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Siday T, Hayes J, Schiegl F, Sandner F, Menden P, Bergbauer V, Zizlsperger M, Nerreter S, Lingl S, Repp J, Wilhelm J, Huber MA, Gerasimenko YA, Huber R. All-optical subcycle microscopy on atomic length scales. Nature 2024; 629:329-334. [PMID: 38720038 DOI: 10.1038/s41586-024-07355-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 03/26/2024] [Indexed: 05/12/2024]
Abstract
Bringing optical microscopy to the shortest possible length and time scales has been a long-sought goal, connecting nanoscopic elementary dynamics with the macroscopic functionalities of condensed matter. Super-resolution microscopy has circumvented the far-field diffraction limit by harnessing optical nonlinearities1. By exploiting linear interaction with tip-confined evanescent light fields2, near-field microscopy3,4 has reached even higher resolution, prompting a vibrant research field by exploring the nanocosm in motion5-19. Yet the finite radius of the nanometre-sized tip apex has prevented access to atomic resolution20. Here we leverage extreme atomic nonlinearities within tip-confined evanescent fields to push all-optical microscopy to picometric spatial and femtosecond temporal resolution. On these scales, we discover an unprecedented and efficient non-classical near-field response, in phase with the vector potential of light and strictly confined to atomic dimensions. This ultrafast signal is characterized by an optical phase delay of approximately π/2 and facilitates direct monitoring of tunnelling dynamics. We showcase the power of our optical concept by imaging nanometre-sized defects hidden to atomic force microscopy and by subcycle sampling of current transients on a semiconducting van der Waals material. Our results facilitate access to quantum light-matter interaction and electronic dynamics at ultimately short spatio-temporal scales in both conductive and insulating quantum materials.
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Affiliation(s)
- T Siday
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
| | - J Hayes
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
| | - F Schiegl
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
| | - F Sandner
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
| | - P Menden
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
| | - V Bergbauer
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
| | - M Zizlsperger
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
| | - S Nerreter
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
| | - S Lingl
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
| | - J Repp
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
| | - J Wilhelm
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany.
| | - M A Huber
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany.
| | - Y A Gerasimenko
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany.
| | - R Huber
- Department of Physics and Regensburg Center for Ultrafast Nanoscopy (RUN), University of Regensburg, Regensburg, Germany
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Neilson LE, Wilhelm J, McDonnell MM, Mann L, Kraakevik JA. Extension of community healthcare outcomes in Parkinson disease (Parkinson ECHO): A feasibility study. Clin Park Relat Disord 2022; 7:100167. [PMID: 36247347 PMCID: PMC9563562 DOI: 10.1016/j.prdoa.2022.100167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 09/16/2022] [Accepted: 10/05/2022] [Indexed: 11/16/2022] Open
Abstract
Background Parkinson's disease is the second most common neurodegenerative disorder and presents with a heterogeneous group of symptoms. Managing these symptoms requires coordinated care from a neurology specialist and a primary care provider. Access to neurology care is limited for those patients with Parkinson's disease who reside in rural areas given financial and mobility constraints along with the rarity of specialty providers. Methods To close this gap, we developed and implemented a telehealth-based Project ECHO® (Extension for Community Healthcare Outcomes) program, "Parkinson ECHO," to provide education and support for rural clinicians and allied health members. The sessions focused on a topic within Parkinson's disease diagnosis or management followed by case discussions. We assessed the feasibility of this tele-mentoring educational offering, the favorability of this approach, and the effect it had on clinician confidence in diagnosing and treating Parkinson's disease using Likert-based surveys. Results Thirty-three unique participants from 13 Oregon counties and one county in the state of Washington, of whom 70 % served rural and/or medically underserved communities, participated in Parkinson ECHO. There was a 52 % dropout rate based on survey response, though session attendance was higher. Participants were overall satisfied with the format and content of Parkinson ECHO. There were improvements in knowledge and confidence in diagnosing and treating Parkinson's disease which persisted 6 months following the conclusion of the program. Unexpectedly, two participants reported convening a multidisciplinary group to discuss improvements to PD care. Conclusion The COVID-19 pandemic was an unexpected obstacle, but the teleconference nature permitted us to complete the program to positive effect. We found Parkinson ECHO did significantly increase participant confidence levels in diagnosing and managing Parkinson's disease.
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Affiliation(s)
- Lee E. Neilson
- Department of Neurology, Veterans Affairs Medical Center, 3710 SW US Veterans Road, P3-PADRECC, Portland, OR 97239, USA,Department of Neurology, Oregon Health and Sciences University, 3181 SW Sam Jackson Parkway, Mail Code OP32, Portland, OR 97239, USA,Corresponding author at: Department of Neurology, Veterans Affairs Medical Center, 3710 SW US Veterans Road, P3-PADRECC, Portland, OR 97239, USA.
| | - Jennifer Wilhelm
- Department of Neurology, Oregon Health and Sciences University, 3181 SW Sam Jackson Parkway, Mail Code OP32, Portland, OR 97239, USA
| | - Margaret McLain McDonnell
- Oregon ECHO Network, Oregon Rural Practice-based Research Network, Oregon Health & Science University, Portland, OR, USA
| | - Lisa Mann
- Department of Neurology, Oregon Health and Sciences University, 3181 SW Sam Jackson Parkway, Mail Code OP32, Portland, OR 97239, USA
| | - Jeff A. Kraakevik
- Department of Neurology, Veterans Affairs Medical Center, 3710 SW US Veterans Road, P3-PADRECC, Portland, OR 97239, USA,Department of Neurology, Oregon Health and Sciences University, 3181 SW Sam Jackson Parkway, Mail Code OP32, Portland, OR 97239, USA
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Martini DN, Wilhelm J, Lee L, Brumbach BH, Chesnutt J, Skorseth P, King LA. Exploring clinical and patient characteristics for rehabilitation referrals following a concussion: a retrospective analysis. Arch Rehabil Res Clin Transl 2022; 4:100183. [PMID: 35756984 PMCID: PMC9214303 DOI: 10.1016/j.arrct.2022.100183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Objective To explore patterns of postconcussion care at a level 1 trauma center. Design Retrospective cohort study. Setting U.S. level 1 trauma center and local satellite units. Participants Patients of any age with a concussion diagnosis that reported to level 1 trauma center and local satellite units between 2016 and 2018 (N=2417). Intervention Not applicable. Main Outcome Measures Age, sex, point of entry, rehabilitation referrals, and pre-existing comorbidity diagnosis. Results Patient age (mean [SD]) significantly differed among points of entry, from youngest to oldest: 26.0 (14.0) years in sports medicine, 29.3 (23.0) years in the emergency department, 34.6 (23.6) years at primary care providers, and 46.0 (19.7) years at specialty care departments. Sex also significantly differed among points of entry; emergency departments reported more men (55.6%), whereas the other points of entry reported more women (59.3%-65.6%). Patients were more likely to receive a referral from sports medicine (odds ratio [OR]unadjusted=75.05, P<.001), primary care providers (ORunadjusted=7.98, P<.001), and specialty care departments (ORunadjusted=7.62, P<.001) than from the emergency department. Women were more likely to receive a referral (ORunadjusted=1.92, P<.0001), regardless of point of entry. Lastly, patients with a preexisting comorbidity were more likely (ORadjusted=2.12, P<.001) to get a rehabilitation referral than patients without a comorbidity. Conclusions Point of entry, age, sex, and preexisting comorbidities are associated with postconcussion care rehabilitation referral patterns. Improving concussion education dissemination across all entry points of a level 1 trauma center may standardize the postconcussion rehabilitation referral patterns, potentially improving the time to recovery from a concussion.
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Lipps C, Yogeswaran A, McNamara J, Wilhelm J, Truschel T, Aslam M, Reischauer S, Voss S, Keller T, Doerr O, Nef H, Hamm CW, Sadayappan S, Troidl C. C0-C1f region of cardiac myosin binding protein-C induces pro-inflammatory responses in fibroblasts. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.3246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Cardiac myosin binding protein-C is a protein expressed in the myosin thick filament backbone that was recently described as a novel cardiac biomarker. Its N-terminal region, C0-C1f, is released within the first minutes of ischemia and plays a crucial role in the initiation of inflammation in bone marrow-derived macrophages. Long-term C0-C1f exposure induces cardiac fibrosis in transgenic mice; however, the mechanism by which C0-C1f causes fibrosis is unclear. The aim of the study was to investigate the effects of C0-C1f on fibroblasts, which are the main contributor to cardiac fibrosis, in vitro. We determined whether C0-C1f directly activates fibroblasts and causes a transdifferentiation to myofibroblasts or induces inflammatory responses. Moreover, we clarify whether other cell types could be involved in inducing fibrosis, i.e. by the release of pro-inflammatory cytokines upon C0-C1f interaction.
Methods
A novel human fibroblast cell line (huFib) was treated with C0-C1f, C0-Linker, TGF-β, or LPS for different time periods. Inflammatory and fibrotic responses were evaluated at the RNA and protein level using different techniques including microarray, qRT-PCR, and immunofluorescence imaging. For signalling pathway analysis, TLR4 and NFκB were inhibited using chemical compounds TAK-242 or Bay11–0785 respectively.
