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https://www.readbyqxmd.com/read/28088662/metabolic-profiles-of-exudates-from-chronic-leg-ulcerations
#1
Adam Junka, Wojciech Wojtowicz, Adam Ząbek, Grzegorz Krasowski, Danuta Smutnicka, Barbara Bakalorz, Agnieszka Boruta, Mariusz Dziadas, Piotr Młynarz, Parish Paymon Sedghizadeh, Marzenna Bartoszewicz
Chronic leg ulceration is a disease usually associated with other comorbidities, and significantly reduces patient quality of life. Infected leg ulcers can lead to limb-threatening sequelae or mortality. Leg ulcerations are colonized by a number of microbes that are able to cause life-threating infections in susceptible patients. Wound exudate is a body fluid that collects metabolites from patient eukaryotic cells and from prokaryotic bacterial communities inhabiting the wound. This study aimed at identification of metabolites in exudates collected from chronic leg ulcers, and correlation of this metabolome with patient comorbidities and microbiological status of the wound...
January 10, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28088608/gene-analysis-of-six-cases-of-congenital-protein-s-deficiency-and-functional-analysis-of-protein-s-mutations-a139v-c449f-r451q-c475f-a525v-and-d599tfster13
#2
Fumina Taniguchi, Eriko Morishita, Akiko Sekiya, Haruka Nomoto, Shiori Katsu, Shounosuke Kaneko, Hidesaku Asakura, Shigeki Ohtake
Congenital deficiency of protein S (PS), an anticoagulant factor, leads to venous thrombosis, with onset predominantly beginning in adolescence. In the present study, gene analysis of six unrelated Japanese families diagnosed with congenital PS deficiency identified five missense mutations in the PROS1 gene - c.757C>T (Ala139Val; A139V), c.1346 G>T (Cys449Phe; C449F), c.1352G>A (Arg451Gln; R451Q), c.1424G>T (Cys475Phe; C475F) and c.1574C>T (Ala525Val; A525V) - and one frameshift mutation, c.2135delA (Asp599ThrfsTer13; D599TfsTer13)...
December 24, 2016: Thrombosis Research
https://www.readbyqxmd.com/read/28088580/grand-round-anticoagulation-in-chronic-liver-disease
#3
REVIEW
Ameet Dhar, Benjamin H Mullish, Mark R Thursz
In this Grand Round, we first present a case of a man with decompensated liver disease who subsequently developed a fatal pulmonary embolism, having not been prescribed prophylactic anticoagulation to prevent venous thromboembolic disease. We go on to discuss the burden of thrombotic disease in those with chronic liver disease, before a more detailed discussion regarding the current evidence, safety data, and clinical dilemmas regarding the use of anticoagulation in patients with chronic liver disease, as well as discussing potential future directions within this field...
January 11, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28088520/palmitic-acid-increases-invasiveness-of-pancreatic-cancer-cells-aspc-1-through-tlr4-ros-nf-%C3%AE%C2%BAb-mmp-9-signaling-pathway
#4
Makena J Binker-Cosen, Daniel Richards, Brenda Oliver, Herbert Y Gaisano, Marcelo G Binker, Laura I Cosen-Binker
Pancreatic cancer (PC) is an aggressive malady with proclivity for early metastasis. Overexpression of toll-like receptor 4 (TLR4) in pancreatic ductal adenocarcinoma, the most common type of pancreatic malignancy, correlates to tumor size, lymph node involvement, venous invasion and pathological stage. Lipopolysaccharides (LPS) are natural TLR4 ligands that have been shown to increase the invasive ability of PC cells. However, rapid inactivation of circulating LPS and low systemic absorption of inhaled LPS from the bronchoalveolar compartment make other agonists such as saturated fatty acids more suitable to be considered for TLR4-related cell invasiveness...
January 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28088496/endogenous-thrombin-potential-changes-during-the-first-cycle-of-oral-contraceptive-use
#5
Carolyn L Westhoff, Malcolm C Pike, Serge Cremers, Andrew Eisenberger, Stella Thomassen, Jan Rosing
OBJECTIVES: Venous thromboembolism (VTE) risk increases within months of combination oral contraceptive (COC) initiation. Because elevated endogenous thrombin potential (ETP) has been found in several studies to be a VTE risk factor, we evaluated the extent of ETP changes during the initial cycle of an ethinyl estradiol (EE) and levonorgestrel (LNG) COC. We also assessed the relationship between ETP changes and systemic EE and LNG concentrations. STUDY DESIGN: Participants provided multiple blood samples during a first 21-day cycle of a 30 μg EE/150 μg LNG COC and after a further 7 days without an active COC...
