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Beischl S, Harrasser N, Toepfer A, Scheele C, Smits Sererna R, Walther M, Lenze F, Hörterer H. Feasibility and safety of minimally invasive calcaneal osteotomy (MICO) through a medial approach: a case-control study. Orthopadie (Heidelb) 2024; 53:39-46. [PMID: 38078936 PMCID: PMC10781868 DOI: 10.1007/s00132-023-04460-9] [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] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/31/2023] [Indexed: 01/11/2024]
Abstract
INTRODUCTION Minimally invasive calcaneal osteotomy (MICO) is already an established surgical procedure for correcting hindfoot deformities using a lateral approach. So far, no description of a medial approach for MICO has been published. MATERIAL AND METHODS Between August 2022 and March 2023, 32 consecutive patients (MICO with medial approach, MMICO: n = 15; MICO with lateral approach, LMICO: n = 17) underwent MICO as part of complex reconstructive surgery of the foot and ankle with concomitant procedures. The amount of correction in the axial view of the calcaneus and consolidation rates were evaluated radiographically. Subjective satisfaction, stiffness of the subtalar joint, and pain level (numeric rating scale, NRS) at the level of the heel were assessed clinically. The last follow-up was at 6 months. RESULTS All osteotomies consolidated within 6 months after surgery. Displacement of the tuber was 9 mm on average in either group. Relevant subtalar joint stiffness was detected in 5 MMICO and 6 LMICO patients. No relevant differences between the groups were detected for wound healing problems, nerve damage, heel pain or patient satisfaction. CONCLUSION In this study lateral and medial approaches for MICO were performed. Similar degrees of correction and low complication rates were found in both groups. The medial approach for MICO is safe and can be beneficial regarding patient positioning and arrangement of the C‑arm.
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Affiliation(s)
- S Beischl
- Clinic of Orthopaedics, Klinikum rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany
| | - N Harrasser
- Clinic of Orthopaedics, Klinikum rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany.
| | - A Toepfer
- Orthopaedics and Traumatology, Kantonsspital St. Gallen, Rorschacher Straße 95, 9007, St. Gallen, Switzerland
| | - C Scheele
- Clinic of Orthopaedics, Klinikum rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany
| | - R Smits Sererna
- Clinic of Orthopaedics, Klinikum rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany
| | - M Walther
- Center for Foot and Ankle Surgery, Schön Clinic Munich Harlaching - FIFA Medical Centre, Harlachinger Straße 51, 81547, Munich, Germany
| | - F Lenze
- Clinic of Orthopaedics, Klinikum rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany
| | - H Hörterer
- Center for Foot and Ankle Surgery, Schön Clinic Munich Harlaching - FIFA Medical Centre, Harlachinger Straße 51, 81547, Munich, Germany
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany
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Harrasser N, Hinterwimmer F, Baumbach SF, Pfahl K, Glowalla C, Walther M, Hörterer H. The distal metatarsal screw is not always necessary in third-generation MICA: a case-control study. Arch Orthop Trauma Surg 2022:10.1007/s00402-022-04740-7. [PMID: 36577799 PMCID: PMC10374712 DOI: 10.1007/s00402-022-04740-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [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: 11/10/2022] [Accepted: 12/15/2022] [Indexed: 12/29/2022]
Abstract
INTRODUCTION To evaluate the clinical and radiological results after fixation of the first metatarsal head (MTH) with one or two screws as part of the third-generation minimally invasive Chevron-Akin osteotomy (MICA) for hallux valgus deformities. MATERIALS AND METHODS Between August 2020 and November 2021, 55 MICA procedures (50 patients, male:female = 7:43), 22 with two (MICA2), 33 with one screw (MICA1) were performed for mild to severe hallux valgus deformities. Exclusion criteria were a concomitant pes adductus (Sgarlato angle > 20°) or hindfoot/midfoot deformities requiring treatment. In 27 cases, additional procedures on the forefoot (small toe corrections or metatarsal osteotomies II-V) were necessary. Pre- and post-operatively, hallux valgus angle (HVA) and intermetatarsal I/II angle (IMA) were measured. Clinically, subjective satisfaction, range of motion (ROM) of the first metatarsophalangeal joint (MTPJ), and pain level (NRS score) were evaluated. The minimum follow-up was 12 months. RESULTS Displacement of MTH was 70-90% on average, all osteotomies showed full consolidation at latest follow-up. In one case of either group, a slight subsidence of MTH was documented. The radiological and clinical parameters showed no differences between the groups. The pain level improved by an average of three points. The mobility of the MTPJ showed a slight reduction in nine cases after three months (4 MICA2, 5 MICA1) which persisted in three cases. Fifty-two of 55 patients (95%) would opt again for the operation. CONCLUSIONS Fixation of the first MTH with a single bicortical screw in MICA with moderate lateralization of MTH shows stable anchoring and good clinical results. The routine use of a second metatarsal screw can be omitted.
