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Claire E Webster, Jon Clasper, Daniel J Stinner, Joseph Eliahoo, Spyros D Masouros
Background: Throughout history, traumatic amputation of the lower extremity has been a notable feature of all conflicts involving explosive incidents. Even at the close of the recent conflicts in Afghanistan, there were deaths that were deemed "potentially survivable." The purpose of this study is to characterize lower extremity blast injury and to determine if their amputation levels and associated injury characteristics correlate with a higher risk of mortality. Methods: the UK Joint Theatre Trauma Registry (JTTR) was interrogated to identify all lower extremity traumatic amputations sustained in both Iraq and Afghanistan between January 2003 and the end of UK operations in August 2014...
March 14, 2018: Military Medicine
Athanasios Tyraskis, Spyros Bakalis, Carolina Scala, Argyro Syngelaki, Stefano Giuliani, Mark Davenport, Anna L David, Kypros Nicolaides, Simon Eaton, Paolo De Coppi
AIM: We investigated the natural history of fetal ovarian cysts to estimate the risk of torsion according to size. METHODS: Cases were identified from 1/1/2000 until 1/1/2015. Data were collected pre- and postnatally on cyst size and sonographic features until an outcome of surgery, torsion, or resolution. Fisher's exact test for categorical data and logistic regression for continuous data were used to test the significance of size on torsion; P value <0.05 was considered significant...
February 12, 2018: Journal of Pediatric Surgery
Meletis Rozis, Ioannis Benetos, Panagiotis Karampinas, Vasilios Polyzois, John Vlamis, Spyros Pneumaticos
BACKGROUND: Conservative treatment of an acute Achilles rupture remains a viable and acceptable option as does surgical fixation, with open and percutaneous repair consisting the main operative techniques. The purpose of this study was to compare the outcomes and complication rates of open versus percutaneous surgical procedures. METHODS: From 2009 to 2016, 131 patients were admitted to our department with clinically and radiologically confirmed acute Achilles tendon ruptures...
March 1, 2018: Foot & Ankle International
Eugenia Gkaliagkousi, Panagiota Anyfanti, Sophia Chatzimichailidou, Areti Triantafyllou, Antonios Lazaridis, Spyros Aslanidis, Stella Douma
Predictors of adverse cardiovascular outcomes include elevated nighttime systolic blood pressure (SBP) and a non-dipping pattern. We investigated whether these factors correlate with systemic inflammation, cardiovascular risk, and markers of central and peripheral vascular damage in rheumatoid arthritis (RA), a disease characterized by excess cardiovascular risk. Twenty-four-hour ambulatory blood pressure monitoring was applied in patients and controls. Vascular assessments included measurement of arterial stiffness (pulse wave velocity) and carotid atherosclerosis (carotid intima-media thickness)...
March 9, 2018: Journal of Human Hypertension
Myrsini Giannouli, Κaterina Govatsi, George Syrrokostas, Spyros N Yannopoulos, George Leftheriotis
A comparative assessment of nanowire versus nanoparticle-based ZnO dye-sensitized solar cells (DSSCs) is conducted to investigate the main parameters that affect device performance. Towards this aim, the influence of film morphology, dye adsorption, electron recombination and sensitizer pH on the power conversion efficiency (PCE) of the DSSCs is examined. Nanoparticle-based DSSCs with PCEs of up to 6.2% are developed and their main characteristics are examined. The efficiency of corresponding devices based on nanowire arrays (NW) is considerably lower (0...
March 9, 2018: Materials
Demosthenes Bouros, Zoe Daniil, Despoina Papakosta, Katerina M Antoniou, Katerina Markopoulou, Likurgos Kolilekas, George Konstantopoulos, Spyros Papiris
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a chronic, fibrosing interstitial pneumonia of unknown origin. Despite the fact that the guidelines on the diagnosis and management of the disease were updated in 2015, incorporating novel agents recently introduced in the therapeutic approach of IPF, there is a lack of data on the epidemiology, disease status, and treatment in clinical practice. Contemporary data provided by national registries in IPF provide valuable information to guide clinical management of the disease in the real-world setting, adjusted to the local needs...
March 7, 2018: Respiration; International Review of Thoracic Diseases
Konstantinos Denaxas, Spyros D Ladas, George P Karamanolis
Systemic sclerosis (SSc) is a multisystemic autoimmune connective tissue disorder; in the gastrointestinal tract, the esophagus is the most commonly affected organ. Symptoms of esophageal disease are due to gastroesophageal reflux disease (GERD) and esophageal motor dysfunction. Since the development of high-resolution manometry (HRM), this method has been preferred for the study of SSc patients with esophageal involvement. Using HRM, classic scleroderma esophagus, defined as absent or ineffective peristalsis of the distal esophagus in combination with a hypotensive lower esophageal sphincter, was found in as many as 55% of SSc patients...