January 11, 2017: Contraception
https://www.readbyqxmd.com/read/28087959/a-study-on-hla-dr-dq-typing-in-adult-malay-patients-with-acute-amoebic-liver-abscess
#6
Z Nazli, N M S Azira, M Zeehaida, Z Nik Zairi, Y Nurul Khaiza, Y Maya Mazuwin
INTRODUCTION: Amoebiasis is a parasitic disease caused by Entamoeba histolytica that may lead to death in developing countries. Few important risk factors have been identified in the development of amoebic liver abscess (ALA). There are limited reports that suggest an association between antigens of the major histocompatibility complex (MHC) particularly class II antigens and ALA development. This present work aimed at studying the possible association of HLA antigens with ALA and disease severity...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28087818/three-hours-of-intermittent-hypoxia-increases-circulating-glucose-levels-in-healthy-adults
#7
Lauren P Newhouse, Michael J Joyner, Timothy B Curry, Marcello C Laurenti, Chiara Dalla Man, Claudio Cobelli, Adrian Vella, Jacqueline K Limberg
An independent association exists between sleep apnea and diabetes. Animal models suggest exposure to intermittent hypoxia, a consequence of sleep apnea, results in altered glucose metabolism and fasting hyperglycemia. However, it is unknown if acute exposure to intermittent hypoxia increases glucose concentrations in nondiabetic humans. We hypothesized plasma glucose would be increased from baseline following 3 h of intermittent hypoxia in healthy humans independent of any effect on insulin sensitivity. Eight (7M/1F, 21-34 years) healthy subjects completed two study visits randomized to 3 h of intermittent hypoxia or continuous normoxia, followed by an oral glucose tolerance test...
January 2017: Physiological Reports
https://www.readbyqxmd.com/read/28087655/hagfish-houdinis-biomechanics-and-behavior-of-squeezing-through-small-openings
#8
Calli R Freedman, Douglas S Fudge
Hagfishes are able to squeeze through small openings to gain entry to crevices, burrows, hagfish traps, and carcasses, but little is known about how they do this, or what the limits of this ability are. The purpose of this study was to describe this ability, and to investigate possible mechanisms by which it is accomplished. We investigated the hypothesis that the passive movement of blood within a hagfish's flaccid subcutaneous sinus allows it to squeeze through narrow apertures that it would not be able to if it were turgid...
January 13, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28087439/cerebrovascular-heterogeneity-and-neuronal-excitability
#9
REVIEW
Laura Librizzi, Marco de Curtis, Damir Janigro, Leonie Runtz, Frederic deBock, Emmanuel L Barbier, Nicola Marchi
The cerebral vasculature is a complex tridimensional network of arterial and venous vessels which are anatomically in proximity of and functionally coupled to neurons. Depending on the cellular composition of the vascular wall and its anatomical arrangement, cerebral vessels control regional blood flow, define interstitial homeostasis or cerebrospinal fluid circulation and influence immune cell patrolling. Pathological deviations from these functions promote or are a consequence of brain diseases, directly impacting neuronal firing...
January 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28086841/good-outcome-following-liver-transplantation-using-pericardial-peritoneum-window-for-hepato-atrial-anastomosis-to-overcome-advanced-hepatic-alveolar-echinococcosis-and-secondary-budd-chiari-syndrome-a-case-report
#10
Konrad Kobryń, Rafał Paluszkiewicz, Krzysztof Dudek, Urszula Ołdakowska-Jedynak, Michał Korba, Joanna Raszeja-Wyszomirska, Piotr Remiszewski, Michał Grąt, Piotr Milkiewicz, Waldemar Patkowski, Marek Krawczyk
BACKGROUND: This report presents a case of a 57- year old female with advanced Hepatic Alveolar Echinococcosis causing a secondary Budd-Chiari Syndrome due to infiltration of the suprahepatic inferior vena cava treated successfully by liver transplantation. CASE PRESENTATION: A temporary veno-venous bypass was introduced, but a typical end to end cavo-caval anastomosis wasn't possible in this case. In order to access a disease free part of the inferior vena cava, an oval window of the diaphragm was excised, providing communication between the peritoneum and pericardium...