Results
C0-C1f treatment induced an increase in mRNA corresponding to pro-inflammatory genes in huFib cells (i.a. CXL1 upon 24 hours treatment: 29 fold, p<0.001 and CCL2 4-fold, p<0.001). The mRNA expression levels of pro-fibrotic genes such as ACTA2 or COL1A1, which were upregulated by TGF-β, were not reduced by C0-C1f (ACTA2 induced by TGF-β: 3,8 fold, p<0.001, co-stimulation with C0-C1f: 1,8 fold, p=0.11 compared to control; COL1A1 induced by TGF-β: 2,94 fold, p<0.001, co-stimulation with C0-C1f: 2.09 fold (p<0.01) compared to control. Interestingly, co-stimulation of fibroblasts with C0-C1f and TGF-β led also to markedly lower inflammatory response compared to C0-C1f treatment alone (CXCL1 induction upon co-stimulation: 2,0 fold, p<0.001, CCL2: 1,9 fold, p=0.001, which is a reduction by 27 fold, p<0.001 or 2 fold, p=0.002, respectively). Inhibition of TLR4 or NFκB signaling diminished C0-C1f-mediated inflammatory responses.
Conclusion
C0-C1f induces inflammation in fibroblasts via TLR4/NFκB signalling pathway. Downregulation of C0-C1f mediated inflammatory responses upon co-stimulation with TGF-β suggests crosstalk between the two signaling pathways. Contrary, C0-C1f reduced TGF-β mediated pro-fibrotic responses reflected by conversion of fibroblasts into myofibroblasts was not observed. Taken together, these data are consistent with the idea that C0-C1f might play a key role in the early initiation of inflammation upon myocardial infarction, also in fibroblasts, and that TGF-β acts as a counterpart at later stages of cardiac remodeling.
Funding Acknowledgement
Type of funding sources: Foundation. Main funding source(s): William G. Kerckhoff Stiftung für wissenschaftliche Forschung und Fortbildung
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Affiliation(s)
- C Lipps
- Justus-Liebig University of Giessen, Experimental Cardiology, Giessen, Germany
| | - A Yogeswaran
- Justus-Liebig University of Giessen, Experimental Cardiology, Giessen, Germany
| | - J McNamara
- University of Cincinnati, Department of Internal Medicine, Heart, Lung and Vascular Institute, Cincinnati, United States of America
| | - J Wilhelm
- Justus-Liebig University of Giessen, German Center for Lung Research (DZL), Giessen, Germany
| | | | - M Aslam
- Justus-Liebig University of Giessen, Experimental Cardiology, Giessen, Germany
| | - S Reischauer
- Justus-Liebig University of Giessen, Experimental Cardiology, Giessen, Germany
| | - S Voss
- Kerckhoff Heart and Thorax Center, Department of Cardiology, Bad Nauheim, Germany
| | - T Keller
- Kerckhoff Heart and Thorax Center, Department of Cardiology, Bad Nauheim, Germany
| | - O Doerr
- UKGM Giessen, Cardiology and Angiology, Giessen, Germany
| | - H Nef
- UKGM Giessen, Cardiology and Angiology, Giessen, Germany
| | - C W Hamm
- Kerckhoff Heart and Thorax Center, Department of Cardiology, Bad Nauheim, Germany
| | - S Sadayappan
- University of Cincinnati, Department of Internal Medicine, Heart, Lung and Vascular Institute, Cincinnati, United States of America
| | - C Troidl
- Justus-Liebig University of Giessen, Experimental Cardiology, Giessen, Germany
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5
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LeMire S, Graves SJ, Bankston S, Wilhelm J. Similarly different: Finding the nuances in first year students' library perceptions. The Journal of Academic Librarianship 2021. [DOI: 10.1016/j.acalib.2021.102352] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Bluett B, Pantelyat AY, Litvan I, Ali F, Apetauerova D, Bega D, Bloom L, Bower J, Boxer AL, Dale ML, Dhall R, Duquette A, Fernandez HH, Fleisher JE, Grossman M, Howell M, Kerwin DR, Leegwater-Kim J, Lepage C, Ljubenkov PA, Mancini M, McFarland NR, Moretti P, Myrick E, Patel P, Plummer LS, Rodriguez-Porcel F, Rojas J, Sidiropoulos C, Sklerov M, Sokol LL, Tuite PJ, VandeVrede L, Wilhelm J, Wills AMA, Xie T, Golbe LI. Best Practices in the Clinical Management of Progressive Supranuclear Palsy and Corticobasal Syndrome: A Consensus Statement of the CurePSP Centers of Care. Front Neurol 2021; 12:694872. [PMID: 34276544 PMCID: PMC8284317 DOI: 10.3389/fneur.2021.694872] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 06/10/2021] [Indexed: 11/16/2022] Open
Abstract
Progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS; the most common phenotype of corticobasal degeneration) are tauopathies with a relentless course, usually starting in the mid-60s and leading to death after an average of 7 years. There is as yet no specific or disease-modifying treatment. Clinical deficits in PSP are numerous, involve the entire neuraxis, and present as several discrete phenotypes. They center on rigidity, bradykinesia, postural instability, gait freezing, supranuclear ocular motor impairment, dysarthria, dysphagia, incontinence, sleep disorders, frontal cognitive dysfunction, and a variety of behavioral changes. CBS presents with prominent and usually asymmetric dystonia, apraxia, myoclonus, pyramidal signs, and cortical sensory loss. The symptoms and deficits of PSP and CBS are amenable to a variety of treatment strategies but most physicians, including many neurologists, are reluctant to care for patients with these conditions because of unfamiliarity with their multiplicity of interacting symptoms and deficits. CurePSP, the organization devoted to support, research, and education for PSP and CBS, created its CurePSP Centers of Care network in North America in 2017 to improve patient access to clinical expertise and develop collaborations. The directors of the 25 centers have created this consensus document outlining best practices in the management of PSP and CBS. They formed a writing committee for each of 12 sub-topics. A 4-member Steering Committee collated and edited the contributions. The result was returned to the entire cohort of authors for further comments, which were considered for incorporation by the Steering Committee. The authors hope that this publication will serve as a convenient guide for all clinicians caring for patients with PSP and CBS and that it will improve care for patients with these devastating but manageable disorders.
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Affiliation(s)
- Brent Bluett
- Neurology, Pacific Central Coast Health Center, Dignity Health, San Luis Obispo, CA, United States
- Neurology, Stanford University, Stanford, CA, United States
| | - Alexander Y. Pantelyat
- Neurology, The Johns Hopkins Hospital, Johns Hopkins Medicine, Baltimore, MD, United States
| | - Irene Litvan
- Neurology, University of California, San Diego, San Diego, CA, United States
| | - Farwa Ali
- Neurology, Mayo Clinic, Rochester, MN, United States
| | - Diana Apetauerova
- Neurology, Lahey Hospital and Medical Center, Burlington, MA, United States
| | - Danny Bega
- Ken and Ruth Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Lisa Bloom
- Neurology, Surgery, University of Chicago, Chicago, IL, United States
| | - James Bower
- Neurology, Mayo Clinic, Rochester, MN, United States
| | - Adam L. Boxer
- Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Marian L. Dale
- Neurology, Oregon Health and Science University, Portland, OR, United States
| | - Rohit Dhall
- Neurology, University of Arkansas for Medical Sciences, Little Rock, AK, United States
| | - Antoine Duquette
- Service de Neurologie, Département de Médecine, Unité de Troubles du Mouvement André-Barbeau, Centre Hospitalier de l'Université de Service de Neurologie, Centre Hospitalier de l'Université de Montréal (CHUM), Montreal, QC, Canada
| | - Hubert H. Fernandez
- Center for Neurological Restoration, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Jori E. Fleisher
- Neurological Sciences, Rush Medical College, Rush University, Chicago, IL, United States
| | - Murray Grossman
- Neurology, University of Pennsylvania, Philadelphia, PA, United States
| | - Michael Howell
- Neurology, Medical School, University of Minnesota, Minneapolis, MN, United States
| | - Diana R. Kerwin
- Geriatrics, Presbyterian Hospital of Dallas, Dallas, TX, United States
| | | | - Christiane Lepage
- Service de Neurologie, Département de Médecine, Unité de Troubles du Mouvement André-Barbeau, Centre Hospitalier de l'Université de Service de Neurologie, Centre Hospitalier de l'Université de Montréal (CHUM), Montreal, QC, Canada
| | | | - Martina Mancini
- Neurology, Oregon Health and Science University, Portland, OR, United States
| | - Nikolaus R. McFarland
- Neurology, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Paolo Moretti
- Neurology, The University of Utah, Salt Lake City, UT, United States
| | - Erica Myrick
- Neurological Sciences, Rush Medical College, Rush University, Chicago, IL, United States
| | - Pritika Patel
- Neurology, Lahey Hospital and Medical Center, Burlington, MA, United States
| | - Laura S. Plummer
- Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | | | - Julio Rojas
- Neurology, University of California, San Francisco, San Francisco, CA, United States
| | | | - Miriam Sklerov
- Neurology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Leonard L. Sokol
- Ken and Ruth Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Paul J. Tuite
- Neurology, Medical School, University of Minnesota, Minneapolis, MN, United States
| | - Lawren VandeVrede
- Neurology, School of Medicine, University of California, San Francisco, San Francisco, CA, United States
| | - Jennifer Wilhelm
- Neurology, Oregon Health and Science University, Portland, OR, United States
| | - Anne-Marie A. Wills
- Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Tao Xie
- Neurology, Surgery, University of Chicago, Chicago, IL, United States
| | - Lawrence I. Golbe
- Neurology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, United States
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Schmid CP, Weigl L, Grössing P, Junk V, Gorini C, Schlauderer S, Ito S, Meierhofer M, Hofmann N, Afanasiev D, Crewse J, Kokh KA, Tereshchenko OE, Güdde J, Evers F, Wilhelm J, Richter K, Höfer U, Huber R. Tunable non-integer high-harmonic generation in a topological insulator. Nature 2021; 593:385-390. [PMID: 34012087 DOI: 10.1038/s41586-021-03466-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 03/17/2021] [Indexed: 02/04/2023]
Abstract
When intense lightwaves accelerate electrons through a solid, the emerging high-order harmonic (HH) radiation offers key insights into the material1-11. Sub-optical-cycle dynamics-such as dynamical Bloch oscillations2-5, quasiparticle collisions6,12, valley pseudospin switching13 and heating of Dirac gases10-leave fingerprints in the HH spectra of conventional solids. Topologically non-trivial matter14,15 with invariants that are robust against imperfections has been predicted to support unconventional HH generation16-20. Here we experimentally demonstrate HH generation in a three-dimensional topological insulator-bismuth telluride. The frequency of the terahertz driving field sharply discriminates between HH generation from the bulk and from the topological surface, where the unique combination of long scattering times owing to spin-momentum locking17 and the quasi-relativistic dispersion enables unusually efficient HH generation. Intriguingly, all observed orders can be continuously shifted to arbitrary non-integer multiples of the driving frequency by varying the carrier-envelope phase of the driving field-in line with quantum theory. The anomalous Berry curvature warranted by the non-trivial topology enforces meandering ballistic trajectories of the Dirac fermions, causing a hallmark polarization pattern of the HH emission. Our study provides a platform to explore topology and relativistic quantum physics in strong-field control, and could lead to non-dissipative topological electronics at infrared frequencies.
