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https://www.readbyqxmd.com/read/28521382/-coincidence-and-therapy-of-dysalignments-and-degenerative-knee-cartilage-lesions-results-from-the-german-cartilageregistry-dgou
#1
Gunter Spahn, Jürgen Fritz, Dirk Albrecht, Peter Angele, Stefan Fickert, Matthias Aurich, Gunther O Hofmann, Phillip Niemeyer
Purpose This multicenter study was aimed to evaluate the coincidence of degenerative knee cartilage lesions with a varus or valgus dysalignment. Furthermore, the frequency of the combined surgery of cartilage treatments and corrective osteotomies are determined. Material and Methods A total of 1778 patients were included in the German CartilageRegistry (deadline 01.08.2016). In 90.6% of patients, the surgeon calculated the alignment by clinical observation. Varus or valgus conditions were measured radiologically in only 56...
May 18, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28510510/a-nurse-practitioner-s-view-on-telehealth
#2
Kimberly Spahn
No abstract text is available yet for this article.
May 2017: Journal of the American Psychiatric Nurses Association
https://www.readbyqxmd.com/read/28510356/purification-of-recombinant-a%C3%AE-1-42-and-pglu-a%C3%AE-3-42-using-preparative-sds-page
#3
Claudia Spahn, Michael Wermann, Rico Eichentopf, Gerd Hause, Dagmar Schlenzig, Stephan Schilling
Recombinant expression and purification of amyloid peptides represents a common basis for investigating the molecular mechanisms of amyloid formation and toxicity. However, the isolation of the recombinant peptides is hampered by inefficient separation from contaminants such as the fusion protein required for efficient expression in E. coli. Here, we present a new approach for the isolation of highly purified Aβ(1-42) and pGlu-Aβ(3-42), which is based on a separation using preparative SDS-PAGE. The method relies on the purification of the Aβ fusion protein by affinity chromatography followed by preparative SDS-PAGE under reducing conditions and subsequent removal of detergents by precipitation...
May 16, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28489643/factors-influencing-quality-of-pain-management-in-a-physician-staffed-helicopter-emergency-medical-service
#4
Nicole Oberholzer, Alexander Kaserer, Roland Albrecht, Burkhardt Seifert, Mario Tissi, Donat R Spahn, Konrad Maurer, Philipp Stein
BACKGROUND: Pain is frequently encountered in the prehospital setting and needs to be treated quickly and sufficiently. However, incidences of insufficient analgesia after prehospital treatment by emergency medical services are reported to be as high as 43%. The purpose of this analysis was to identify modifiable factors in a specific emergency patient cohort that influence the pain suffered by patients when admitted to the hospital. METHODS: For that purpose, this retrospective observational study included all patients with significant pain treated by a Swiss physician-staffed helicopter emergency service between April and October 2011 with the following characteristics to limit selection bias: Age > 15 years, numerical rating scale (NRS) for pain documented at the scene and at hospital admission, NRS > 3 at the scene, initial Glasgow coma scale > 12, and National Advisory Committee for Aeronautics score < VI...
May 4, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28485390/the-survival-impact-of-neoadjuvant-hormonal-therapy-before-radical-prostatectomy-for-treatment-of-high-risk-prostate-cancer
#5
L Tosco, A Laenen, A Briganti, P Gontero, R J Karnes, M Albersen, P J Bastian, P Chlosta, F Claessens, F K Chun, W Everaerts, C Gratzke, M Graefen, B Kneitz, G Marchioro, R S Salas, B Tombal, T Van den Broeck, L Moris, A Battaglia, H van der Poel, J Walz, A Bossi, G De Meerleer, K Haustermans, H Van Poppel, M Spahn, S Joniau
BACKGROUND: Several randomized controlled trials assessed the outcomes of patients treated with neoadjuvant hormonal therapy (NHT) before radical prostatectomy (RP). The majority of them included mainly low and intermediate risk prostate cancer (PCa) without specifically assessing PCa-related death (PCRD). Thus, there is a lack of knowledge regarding a possible effect of NHT on PCRD in the high-risk PCa population. We aimed to analyze the effect of NHT on PCRD in a multicenter high-risk PCa population treated with RP, using a propensity-score adjustment...