January 13, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28080924/selected-plasma-biochemistry-analytes-of-healthy-captive-sulcata-african-spurred-tortoises-centrochelys-sulcata
#11
David Eshar, Ady Y Gancz, Nili Avni-Magen, Effi Wagshal, Lisa M Pohlman, Mark A Mitchell
The sulcata or African spurred tortoise (Centrochelys sulcata) is a large tortoise species that is commonly kept in zoologic collections and as a pet. The objectives of this study were to establish reference intervals for selected biochemical analytes in clinically healthy captive sulcata tortoises and to evaluate the impact of blood sampling site and sex. Blood samples were collected from 60 tortoises from either the dorsal coccygeal (tail) vein or the subcarapacial venous plexus based on their body size. The packed cell volume and refractometric total solids (TS) were determined...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28079867/reducing-peripherally-inserted-central-catheters-in-the-neonatal-intensive-care-unit
#12
A J Vachharajani, N A Vachharajani, H Morris, A Niesen, A Elward, D A Linck, A M Mathur
OBJECTIVE: Our objective was to safely reduce the number of peripherally inserted central catheters (PICCs) inserted in infants with umbilical venous catheter using quality improvement methods. STUDY DESIGN: In a tertiary neonatal intensive care unit, a questionnaire designed to prompt critical thinking around the decision to place a PICC, along with an updated standardized feeding guideline was introduced. PICC insertion in 86 infants with umbilical venous catheter (pre intervention) with birth weight 1000-1500 g were compared with 115 infants (post intervention) using Fisher's exact test...
January 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28079865/differences-in-mortality-characteristics-in-neonates-with-down-s-syndrome
#13
C L Cua, U Haque, S Santoro, L Nicholson, C H Backes
OBJECTIVE: Neonates with Down's syndrome (nDS) may have multiple medical issues that place them at increased risk for mortality during the newborn period. Goal of this study was to determine if there are differences in baseline characteristics, medical complications or procedures performed during hospitalization between nDS who survived versus those who died during initial hospitalization. STUDY DESIGN: Data from 2000 to 2014 were reviewed using the Pediatric Health Information Systems (PHIS) database on all DS patients admitted to the hospital <30 days postnatal life...
January 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28079827/differentiating-malignant-from-benign-gastric-mucosal-lesions-with-quantitative-analysis-in-dual-energy-spectral-computed-tomography-initial-experience
#14
Xiaoyan Meng, Cheng Ni, Yaqi Shen, Xuemei Hu, Xiao Chen, Zhen Li, Daoyu Hu
To investigate the value of quantitative analysis in dual energy spectral computed tomography (DESCT) for differentiating malignant gastric mucosal lesions from benign gastric mucosal lesions (including gastric inflammation [GI] and normal gastric mucosa [NGM]). This study was approved by the ethics committee, and all patients provided written informed consent. A total of 161 consecutive patients (63 with gastric cancer [GC], 48 with GI, and 50 with NGM) who underwent dual-phase contrast enhanced DESCT scans in the arterial phase (AP) and portal venous phase (PVP) were included in this study...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079825/the-utility-of-bispectral-index-monitoring-for-prevention-of-rocuronium-induced-withdrawal-movement-in-children-a-randomized-controlled-trial
#15
Byung Gun Lim, Il Ok Lee, Young Sung Kim, Young Ju Won, Heezoo Kim, Myoung Hoon Kong
BACKGROUND: This study was designed to determine whether a deep hypnotic state with a bispectral index (BIS) value less than 40 could alleviate withdrawal movement (WM) upon rocuronium injection during anesthesia induction in children. METHODS: Finally, 135 healthy children (3-12 years) scheduled for minor elective surgery were studied. Without premedication, anesthesia was induced with thiopental sodium 5 mg/kg. Patients were randomized into 2 groups (control vs experimental) and then by virtue of rocuronium injection time, patients in the experimental group were allocated into 2 groups, as follows: in the control group (group C; n = 45), rocuronium 0...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079778/association-of-intended-route-of-delivery-and-maternal-morbidity-in-twin-pregnancy
#16
Sarah Rae Easter, Julian N Robinson, Ellice Lieberman, Daniela Carusi
OBJECTIVE: To evaluate maternal morbidity in twin pregnancies according to intended mode of delivery. METHODS: We assembled a 7-year retrospective cohort (2007-2014) of women delivering viable, vertex-presenting twins beyond 32 weeks of gestation without contraindication to labor or uterine scar. We classified women as undergoing a trial of labor to attempt vaginal birth or choosing an elective cesarean delivery. Our primary outcome was a measure of composite maternal morbidity including death, postpartum hemorrhage, infection, major procedure, readmission for infection or reoperation, need for dilation and evacuation for hemorrhage or infection, venous thromboembolism, small bowel obstruction or ileus, or intensive care unit admission...