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Affiliation(s)
- C P Schmid
- Institute of Experimental and Applied Physics, University of Regensburg, Regensburg, Germany
| | - L Weigl
- Institute of Experimental and Applied Physics, University of Regensburg, Regensburg, Germany
| | - P Grössing
- Institute of Theoretical Physics, University of Regensburg, Regensburg, Germany
| | - V Junk
- Institute of Theoretical Physics, University of Regensburg, Regensburg, Germany
| | - C Gorini
- Institute of Theoretical Physics, University of Regensburg, Regensburg, Germany.,Université Paris-Saclay, CEA, CNRS, SPEC, Gif-sur-Yvette, France
| | - S Schlauderer
- Institute of Experimental and Applied Physics, University of Regensburg, Regensburg, Germany
| | - S Ito
- Department of Physics, Philipps-University of Marburg, Marburg, Germany
| | - M Meierhofer
- Institute of Experimental and Applied Physics, University of Regensburg, Regensburg, Germany
| | - N Hofmann
- Institute of Experimental and Applied Physics, University of Regensburg, Regensburg, Germany
| | - D Afanasiev
- Institute of Experimental and Applied Physics, University of Regensburg, Regensburg, Germany
| | - J Crewse
- Institute of Theoretical Physics, University of Regensburg, Regensburg, Germany
| | - K A Kokh
- V.S. Sobolev Institute of Geology and Mineralogy SB RAS, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| | - O E Tereshchenko
- Novosibirsk State University, Novosibirsk, Russia.,A.V. Rzhanov Institute of Semiconductor Physics SB RAS, Novosibirsk, Russia
| | - J Güdde
- Department of Physics, Philipps-University of Marburg, Marburg, Germany
| | - F Evers
- Institute of Theoretical Physics, University of Regensburg, Regensburg, Germany
| | - J Wilhelm
- Institute of Theoretical Physics, University of Regensburg, Regensburg, Germany.
| | - K Richter
- Institute of Theoretical Physics, University of Regensburg, Regensburg, Germany.
| | - U Höfer
- Department of Physics, Philipps-University of Marburg, Marburg, Germany
| | - R Huber
- Institute of Experimental and Applied Physics, University of Regensburg, Regensburg, Germany.
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Wilhelm J. Joint venture: An exploratory case study of academic libraries’ collaborations with career centers. Journal of Business & Finance Librarianship 2021. [DOI: 10.1080/08963568.2021.1893962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Abstract
Purpose
The purpose of this paper is to describe how librarians used elements of market research, advertising and media literacy in a personal finance class.
Design/methodology/approach
Librarians each semester guest lecture one session in a personal finance class “Foundations of Money Education.” Through this class, librarians present engaging material about market research and advertising in an effort to encourage students to think about how these external forces influence their spending behavior.
Findings
Students appreciate learning about advertising through the engaging use of commercials. While responses were mixed as to the applicability of the topic, the majority of students agreed that the topic was a worthwhile addition to the personal finance curriculum.
Originality/value
Topics such as budgets, savings, and mortgages are typically taught in personal finance classes. Teaching information about market research and advertising is a topic that is usually not covered in a personal finance class.
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Parrington L, Jehu DA, Fino PC, Stuart S, Wilhelm J, Pettigrew N, Murchison CF, El-Gohary M, VanDerwalker J, Pearson S, Hullar T, Chesnutt JC, Peterka RJ, Horak FB, King LA. The Sensor Technology and Rehabilitative Timing (START) Protocol: A Randomized Controlled Trial for the Rehabilitation of Mild Traumatic Brain Injury. Phys Ther 2020; 100:687-697. [PMID: 31951263 PMCID: PMC8493665 DOI: 10.1093/ptj/pzaa007] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 11/16/2018] [Accepted: 10/04/2019] [Indexed: 01/01/2023]
Abstract
BACKGROUND Clinical practice for rehabilitation after mild traumatic brain injury (mTBI) is variable, and guidance on when to initiate physical therapy is lacking. Wearable sensor technology may aid clinical assessment, performance monitoring, and exercise adherence, potentially improving rehabilitation outcomes during unsupervised home exercise programs. OBJECTIVE The objectives of this study were to: (1) determine whether initiating rehabilitation earlier than typical will improve outcomes after mTBI, and (2) examine whether using wearable sensors during a home-exercise program will improve outcomes in participants with mTBI. DESIGN This was a randomized controlled trial. SETTING This study will take place within an academic hospital setting at Oregon Health & Science University and Veterans Affairs Portland Health Care System, and in the home environment. PARTICIPANTS This study will include 160 individuals with mTBI. INTERVENTION The early intervention group (n = 80) will receive one-on-one physical therapy 8 times over 6 weeks and complete daily home exercises. The standard care group (n = 80) will complete the same intervention after a 6- to 8-week wait period. One-half of each group will receive wearable sensors for therapist monitoring of patient adherence and quality of movements during their home exercise program. MEASUREMENTS The primary outcome measure will be the Dizziness Handicap Inventory score. Secondary outcome measures will include symptomatology, static and dynamic postural control, central sensorimotor integration posturography, and vestibular-ocular-motor function. LIMITATIONS Potential limitations include variable onset of care, a wide range of ages, possible low adherence and/or withdrawal from the study in the standard of care group, and low Dizziness Handicap Inventory scores effecting ceiling for change after rehabilitation. CONCLUSIONS If initiating rehabilitation earlier improves primary and secondary outcomes post-mTBI, this could help shape current clinical care guidelines for rehabilitation. Additionally, using wearable sensors to monitor performance and adherence may improve home exercise outcomes.
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Affiliation(s)
- Lucy Parrington
- Department of Neurology, Oregon Health & Science University,
Portland, Oregon; and Veterans Affairs Portland Health Care System, Portland, Oregon
| | - Deborah A Jehu
- Department of Neurology, Oregon Health & Science University;
Djavad Mowafaghian Centre for Brain Health, Centre for Hip Health and Mobility, and
Department of Physical Therapy, University of British Columbia, Vancouver, British Columbia,
Canada
| | - Peter C Fino
- Department of Neurology, Oregon Health & Science University;
Veterans Affairs Portland Health Care System; and Department of Health, Kinesiology, and
Recreation, University of Utah, Salt Lake City, Utah
| | - Samuel Stuart
- Department of Neurology, Oregon Health & Science University;
and Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle upon
Tyne, United Kingdom
| | | | | | - Charles F Murchison
- Department of Neurology, Oregon Health & Science University;
and Department of Biostatistics at the University of Alabama, Birmingham, Alabama
| | | | | | | | - Timothy Hullar
- Department of Otolaryngology-Head and Neck Surgery, Oregon Health
& Science University
| | - James C Chesnutt
- Departments of Family Medicine, Neurology, and Orthopedics &
Rehabilitation, Oregon Health & Science University
| | - Robert J Peterka
- National Center for Rehabilitative Auditory Research, Veterans
Affairs Portland Health Care System
| | - Fay B Horak
- Department of Neurology, Oregon Health & Science University;
Veterans Affairs Portland Health Care System; and APDM Inc
| | - Laurie A King
- Department of Neurology, Oregon Health & Science University,
3181 SW Sam Jackson Park Rd, Portland, OR 97239 (USA); Veterans Affairs Portland Health Care
System; and National Center for Rehabilitative Auditory Research, Veterans Affairs Portland
Health Care System,Address all correspondence to Dr King at:
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11
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Djukanovic D, Ottnad K, Wilhelm J, Wittig H. Strange Electromagnetic Form Factors of the Nucleon with N_{f}=2+1 O(a)-Improved Wilson Fermions. Phys Rev Lett 2019; 123:212001. [PMID: 31809157 DOI: 10.1103/physrevlett.123.212001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 08/19/2019] [Indexed: 06/10/2023]
Abstract
We present results for the strange contribution to the electromagnetic form factors of the nucleon computed on the coordinated lattice simulation ensembles with N_{f}=2+1 flavors of O(a)-improved Wilson fermions and an O(a)-improved vector current. Several source-sink separations are investigated in order to estimate the excited-state contamination. We calculate the form factors on six ensembles with lattice spacings in the range of a=0.049-0.086 fm and pion masses in the range of m_{π}=200-360 MeV, which allows for a controlled chiral and continuum extrapolation. In the computation of the quark-disconnected contributions, we employ hierarchical probing as a variance-reduction technique.
