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https://www.readbyqxmd.com/read/29346831/postoperative-reduction-of-intraventricular-hemorrhage-volume-single-versus-dual-catheter-drainage
#1
Syed Shahzad Hussain, Asif Raza, Saman Shahid, Hafiz Hamza Asif, Usman Ahmad, Naveed Ashraf
BACKGROUND/AIMS:  The use of single/dual external ventricular drains (EVD) for reducing intraventricular hemorrhage (IVH) is under investigation. A randomized controlled trial was conducted to compare postoperative reduction of IVH volume using single- and dual-catheter drainage in spontaneous IVH patients. We investigated factors that may influence an effective hematoma volume reduction by EVDs. MATERIALS AND METHODS:  The average cerebrospinal fluid (CSF) drainage volumes were analyzed...
January 18, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29346421/the-absence-of-specific-yeast-heat-shock-proteins-leads-to-abnormal-aggregation-and-compromised-autophagic-clearance-of-mutant-huntingtin-proteins
#2
Ryan Higgins, Marie-Helene Kabbaj, Alexa Hatcher, Yanchang Wang
The functionality of a protein depends on its correct folding, but newly synthesized proteins are susceptible to aberrant folding and aggregation. Heat shock proteins (HSPs) function as molecular chaperones that aid in protein folding and the degradation of misfolded proteins. Trinucleotide (CAG) repeat expansion in the Huntingtin gene (HTT) results in the expression of misfolded Huntingtin protein (Htt), which contributes to the development of Huntington's disease. We previously found that the degradation of mutated Htt with polyQ expansion (Htt103QP) depends on both ubiquitin proteasome system and autophagy...
2018: PloS One
https://www.readbyqxmd.com/read/29346118/mycobacterium-avium-complex-pulmonary-disease-new-epidemiology-and-management-concepts
#3
Leah Lande, Jason George, Theodore Plush
PURPOSE OF REVIEW: The prevalence of Mycobacterium avium complex (MAC)-related pulmonary disease has been increasing because of environmental factors, changes in organism virulence, and evolving host susceptibility. Treatment is often complicated by adverse effects, development of drug resistance, and refractory disease, with recurrence rates as high as 25-45%. RECENT FINDINGS: Aerosolization of water, soil, or dusts are the likely sources of MAC-related pulmonary disease in susceptible individuals...
January 15, 2018: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/29345844/assessing-hepatitis-c-spontaneous-clearance-and-understanding-associated-factors-a-systematic-review-and-meta-analysis
#4
Dewi Nur Aisyah, Laura Shallcross, Alice Jane Hully, Alastair O'Brien, Andrew Hayward
New advances in the treatment of hepatitis C provide high levels of sustained viral response but their expense limits availability in publicly funded health systems. The aim of this review is to estimate the proportion of patients who will spontaneously clear HCV and to identify factors that are associated with clearance, to support better targeting of directly acting antivirals. We searched Ovid Embase, Ovid Medline and Pubmed from 1st January 1994 to 30th June 2015 for studies reporting hepatitis C spontaneous clearance and/or demographic, clinical, and behavioural factors associated with clearance...
January 18, 2018: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/29345431/the-effect-of-diuresis-on-extravascular-lung-water-and-pulmonary-function-in-acute-decompensated-heart-failure
#5
Steven C Chase, Caitlin C Fermoyle, Courtney M Wheatley, Jacob J Schaefer, Lyle J Olson, Bruce D Johnson
AIMS: The effect of extravascular lung water (EVLW) and relationship to functional status as a result of acute decompensated heart failure (ADHF) are not well understood. We sought to quantify changes in clinical variables, EVLW, airway anatomy, spirometry, and diffusing capacity for carbon monoxide before and after treatment for ADHF. METHODS AND RESULTS: Fifteen patients were recruited within 24 h of hospital admission. Spirometry, diffusing capacity for carbon monoxide, and surrogates of EVLW by computed tomography were measured and were then repeated within 24 h of discharge...
