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https://www.readbyqxmd.com/read/28641678/cognitive-deterioration-in-moderate-and-severe-hypobaric-hypoxia-conditions
#1
Jeremy M A Beer, Barry S Shender, Daren Chauvin, Todd S Dart, Joseph Fischer
BACKGROUND: Hypoxia continues to present risks in military aviation. Hypoxia symptoms include sensory and cognitive effects; of these, it is important to identify which components of operator performance are most vulnerable to hypoxia-induced decline in order to determine which sensory modality is most effective for alerting an impaired aviator of an imminent hypoxic episode. METHODS: A study was performed in a hypobaric chamber to characterize deterioration of cognitive performance under moderate (MH) and severe (SH) hypoxia conditions, culminating in subjects' inability to perform tasks...
July 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28640364/a-phase-2-study-of-the-efficacy-and-biomarker-on-the-combination-of-transarterial-chemoembolization-and-axitinib-in-the-treatment-of-inoperable-hepatocellular-carcinoma
#2
Stephen L Chan, Winnie Yeo, Frankie Mo, Anthony W H Chan, Jane Koh, Leung Li, Edwin P Hui, Charing C N Chong, Paul B S Lai, Tony S K Mok, Simon C H Yu
BACKGROUND: A surge of vascular endothelial growth factor (VEGF) after transarterial chemoembolization (TACE) may contribute to tumor progression. Axitinib is a potent antiangiogenic agent with main activity against VEGF receptors 1 to 3. To the authors' knowledge, its role in combination with TACE for the treatment of patients with inoperable hepatocellular carcinoma (HCC) is unclear. METHODS: A phase 2 clinical trial (ClinicalTrials.gov identifier NCT01352728) was conducted to evaluate the combination treatment...
June 22, 2017: Cancer
https://www.readbyqxmd.com/read/28639882/management-of-oral-anticoagulation-therapy-after-gastrointestinal-bleeding-whether-to-when-to-and-how-to-restart-an-anticoagulation-therapy
#3
Kazuhiko Kido, Michael J Scalese
OBJECTIVE: To evaluate current clinical evidence for management of oral anticoagulation therapy after gastrointestinal bleeding (GIB) with an emphasis on whether to, when to, and how to resume an anticoagulation therapy. DATA SOURCES: Relevant articles from MEDLINE, Cochrane Library, and EMBASE databases were identified from 1946 through May 20, 2017, using the keywords: gastrointestinal hemorrhage or gastrointestinal bleeding and antithrombotic therapy or anticoagulation therapy or warfarin or dabigatran or rivaroxaban or apixaban or edoxaban...
June 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28639770/-long-term-physical-activity-after-a-myocardial-infarction-a-permanent-challenge
#4
Elena Tessitore, Philippe Sigaud, Philippe Meyer, François Mach
Cardiac rehabilitation is a well-defined multidisciplinary program with the objective to reduce mortality and morbidity, while also improving the exercise capacity and quality of life of the patient following a myocardial infarction. Despite the fact that a cardiovascular rehabilitation program is now recommended by international guidelines for all patients who have suffered from an acute coronary syndrome, only half of all patients actually participate to such a program in Switzerland. Even worse, especially when taking into consideration the population in Geneva, less than 5 % of patients follow a long-term cardiac maintenance program (phase III)...
May 24, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28637857/acute-peaks-of-testosterone-suppress-paternal-care-evidence-from-individual-hormonal-reaction-norms
#5
Wolfgang Goymann, Pamela Flores Dávila
A long-standing tenet of evolutionary endocrinology states that testosterone mediates the life-history trade-off between mating and paternal care. However, the support for a role of testosterone in suppressing paternal care is mixed: implantation studies in birds suggest that high-level testosterone implants suppress paternal care, but circulating levels of testosterone and paternal care are typically not correlated. Because any trade-off in real life must be realized with hormone levels that are within an individual's reaction norm, it is crucial to show that natural changes in the hormone can modulate behaviour...