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Affiliation(s)
- D Djukanovic
- Helmholtz Institute Mainz, Staudingerweg 18, D-55128 Mainz, Germany
| | - K Ottnad
- Helmholtz Institute Mainz, Staudingerweg 18, D-55128 Mainz, Germany
- PRISMA+ Cluster of Excellence and Institute for Nuclear Physics, Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55128 Mainz, Germany
| | - J Wilhelm
- PRISMA+ Cluster of Excellence and Institute for Nuclear Physics, Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55128 Mainz, Germany
| | - H Wittig
- Helmholtz Institute Mainz, Staudingerweg 18, D-55128 Mainz, Germany
- PRISMA+ Cluster of Excellence and Institute for Nuclear Physics, Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55128 Mainz, Germany
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12
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Wilhelm J, Vaaler A. Looking for the library: Using an undergraduate business syllabi analysis to inform an instruction program. Journal of Business & Finance Librarianship 2018. [DOI: 10.1080/08963568.2019.1624451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
| | - Alyson Vaaler
- Texas A&M University Libraries, College Station, Texas, USA
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Selvakumar B, Wilhelm J, Wolff D, Seeger W, Lohmeyer J, Herold S. Functional phenotype and role of resident and recruited bone marrow derived exudate macrophages in influenza virus-induced lung injury and repair. Int J Infect Dis 2018. [DOI: 10.1016/j.ijid.2018.04.3522] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Wygrecka M, Didiasova M, Singh R, Wilhelm J, Kwapiszewska G, Wujak L, Schaefer L, Seeger W, Kreuter M, Lauth M, Markart P. Pirfenidone exerts anti-fibrotic effects through Inhibition of GLI transcription factors. Pneumologie 2018. [DOI: 10.1055/s-0037-1619431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- M Wygrecka
- Department of Biochemistry, Universities of Gießen and Marburg Lung Center
| | - M Didiasova
- Biochemisches Institut, University of Gießen Lung Center
| | - R Singh
- Institute of Molecular Biology and Tumor Research (IMT), Center for Tumor Biology and Immunology (ZTI), Philipps University Marburg
| | - J Wilhelm
- Department of Internal Medicine, University of Gießen Lung Center
| | - G Kwapiszewska
- Ludwig Boltzmann Institute for Lung Vascular Research Graz
| | - L Wujak
- Biochemisches Institut, University of Gießen Lung Center
| | - L Schaefer
- Institut für Allgemeine Pharmakologie und Toxikologie, Johann Wolfgang Goethe-Universität Frankfurt
| | - W Seeger
- Zentrum für Innere Medizin, Medizinische Klinik II, Universitätsklinikum Gießen
| | - M Kreuter
- Zentrum für Interstitielle und Seltene Lungenerkrankungen, Pneumologie und Beatmungsmedizin, Thoraxklinik, Universitätsklinikum Heidelberg und Translationales Zentrum für Lungenforschung Heidelberg (TLRC), Mitglied des Deutschen Zentrums für Lungenforschung (DZL)
| | - M Lauth
- Institute of Molecular Biology and Tumor Research (IMT), Center for Tumor Biology and Immunology (ZTI), Philipps University Marburg
| | - P Markart
- Universitätsklinikum Gießen und Marburg GmbH; Klinikum Fulda Gag
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Kohutiar M, Eckhardt A, Mikšík I, Šantorová P, Wilhelm J. Proteomic analysis of peroxynitrite-induced protein nitration in isolated beef heart mitochondria. Physiol Res 2018; 67:239-250. [PMID: 29303599 DOI: 10.33549/physiolres.933608] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Mitochondria are exposed to reactive nitrogen species under physiological conditions and even more under several pathologic states. In order to reveal the mechanism of these processes we studied the effects of peroxynitrite on isolated beef heart mitochondria in vitro. Peroxynitrite has the potential to nitrate protein tyrosine moieties, break the peptide bond, and eventually release the membrane proteins into the solution. All these effects were found in our experiments. Mitochondrial proteins were resolved by 2D electrophoresis and the protein nitration was detected by immunochemical methods and by nano LC-MS/MS. Mass spectrometry confirmed nitration of ATP synthase subunit beta, pyruvate dehydrogenase E1 component subunit beta, citrate synthase and acetyl-CoA acetyltransferase. Immunoblot detection using chemiluminiscence showed possible nitration of other proteins such as cytochrome b-c1 complex subunit 1, NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, elongation factor Tu, NADH dehydrogenase [ubiquinone] flavoprotein 2, heat shock protein beta-1 and NADH dehydrogenase [ubiquinone] iron-sulfur protein 8. ATP synthase beta subunit was nitrated both in membrane and in fraction prepared by osmotic lysis. The high sensitivity of proteins to nitration by peroxynitrite is of potential biological importance, as these enzymes are involved in various pathways associated with energy production in the heart.
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Affiliation(s)
- M Kohutiar
- Department of Medical Chemistry and Clinical Biochemistry, Second Faculty of Medicine, Charles University in Prague and Motol University Hospital, Prague, Czech Republic.
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Wilhelm J, Fürll M, Wilhelm K. Vergleichende Betrachtung ausgewählter Blutparameter von Hochleistungskühen bei unterschiedlichen Entnahmestellen. Tierarztl Prax Ausg G Grosstiere Nutztiere 2018. [DOI: 10.1055/s-0038-1623149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Zusammenfassung
Ziel der Arbeit war, die zum Einfluss des Entnahmeortes auf verschiedene Blutparameter vorliegenden unterschiedlichen Angaben in der Literatur an einer größeren Tierzahl zu überprüfen. Ferner sollte die praktische Nutzbarkeit der Blutentnahme aus der Eutervene oder anderer zugänglicher Venen (z. B. Unterschenkel- oder Schwanzvene) im Vergleich zur Halsvene für Stoffwechseluntersuchungen verifiziert werden. Material und Methoden: Blutproben von 92 Kühen und Färsen wurden zu vier unterschiedlichen Zeitpunkten von 3 Wochen ante partum bis 8 Wochen post partum aus der V. jugularis (Halsvene), der V. subcutanea abdominis (Eutervene) sowie den Vv. saphenae externae (Unterschenkelvene) der linken und rechten Hintergliedmaße vergleichend untersucht. Ergebnisse: Für fünf der 16 untersuchten Parameter (freie Fettsäuren, β-Hydroxybutyrat Glukose, Kreatinkinase und Kalzium) zeigten sich abhängig vom Untersuchungszeitpunkt zum Teil hochsignifikante Unterschiede zwischen den Entnahmestellen. Schlussfolgerung und klinische Relevanz: Bei Stoffwechseluntersuchungen, die die oben genannten Parameter einschließen, hat der Blutentnahmeort entscheidenden Einfluss und muss bei der Auswertung berücksichtigt werden. Die Eutervene stellt bei hochleistenden Milchkühen keine Alternative zur Blutentnahme für Stoffwechseluntersuchungen dar. Um aussagekräftige Ergebnisse zu erhalten, muss hierfür trotz des größeren arbeitstechnischen Aufwandes die Halsvene zur Blutentnahme genutzt werden. Eine Ausnahme bildet die Bestimmung der Kreatinkinaseaktivität. Da Abwehrbewegungen im Halsbereich des Tieres die lokale Aktivität zu beeinflussen scheinen, ist hier der Eutervene als Entnahmeort Vorzug zu geben.
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Brodsky MA, Anderson S, Murchison C, Seier M, Wilhelm J, Vederman A, Burchiel KJ. Clinical outcomes of asleep vs awake deep brain stimulation for Parkinson disease. Neurology 2017; 89:1944-1950. [DOI: 10.1212/wnl.0000000000004630] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 08/04/2017] [Indexed: 11/15/2022] Open
Abstract
Objective:To compare motor and nonmotor outcomes at 6 months of asleep deep brain stimulation (DBS) for Parkinson disease (PD) using intraoperative imaging guidance to confirm electrode placement vs awake DBS using microelectrode recording to confirm electrode placement.Methods:DBS candidates with PD referred to Oregon Health & Science University underwent asleep DBS with imaging guidance. Six-month outcomes were compared to those of patients who previously underwent awake DBS by the same surgeon and center. Assessments included an “off”-levodopa Unified Parkinson’s Disease Rating Scale (UPDRS) II and III, the 39-item Parkinson's Disease Questionnaire, motor diaries, and speech fluency.Results:Thirty participants underwent asleep DBS and 39 underwent awake DBS. No difference was observed in improvement of UPDRS III (+14.8 ± 8.9 vs +17.6 ± 12.3 points, p = 0.19) or UPDRS II (+9.3 ± 2.7 vs +7.4 ± 5.8 points, p = 0.16). Improvement in “on” time without dyskinesia was superior in asleep DBS (+6.4 ± 3.0 h/d vs +1.7 ± 1.2 h/d, p = 0.002). Quality of life scores improved in both groups (+18.8 ± 9.4 in awake, +8.9 ± 11.5 in asleep). Improvement in summary index (p = 0.004) and subscores for cognition (p = 0.011) and communication (p < 0.001) were superior in asleep DBS. Speech outcomes were superior in asleep DBS, both in category (+2.77 ± 4.3 points vs −6.31 ± 9.7 points (p = 0.0012) and phonemic fluency (+1.0 ± 8.2 points vs −5.5 ± 9.6 points, p = 0.038).Conclusions:Asleep DBS for PD improved motor outcomes over 6 months on par with or better than awake DBS, was superior with regard to speech fluency and quality of life, and should be an option considered for all patients who are candidates for this treatment.Clinicaltrials.gov identifier:NCT01703598.Classification of evidence:This study provides Class III evidence that for patients with PD undergoing DBS, asleep intraoperative CT imaging–guided implantation is not significantly different from awake microelectrode recording–guided implantation in improving motor outcomes at 6 months.