January 18, 2018: ESC Heart Failure
https://www.readbyqxmd.com/read/29345371/therapeutic-manipulation-of-host-cell-death-pathways-to-facilitate-clearance-of-persistent-viral-infections
#6
REVIEW
James Cooney, Cody Allison, Simon Preston, Marc Pellegrini
Most persistent viral infections can be controlled, but not cured, by current therapies. Abrogated antiviral immunity and stable latently infected cells represent major barriers to cure. This necessitates life-long suppressive antiviral therapy. Achieving a cure for HIV, hepatitis B virus, Epstein Barr-virus, and others, requires novel approaches to facilitate the clearance of infected cells from the host. One such approach is to target host cell death pathways, rather than the virus itself. Here, we summarize recent findings from studies that have utilized therapeutics to manipulate host cell death pathways as a means to treat and cure persistent viral infections...
January 9, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29345354/lack-of-functional-selectin-ligand-interactions-enhances-innate-immune-resistance-to-systemic-listeria-monocytogenes-infection
#7
Gerard Agbayani, Komal Gurnani, Ahmed Zafer, Subash Sad, Lakshmi Krishnan
Selectin-ligand interactions are important for leukocyte homing and functionality. The roles of selectin-ligand interactions in modulating immunity to intracellular infections are not completely understood. Mice lacking the expression of fucosyltransferase-IV and -VII (Fucosyltransferase-IV and -VII double knockout, FtDKO) exhibit deficient functionality of selectin-ligand interactions. We addressed the kinetics of infection and immunity to Listeria monocytogenes (LM), an intracellular pathogen, in FtDKO mice...
December 27, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29345221/therapeutic-response-to-dihydroartemisinin-piperaquine-for-p-falciparum-and-p-vivax-nine-years-after-its-introduction-in-southern-papua-indonesia
#8
Jeanne Rini Poespoprodjo, Enny Kenangalem, Johny Wafom, Freis Chandrawati, Agatha M Puspitasari, Benedikt Ley, Leily Trianti, Zoé Korten, Asik Surya, Din Syafruddin, Nicholas M Anstey, Jutta Marfurt, Rintis Noviyanti, Ric N Price
Dihydroartemisinin-piperaquine (DHP) has been the first-line treatment of uncomplicated malaria due to both Plasmodium falciparum and Plasmodium vivax infections in Papua, Indonesia, since March 2006. The efficacy of DHP was reassessed to determine whether there had been any decline following almost a decade of its extensive use. An open-label drug efficacy study of DHP for uncomplicated P. falciparum and P. vivax malaria was carried out between March 2015 and April 2016 in Timika, Papua, Indonesia. Patients with uncomplicated malaria were administered supervised DHP tablets once daily for 3 days...
January 15, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29345058/frontline-science-anti-pd-l1-protects-against-infection-with-common-bacterial-pathogens-after-burn-injury
#9
Naeem K Patil, Liming Luan, Julia K Bohannon, Antonio Hernandez, Yin Guo, Edward R Sherwood
Burn patients are susceptible to infections due, in part, to immune dysfunction. Upregulation of programmed death-1 (PD-1) receptor on T cells and programmed cell death ligand-1 (PD-L1) on myeloid cells contribute to immune dysfunction in nonburn-related sepsis. We hypothesized that PD-1/PDL1 interactions contribute to immune dysfunction after burn injury. To determine the impact of burn injury and infection on PD-L1, PD-1 and costimulatory receptor expression by leukocytes and its relationship to T cell functions...
January 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29344645/targeted-disruption-of-adenosine-kinase-in-myeloid-monocyte-cells-increases-osteoclastogenesis-and-bone-resorption-in-mice
#10
Qiuying Ye, Ge Li, Shuhua Liu, Yalun Guan, Yunfeng Li, Jinling Li, Huanhuan Jia, Xuejiao Li, Qingnan Li, Ren Huang, Hui Wang, Yu Zhang
Adenosine kinase (ADK) serves an important role in intracellular adenosine clearance via phosphorylating adenosine to AMP. The role of adenosine and its receptors in the maintenance of bone homeostasis is well studied, particularly in osteoclastogenesis and bone resorption; however, the function of ADK in bone metabolism is still unclear. In the present study, utilizing the cre/floxp recombination system, mice with conditional loss of ADK function in myeloid monocyte cells were used to assess the effect of ADK deficiency on bone metabolism...
