/factors-associated-with-change-in-health-related-quality-of-life-among-individuals-treated-with-long-term-mechanical-ventilation-a-six-year-follow-up-study
#7
Heidi Markussen, Sverre Lehmann, Roy M Nilsen, Gerd K Natvig
AIMS: To examine changes and explanatory variables for changes in health-related quality of life in patients treated with long-term mechanical ventilation over a six-year period. BACKGROUND: Long-term mechanical ventilation is a treatment for individuals with chronic hypercapnic respiratory failure, primarily caused by neuromuscular diseases, obesity hypoventilation syndrome, chronic obstructive pulmonary and restrictive thoracic diseases. Studies on long-term outcome on health-related quality of life and factors influencing it are lacking...
October 6, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28980493/the-use-of-a-hand-held-ventilator-to-supplement-niv-for-patients-with-als-mnd-with-respiratory-insufficiency
#8
David Oliver, Sandip Banerjee, Lisa Vincent-Smith, Jane Kindred, Katharine Martin
No abstract text is available yet for this article.
October 5, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28979111/factors-facilitating-and-hindering-the-intention-to-promote-pulmonary-rehabilitation-for-patients-with-copd-among-respiratory-therapists
#9
Yun-Ju Chen, Jun-Yu Fan, Su-Er Guo, Su-Lun Hwang, Tsung-Ming Yang
PURPOSE: Pulmonary rehabilitation (PR) is recognized as the chief non-pharmacologic management approach for patients with COPD, but is clinically under-utilized. In Taiwan, respiratory therapists (RTs) are one of the first-line health care providers who spend vast amounts of time with COPD patients in PR programs. To better enhance patients' knowledge of and participation in PR, it is necessary to understand how PR is viewed by RTs, as well as how these views influence their behavioral intentions toward promoting PR...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28969510/acute-mitochondrial-myopathy-with-respiratory-insufficiency-and-motor-axonal-polyneuropathy
#10
Ying Zhou, Jian-Hua Yi, Li Liu, Xiaoping Wang, Liang Dong, Ai-Lian Du
Background Mitochondrial myopathies (MMs) are mainly presented with chronic muscle weakness and accompanied with other syndromes. MM with acute respiratory insufficiency is rare. Aims To reveal the clinical, pathological, and molecular characteristics of a life-threatening mitochondrial myopathy (MM). Methods Muscle biopsy and enzyme staining were performed in skeletal muscles. Mitochondrial DNA sequencing was analyzed and heteroplasmy were quantified by pyrosequencing. Results All three patients had tachycardia, acute lactic acidosis, dyspnea, and sudden severe muscle weakness...
October 2, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28967121/plasma-level-of-club-cell-cc-16-predicts-outcome-in-amyotrophic-lateral-sclerosis
#11
A C Pronto-Laborinho, M Gromicho, M Pereira, S Pinto, M do A Barros, M Swash, M de Carvalho
OBJECTIVES: The club cell protein (CC-16) is a biomarker associated with respiratory distress and pulmonary inflammation. We evaluated CC-16 as a candidate biomarker for respiratory failure in amyotrophic lateral sclerosis (ALS). MATERIALS AND METHODS: We studied 81 ALS patients and 30 matched controls. We used an ALS-related measure of functional capacity, and tested forced vital capacity (FVC) and the amplitude of the diaphragmatic response by phrenic nerve stimulation (PhrenAmpl)...
October 1, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28966622/protection-against-pertussis-in-humans-correlates-to-elevated-serum-antibodies-and-memory-b-cells
#12
Valentina Marcellini, Eva Piano Mortari, Giorgio Fedele, Francesco Gesualdo, Elisabetta Pandolfi, Fabio Midulla, Pasqualina Leone, Paola Stefanelli, Alberto Eugenio Tozzi, Rita Carsetti
Pertussis is a respiratory infection caused by Bordetella pertussis that may be particularly severe and even lethal in the first months of life when infants are still too young to be vaccinated. Adults and adolescents experience mild symptoms and are the source of infection for neonates. Adoptive maternal immunity does not prevent pertussis in the neonate. We compared the specific immune response of mothers of neonates diagnosed with pertussis and mothers of control children. We show that women have pre-existing pertussis-specific antibodies and memory B cells and react against the infection with a recall response increasing the levels specific serum IgG, milk IgA, and the frequency of memory B cells of all isotypes...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28951965/niemann-pick-disease-type-c-in-the-newborn-period-a-single-center-experience
#13
Ersin Gumus, Goknur Haliloglu, Asuman Nur Karhan, Hulya Demir, Figen Gurakan, Meral Topcu, Aysel Yuce
Niemann-Pick disease type C (NPC) is a neurovisceral lysosomal storage disorder with a great variation in clinical spectrum and age at presentation. Clinical features of 10 NPC patients who presented in the newborn period between 1993 and 2015 at our center were retrospectively analyzed. Males and females were equally distributed; there was a history of parental consanguinity (n = 8) and first-degree relative with NPC (n = 3). Patients were symptomatic between 1 and 10 days (mean 3.6 ± 2.6 days). Age at diagnosis was between 1 and 30 days (mean 14...
September 27, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28945804/cryptogenic-organizing-pneumonia-results-of-treatment-with-clarithromycin-versus-corticosteroids-observational-study
#14
Elżbieta Radzikowska, Elżbieta Wiatr, Renata Langfort, Iwona Bestry, Agnieszka Skoczylas, Ewa Szczepulska-Wójcik, Dariusz Gawryluk, Piotr Rudziński, Joanna Chorostowska-Wynimko, Kazimierz Roszkowski-Śliż
BACKGROUND: Cryptogenic organizing pneumonia (COP) is a clinicopathological syndrome of unknown origin. Corticosteroids are the standard treatment, but clarithromycin (CAM) is also effective. The aim of this observational retrospective study was to compare the results of CAM versus prednisone (PRE) treatment in patients with biopsy-proven OP without respiratory insufficiency. MATERIAL AND METHODS: In a 15-year period, 40 patients were treated with CAM (500 mg twice daily orally for 3 months) and 22 with PRE (mean initial dose of 0...