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Affiliation(s)
- Norbert Harrasser
- Clinic of Orthopaedics, Klinikum rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany.
| | - F Hinterwimmer
- Clinic of Orthopaedics, Klinikum rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany
| | - S F Baumbach
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany
| | - K Pfahl
- FIFA Medical Centre, Center for Foot and Ankle Surgery, Schön Clinic Munich Harlaching, Harlachinger Straße 51, 81547, Munich, Germany
| | - C Glowalla
- Clinic of Orthopaedics, Klinikum rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany
| | - M Walther
- FIFA Medical Centre, Center for Foot and Ankle Surgery, Schön Clinic Munich Harlaching, Harlachinger Straße 51, 81547, Munich, Germany
| | - H Hörterer
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Marchioninistraße 15, 81377, Munich, Germany
- FIFA Medical Centre, Center for Foot and Ankle Surgery, Schön Clinic Munich Harlaching, Harlachinger Straße 51, 81547, Munich, Germany
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Markmann V, Walther M, Dartsch M, Valerio J, Frenzel L, Lokteva I, Westermeier F, Grübel G, Lehmkühler F. A versatile chamber for x-ray scattering on liquid jets with sample recycling. Rev Sci Instrum 2022; 93:125106. [PMID: 36586895 DOI: 10.1063/5.0105529] [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: 06/24/2022] [Accepted: 11/11/2022] [Indexed: 06/17/2023]
Abstract
We introduce the setup of a versatile sample chamber for x-ray scattering experiments on liquids delivered by μ-jets. The simple implementation at x-ray light sources, adaptability to different nozzle types, and the availability of a microscope for observation of the jet flow allow for its broad application. In combination with an inbuilt recycling circle, a continuous flow operation is provided. Functionality of the system was demonstrated in a rheology study at PETRA III.
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Affiliation(s)
- V Markmann
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - M Walther
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - M Dartsch
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - J Valerio
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - L Frenzel
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - I Lokteva
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - F Westermeier
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - G Grübel
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - F Lehmkühler
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
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Voss A, Bogdanski M, Walther M, Langohr B, Albrecht R, Seifert G, Sandbothe M. Mindfulness-Based Student Training Improves Vascular Variability Associated With Sustained Reductions in Physiological Stress Response. Front Public Health 2022; 10:863671. [PMID: 35923955 PMCID: PMC9340219 DOI: 10.3389/fpubh.2022.863671] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 06/17/2022] [Indexed: 11/13/2022] Open
Abstract
In today's fast-paced society, chronic stress has become an increasing problem, as it can lead to psycho-physiological health problems. University students are also faced with stress due to the demands of many courses and exams. The positive effects of mindfulness-based stress reduction (MBSR) on stress management and self-regulation have already been studied. We have developed a new mindfulness intervention tailored for students—the Mindfulness-Based Student Training (MBST). In this study, we present longitudinal results of the MBST evaluation. Biosignal analysis methods, including pulse wave variability (PWV), heart rate variability, and respiratory activity, were used to assess participants' state of autonomic regulation during the 12-week intervention and at follow-up. The progress of the intervention group (IGR, N = 31) up to 3 months after the end of MBST was compared with that of a control group (CON, N = 34). In addition, the long-term effect for IGR up to 1 year after intervention was examined. The analysis showed significant positive changes in PWV exclusively for IGR. This positive effect, particularly on vascular function, persists 1 year after the end of MBST. These results suggest a physiologically reduced stress level in MBST participants and a beneficial preventive health care program for University students.