January 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29344581/glycophorin-c-sialylation-regulates-lu-bcam-adhesive-capacity-during-erythrocyte-aging
#11
T R L Klei, D Z de Back, P J Asif, P J J H Verkuijlen, M Veldthuis, P C Ligthart, J Berghuis, E Clifford, B M Beuger, T K van den Berg, R van Zwieten, W El Nemer, R van Bruggen
Lutheran/basal cell adhesion molecule (Lu/BCAM) is a transmembrane adhesion molecule expressed by erythrocytes and endothelial cells that can interact with the extracellular matrix protein laminin-α5. In sickle cell disease, Lu/BCAM is thought to contribute to adhesion of sickle erythrocytes to the vascular wall, especially during vaso-occlusive crises. On healthy erythrocytes however, its function is unclear. Here we report that Lu/BCAM is activated during erythrocyte aging. We show that Lu/BCAM-mediated binding to laminin-α5 is restricted by interacting, in cis, with glycophorin-C-derived sialic acid residues...
January 9, 2018: Blood Advances
https://www.readbyqxmd.com/read/29344565/a-novel-method-of-endoscopic-assisted-esophageal-clearance-in-advanced-achalasia
#12
Shinwa Tanaka, Fumiaki Kawara, Takashi Toyonaga, Robert Bechara, Namiko Hoshi, Hirofumi Abe, Yoshiko Ohara, Tsukasa Ishida, Yoshinori Morita, Eiji Umegaki
Background and study aims : In order to perform peroral endoscopic myotomy (POEM) safely, retained liquid and food debris must be removed before the procedure is started. We developed a novel technique using a super-slim gastroscope, and a gastric tube to remove retained food debris in achalasia patients. In this study, the safety and efficacy of this novel technique were investigated. Patients and methods : Eleven patients with achalasia were enrolled in this study and underwent this novel method for esophageal clearance...
January 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29344519/icg-clearance-test-and-99mtc-gsa-spect-ct-fusion-images
#13
REVIEW
Yuji Iimuro
Preoperative estimation of future remnant liver function is critical for major hepatic surgery to avoid postoperative morbidity and mortality. Among several liver function tests, the indocyanine green (ICG) clearance test is still the most popular dynamic method. The usefulness of ICG clearance test parameters, such as ICGR15, KICG, or PDRICG, has been reported by many investigators. The transcutaneous non-invasive pulse dye densitometry system has made the ICG clearance test more convenient and attractive, even in Western countries...
December 2017: Visceral Medicine
https://www.readbyqxmd.com/read/29344518/current-modalities-for-the-assessment-of-future-remnant-liver-function
#14
REVIEW
Fadi Rassam, Pim B Olthof, Roelof J Bennink, Thomas M van Gulik
While imaging studies such as computed tomography or magnetic resonance imaging allow the volumetric assessment of the liver segments, only indirect information is provided concerning the quality of the liver parenchyma and its actual functional capacity. Assessment of liver function is therefore crucial in the preoperative workup of patients who require extensive liver resection and in whom portal vein embolization is considered. This review deals with the modalities currently available for the measurement of liver function...
December 2017: Visceral Medicine
https://www.readbyqxmd.com/read/29344318/noninvasive-long-term-monitoring-of-actinic-keratosis-and-field-cancerization-following-treatment-with-ingenol-mebutate-gel-0-015
#15
Orit Markowitz, Katie Wang, Amanda Levine, Michelle Schwartz, Sumeet Minhas, Eleanor Feldman, Daniel M Siegel
OBJECTIVE: To determine whether actinic keratosis and photodamaged perilesional areas (field cancerization) treated successfully with topical ingenol mebutate gel 0.015% remained clear one year later, and to treat actinic keratosis and perilesional skin not treated one year earlier. DESIGN: Single-center, single-arm, open-label extension of an original clinical study completed one year earlier. SETTING: An outpatient clinic. PARTICIPANTS: Fifteen of the original 28 study patients enrolled in and who completed the extension phase...