June 28, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28637130/community-integration-and-life-satisfaction-among-individuals-with-spinal-cord-injury-living-in-the-community-after-receiving-institutional-care-in-bangladesh
#6
Nayeema Ahmed, Mohammad Morshedul Quadir, Mohammad Akhlasur Rahman, Hasanat Alamgir
PURPOSE: This study reports level of community integration and life satisfaction among individuals who sustained traumatic spinal cord injuries, received institutional rehabilitation care services, and went back to live in the community in Bangladesh. It examines the impact of type of injury, demographic characteristics, socio-economic profile, and secondary health conditions on community integration and life satisfaction and explores the association between these two measures. METHOD: Individuals with spinal cord injury were telephone interviewed by the Centre for the Rehabilitation of the Paralysed, Bangladesh from February to June of 2014...
February 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28634815/autoimmune-diabetes-induced-by-pd-1-inhibitor-retrospective-analysis-and-pathogenesis-a-case-report-and-literature-review
#7
Marie-Léa Gauci, Pauline Laly, Tiphaine Vidal-Trecan, Barouyr Baroudjian, Jérémy Gottlieb, Nika Madjlessi-Ezra, Laetitia Da Meda, Isabelle Madelaine-Chambrin, Martine Bagot, Nicole Basset-Seguin, Cécile Pages, Samia Mourah, Philippe Boudou, Céleste Lebbé, Jean-François Gautier
Anti-PD-1 antibody treatment is approved in advanced melanoma and provides median overall survival over 24 months. The main treatment-related side effects are immune-related adverse events, which include rash, pruritus, vitiligo, thyroiditis, diarrhoea, hepatitis and pneumonitis. We report a case of autoimmune diabetes related to nivolumab treatment. A 73-year-old man was treated in second line with nivolumab at 3 mg/kg every two weeks for metastatic melanoma. At 6 weeks of treatment, he displayed diabetic ketoacidosis...
June 20, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28633790/ochrobactrum-anthropi-caused-osteomyelitis-in-the-foot-mimicking-a%C3%A2-bone-tumor-case-report-and-review-of-the-literature
#8
Roy Gigi, Gideon Flusser, Assaf Kadar, Moshe Salai, Shlomo Elias
Osteomyelitis due to Ochrobactrum anthropi, a new genus Ochrobacterum widely distributed in the environment and occasionally associated with human infection, has been described in only a few case reports. We present a report of an unusual case of osteomyelitis caused by O. anthropi that was identified 9 years after a nail puncture to the lateral cuneiform bone. The patient was an 18-year-old male with a painful foot lesion that had originally been misdiagnosed as an osteolytic tumor. He underwent surgery and 2 firm pieces of rubber measuring 7 and 10 mm were removed from the lower portion of the lateral cuneiform bone, which appeared to be affected by an infection...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633356/ridesharing-and-motor-vehicle-crashes-in-four-u-s-cities-an-interrupted-time-series-analysis
#9
Christopher N Morrison, Sara F Jacoby, Beidi Dong, M Kit Delgado, Douglas J Wiebe
Uber, the world's largest ridesharing company, has reportedly provided over two billion journeys globally since operations began in 2010; however, the impact on motor vehicle crashes is unclear. Theoretically, ridesharing could reduce alcohol-involved crashes in locations where other modes of transportation are less attractive than driving one's own vehicle while alcohol-affected. We conducted interrupted time series analyses using weekly counts of injury crashes and the proportion that were alcohol-involved in four US cities (Las Vegas, NV; Portland, OR; Reno, NV; San Antonio, TX)...
June 14, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28632741/aging-mortality-and-the-fast-growth-trade-off-of-schizosaccharomyces-pombe
#10
Hidenori Nakaoka, Yuichi Wakamoto
Replicative aging has been demonstrated in asymmetrically dividing unicellular organisms, seemingly caused by unequal damage partitioning. Although asymmetric segregation and inheritance of potential aging factors also occur in symmetrically dividing species, it nevertheless remains controversial whether this results in aging. Based on large-scale single-cell lineage data obtained by time-lapse microscopy with a microfluidic device, in this report, we demonstrate the absence of replicative aging in old-pole cell lineages of Schizosaccharomyces pombe cultured under constant favorable conditions...
