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Štěpán Magersky, Adam Král, Radovan Kubeš
PURPOSE: The purpose of this study was to determine whether X-ray attributes of the femoro-acetabular impingement (FAI) - alpha angle (AA) and offset ratio (OR) reflect real measurements on resected femoral heads. METHODS: FAI AA and OR were assessed on 50 consecutively-resected femoral heads. The parameters were measured on heads cut through the maximum range of the deformity and compared to the same parameters on standardized X-ray projections (anterior-posterior [AP] and axial views)...
July 21, 2017: International Orthopaedics
Ajitha Thanabalasuriar, Bas Gj Surewaard, Michelle E Willson, Arpan S Neupane, Charles K Stover, Paul Warrener, George Wilson, Ashley E Keller, Bret R Sellman, Antonio DiGiandomenico, Paul Kubes
Pseudomonas aeruginosa is a major cause of severe infections that lead to bacteremia and high patient mortality. P. aeruginosa has evolved numerous evasion and subversion mechanisms that work in concert to overcome immune recognition and effector functions in hospitalized and immunosuppressed individuals. Here, we have used multilaser spinning-disk intravital microscopy to monitor the blood-borne stage in a murine bacteremic model of P. aeruginosa infection. P. aeruginosa adhered avidly to lung vasculature, where patrolling neutrophils and other immune cells were virtually blind to the pathogen's presence...
June 1, 2017: Journal of Clinical Investigation
Bharat Datt, Moui B Nguyen, Gary Plancher, Mark Ruzmetov, Michael O'Brien, Alicia Kube, Hamish M Munro, Kamal K Pourmoghadam, William M DeCampli
Centrifugal pumps are considered to be less destructive to blood elements (1) when compared to roller pumps. However, their large prime volumes render them unsuitable as arterial pumps in heart lung machine (HLM) circuitry for children. In November of 2014, the circuit at Arnold Palmer Hospital, a Biomedicus BP-50 with kinetic assist venous drainage (KAVD) and 1/4″ tubing was converted to a roller pump in the arterial position with gravity drainage. Vacuum-assisted venous drainage (VAVD) was mounted on the HLM as a backup, but not used...
March 2017: Journal of Extra-corporeal Technology
J Včelák, Z Matějovský, I Kofránek, R Kubeš, J Lesenský
PURPOSE OF THE STUDY The study presents the monocentric retrospective study of a group of patients with malignant tumours around the knee, treated by a wide resection and a reconstruction with megaprosthesis due to infectious complications. Provided is a detailed analysis of each operative treatment due to the manifestation and process of periprostethic infection of the knee megaprosthesis and the use of external fixator during a two-stage revision. MATERIAL AND METHODS Between 01/1993 and 12/2013, a total of 67 cemented megaprostheses were assessed, with a detailed analysis of 12 patients with periprosthetic infection...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
Connie H Y Wong, Craig N Jenne, Patrick P Tam, Caroline Léger, Andres Venegas, Karla Ryckborst, Michael D Hill, Paul Kubes
BACKGROUND: Infection is highly prevalent and contribute significantly to mortality of stroke patients. In addition to the well described robust systemic lymphocytopenia and skewed T helper 2 (TH2)-immunity after stroke, emerging experimental evidence demonstrate that the development of infection poststroke is attributed by the activation of invariant natural killer T (iNKT) cells. In this prospective study, we examined the levels of a broad spectrum of inflammatory mediators, the activation status of iNKT cell in the blood of patients with various degree of stroke severity, and investigate whether these parameters differ in patients who later develop poststroke infections...
2017: Frontiers in Neurology
M Burian, P Dungl, J Chomiak, M Ošťádal, R Kubeš, O Schwarz
PURPOSE OF THE STUDY A saddle-shaped deformity of the femoral head has a poor prognosis due to rapid development of secondary changes. A new method of treatment by intra-articular anteromedial wedge reduction osteotomy (AWRO) of the femoral head may preserve the hip for the future. This study was designed to ascertain that this invasive technique was safe and effective and to confirm our hypothesis that AWRO significantly improved functional and radiological parameters of the hip joint. MATERIAL AND METHODS Patients who underwent AWRO between 2010 and 2013 were enrolled in this study...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
Andrea P Arguelles, Christopher M Kube, Ping Hu, Joseph A Turner
Elastic wave scattering is used to study polycrystalline media for a wide range of applications. Received signals, which include scattering from the randomly oriented grains comprising the polycrystal, contain information from which useful microstructural parameters may often be inferred. Recently, a mode-converted diffuse ultrasonic scattering model was developed for evaluating the scattered response of a transverse wave from an incident longitudinal wave in a polycrystalline medium containing equiaxed single-phase grains with cubic elastic symmetry...
September 2016: Journal of the Acoustical Society of America
J Kijas, N Elliot, P Kube, B Evans, N Botwright, H King, C R Primmer, K Verbyla
Farmed Atlantic salmon (Salmo salar) is a globally important production species, including in Australia where breeding and selection has been in progress since the 1960s. The recent development of SNP genotyping platforms means genome-wide association and genomic prediction can now be implemented to speed genetic gain. As a precursor, this study collected genotypes at 218 132 SNPs in 777 fish from a Tasmanian breeding population to assess levels of genetic diversity, the strength of linkage disequilibrium (LD) and imputation accuracy...