May 9, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28481380/factors-for-and-against-establishing-and-working-in-private-practice-correlated-with-work-related-behavior-and-experience-patterns-of-ferman-physicians-in-schleswig-holstein-a-2-year-longitudinal-study
#6
Edgar Voltmer, Claudia Spahn, Erica Frank
OBJECTIVES: To identify factors in favor of or against establishing and working in private practice, to determine the quality of life and work-related behavior and experience patterns of German physicians working in private practice, and to analyze the correlation of those factors. MATERIAL AND METHODS: A representative sample of physicians in private practice in Schleswig-Holstein, Germany, was surveyed according to a 2-year longitudinal design (T1 - 2008, N = 549 and T2 - 2010, N = 414)...
May 8, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28469086/iron-accelerates-hemoglobin-oxidation-increasing-mortality-in-vascular-diseased-guinea-pigs-following-transfusion-of-stored-blood
#7
Jin Hyen Baek, Ayla Yalamanoglu, Yamei Gao, Ricardo Guenster, Donat R Spahn, Dominik J Schaer, Paul W Buehler
Non-transferrin-bound iron (NTBI) and free hemoglobin (Hb) accumulate in circulation following stored RBC transfusions. This study investigated transfusion, vascular disease, and mortality in guinea pigs after stored RBC transfusion alone and following cotransfusion with apo-transferrin (apo-Tf) and haptoglobin (Hp). The effects of RBC exchange transfusion dose (1, 3, and 9 units), storage period (14 days), and mortality were evaluated in guinea pigs with a vascular disease phenotype. Seven-day mortality and the interaction between iron and Hb as cocontributors to adverse outcome were studied...
May 4, 2017: JCI Insight
https://www.readbyqxmd.com/read/28452979/structural-basis-for-%C3%AE-n-dependent-processive-transcription-antitermination
#8
Nelly Said, Ferdinand Krupp, Ekaterina Anedchenko, Karine F Santos, Olexandr Dybkov, Yong-Heng Huang, Chung-Tien Lee, Bernhard Loll, Elmar Behrmann, Jörg Bürger, Thorsten Mielke, Justus Loerke, Henning Urlaub, Christian M T Spahn, Gert Weber, Markus C Wahl
λN-mediated processive antitermination constitutes a paradigmatic transcription regulatory event, during which phage protein λN, host factors NusA, NusB, NusE and NusG, and an RNA nut site render elongating RNA polymerase termination-resistant. The structural basis of the process has so far remained elusive. Here we describe a crystal structure of a λN-NusA-NusB-NusE-nut site complex and an electron cryo-microscopic structure of a complete transcription antitermination complex, comprising RNA polymerase, DNA, nut site RNA, all Nus factors and λN, validated by crosslinking/mass spectrometry...
April 28, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/28429311/improving-animal-welfare-using-continuous-nalbuphine-infusion-in-a-long-term-rat-model-of-sepsis
#9
Victor Jeger, Mattia Arrigo, Florian F Hildenbrand, Daniel Müller, Paulin Jirkof, Till Hauffe, Burkhardt Seifert, Margarete Arras, Donat R Spahn, Dominique Bettex, Alain Rudiger
BACKGROUND: Sepsis research relies on animal models to investigate the mechanisms of the dysregulated host response to infection. Animal welfare concerns request the use of potent analgesics for the Refinement of existing sepsis models, according to the 3Rs principle. Nevertheless, adequate analgesia is often missing, partly because the effects of analgesics in this particular condition are unknown. We evaluated the use of nalbuphine, an opioid with kappa agonistic and mu antagonistic effects, in rats with and without experimental sepsis...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28397004/the-frequency-of-cartilage-lesions-in-non-injured-knees-with-symptomatic-meniscus-tears-results-from-an-arthroscopic-and-nir-near-infrared-spectroscopic-investigation
#10
Gunter Spahn, Holger Plettenberg, Martin Hoffmann, Holm-Torsten Klemm, Christoph Brochhausen-Delius, Gunther O Hofmann
INTRODUCTION: Are symptomatic tear injuries to the menisci of the knee frequently or always associated with cartilage damage to the corresponding articular surfaces and other joint surfaces, respectively? METHODS: A total of 137 patients (medial n = 127; lateral n = 10) underwent a meniscus resection. These patients showed no signs of a clear radiographic arthrosis and no MRI-detectable cartilage lesions > grade II. Traumatic injury was ruled out with a thorough medical history...