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Su K, Carter J, Tuck K, Borcich T, Bryans L, Mann L, Wilhelm J, Fromme E. Palliative care for patients with Parkinson’s disease: an interdisciplinary review and next step model. ACTA ACUST UNITED AC 2017. [DOI: 10.2147/jprls.s106184] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Wilhelm J, Toland M, Cole M. Evaluating Middle School Students’ Spatial-Scientific Performance within Earth/Space Astronomy in Terms of Gender and Race/Ethnicity. Journal of Education in Science, Environment and Health 2016. [DOI: 10.21891/jeseh.275681] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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20
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Veith C, Kraut S, Wilhelm J, Sommer N, Quanz K, Seeger W, Brandes RP, Weissmann N, Schröder K. NADPH oxidase 4 is not involved in hypoxia-induced pulmonary hypertension. Pulm Circ 2016; 6:397-400. [PMID: 27683617 DOI: 10.1086/687756] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Affiliation(s)
- C Veith
- Universities of Giessen and Marburg Lung Center (UGMLC), member of the German Center for Lung Research (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Germany
| | - S Kraut
- UGMLC, member of the DZL, ECCPS, Giessen, Germany
| | - J Wilhelm
- UGMLC, member of the DZL, ECCPS, Giessen, Germany
| | - N Sommer
- UGMLC, member of the DZL, ECCPS, Giessen, Germany
| | - K Quanz
- UGMLC, member of the DZL, ECCPS, Giessen, Germany
| | - W Seeger
- UGMLC, member of the DZL, ECCPS, Giessen, Germany
| | - R P Brandes
- Institute for Cardiovascular Physiology, Goethe University Frankfurt, ECCPS, Frankfurt, Germany
| | - N Weissmann
- UGMLC, member of the DZL, ECCPS, Giessen, Germany
| | - K Schröder
- Institute for Cardiovascular Physiology, Goethe University Frankfurt, ECCPS, Frankfurt, Germany
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Muratore S, Zeng X, Korc M, McElyea S, Wilhelm J, Bellin M, Beilman G. Metastatic Pancreatic Adenocarcinoma After Total Pancreatectomy Islet Autotransplantation for Chronic Pancreatitis. Am J Transplant 2016; 16:2747-52. [PMID: 27137483 PMCID: PMC5007168 DOI: 10.1111/ajt.13851] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 04/21/2016] [Indexed: 01/25/2023]
Abstract
Total pancreatectomy with islet autotransplantation (TPIAT) is being used increasingly as a definitive treatment for chronic pancreatitis. Patients with chronic pancreatitis have an elevated risk of pancreatic cancer, which can also masquerade as acute or chronic pancreatitis, making the diagnosis challenging. We describe here the first case of pancreatic ductal adenocarcinoma developing in the liver of a patient after TPIAT for presumed benign chronic pancreatitis. Retrospective analysis of the patient's preoperative serum revealed normal carbohydrate antigen 19-9 and carcinoembryonic antigen levels but elevated levels of microRNAs -10b, -30c, and -106b compared with controls. Screening guidelines are important to reduce the risk of transplantation of malignant tissue. More sensitive screening tools, including the potential use of microRNAs, are needed to detect early preclinical disease, given the highly malignant nature of pancreatic cancer.
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Affiliation(s)
- S. Muratore
- Department of Surgery, University of Minnesota, Minneapolis, MN,Corresponding author: Sydne Muratore,
| | - X. Zeng
- Department of Surgery, University of Minnesota, Minneapolis, MN
| | - M. Korc
- Department of Medicine and the Pancreatic Cancer Signature Center, Indiana University School of Medicine, Indianapolis, IN
| | - S. McElyea
- Department of Medicine and the Pancreatic Cancer Signature Center, Indiana University School of Medicine, Indianapolis, IN
| | - J. Wilhelm
- Department of Surgery, University of Minnesota, Minneapolis, MN
| | - M. Bellin
- Department of Endocrinology, University of Minnesota, Minneapolis, MN
| | - G. Beilman
- Department of Surgery, University of Minnesota, Minneapolis, MN
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Kosinska MK, Mastbergen SC, Liebisch G, Wilhelm J, Dettmeyer RB, Ishaque B, Rickert M, Schmitz G, Lafeber FP, Steinmeyer J. Comparative lipidomic analysis of synovial fluid in human and canine osteoarthritis. Osteoarthritis Cartilage 2016; 24:1470-8. [PMID: 27049029 DOI: 10.1016/j.joca.2016.03.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 02/17/2016] [Accepted: 03/25/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The lipid profile of synovial fluid (SF) is related to the health status of joints. The early stages of human osteoarthritis (OA) are poorly understood, which larger animals are expected to be able to model closely. This study examined whether the canine groove model of OA represents early OA in humans based on the changes in the lipid species profile in SF. Furthermore, the SF lipidomes of humans and dogs were compared to determine how closely canine lipid species profiles reflect the human lipidome. METHODS Lipids were extracted from cell- and cellular debris-free knee SF from nine donors with healthy joints, 17 patients with early and 13 patients with late osteoarthritic changes, and nine dogs with knee OA and healthy contralateral joints. Lipid species were quantified by electrospray ionization tandem mass spectrometry (ESI-MS/MS). RESULTS Compared with control canine SF most lipid species were elevated in canine OA SF. Moreover, the lipid species profiles in the canine OA model resembled early OA profiles in humans. The SF lipidomes between dog and human were generally similar, with differences in certain lipid species in the phosphatidylcholine (PC), lysophosphatidylcholine (LPC) and sphingomyelin (SM) classes. CONCLUSIONS Our lipidomic analysis demonstrates that SF in the canine OA model closely mimics the early osteoarthritic changes that occur in humans. Further, the canine SF lipidome often reflects normal human lipid metabolism.
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Affiliation(s)
- M K Kosinska
- Laboratory for Experimental Orthopaedics, Department of Orthopaedics, Justus-Liebig-University Giessen, Germany.
| | - S C Mastbergen
- Department of Rheumatology and Clinical Immunology, University Medical Centre Utrecht, Utrecht, The Netherlands.
| | - G Liebisch
- Department of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Germany.
| | - J Wilhelm
- Medical Clinic II/IV, Justus-Liebig-University Giessen, Germany.
| | - R B Dettmeyer
- Institute of Forensic Medicine, Justus-Liebig-University Giessen, Germany.
| | - B Ishaque
- Laboratory for Experimental Orthopaedics, Department of Orthopaedics, Justus-Liebig-University Giessen, Germany.
| | - M Rickert
- Laboratory for Experimental Orthopaedics, Department of Orthopaedics, Justus-Liebig-University Giessen, Germany.
| | - G Schmitz
- Department of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Germany.
| | - F P Lafeber
- Department of Rheumatology and Clinical Immunology, University Medical Centre Utrecht, Utrecht, The Netherlands.
| | - J Steinmeyer
- Laboratory for Experimental Orthopaedics, Department of Orthopaedics, Justus-Liebig-University Giessen, Germany.
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Kohutiar M, Ivica J, Vytášek R, Skoumalová A, Illner J, Šantorová P, Wilhelm J. Comparison of the effects of tert-butyl hydroperoxide and peroxynitrite on the oxidative damage to isolated beef heart mitochondria. Physiol Res 2016; 65:617-626. [PMID: 26988158 DOI: 10.33549/physiolres.933175] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Isolated beef heart mitochondria have been exposed to tert-butyl hydroperoxide (tBHP) and peroxynitrite (PeN) in order to model the effects of reactive oxygen and nitrogen species on mitochondria in vivo. The formation of malondialdehyde (MDA), protein carbonyls, lipofuscin-like pigments (LFP), and nitrotyrosine was studied during incubations with various concentrations of oxidants for up to 24 h. The oxidants differed in their ability to oxidize particular substrates. Fatty acids were more sensitive to the low concentrations of tBHP, whereas higher concentrations of PeN consumed MDA. Oxidation of proteins producing carbonyls had different kinetics and also a probable mechanism with tBHP or PeN. Diverse proteins were affected by tBHP or PeN. In both cases, prolonged incubation led to the appearance of proteins with molecular weights lower than 29 kDa bearing carbonyl groups that might have been caused by protein fragmentation. PeN induced nitration of protein tyrosines that was more intensive in the soluble proteins than in the insoluble ones. LFP, the end products of lipid peroxidation, were formed more readily by PeN. On the other hand, fluorometric and chromatographic techniques have confirmed destruction of LFP by higher PeN concentrations. This is a unique feature that has not been described so far for any oxidant.