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Affiliation(s)
- Andreas Voss
- Institute of Innovative Health Technologies (IGHT), Ernst-Abbe-Hochschule Jena, Jena, Germany
- Institute of Biomedical Engineering and Informatics (BMTI), Technische Universität Ilmenau, Ilmenau, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- *Correspondence: Andreas Voss
| | - Martin Bogdanski
- Institute of Innovative Health Technologies (IGHT), Ernst-Abbe-Hochschule Jena, Jena, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Mario Walther
- Department of Basic Sciences, Ernst-Abbe-Hochschule Jena, Jena, Germany
| | | | - Reyk Albrecht
- Department of Social and Behavioral Sciences and Department of Medicine, Friedrich-Schiller-University Jena, Jena, Germany
| | - Georg Seifert
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- Departamento de Pediatria, Faculdade de Medicina, Instituto de Tratamento Do Câncer Infatil (ITACI) Universidade de São Paulo, São Paulo, Brazil
| | - Mike Sandbothe
- Institute of Innovative Health Technologies (IGHT), Ernst-Abbe-Hochschule Jena, Jena, Germany
- Department of Social Work, Ernst-Abbe-Hochschule Jena, Jena, Germany
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Wieske V, Walther M, Dubourg B, Alkadhi H, Nørgaard BL, Meijs MFL, Diederichsen ACP, Wan YL, Mickley H, Nikolaou K, Shabestari AA, Halvorsen BA, Martuscelli E, Sun K, Herzog BA, Marcus RP, Leschka S, Garcia MJ, Ovrehus KA, Knuuti J, Mendoza-Rodriguez V, Bettencourt N, Muraglia S, Buechel RR, Kaufmann PA, Zimmermann E, Tardif JC, Budoff MJ, Schlattmann P, Dewey M. Correction to: Computed tomography angiography versus Agatston score for diagnosis of coronary artery disease in patients with stable chest pain: individual patient data meta-analysis of the international COME-CCT Consortium. Eur Radiol 2022; 32:8052-8053. [PMID: 35467114 DOI: 10.1007/s00330-022-08760-0] [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: 11/04/2022]
Affiliation(s)
- Viktoria Wieske
- Department of Radiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Mario Walther
- Department of Fundamental Sciences, Jena University of Applied Sciences, Jena, Germany
| | - Benjamin Dubourg
- Cardiac Imaging Unit, Department of Radiology, Rouen University Hospital, Rouen, France
| | - Hatem Alkadhi
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, Zurich, Switzerland
| | - Bjarne L Nørgaard
- Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark
| | - Matthijs F L Meijs
- Department of Cardiology, University Medical Centre Utrecht, Utrecht, Netherlands
| | | | - Yung-Liang Wan
- Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Chang Gung Memorial Hospital at Linkou, Taoyaun City, Taiwan
| | - Hans Mickley
- Department of Cardiology, Odense University Hospital, Odense, Denmark
| | - Konstantin Nikolaou
- Department of Diagnostic and Interventional Radiology, University Hospital of Tübingen, Tübingen, Germany
| | - Abbas A Shabestari
- Modarres Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Eugenio Martuscelli
- Department of Internal Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Kai Sun
- Department of Radiology, Baotou Central Hospital, Baotou, Inner Mongolia Province, China
| | | | - Roy P Marcus
- Cantonal Hospital of Lucerne, Lucerne, Switzerland
| | - Sebastian Leschka
- Department of Radiology, Kantonsspital St Gallen, St Gallen, Switzerland
| | - Mario J Garcia
- Department of Cardiology, Montefiore, University Hospital for the Albert Einstein College of Medicine, New York, NY, USA
| | | | - Juhani Knuuti
- Turku University Hospital and University of Turku, Turku, Finland
| | | | - Nuno Bettencourt
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia, Vila Nova de Gaia, Portugal
| | | | - Ronny R Buechel
- Department of Nuclear Medicine, University Hospital Zurich, Zurich, Switzerland
| | - Philipp A Kaufmann
- Department of Nuclear Medicine, University Hospital Zurich, Zurich, Switzerland
| | - Elke Zimmermann
- Department of Radiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | | | | | - Peter Schlattmann
- Institute of Medical Statistics, Computer Sciences and Data Science, University Hospital of Friedrich Schiller University Jena, Jena, Germany
| | - Marc Dewey
- Department of Radiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany.