April 10, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28368907/prevalence-and-in-hospital-outcome-of-aspiration-in-out-of-hospital-intubated-trauma-patients
#11
Raluca R Radu, Alexander Kaserer, Burkhardt Seifert, Hans-Peter Simmen, Kurt Ruetzler, Donat R Spahn, Valentin Neuhaus
No abstract text is available yet for this article.
March 31, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28331607/-simplified-international-recommendations-for-the-implementation-of-patient-blood-management-sir4pbm
#12
Patrick Meybohm, Bernd Froessler, Lawrence T Goodnough, Andrew A Klein, Manuel Muñoz, Michael F Murphy, Toby Richards, Aryeh Shander, Donat R Spahn, Kai Zacharowski
BACKGROUND: More than 30% of the world's population are anemic with serious medical and economic consequences. Red blood cell transfusion is the mainstay to correct anemia, but it is also one of the top five overused procedures and carries its own risk and cost burden. Patient blood management (PBM) is a patient-centered and multidisciplinary approach to manage anemia, minimize iatrogenic blood loss, and harness tolerance to anemia in an effort to improve patient outcome. Despite resolution 63...
2017: Perioperative Medicine
https://www.readbyqxmd.com/read/28328758/posttransfusion-increase-of-hematocrit-per-se-does-not-improve-circulatory-oxygen-delivery-due-to-increased-blood-viscosity
#13
Robert Zimmerman, Amy G Tsai, Beatriz Y Salazar Vázquez, Pedro Cabrales, Axel Hofmann, Jens Meier, Aryeh Shander, Donat R Spahn, Joel M Friedman, Daniel M Tartakovsky, Marcos Intaglietta
BACKGROUND: Blood transfusion is used to treat acute anemia with the goal of increasing blood oxygen-carrying capacity as determined by hematocrit (Hct) and oxygen delivery (DO2). However, increasing Hct also increases blood viscosity, which may thus lower DO2 if the arterial circulation is a rigid hydraulic system as the resistance to blood flow will increase. The net effect of transfusion on DO2 in this system can be analyzed by using the relationship between Hct and systemic blood viscosity of circulating blood at the posttransfusion Hct to calculate DO2 and comparing this value with pretransfusion DO2...
May 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28297730/point-of-care-coagulation-monitoring-in-trauma-patients
#14
Philipp Stein, Alexander Kaserer, Gabriela H Spahn, Donat R Spahn
Trauma remains one of the major causes of death and disability all over the world. Uncontrolled blood loss and trauma-induced coagulopathy represent preventable causes of trauma-related morbidity and mortality. Treatment may consist of allogeneic blood product transfusion at a fixed ratio or in an individualized goal-directed way based on point-of-care (POC) and routine laboratory measurements. Viscoelastic POC measurement of the developing clot in whole blood and POC platelet function testing allow rapid and tailored coagulation and transfusion treatment based on goal-directed, factor concentrate-based algorithms...
March 15, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28254944/a-nontoxic-pain-killer-designed-by-modeling-of-pathological-receptor-conformations
#15
V Spahn, G Del Vecchio, D Labuz, A Rodriguez-Gaztelumendi, N Massaly, J Temp, V Durmaz, P Sabri, M Reidelbach, H Machelska, M Weber, C Stein
Indiscriminate activation of opioid receptors provides pain relief but also severe central and intestinal side effects. We hypothesized that exploiting pathological (rather than physiological) conformation dynamics of opioid receptor-ligand interactions might yield ligands without adverse actions. By computer simulations at low pH, a hallmark of injured tissue, we designed an agonist that, because of its low acid dissociation constant, selectively activates peripheral μ-opioid receptors at the source of pain generation...