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Affiliation(s)
- M Kohutiar
- Department of Medical Chemistry and Clinical Biochemistry, Second Faculty of Medicine, Charles University in Prague and Motol University Hospital, Prague, Prague, Czech Republic.
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Krüger K, Dischereit G, Seimetz M, Wilhelm J, Weissmann N, Mooren FC. Time course of cigarette smoke-induced changes of systemic inflammation and muscle structure. Am J Physiol Lung Cell Mol Physiol 2015; 309:L119-28. [PMID: 26001775 DOI: 10.1152/ajplung.00074.2015] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 05/14/2015] [Indexed: 11/22/2022] Open
Abstract
It has become more evident that long-term cigarette smoking (LTCS) has an important extrapulmonary toxicity. The aim of the study was to investigate the time-dependent effects of cigarette smoke exposure on exercise capacity, markers of systemic inflammation, and skeletal muscle structure. c57bl/6j-mice were either exposed to mainstream cigarette smoke for 6 h/day, 5 days/wk [smoke-exposed (SE) group] or assigned to the control, unexposed group (Con group). SE group mice were exposed for 8, 16, 24, and 32 wk to smoke and unexposed Con mice were used as age-matched controls. Exercise capacity was investigated by spiroergometry. Systemic inflammatory status was analyzed by flow cytometry and multiplexed fluorescent immunoassay. For analysis of muscle tissue, histological techniques and microarray analysis were used. Mice of the SE group exhibited a lower increase of body mass and a decrease of V̇o2 max (P < 0.05). An increase of lymphocyte CD62, ICAM, and VCAM expression was found in SE mice (P < 0.05). A biphasic trend of protein up- and downregulation was observed in markers of systemic inflammation, tissue deterioration, and allergic reactions such as C-reactive protein (CRP), eotaxin, haptoglobin, macrophage colony-stimulating factor-1 (M-CSF-1), and macrophage inflammatory protein-1γ (MIP-1γ). Thereby, the expression of several chemotactic proteins in plasma correlated with their expression in muscle. A time-dependent decrease of muscle mass, oxidative type-I fibers, and muscle cross-sectional area was found (P < 0.05). Microarray analysis revealed a SE-induced upregulation of several pathways of metabolic processes and tissue degradation. Taken together it was found that the loss of exercise capacity and systemic inflammation are early events of SE, which might induce muscular atrophy and loss of oxidative muscle capacity.
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Affiliation(s)
- K Krüger
- Department of Sports Medicine, Justus Liebig-University Giessen, Giessen, Germany; and
| | - G Dischereit
- Department of Sports Medicine, Justus Liebig-University Giessen, Giessen, Germany; and
| | - M Seimetz
- Excellence Cluster Cardio-Pulmonary System, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research, Giessen, Germany
| | - J Wilhelm
- Excellence Cluster Cardio-Pulmonary System, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research, Giessen, Germany
| | - N Weissmann
- Excellence Cluster Cardio-Pulmonary System, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research, Giessen, Germany
| | - F C Mooren
- Department of Sports Medicine, Justus Liebig-University Giessen, Giessen, Germany; and
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Wilhelm K, Wilhelm J, Fürll M. Use of thermography to monitor sole haemorrhages and temperature distribution over the claws of dairy cattle. Vet Rec 2015; 176:146. [DOI: 10.1136/vr.101547] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- K. Wilhelm
- Veterinary Practice of Dr. Wilhelm; Plauen Germany
| | - J. Wilhelm
- Veterinary Practice of Dr. Wilhelm; Plauen Germany
| | - M. Fürll
- Faculty of Veterinary Medicine; Large Animal Clinic for Internal Medicine, University of Leipzig; Leipzig Germany
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Banat GA, Tretyn A, Pullamsetti SS, Wilhelm J, Weigert A, Ebel K, Stiewe T, Grimminger F, Seeger W, Fink L, Savai R. Immune and Inflammatory Cell Composition of Human Lung Cancer Stroma. Pneumologie 2015. [DOI: 10.1055/s-0035-1544728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Niemann B, Sheybani B, Rohrbach S, Grieshaber P, Möller A, Sommerbeck S, Schefranek I, Wilhelm J, Böning A. Dual Platelet Inhibition before Cardiac Surgery - Perioperative Prospective Analysis in 499 Patients. Thorac Cardiovasc Surg 2015. [DOI: 10.1055/s-0035-1544342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Niemann B, Sheybani B, Rohrbach S, Grieshaber P, Möller A, Sommerbeck S, Schefranek I, Wilhelm J, Böning A. The Postoperative Transition Syndrome - Prospective Analysis of Independent Predictors in 499 Patients. Thorac Cardiovasc Surg 2015. [DOI: 10.1055/s-0035-1544278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Kaulen SA, Hübner C, Mieth J, Spindler K, Schwab R, Wimmer R, Wilhelm J, Amoury M, Girndt M, Werdan K, Ebelt H. [Indocyanine green elimination for the evaluation of liver function: prognostic value in patients with community-acquired sepsis]. Med Klin Intensivmed Notfmed 2014; 109:531-40. [PMID: 25179001 DOI: 10.1007/s00063-014-0374-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Revised: 02/26/2014] [Accepted: 04/06/2014] [Indexed: 01/06/2023]
Abstract
BACKGROUND The aim of our clinical study was to correlate liver function measured by indocyanine green (ICG) elimination and clinical outcomes in patients with an early stage of community-acquired sepsis (CAS). MATERIALS AND METHODS A total of 341 patients (≥ 18 years) presenting with suspicion of CAS or evidence of an infection and fulfillment of ≥ 2 systemic inflammatory response syndrome (SIRS) criteria were included in the observational study"Prognosis of early sepsis 2" (Prognose der frühen Sepsis 2, ProFS 2). Patients who had been hospitalized within the last 7 days were excluded. In a subgroup of these patients (n = 72) who were transferred to an intensive or intermediate care unit according to the clinical judgment of the treating physicians, ICG elimination (plasma disappearance rate, ICG-PDR; 15 min retention rate, ICG-R15) was assessed by using a noninvasive monitoring system (LiMON, PULSION Medical Systems, Germany). ICG-PDR and -R15 were determined on the day of admission (n = 72) and after 96 h (n = 34). The primary end point of the study was defined as death within 30 days. Secondary endpoints were need for renal replacement therapy, requirement for invasive mechanical ventilation, and length of stay in an intermediate or intensive care unit. RESULTS AND CONCLUSION In contrast to patients with sepsis or severe sepsis, ICG elimination was found to be significantly impaired in patients with septic shock. Furthermore, a significant predictive value of ICG-PDR and -R15 on the day of admission for the need for subsequent renal replacement therapy (n = 12) was observed. In addition, reduced ICG elimination was associated with a longer stay in an intermediate or intensive care unit. However, ICG elimination on admission could not predict 30-day mortality (n = 14) or requirement of mechanical ventilation (n = 20).
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Affiliation(s)
- S A Kaulen
- Universitätsklinik und Poliklinik für Innere Medizin III, Universitätsklinikum Halle (Saale), Ernst-Grube-Str. 40, 06097, Halle (Saale), Deutschland,
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MacKenzie B, Al Alam D, Henneke I, El Agha E, Quantius J, Chao CM, Wilhelm J, Königshoff M, Herold S, Klepetko W, Günther A, Seeger W, Bellusci S. Endogenous Fgfr2b ligands are dispensable for fibrosis formation and resolution in bleomycin-injured mice. Pneumologie 2014. [DOI: 10.1055/s-0034-1376802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Weisel F, Kloepping C, Pichl A, Sydykov A, Kojonazarov B, Wilhelm J, Roth M, Ridge K, Ghofrani HA, Schermuly R, Grimminger F, Seeger W, Weißmann N, Kwapiszewska G. Die Rolle von AMD-1 in vaskulären Umbauprozessen bei pulmonaler Hypertonie. Pneumologie 2013. [DOI: 10.1055/s-0033-1344711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- F. Weisel
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - C. Kloepping
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - A. Pichl
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - A. Sydykov
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - B. Kojonazarov
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - J. Wilhelm
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - M. Roth
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - K. Ridge
- Division of Pulmonary and Critical Care Medicine Northwestern University, Chicago, Illinois, USA,
| | - H.-A. Ghofrani
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - R. Schermuly
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - F. Grimminger
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - W. Seeger
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - N. Weißmann
- Universities of Giessen and Marburg Lung Center (UGMLC), Deutsches Zentrum für Lungenforschung (DZL), Excellence Cluster Cardio-Pulmonary System (ECCPS), Giessen, Deutschland,
| | - G. Kwapiszewska
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Österreich
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Hüttemann M, Shipkova M, Klett C, Hasche G, Wilhelm J, Bolley R, Olbricht C, Wieland E. Total and Free Plasma Concentrations of the Active Metabolite of Leflunomide in Relation to Therapeutic Outcome in Kidney Transplant Recipients With BK-Virus Nephropathy. Transplant Proc 2013; 45:1611-3. [DOI: 10.1016/j.transproceed.2012.12.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2012] [Accepted: 12/04/2012] [Indexed: 11/24/2022]
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Roth P, Niemann B, Budak M, Wilhelm J, Böning A. Gender matched homograft tissues yield better survival after surgery. Thorac Cardiovasc Surg 2013. [DOI: 10.1055/s-0032-1332371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Wilhelm K, Wilhelm J, Fürll M. [Comparative examination of selected blood parameters from different sampling sites in high yielding cows. Practical usability of blood sampling from the udder vein for metabolic analyses]. Tierarztl Prax Ausg G Grosstiere Nutztiere 2013; 41:7-14. [PMID: 23403755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2012] [Accepted: 07/04/2012] [Indexed: 06/01/2023]
Abstract
OBJECTIVE The aim of the present study was to evaluate different statements in the literature on the influence of the sampling site on various blood parameters in a larger amount of animals. In addition, the practical usability of blood sampling from the udder vein or other accessible veins (e. g. saphenous vein or tail vein) in comparison to the jugular vein for metabolic analyses should be verified. MATERIAL AND METHODS For this purpose blood samples from 92 cows and heifers were taken from the jugular vein, the udder vein and the saphenous vein of the left and right hind limb at four different time points (from 3 weeks ante partum until 8 weeks post partum) and comparatively investigated. RESULTS For five of the 16 investigated parameters (free fatty acids, beta-hydroxybutyrate, glucose, creatine kinase, and calcium) partially high significant differences between the sampling sites became apparent, dependant on the moment of analysis. CONCLUSION AND CLINICAL RELEVANCE In metabolic analyses, which comprise the aforementioned parameters, the blood sampling site has decisively influence and has to be considered in the interpretation. The udder vein represents no alternative for blood sampling in high yielding cows for metabolic analyses. For obtaining meaningful results, the jugular vein has to be used for blood sampling, despite the higher procedural effort. An exception is the determination of the creatine kinase activity. Since defence movements of the animal's neck seem to have an influence on the local activity, the udder vein should be preferred as sampling site.