October 2017: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/29344300/general-anesthesia-inhibits-the-activity-of-the-glymphatic-system
#16
Clement Gakuba, Thomas Gaberel, Suzanne Goursaud, Jennifer Bourges, Camille Di Palma, Aurélien Quenault, Sara Martinez de Lizarrondo, Denis Vivien, Maxime Gauberti
INTRODUCTION: According to the "glymphatic system" hypothesis, brain waste clearance is mediated by a continuous replacement of the interstitial milieu by a bulk flow of cerebrospinal fluid (CSF). Previous reports suggested that this cerebral CSF circulation is only active during general anesthesia or sleep, an effect mediated by the dilatation of the extracellular space. Given the controversies regarding the plausibility of this phenomenon and the limitations of currently available methods to image the glymphatic system, we developed original whole-brain in vivo imaging methods to investigate the effects of general anesthesia on the brain CSF circulation...
2018: Theranostics
https://www.readbyqxmd.com/read/29344085/synthesis-secretion-function-metabolism-and-application-of-natriuretic-peptides-in-heart-failure
#17
REVIEW
Shihui Fu, Ping Ping, Fengqi Wang, Leiming Luo
As a family of hormones with pleiotropic effects, natriuretic peptide (NP) system includes atrial NP (ANP), B-type NP (BNP), C-type NP (CNP), dendroaspis NP and urodilatin, with NP receptor-A (guanylate cyclase-A), NP receptor-B (guanylate cyclase-B) and NP receptor-C (clearance receptor). These peptides are genetically distinct, but structurally and functionally related for regulating circulatory homeostasis in vertebrates. In humans, ANP and BNP are encoded by NP precursor A (NPPA) and NPPB genes on chromosome 1, whereas CNP is encoded by NPPC on chromosome 2...
2018: Journal of Biological Engineering
https://www.readbyqxmd.com/read/29343970/a-retrospective-examination-of-the-us-food-and-drug-administration-s-clinical-pharmacology-reviews-of-oncology-biologics-for-potential-use-of-therapeutic-drug-monitoring
#18
Brett Fleisher, Sihem Ait-Oudhia
Background: Biologics have gained traction for use in oncology, but have demonstrate clinical variability for efficacy and safety. Therapeutic drug monitoring (TDM) can benefit patients' outcomes from a biologic therapy when the latter has a defined therapeutic window. A clinically relevant therapeutic window may exist for biologics with established exposure-response (E-R) relationships for efficacy and/or safety and a documented maximum tolerated dose (MTD). Additionally, the inter-individual variability (IIV) on the clearance (CL) parameter could determine risks for patients falling outside the proposed therapeutic window...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29343934/a-comparative-study-on-the-effects-of-vintage-nonpharmacological-techniques-in-reducing-myopia-bates-eye-exercise-therapy-vs-trataka-yoga-kriya
#19
Komal Krishna Tiwari, Rahul Shaik, B Aparna, Rajesh Brundavanam
Background: Human eye captures light rays as they come and fall on the retina and convert them into an image. However, in myopia, light rays fall in front of retina, causing blurring of image. Correction of this is generally done using correcting devices such as corrective glasses and contact lenses. Existence of some alternative therapies is also noticed in literature. Aim: To compare the effects of Bates eye exercises and Trataka Yoga Kriya on myopia. Materials and Methodology: Ethical clearance was obtained from the institution, and informed consent was taken from participants...
January 2018: International Journal of Yoga
https://www.readbyqxmd.com/read/29343912/lateral-percutaneous-nephrolithotomy-a-safe-and-effective-surgical-approach
#20
Jonathan Jian Wei Gan, Jaslyn Ju Lia Gan, Jasmine Ju Hsien Gan, Kim Tiong Lee
Introduction: Percutaneous nephrolithotomy (PCNL) is traditionally performed with the patient in the prone position for large renal calculi. However, anesthetic limitations exist with the prone position. Similarly, the supine position is associated with poorer ergonomics due to the awkward downward position of the renal tract, a smaller window for percutaneous puncture, and a higher risk of anterior calyx puncture. This study aimed to demonstrate the feasibility and safety of lateral-PCNL in managing large renal calculi without the disadvantages of prone and supine positions...
January 2018: Indian Journal of Urology: IJU: Journal of the Urological Society of India
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