March 3, 2017: Science
https://www.readbyqxmd.com/read/28236186/risk-factors-for-cartilage-damage-and-osteoarthritis-of-the-elbow-joint-case-control-study-and-systematic-literature-review
#16
Gunter Spahn, Jens Uwe Lipfert, Constance Maurer, Bernd Hartmann, Rainer Schiele, Holm-Torsten Klemm, Joachim Grifka, Gunther O Hofmann
INTRODUCTION: This case-control study compares patients with healthy elbows to a group of symptomatic patients with cartilage damage/osteoarthritis. MATERIALS AND METHODS: The control group (n = 126) was recruited during routine medical examinations of patients (general medical offices). Included in the case group were a total of 92 patients who were undergoing arthroscopy as a result of chronic elbow discomfort. All patients were questioned with regard to occupational stress and athletic stress...
February 24, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28220605/outcome-predictors-of-radical-cystectomy-in-patients-with-ct4-prostate-cancer-a-multi-institutional-study-of-62-patients
#17
Martin Spahn, Alessandro Morlacco, Silvan Boxler, Steven Joniau, Alberto Briganti, Francesco Montorsi, Paolo Gontero, Pia Bader, Detlef Frohneberg, Hein van Poppel, R Jeffrey Karnes
OBJECTIVES: To identify which patients with macroscopic bladder infiltrating T4 prostate cancer (PCa) might have favorable outcomes when treated with radical cystectomy (RC) MATERIALS AND METHODS: We evaluated 62 patients with cT4cN0-1cM0 PCa treated with RC and pelvic lymph node dissection between 1972-2011. In addition to descriptive statistics, the Kaplan-Meier method and log-rank tests were used to depict survival rates. Uni- and multivariate Cox regression analysis tested the association between predictors and progression-free, PCa-specific-, and overall survival...
February 20, 2017: BJU International
https://www.readbyqxmd.com/read/28198742/a-reliability-study-using-a-long-wave-infrared-thermography-device-to-identify-relative-tissue-temperature-variations-of-the-body-surface-and-underlying-tissue
#18
Diane K Langemo, James G Spahn
OBJECTIVE: This study assesses the ability of the Scout (WoundVision LLC, Indianapolis, Indiana), an FDA-approved visual and thermal imaging device and software analysis tool, to provide clinicians with a reliable and reproducible way to incorporate long-wave infrared thermography and relative temperature differential into clinical wound assessment by consistently identifying control areas against which to measure wound temperature. METHODS: This laboratory-based study utilized 3 adult wound care professionals experienced in control area selection...
March 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28182310/ankyrin-rich-membrane-spanning-protein-as-a-novel-modulator-of-transient-receptor-potential-vanilloid-1-function-in-nociceptive-neurons
#19
J Peter, C Kasper, M Kaufholz, R Buschow, J Isensee, T Hucho, F W Herberg, F Schwede, C Stein, S-E Jordt, M Brackmann, V Spahn
BACKGROUND: The ion channel TRPV1 is mainly expressed in small diameter dorsal root ganglion (DRG) neurons, which are involved in the sensation of acute noxious thermal and chemical stimuli. Direct modifications of the channel by diverse signalling events have been intensively investigated, but little is known about the composition of modulating macromolecular TRPV1 signalling complexes. Here, we hypothesize that the novel adaptor protein ankyrin-rich membrane spanning protein/kinase D interacting substrate (ARMS) interacts with TRPV1 and modulates its function in rodent DRG neurons...
February 9, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28173160/pathogenic-inflammation-in-the-cns-of-mice-carrying-human-plp1-mutations
#20
Janos Groh, Hana C Friedman, Nadiya Orel, Chi Wang Ip, Stefan Fischer, Irene Spahn, Erik Schäffner, Michaela Hörner, David Stadler, Mathias Buttmann, Csanad Varallyay, László Solymosi, Michael Sendtner, Alan C Peterson, Rudolf Martini
No abstract text is available yet for this article.
November 1, 2016: Human Molecular Genetics
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