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Affiliation(s)
- K Wilhelm
- Dr. Katrin Wilhelm, Tierarztpraxis Dr. Wilhelm, Gut Reusa 3, 08529 Plauen.
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Hettwer S, Wilhelm J, Schürmann M, Ebelt H, Hammer D, Amoury M, Hofmann F, Oehme A, Wilhelms D, Kekulé AS, Klöss T, Werdan K. Microbial diagnostics in patients with presumed severe infection in the emergency department. Med Klin Intensivmed Notfmed 2012; 107:53-62. [PMID: 22349478 DOI: 10.1007/s00063-011-0051-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Sepsis in the early stage is a common disease in emergency medicine, and rapid diagnosis is essential. Our aim was to compare pathogen diagnosis using blood cultures (BC) and the multiplex polymerase chain reaction (PCR) test.Methods. At total of 211 patients admitted to the multidisciplinary emergency department of our university hospital between 2006 and 2009 with suspected severe infection from any origin were studied. Blood samples for BC (aerobic and anaerobic) and multiplex PCR were taken for identification of infectious microorganisms immediately after hospital admission. Results of the BC and PCR correlated with procalcitonin concentration (PCT) and clinical diagnosis of sepsis (≥2 positive SIRS criteria) as well as with severity of disease at admission and with clinical outcome measures. RESULTS Results of the BC were available in 200 patients (94.8%) and PCR were available in 119 patients (56.3%), respectively. In total, 87 BC (43.5%) were positive and identified 94 pathogens. In 45 positive PCRs, 47 pathogens (37.8%) were found. Identical results were obtained in 81.4%. In addition, BC identified 9 Gram-positive and 3 Gram-negative bacteria, while PCR added 5 Gram-negative pathogens. Coagulase-negative staphylococci were detected in blood cultures only (n=20, 21.3%), whereas PCR identified significantly more Gram-negative bacteria than BC. In patients with positive PCR results, the PCT level was significantly higher than in patients with negative PCR (15.0±23.3 vs. 8.8±32.8 ng/ml, p<0.001). This difference was not observed for BC (10.6±25.7 vs. 11.6±44.9 ng/ml, p=0.075). The APACHE II score correlated with PCR (19.2±9.1 vs. 15.8±8.9, p<0.05) and was also higher in positive BC (18.7±8.7 vs. 14.4±8.0, p<0.01). Positive PCR and BC were correlated with negative clinical outcomes (e.g., transfer to ICU, mechanical ventilation, renal replacement therapy, death). CONCLUSION In patients admitted with suspected severe infection, a high percentage of positive BC and PCR were observed. Positive findings in the PCR correlate with elevated levels of PCT and high APACHE II scores.
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Affiliation(s)
- S Hettwer
- Department of Medicine III (Cardiology, Angiology and Medical Intensive Care Medicine), University Clinics Halle Ernst-Grube-Str. 40, 06097 Halle (Saale).
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Snorek M, Hodyc D, Sedivý V, Durišová J, Skoumalová A, Wilhelm J, Neckář J, Kolář F, Herget J. Short-term fasting reduces the extent of myocardial infarction and incidence of reperfusion arrhythmias in rats. Physiol Res 2012; 61:567-74. [PMID: 23098657 DOI: 10.33549/physiolres.932338] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
The effect of three-day fasting on cardiac ischemic tolerance was investigated in adult male Wistar rats. Anesthetized open-chest animals (pentobarbitone 60 mg/kg, i.p.) were subjected to 20-min left anterior descending coronary artery occlusion and 3-h reperfusion for infarct size determination. Ventricular arrhythmias were monitored during ischemia and at the beginning (3 min) of reperfusion. Myocardial concentrations of beta-hydroxybutyrate and acetoacetate were measured to assess mitochondrial redox state. Short-term fasting limited the infarct size (48.5+/-3.3 % of the area at risk) compared to controls (74.3+/-2.2 %) and reduced the total number of premature ventricular complexes (12.5+/-5.8) compared to controls (194.9+/-21.9) as well as the duration of ventricular tachycardia (0.6+/-0.4 s vs. 18.8+/-2.5 s) occurring at early reperfusion. Additionally, fasting increased the concentration of beta-hydroxybutyrate and beta-hydroxybutyrate/acetoacetate ratio (87.8+/-27.0) compared to controls (7.9+/-1.7), reflecting altered mitochondrial redox state. It is concluded that three-day fasting effectively protected rat hearts against major endpoints of acute I/R injury. Further studies are needed to find out whether these beneficial effects can be linked to altered mitochondrial redox state resulting from increased ketogenesis.
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Affiliation(s)
- M Snorek
- Department of Physiology, Second Faculty of Medicine, Charles University, Prague, Czech Republic.
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Wilhelm J, Hettwer S, Hammer D, Schürmann M, Christoph A, Amoury M, Klöss T, Finke R, Ebelt H, Werdan K. Outcome prediction using clinical scores and biomarkers in patients with presumed severe infection in the emergency department. Med Klin Intensivmed Notfmed 2012; 107:558-63. [PMID: 22875037 DOI: 10.1007/s00063-012-0147-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2012] [Revised: 05/23/2012] [Accepted: 07/03/2012] [Indexed: 12/21/2022]
Abstract
BACKGROUND Severe infections play an important role in the emergency department (ED) and early risk stratification is essential. We compared the prognostic value of APACHE II, SOFA, and MEDS scores, and the biomarkers C-reactive protein (CRP), procalcitonin (PCT), and interleukin 6 (IL-6). METHODS We performed a prospective observational study. Patients aged 18 years or older with a severe infection, from whom blood cultures were taken, were included. RESULTS Two hundred and eleven patients were included. The 30-day mortality rate was 8.5%. All scores and biomarkers showed significant area under the curve (AUC) values of receiver operating characteristic curve analysis for death within 30 days: 0.801 for APACHE II, 0.785 for MEDS, 0.708 for SOFA, 0.693 for CRP, 0.651 for PCT, and 0.716 for IL-6. For treatment in an ICU and need for mechanical ventilation, these parameters had significant AUC values, too. For renal replacement therapy, only APACHE II, SOFA, and PCT showed significant AUC values. According to the trend observed, the AUC values were highest for the APACHE II score. CONCLUSIONS All investigated parameters have a predictive value in patients with an infection in the ED. According to the trend observed, the APACHE II score seems to have the best discriminative power. Use of the APACHE II score already at the time of admission to the ED may be useful for stratifying patients at risk for ICU treatment, thereby using the same score in the ED and the ICU.
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Affiliation(s)
- J Wilhelm
- Department of Medicine III, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Ernst-Grube-Strasse 40, Halle (Saale), Germany.
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Abstract
Increased generation of reactive oxygen species results in the formation of fluorescent end-products of lipid peroxidation - lipofuscin-like pigments (LFP). LFP increased up to six-fold from the fetal value in the rat heart immediately after birth. In the experimental design of this study the fetuses were sampled 1 day before birth, and then the samples were collected on postnatal days 1, 4, 7, 10, 15, 30, and 60. Males and females were compared on day 30 and 60 when the difference between right and left ventricle was studied as well. Four LFP fluorophores were analyzed: F355/440, F310/470, F350/450, F315/450 (excitation/emission, nm). All fluorophores decreased on day 4 relative to day 1, subsequent transient increases ended in a significant decrease on day 60. However, the LFP levels on day 60 are still about threefold higher than those in fetuses. Differences between male and female hearts were observed on day 30. The corresponding male ventricles contained by one third higher concentration of LFP than the female counterparts. The increase in LFP concentration in male ventricles on day 30 was only transient, no difference between corresponding male and female ventricles was found on day 60. The most distinguished feature in the male heart was a sharp LFP decrease in the right ventricle on day 60.
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Affiliation(s)
- J Wilhelm
- Centre for Cardiovascular Research, Prague, Czech Republic.