April 2017: Animal Genetics
Glenn H Engelman, Patrick M Carry, Kyle M Kubes, Michael J Gleason
OBJECTIVES: Patients presenting with ST-elevation myocardial infarction (STEMI) benefit from rapid cardiac reperfusion therapy. Emergency medical service (EMS) agencies can improve patient outcomes by calling STEMI alerts to the receiving facility. The aim of this study was to evaluate the use of pre-hospital activation systems for suspected ST-elevation myocardial infarctions (STEMI) throughout Colorado. METHODS: A cross sectional, survey design was utilized to collect all data from EMS agencies in Colorado...
November 2016: Postgraduate Medicine
F Linke, M Harenberg, M M Nietert, S Zaunig, F von Bonin, A Arlt, M Szczepanowski, H A Weich, S Lutz, C Dullin, P Janovská, M Krafčíková, L Trantírek, P Ovesná, W Klapper, T Beissbarth, F Alves, V Bryja, L Trümper, J Wilting, D Kube
The interaction between vascular endothelial cells (ECs) and cancer cells is of vital importance to understand tumor dissemination. A paradigmatic cancer to study cell-cell interactions is classical Hodgkin Lymphoma (cHL) owing to its complex microenvironment. The role of the interplay between cHL and ECs remains poorly understood. Here we identify canonical WNT pathway activity as important for the mutual interactions between cHL cells and ECs. We demonstrate that local canonical WNT signaling activates cHL cell chemotaxis toward ECs, adhesion to EC layers and cell invasion using not only the Wnt-inhibitor Dickkopf, tankyrases and casein kinase 1 inhibitors but also knockdown of the lymphocyte enhancer binding-factor 1 (LEF-1) and β-catenin in cHL cells...
February 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
F Linke, S Zaunig, M M Nietert, F von Bonin, S Lutz, C Dullin, P Janovská, T Beissbarth, F Alves, W Klapper, V Bryja, T Pukrop, L Trümper, J Wilting, D Kube
Classical Hodgkin lymphoma (cHL) has a typical clinical manifestation, with dissemination involving functionally neighboring lymph nodes. The factors involved in the spread of lymphoma cells are poorly understood. Here we show that cHL cell lines migrate with higher rates compared with non-Hodgkin lymphoma cell lines. cHL cell migration, invasion and adhesion depend on autocrine WNT signaling as revealed by the inhibition of WNT secretion with the porcupine inhibitors Wnt-C59/IWP-2, but did not affect cell proliferation...
June 6, 2016: Oncogene
J J Velasco-Vélez, V Pfeifer, M Hävecker, R Wang, A Centeno, A Zurutuza, G Algara-Siller, E Stotz, K Skorupska, D Teschner, P Kube, P Braeuninger-Weimer, S Hofmann, R Schlögl, A Knop-Gericke
One of the main goals in catalysis is the characterization of solid/gas interfaces in a reaction environment. The electronic structure and chemical composition of surfaces become heavily influenced by the surrounding environment. However, the lack of surface sensitive techniques that are able to monitor these modifications under high pressure conditions hinders the understanding of such processes. This limitation is known throughout the community as the "pressure gap." We have developed a novel experimental setup that provides chemical information on a molecular level under atmospheric pressure and in presence of reactive gases and at elevated temperatures...
May 2016: Review of Scientific Instruments
Maria Münster, Uwe Hanisch, Muin Tuffaha, Rainer Kube, Henry Ptok
BACKGROUND: The examination of as large a number of lymph nodes as possible in rectal carcinoma resectates is important for exact staging. However, after neoadjuvant radiochemotherapy (RCT), it can be difficult to obtain a sufficient number of lymph nodes. We therefore investigated whether staining with methylene blue via the inferior mesenteric artery can lead to an increase in the yield of lymph nodes in rectal carcinoma tissue after neoadjuvant RCT. METHODS: In a prospective, unicentric study rectal carcinoma resectates from three consecutive groups of patients were examined (Group I, no staining; Group II, staining with methylene blue; Group III, again no staining)...
February 2016: World Journal of Surgery
Christian Queckenberg, V Erlinghagen, B C M Baken, S H G Van Os, M Wargenau, V Kubeš, R Peroutka, V Novotný, U Fuhr
PURPOSE: To describe concentration versus time profiles of capecitabine and its metabolites 5'-DFUR, 5'-DFCR and 5-FU, depending on tablet formulation and on frequent and/or relevant genetic polymorphisms of cytidine deaminase, dihydropyrimidine dehydrogenase, thymidylate synthase and methylenetetrahydrofolate reductase (MTHFR). METHODS: In 46 cancer patients on chronic capecitabine treatment, who voluntarily participated in the study, individual therapeutic doses were replaced on four consecutive mornings by the study medication...