2017: PloS One
https://www.readbyqxmd.com/read/28943457/clinical-staging-of-fibrodysplasia-ossificans-progressiva-fop
#15
Robert J Pignolo, Frederick S Kaplan
Fibrodyplasia ossificans progressiva (FOP) is an ultra-rare genetic condition of heterotopic ossification (HO) that results in progressive loss of joint function, ultimately rendering movement impossible. Death is most commonly the result of thoracic insufficiency syndrome, or complications related to recurrent respiratory infections. There are no current treatments for FOP, but early and emerging clinical trials offer hope for this devastating disease. With the recent reporting of a comprehensive global natural history study, scales to assess joint dysfunction, and a more accurate prediction of joint survival, it is now possible to construct a conceptual framework for the clinical staging of FOP...
September 21, 2017: Bone
https://www.readbyqxmd.com/read/28940011/guidelines-for-the-diagnosis-and-management-of-critical-illness-related-corticosteroid-insufficiency-circi-in-critically-ill-patients-part-i-society-of-critical-care-medicine-sccm-and-european-society-of-intensive-care-medicine-esicm-2017
#16
Djillali Annane, Stephen M Pastores, Bram Rochwerg, Wiebke Arlt, Robert A Balk, Albertus Beishuizen, Josef Briegel, Joseph Carcillo, Mirjam Christ-Crain, Mark S Cooper, Paul E Marik, Gianfranco Umberto Meduri, Keith M Olsen, Sophia Rodgers, James A Russell, Greet Van den Berghe
OBJECTIVE: To update the 2008 consensus statements for the diagnosis and management of critical illness-related corticosteroid insufficiency (CIRCI) in adult and pediatric patients. PARTICIPANTS: A multispecialty task force of 16 international experts in Critical Care Medicine, endocrinology, and guideline methods, all of them members of the Society of Critical Care Medicine and/or the European Society of Intensive Care Medicine. DESIGN/METHODS: The recommendations were based on the summarized evidence from the 2008 document in addition to more recent findings from an updated systematic review of relevant studies from 2008 to 2017 and were formulated using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology...
September 21, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28938253/guidelines-for-the-diagnosis-and-management-of-critical-illness-related-corticosteroid-insufficiency-circi-in-critically-ill-patients-part-i-society-of-critical-care-medicine-sccm-and-european-society-of-intensive-care-medicine-esicm-2017
#17
Djillali Annane, Stephen M Pastores, Bram Rochwerg, Wiebke Arlt, Robert A Balk, Albertus Beishuizen, Josef Briegel, Joseph Carcillo, Mirjam Christ-Crain, Mark S Cooper, Paul E Marik, Gianfranco Umberto Meduri, Keith M Olsen, Sophia C Rodgers, James A Russell, Greet Van den Berghe
OBJECTIVE: To update the 2008 consensus statements for the diagnosis and management of critical illness-related corticosteroid insufficiency (CIRCI) in adult and pediatric patients. PARTICIPANTS: A multispecialty task force of 16 international experts in critical care medicine, endocrinology, and guideline methods, all of them members of the Society of Critical Care Medicine and/or the European Society of Intensive Care Medicine. DESIGN/METHODS: The recommendations were based on the summarized evidence from the 2008 document in addition to more recent findings from an updated systematic review of relevant studies from 2008 to 2017 and were formulated using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology...
September 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28937240/baroreflex-sensitivity-in-premature-infants-relation-to-the-parameters-characterizing-intrauterine-and-postnatal-condition
#18
K Haskova, M Javorka, B Czippelova, M Zibolen, K Javorka
At present, there are insufficient information about baroreflex sensitivity (BRS) and factors that determine BRS in premature newborns. The objective of this study was to determine the relationship between BRS and the characteristics that reflecting the intrauterine development (gestational age and birth weight), as well as postnatal development (postconception age and the actual weight of the child at the time of measurement). We examined 57 premature infants, who were divided into groups according to gestational age and postconception age as well as birth weight, and weight at the time of measurement...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28937234/experimental-models-of-acute-lung-injury-in-the-newborns
#19
D Mokra, A Calkovska
Acute lung injury in the preterm newborns can originate from prematurity of the lung and insufficient synthesis of pulmonary surfactant. This situation is known as respiratory distress syndrome (RDS). In the term neonates, the respiratory insufficiency is related to a secondary inactivation of the pulmonary surfactant, for instance, by action of endotoxins in bacterial pneumonia or by effects of aspirated meconium. The use of experimental models of the mentioned situations provides new information on the pathophysiology of these disorders and offers unique possibility to test novel therapeutic approaches in the conditions which are very similar to the clinical syndromes...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28932982/cerebral-fat-embolism-recognition-complications-and-prognosis
#20
Daniel Agustín Godoy, Mario Di Napoli, Alejandro A Rabinstein
Fat embolism syndrome (FES) is a rare syndrome caused by embolization of fat particles into multiple organs including the brain. It typically manifests with petechial rash, deteriorating mental status, and progressive respiratory insufficiency, usually occurring within 24-48 h of trauma with long-bone fractures or an orthopedic surgery. The diagnosis of FES is based on clinical and imaging findings, but requires exclusion of alternative diagnoses. Although there is no specific treatment for FES, prompt recognition is important because it can avoid unnecessary interventions and clarify prognosis...
September 20, 2017: Neurocritical Care
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