June 2017: PLoS Biology
https://www.readbyqxmd.com/read/28631764/-hemodynamic-effects-of-positive-end-expiratory-pressure
#11
Marco Marini, Giorgio Caretta, Fabio Vagnarelli, Fabiana Lucà, Emilia Biscottini, Alberto Lavorgna, Vincenza Procaccini, Letizia Riva, Gabriele Vianello, Nadia Aspromonte, Andrea Mortara, Renata De Maria, Piera Capasso, Serafina Valente, Michele Massimo Gulizia
The application of a positive end-expiratory pressure (PEEP), the cornerstone of noninvasive ventilation (NIV), causes hemodynamic changes in the cardiovascular system. To understand the benefits of NIV it is necessary to resume concepts of cardiovascular physiology and pathophysiology about cardiac function determinants, venous return, ventricular interdependence and heart-lung interaction, and to understand how PEEP interacts with them. The hemodynamic effects of PEEP are mediated by the increase in transpulmonary pressure, which results in increased pulmonary vascular resistance and in an attending small reduction of venous return in conditions of euvolemia, in a substantial reduction of left ventricular afterload and a potential positive effect on left ventricular stroke volume...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28630982/resuming-warfarin-after-intracranial-hemorrhage-in-patients-with-af-was-linked-to-reduced-mortality
#12
Paul Kruger, John Eikelboom
No abstract text is available yet for this article.
June 20, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28625446/a-novel-treatment-for-chronic-opioid-use-after-surgery
#13
Paul F White, Ofelia Loani Elvir-Lazo, Hector Hernandez
In a recent article from the Center for Disease Control, the authors addressed the current opioid epidemic in America and emphasized the importance of utilizing non-opioid analgesic alternatives to opioid medication for treating chronic pain. In cases where non-opioid analgesic drugs alone have failed to produce adequate pain relief, these authors suggested that non-pharmacologic therapies should also be considered. This Case Series describes a pilot study designed to evaluate a novel non-pharmacologic approach to treating long-standing (>1year) opioid dependency...
August 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28623435/the-brain-behaves-as-a-muscle
#14
Marinella Coco
It is known that lactate accumulates in the skeletal muscle during intense anaerobic exercise but is rapidly cleared from the muscles when they resume aerobic metabolism; however, at least some lactate reaches the blood stream. It has been observed that during maximal exercise, blood lactate increases with transport of the blood to the brain. This could be interpreted as a mechanism to protect against possible "central fatigue" in times of maximal activity during the course of which the lactate would preserve the functionality of the primary cortical motor and sensory areas, even at the expense of the efficiency of the other structures...
June 16, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28623019/exogenous-addition-of-h2-for-an-in-situ-biogas-upgrading-through-biological-reduction-of-carbon-dioxide-into-methane
#15
Daniel Girma Mulat, Freya Mosbæk, Alastair James Ward, Daniela Polag, Markus Greule, Frank Keppler, Jeppe Lund Nielsen, Anders Feilberg
Biological reduction of CO2 into CH4 by exogenous addition of H2 is a promising technology for upgrading biogas into higher CH4 content. The aim of this work was to study the feasibility of exogenous H2 addition for an in situ biogas upgrading through biological conversion of the biogas CO2 into CH4. Moreover, this study employed systematic study with isotope analysis for providing comprehensive evidence on the underlying pathways of CH4 production and upstream processes. Batch reactors were inoculated with digestate originating from a full-scale biogas plant and fed once with maize leaf substrate...