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Piskulak K, Henneke I, Wilhelm J, Bellusci S, Seeger W, Günther A, Ruppert C. Regulation and role of notch signaling in epithelial progenitor cell differentiation and proliferation in the normal and the fibrotic lung. Pneumologie 2012. [DOI: 10.1055/s-0032-1315514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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MacKenzie B, El Agha E, Al Alam D, Goth K, Wilhelm J, Fink L, Königshoff M, Günther A, Bellusci S. The Role of Fibroblast Growth Factors in Idiopathic Lung Fibrosis. Pneumologie 2012. [DOI: 10.1055/s-0032-1315521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Skoumalová A, Ivica J, Šantorová P, Topinková E, Wilhelm J. Corrigendum to “The lipid peroxidation products as possible markers of Alzheimer's disease in blood” [Experimental Gerontology 46 (2011) 38–42]. Exp Gerontol 2012. [DOI: 10.1016/j.exger.2012.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Pullamsetti SS, Banat GA, Schmall A, Szibor M, Pomagruk D, Hänze J, Kolosionek E, Wilhelm J, Braun T, Grimminger F, Seeger W, Schermuly RT, Savai R. Phosphodiesterase-4 promotes proliferation and angiogenesis of lung cancer by crosstalk with HIF. Oncogene 2012; 32:1121-34. [PMID: 22525277 DOI: 10.1038/onc.2012.136] [Citation(s) in RCA: 108] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Lung cancer is the leading cause of cancer death worldwide. Recent data suggest that cyclic nucleotide phosphodiesterases (PDEs) are relevant in various cancer pathologies. Pathophysiological role of phosphodiesterase 4 (PDE4) with possible therapeutic prospects in lung cancer was investigated. We exposed 10 different lung cancer cell lines (adenocarcinoma, squamous and large cell carcinoma) to hypoxia and assessed expression and activity of PDE4 by real-time PCR, immunocytochemistry, western blotting and PDE activity assays. Expression and activity of distinct PDE4 isoforms (PDE4A and PDE4D) increased in response to hypoxia in eight of the studied cell lines. Furthermore, we analyzed various in silico predicted hypoxia-responsive elements (p-HREs) found in in PDE4A and PDE4D genes. Performing mutation analysis of the p-HRE in luciferase reporter constructs, we identified four functional HRE sites in the PDE4A gene and two functional HRE sites in the PDE4D gene that mediated hypoxic induction of the reporter. Silencing of hypoxia-inducible factor subunits (HIF1α and HIF2α) by small interfering RNA reduced hypoxic induction of PDE4A and PDE4D. Vice versa, using a PDE4 inhibitor (PDE4i) as a cyclic adenosine monophosphate (cAMP) -elevating agent, cAMP analogs or protein kinase A (PKA)-modulating drugs and an exchange protein directly activated by cAMP (EPAC) activator, we demonstrated that PDE4-cAMP-PKA/EPAC axis enhanced HIF signaling as measured by HRE reporter gene assay, HIF and HIF target genes expression ((lactate dehydrogenase A), LDHA, (pyruvate dehydrogenase kinase 1) PDK1 and (vascular endothelial growth factor A) VEGFA). Notably, inhibition of PDE4 by PDE4i or silencing of PDE4A and PDE4D reduced human lung tumor cell proliferation and colony formation. On the other hand, overexpression of PDE4A or PDE4D increased human lung cancer proliferation. Moreover, PDE4i treatment reduced hypoxia-induced VEGF secretion in human cells. In vivo, PDE4i inhibited tumor xenograft growth in nude mice by attenuating proliferation and angiogenesis. Our findings suggest that PDE4 is expressed in lung cancer, crosstalks with HIF signaling and promotes lung cancer progression. Thus, PDE4 may represent a therapeutic target for lung cancer therapy.
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Affiliation(s)
- S S Pullamsetti
- Department of Lung Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany
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Grimley M, Marsh R, Bleesing J, Mehta P, Jodele S, Kumar A, Jordan M, Edwards S, Kennedy R, Wilhelm J, Myers K, Anderson M, Painter W, Filipovich A, Davies S. CMX001 in the Peri-Engraftment Period Does Not Impair Neutrophil Recovery in Pediatric Allogeneic Hematopoietic Stem Cell Recipients. Biol Blood Marrow Transplant 2012. [DOI: 10.1016/j.bbmt.2011.12.289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Wilhelm J, Heberlein A, Frieling H, Kornhuber J, Bleich S, Hillemacher T. Association of prolactin serum levels and severity of alcohol dependence and withdrawal symptoms. Pharmacopsychiatry 2011. [DOI: 10.1055/s-0031-1292560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Eberlein CK, Buchholz V, Rhein M, Wilhelm J, Kornhuber J, de Zwaan M, Bleich S, Frieling H. How the serotonin transporter gene (SLC6A4) shapes the phenotype in eating disorders: a role for genotype and promoter methylation. Pharmacopsychiatry 2011. [DOI: 10.1055/s-0031-1292469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Wrzosek M, Lukaszkiewicz J, Jakubczyk A, Wrzosek M, Matsumoto H, Wojnar M, Lee J, Lee B, Choi M, Chai Y, Choi I, Janu L, Rackova S, Horacek J, Sanchez-Catalan M, Hipolito L, Marti-Prats L, Orrico A, Zornoza T, Granero L, Polache A, Marti-Prats L, Sanchez-Catalan M, Orrico A, Hipolito L, Zornoza T, Polache A, Granero L, Sanchez-Catalan M, Marti-Prats L, Hipolito L, Orrico A, Zornoza T, Granero L, Polache A, Milivojevic V, Kranzler HR, Covault J, Glahn A, Wenzel C, Wilhelm J, Frieling H, Heberlein A, Bleich S, Hillemacher T, Colombo G, Lobina C, Carai MAM, Gessa G, Cacciaglia R, Loche A, Kuthcer E, Egorov A, Filatova E, Kulagina K, Filatova EV, Kuther E, Kulagina K, Egorov AY, Loi B, Lobina C, Maccioni P, Carai MAM, Gessa G, Colombo G, Ledesma J, Aragon CMG, Quoilin C, Didone V, Quertemont E, Kemppainen H, Raivio N, Kiianmaa K, Pascual-Mora M, Couto BRD, Minarro J, Guerri C, Alfonso-Loeches S, Pascual-Mora M, Urena-Peralta J, Pascual-Lucas M, Morillo MJ, Renau-Piqueras J, Guerri C, Marin M, Esteban-Pretel G, Ponsoda X, Romero A, Ballestin R, Lopez C, Megias L, Timoneda J, Molowni A, Renau-Piqueras J, Escrig MA, Aragon CMG, Raivio N, Tiraboschi E, Saarikoski ST, Castren E, Kiianmaa K, Tarragon E, Balino P, Aragon CM, Camarini R, Soares SL, Carrara-Nascimento PF, Godinho RO, Scavone C, Tarragon E, Aragon CM, Balino P, Aragon CM, Kanuri G, Kreusch F, Quertement E, Closon C, Didone V, Masson S, Seutin V, Quertemont E, Durazzo TC, Fryer SL, Hutchison KE, Mon A, Meyerhoff DJ, Nummi KP, Salaspuro M, Vakevainen S, Ukai W, Shirasaka T, Hashimoto E, Yoshinaga T, Kaneta H, Kigawa M, Igarashi T, Watanabe K, Tateno M, Ishii T, Saito T, Lallemand F, Ward RJ, De Witte P, Verbank P, Fiore M, Ceccanti M, Ceccanti M. POSTER SESSION 1: BASIC RESEARCH AND INTERNAL MEDICINE * BASIC RESEARCH * P01 * ASSOCIATION BETWEEN FOK I VITAMIN D RECEPTOR (VDR) GENE POLYMORPHISM AND IMPULSIVENESS IN ALCOHOL-DEPENDENT PATIENTS. Alcohol Alcohol 2011. [DOI: 10.1093/alcalc/agr117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Wilhelm J, Issa H, Behrmann C, Werdan K, Heinroth K. Atypical course of a persistent left superior vena cava through the left atrium. European Journal of Echocardiography 2011; 12:635. [DOI: 10.1093/ejechocard/jer075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Szalay Z, Wilhelm J, Ziegelhoeffer T, Rolf A, Skwara W, Schoenburg M. Intraluminal chondrosarcoma leading to occlusion of the brachiocephalic trunk. Thorac Cardiovasc Surg 2011; 59:177-9. [PMID: 21480142 DOI: 10.1055/s-0030-1250348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
A 62-year-old female patient was admitted with temporary neurological symptoms. CT scan revealed occlusion of the brachiocephalic trunk by an intraluminal mass suspicious for a thrombus and extending into the ascending aorta. The patient underwent aortic arch replacement with reinsertion of the supraaortic vessels. A 5 × 3 × 4 cm large mass was found in the aorta which had obviously caused occlusion of the brachiocephalic trunk. The patient had an uneventful postoperative recovery and follow-up imaging showed no pathological findings. Histopathological examination revealed inhomogeneous chondroid tissue such as that found in a G2 grade bone chondrosarcoma.
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Affiliation(s)
- Z Szalay
- Department of Cardiovascular Surgery, Kerckhoff Heart Center, Bad Nauheim, Germany.
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Wilhelm J, Hettwer S, Schürmann M, Bagger S, Gerhardt F, Mundt S, Muschick S, Zimmermann J, Ebelt H, Werdan K. Afterload-related cardiac performance: a hemodynamic parameter with prognostic relevance in patients with sepsis in the Emergency Department. Crit Care 2011. [PMCID: PMC3061701 DOI: 10.1186/cc9491] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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