March 2018: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
Maria E Marketou, Joanna E Kontaraki, Spyros Maragkoudakis, Alexandros Patrianakos, John Konstantinou, Helen Nakou, Despoina Vougia, John Logakis, Gregory Chlouverakis, Panos E Vardas, Fragiskos I Parthenakis
Background: MicroRNAs (miRs) regulate gene expression and play an important role in ventricular and vascular remodeling. However, there are limited data regarding their role in heart failure with preserved ejection fraction (HFpEF). The aim of this study was to assess gene expression of miR-1, miR-133a, miR-21, miR-208b, miR-499, and miR-26b in peripheral blood mononuclear cells (PBMCs) in hypertensive patients with HFpEF and to evaluate their association with their exercise capacity...
March 1, 2018: American Journal of Hypertension
Julio Dueñas, James Sulzer, Philipp Stämpfli, Marie-Claude Hepp-Reymond, Spyros Kollias, Erich Seifritz, Roger Gassert
Peripheral encoding of movement kinematics has been well-characterized, but there is little understanding of the relationship between movement kinematics and associated brain activation. We hypothesized that kinematics of passive movement is differentially represented in the sensorimotor network, reflecting the well-studied afferent responses to movement. A robotic forefinger manipulandum was used to induce passive kinematic stimuli and monitor interaction force in 41 healthy participants during whole-brain functional magnetic resonance imaging (fMRI)...
February 28, 2018: NeuroImage
Elias Tsiompanidis, Spyros I Siakavellas, Anastasios Tentolouris, Ioanna Eleftheriadou, Stamatia Chorepsima, Anastasios Manolakis, Konstantinos Oikonomou, Nikolaos Tentolouris
AIM: To examine the impact of liver cirrhosis on QT interval and cardiac autonomic neuropathy (CAN). METHODS: A total of 51 patients with cirrhosis and 51 controls were examined. Standard 12-lead electrocardiogram recordings were obtained and QT as well as corrected QT interval (QTc) and their dispersions (dQT, dQTc) were measured and calculated using a computer-based program. The diagnosis of CAN was based upon the battery of the tests proposed by Ewing and Clarke and the consensus statements of the American Diabetes Association...
February 15, 2018: World Journal of Gastrointestinal Pathophysiology
Spyros Michael Siscos, Chi Tran, Ryan Fischer, Garth Fraga
Necrotizing infundibular crystalline folliculitis (NICF) is a rare superficial folliculitis characterized by expansive deposits of birefringent crystallized lipid. We report a case of NICF in a transplant patient presenting with folliculocentric acneiform papules across the lateral face and neck. Biopsy demonstrated intrafollicular crystalline deposits within an intact epidermis. Diagnostic crystals were identified using a non-aqueous histologic technique involving thick unstained sections. To our knowledge, this is the first report of NICF in a transplant patient...
July 15, 2017: Dermatology Online Journal
Lazaros I Sakkas, Theodora Simopoulou, Dimitrios Daoussis, Stamatis-Nick Liossis, Spyros Potamianos
Systemic sclerosis (SSc) is a chronic systemic disease characterized by microvasculopathy, autoantibodies, and extensive fibrosis. Intestinal involvement is frequent in SSc and represents a significant cause of morbidity. The pathogenesis of intestinal involvement includes vascular damage, nerve dysfunction, smooth muscle atrophy, and fibrosis, causing hypomotility, which leads to small intestinal bacterial overgrowth (SIBO), malabsorption, malnutrition, diarrhea, pseudo-obstruction, constipation, pneumatosis intestinalis, and fecal incontinence...
February 21, 2018: Digestive Diseases and Sciences
Joseph Meletiadis, Maria Siopi, Athanassios Tsakris, Johan W Mouton, Spyros Pournaras
The lack of a quantifiable marker for echinocandins activity hinders in vitro PK/PD studies for Aspergillus spp. We developed an in vitro PK/PD model simulating anidulafungin pharmacokinetics and assessing its pharmacodynamics against A. fumigatus with a new easily quantifiable, sensitive and reproducible marker. Two clinical A. fumigatus isolates previously used in animals (AZN8196,V52-35) with identical anidulafungin EUCAST (0.03 μg/ml) and CLSI (0.015 μg/ml) MEC and one (AFU79728) with MEC>16 μg/ml were tested in a two-compartment PK/PD dialysis/diffusion closed model containing a dialysis membrane tube (DM) inoculated with 103 cfu/mL...