June 13, 2017: Waste Management
https://www.readbyqxmd.com/read/28619362/peroxiredoxin-1-from-cuttlefish-sepiella-maindroni-molecular-characterization-of-development-and-its-immune-response-against-vibrio-alginolyticus
#16
Weiwei Song, Changkao Mu, Ronghua Li, Chunlin Wang
The aim of this work was constructive to understand the function of peroxiredoxin (PRDX) family member Peroxiredoxin 1 in Sepiella maindroni (SmPrx1) through molecular mechanisms of reproduction, embryonic development and immune responses to Vibrio alginolyticus. The full-length cDNA of SmPrx1 was of 1062 bp, contains a 5' untranslated region (UTR) of 79bp, a 3' UTR of 359 bp, an open reading frame of 624 bp encoding 207 amino acids. The conserved peroxidase catalytic center "FYPLDFTFVCPTEI" and "GEVCPA" were observed in the sequence of SmPrx1; this indicated that it was a member of 2-Cys Prx...
June 12, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28617694/the-spectrum-of-general-surgery-interventions-in-pediatric-patients-with-ventricular-assist-devices
#17
Fady Kamel, Holger Buchholz, Bryan Dicken, Jennifer Conway
Ventricular assist devices (VADs) have positively impacted the management of heart failure. However, they come with a range of complications. Although general surgical complications have been assessed in adults with VADs, there is no study to date that has assessed general surgery intervention in the pediatric population. Fifty-two patients who received VADs from 2005 to 2015 at the Stollery Children's Hospital were assessed for general surgery intervention and anticoagulation status at the time of intervention...
June 13, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28617189/stability-of-continuous-and-fed-batch-sequential-anaerobic-anoxic-aerobic-moving-bed-bioreactor-systems-at-phenol-shock-load-application
#18
Biju Prava Sahariah, J Anandkumar, Saswati Chakraborty
In this study, stability of two sequential moving bed bioreactor systems for phenol shock load (PSL) applications was assessed in presence of thiocyanate and ammonia. The systems were operated in anaerobic-anoxic-aerobic continuous (CMBR: R1-R2-R3) and semi-continuous (FMBR: B1-B2-B3) mode. Both systems were exposed to 3000 mg phenol/L (PSL-I) and 3500 mg phenol/L (PSL-II) for 3 days each from initial 2500 mg phenol/L without any intermediate concentration at 6 days HRT. The effect of PSL-I on R1 was reversible within 10-12 days...
June 15, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28616936/encephaloduroateriosynangiosis-edas-in-the-management-of-moyamoya-syndrome-in-children-with-sickle-cell-disease
#19
Alexander Alamri, Pennylouise Hever, Jebet Cheserem, Catia Gradil, Sanj Bassi, Christos M Tolias
BACKGROUND: Encephalo-duro-arterio-synangiosis (EDAS) in Moyamoya syndrome (MMS) treatment has been well described in the literature, however in MMS caused by sickle cell anaemia (SCA), EDAS use remains controversial with poor long-term follow-up. We present a case-series of SCA patients who have undergone EDAS for SCA-related MMS and describe their post-operative course as well as provide a literature review of the role of EDAS in the treatment of sickle cell anaemia. METHODS: A retrospective review of all the paediatric EDAS procedures conducted in our institution for SCA from 2007 to 2015...
June 15, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28616223/clinical-outcomes-of-self-expandable-metal-stent-sems-placement-as-palliative-treatment-for-malignant-colorectal-obstruction-a-single-center-study-from-japan
#20
Toshikatsu Nitta, Jun Kataoka, Masato Ohta, Kensuke Fujii, Tomo Tominaga, Yoshihiro Inoue, Hiroshi Kawasaki, Takashi Ishibashi
OBJECTIVES: We aimed to assess the efficacy of self-expanding metal stent (SEMS) implantation as palliative treatment for malignant colorectal obstruction. METHODS: We retrospectively reviewed the records of patients with malignant colorectal obstruction who underwent SEMS insertion as palliative treatment in our hospital between March 2013 and December 2016. We analyzed demographic, clinical, and operative characteristics. RESULTS: A total of 13 patients (8 males, 5 females; median age, 80...
July 2017: Annals of Medicine and Surgery
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