January 9, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28079740/venous-thromboembolism-among-pediatric-orthopedic-trauma-patients-a-database-analysis
#17
Daniel Guzman, Samir Sabharwal, Caixia Zhao, Sanjeev Sabharwal
Using the 2012 Kids Inpatient Database, we assessed records of pediatric patients (<21 years old) with fractures of the upper limb, lower limb, spine, pelvis, and multiple locations and calculated the overall prevalence of venous thromboembolism (VTE) and associated potential risk factors. 387 (0.68%) of 57 183 patients with one or more fractures were diagnosed with VTE. Children sustaining fractures of the axial skeleton and those with multiple fractures had a higher prevalence of VTE than those with isolated extremity fractures...
January 10, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28079734/thoracic-epidural-anesthesia-and-prophylactic-three-times-daily-unfractionated-heparin-within-an-enhanced-recovery-after-surgery-pathway-for-colorectal-surgery
#18
Alexander B Stone, Michael C Grant, Brandyn D Lau, Deborah B Hobson, Michael B Streiff, Elliot R Haut, Christopher L Wu, Elizabeth C Wick
BACKGROUND AND OBJECTIVES: Venous thromboembolism (VTE) is a common cause of preventable harm. Perioperative thoracic epidural analgesia (TEA) presents a challenge to optimal VTE prophylaxis. Our primary aim was to characterize missed doses of VTE prophylaxis associated with epidural catheter placement and removal. Our secondary aim was to measure the effect of an enhanced recovery after surgery (ERAS) pathway on the rate of TEA-associated missed VTE prophylaxis. METHODS: We retrospectively reviewed a prospectively collected database of 1264 colorectal surgery patients at a single academic center...
January 9, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28079667/stage-of-fibrosis-and-portal-pressure-correlation-in-nonalcoholic-steatohepatitis
#19
Achuthan Sourianarayanane, Jyothsna Talluri, Abinav Humar, Arthur J McCullough
BACKGROUND: Hepatic venous pressure gradient (HVPG) measurement correlates with staging of liver fibrosis. Patients with nonalcoholic steatohepatitis (NASH) have a different pattern of fibrosis compared with hepatitis C virus (HCV) with possible alterations in pressures. AIM: The aim of this study was to compare portal pressures with the stage of fibrosis in NASH in comparison with other liver diseases. PATIENTS AND METHODS: Records of all patients who had undergone transjugular liver biopsy with pressure measurements between January 2001 and June 2013 were reviewed...
January 10, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28079651/branch-retinal-vein-occlusion-secondary-to-a-retinal-arteriolar-macroaneurysm-a-novel-mechanism-supported-by-multimodal-imaging
#20
Yi Chen, Simon D M Chen, Fred K Chen
BACKGROUND/PURPOSE: To report a case of a branch retinal vein occlusion secondary to a retinal arteriolar macroaneurysm (RAM). METHODS: Retrospective case report describing examination findings, treatment outcome and unique multimodal imaging features demonstrated on fluorescein angiography, optical coherence tomography, optical coherence tomography angiography and adaptive optics photography of the retinal vessels and RAM. RESULTS: A 61-year-old man presented with 20/200 vision in the right eye because of a branch retinal vein occlusion secondary to a RAM...
January 10, 2017: Retinal Cases & Brief Reports
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