February 20, 2018: Antimicrobial Agents and Chemotherapy
Abdulrahman Abdullah Albatly, Adnan Taleb Alsamarah, Abdulrahman Alhawas, Patrick Veit-Haibach, Alfred Buck, Paul Stolzmann, Irene A Burger, Spyros S Kollias, Martin W Huellner
PURPOSE: To investigate 18 F-fluoro-ethyl-tyrosine positron emission tomography (FET-PET) imaging characteristics of adult brainstem glioma (BSG). MATERIALS AND METHODS: FET-PET imaging and progression-free survival (PFS) of 16 adult patients with BSG was analyzed (9 high-grade gliomas, 7 low-grade gliomas). SUV max , TBR, and time activity curves of FET-PET were calculated. RESULTS: Progressive gliomas had higher SUV max (3.57 ± 1.47 vs...
February 8, 2018: Clinical Imaging
Andriana I Papaioannou, Elisavet Konstantelou, Anastasia Papaporfyriou, Konstantinos Bartziokas, Aris Spathis, Petros Bakakos, Stelios Loukides, Nikolaos Koulouris, Spyros Papiris, Konstantinos Kostikas
Surfactant proteins (SPs) have been studied in COPD patients as biomarkers of disease severity and as predictive factors of unfavorable outcomes. The aim of this exploratory study was to evaluate serum levels of SP-A, SP-B, SP-C, and SP-D in patients with COPD both during AECOPD and in stability and to test their possible associations with disease severity and with the development of new exacerbation events. 20 consecutive COPD patients hospitalized for AECOPD were included. Serum SP levels were measured on admission, at discharge, and on stability...
February 14, 2018: Lung
Spyros Kolovos, Judith E Bosmans, Heleen Riper, Karine Chevreul, Veerle M H Coupé, Maurits W van Tulder
BACKGROUND: An increasing number of model-based studies that evaluate the cost effectiveness of treatments for depression are being published. These studies have different characteristics and use different simulation methods. OBJECTIVE: We aimed to systematically review model-based studies evaluating the cost effectiveness of treatments for depression and examine which modelling technique is most appropriate for simulating the natural course of depression. METHODS: The literature search was conducted in the databases PubMed, EMBASE and PsycInfo between 1 January 2002 and 1 October 2016...
September 2017: PharmacoEconomics Open
George V Papatheodoridis, Vana Sypsa, George Dalekos, Cihan Yurdaydin, Florian Van Boemmel, Maria Buti, John Goulis, Jose Luis Calleja, Heng Chi, Spilios Manolakopoulos, Alessandro Loglio, Spyros Siakavellas, Nikolaos Gatselis, Onur Keskın, Maria Lehretz, Savvoula Savvidou, Juan de la Revilla, Bettina E Hansen, Anastasia Kourikou, Ioannis Vlachogiannakos, Kostantinos Galanis, Ramazan Idilman, Massimo Colombo, Rafael Esteban, Harry L A Janssen, Thomas Berg, Pietro Lampertico
BACKGROUND/AIMS: The effects of long-term antiviral therapy on survival have not been adequately assessed in chronic hepatitis B (CHB). In this 10-center, ongoing cohort study, we evaluated the probability of survival and factors affecting survival in Caucasian CHB patients treated with long-term entecavir/tenofovir therapy. METHODS: We included 1951 adult Caucasians with CHB with or without compensated cirrhosis and no hepatocellular carcinoma (HCC) at baseline who received entecavir/tenofovir for ≥12 months (median: 6 years)...
February 7, 2018: Journal of Hepatology
Maria A Kyritsi, Varvara A Mouchtouri, Spyros Pournaras, Christos Hadjichristodoulou
After the Elizabethkingia anophelis outbreak in Wisconsin, USA, an active search for the detection of the microorganism in hospital water systems from Central and Northern Greece was performed from June to December 2016. In total, 457 water samples from 11 hospitals were analyzed. Elizabethkingia spp. was detected in three samples collected from two hospitals, both of which are located in Northern Greece. Two of the three isolated strains were identified as Elizabethkingia anophelis. No cases of Elizabethkingia infection were reported in either hospital during 2016...
February 2018: Journal of Water and Health
Spyros Foteinis
No abstract text is available yet for this article.
February 8, 2018: Nature
Anna Christoforidou, Georgios Kapsas, Zoe Bezirgiannidou, Spyros Papamichos, Ioannis Kotsianidis
No abstract text is available yet for this article.
February 2, 2018: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
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