November 2015: Cancer Chemotherapy and Pharmacology
Fabio Quaglino, Michael Kube, Maan Jawhari, Yusuf Abou-Jawdah, Christin Siewert, Elia Choueiri, Hana Sobh, Paola Casati, Rosemarie Tedeschi, Marina Molino Lova, Alberto Alma, Piero Attilio Bianco
BACKGROUND: Almond witches'-broom (AlmWB), a devastating disease of almond, peach and nectarine in Lebanon, is associated with 'Candidatus Phytoplasma phoenicium'. In the present study, we generated a draft genome sequence of 'Ca. P. phoenicium' strain SA213, representative of phytoplasma strain populations from different host plants, and determined the genetic diversity among phytoplasma strain populations by phylogenetic analyses of 16S rRNA, groEL, tufB and inmp gene sequences. RESULTS: Sequence-based typing and phylogenetic analysis of the gene inmp, coding an integral membrane protein, distinguished AlmWB-associated phytoplasma strains originating from diverse host plants, whereas their 16S rRNA, tufB and groEL genes shared 100 % sequence identity...
2015: BMC Microbiology
Néva P Meyer, Allan Carrillo-Baltodano, Richard E Moore, Elaine C Seaver
BACKGROUND: Reconstructing the evolutionary history of nervous systems requires an understanding of their architecture and development across diverse taxa. The spiralians encompass diverse body plans and organ systems, and within the spiralians, annelids exhibit a variety of morphologies, life histories, feeding modes and associated nervous systems, making them an ideal group for studying evolution of nervous systems. RESULTS: We describe nervous system development in the annelid Capitella teleta (Blake JA, Grassle JP, Eckelbarger KJ...
2015: Frontiers in Zoology
Andreas H Kramer, Craig N Jenne, David A Zygun, Derek J Roberts, Michael D Hill, Jessalyn K Holodinsky, Stephanie Todd, Paul Kubes, John H Wong
Locally administered tissue plasminogen activator (TPA) accelerates clearance of intraventricular hemorrhage (IVH), but its impact on neurologic outcomes remains unclear and preclinical research suggests it may have pro-inflammatory effects. We randomly allocated patients with ruptured cerebral aneurysms and IVH, treated with endovascular coiling and ventricular drainage, to receive either 2-mg intraventricular TPA or placebo every 12 hours. Cerebrospinal fluid (CSF) and serum cytokine and white blood cell (WBC) concentrations were measured before drug administration and daily for 72 hours...
August 2015: Journal of Cerebral Blood Flow and Metabolism
Andreas H Kramer, Craig Jenne, Jessalyn K Holodinsky, Stephanie Todd, Derek J Roberts, Paul Kubes, David A Zygun, Michael D Hill, Caroline Leger, John H Wong
BACKGROUND: Intraventricular hemorrhage (IVH) frequently complicates spontaneous intracerebral or subarachnoid hemorrhage (SAH). Administration of intraventricular tissue plasminogen activator (TPA) accelerates blood clearance, but optimal dosing has not been clarified. Using a standardized TPA dose, we assessed peak cerebrospinal fluid (CSF) TPA concentrations, the rate at which TPA clears, and the relationship between TPA concentration and biological activity. METHODS: Twelve patients with aneurysmal SAH and IVH, treated with endovascular coiling and ventricular drainage, were randomized to receive either 2 mg intraventricular TPA or placebo every 12 h (five doses)...
December 2015: Neurocritical Care
Andrew W Kirkpatrick, Derek J Roberts, Peter D Faris, Chad G Ball, Paul Kubes, Corina Tiruta, Zhengwen Xiao, Jessalyn K Holodinsky, Paul B McBeth, Christopher J Doig, Craig N Jenne
OBJECTIVE: To determine whether active negative pressure peritoneal therapy with the ABThera temporary abdominal closure device reduces systemic inflammation after abbreviated laparotomy. BACKGROUND: Excessive systemic inflammation after abdominal injury or intra-abdominal sepsis is associated with poor outcomes. METHODS: We conducted a single-center, randomized controlled trial. Forty-five adults with abdominal injury (46.7%) or intra-abdominal sepsis (52...
July 2015: Annals of Surgery
Christian Albert, Johanna Kube, Anja Haase-Fielitz, Annemarie Dittrich, Denny Schanze, Martin Zenker, Hermann Kuppe, Roland Hetzer, Rinaldo Bellomo, Peter R Mertens, Michael Haase
AIM: To assess the association of genetic variants of catecholamine-O-methyltransferase (COMT) genotypes with acute kidney injury (AKI) and tubular stress after open heart surgery. PATIENTS & METHODS: We genotyped 195 patients for the COMT-Val158Met polymorphism and measured creatinine, neutrophil gelatinase-associated lipocalin and midkine. We analyzed the association between such polymorphisms and these kidney-related variables. RESULTS: Nonsignificantly more COMT LL patients developed RIFLE-AKI compared with non-LL patients (p = 0...
2014: Biomarkers in Medicine
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