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Wieske V, Walther M, Dubourg B, Alkadhi H, Nørgaard BL, Meijs MFL, Diederichsen ACP, Wan YL, Mickley H, Nikolaou K, Shabestari AA, Halvorsen BA, Martuscelli E, Sun K, Herzog BA, Marcus RP, Leschka S, Garcia MJ, Ovrehus KA, Knuuti J, Mendoza-Rodriguez V, Bettencourt N, Muraglia S, Buechel RR, Kaufmann PA, Zimmermann E, Tardif JC, Budoff MJ, Schlattmann P, Dewey M. Computed tomography angiography versus Agatston score for diagnosis of coronary artery disease in patients with stable chest pain: individual patient data meta-analysis of the international COME-CCT Consortium. Eur Radiol 2022; 32:5233-5245. [PMID: 35267094 PMCID: PMC9279219 DOI: 10.1007/s00330-022-08619-4] [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] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 01/05/2022] [Accepted: 01/28/2022] [Indexed: 11/29/2022]
Abstract
Objectives There is conflicting evidence about the comparative diagnostic accuracy of the Agatston score versus computed tomography angiography (CTA) in patients with suspected obstructive coronary artery disease (CAD). Purpose To determine whether CTA is superior to the Agatston score in the diagnosis of CAD. Methods In total 2452 patients with stable chest pain and a clinical indication for invasive coronary angiography (ICA) for suspected CAD were included by the Collaborative Meta-analysis of Cardiac CT (COME-CCT) Consortium. An Agatston score of > 400 was considered positive, and obstructive CAD defined as at least 50% coronary diameter stenosis on ICA was used as the reference standard. Results Obstructive CAD was diagnosed in 44.9% of patients (1100/2452). The median Agatston score was 74. Diagnostic accuracy of CTA for the detection of obstructive CAD (81.1%, 95% confidence interval [CI]: 77.5 to 84.1%) was significantly higher than that of the Agatston score (68.8%, 95% CI: 64.2 to 73.1%, p < 0.001). Among patients with an Agatston score of zero, 17% (101/600) had obstructive CAD. Diagnostic accuracy of CTA was not significantly different in patients with low to intermediate (1 to < 100, 100–400) versus moderate to high Agatston scores (401–1000, > 1000). Conclusions Results in our international cohort show CTA to have significantly higher diagnostic accuracy than the Agatston score in patients with stable chest pain, suspected CAD, and a clinical indication for ICA. Diagnostic performance of CTA is not affected by a higher Agatston score while an Agatston score of zero does not reliably exclude obstructive CAD. Key Points • CTA showed significantly higher diagnostic accuracy (81.1%, 95% confidence interval [CI]: 77.5 to 84.1%) for diagnosis of coronary artery disease when compared to the Agatston score (68.8%, 95% CI: 64.2 to 73.1%, p < 0.001). • Diagnostic performance of CTA was not affected by increased amount of calcium and was not significantly different in patients with low to intermediate (1 to <100, 100–400) versus moderate to high Agatston scores (401–1000, > 1000). • Seventeen percent of patients with an Agatston score of zero showed obstructive coronary artery disease by invasive angiography showing absence of coronary artery calcium cannot reliably exclude coronary artery disease. Supplementary Information The online version contains supplementary material available at 10.1007/s00330-022-08619-4.
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Affiliation(s)
- Viktoria Wieske
- Department of Radiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Mario Walther
- Department of Fundamental Sciences, Jena University of Applied Sciences, Jena, Germany
| | - Benjamin Dubourg
- Cardiac Imaging Unit, Department of Radiology, Rouen University Hospital, Rouen, France
| | - Hatem Alkadhi
- Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, Zurich, Switzerland
| | - Bjarne L Nørgaard
- Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark
| | - Matthijs F L Meijs
- Department of Cardiology, University Medical Centre Utrecht, Utrecht, Netherlands
| | | | - Yung-Liang Wan
- Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Chang Gung Memorial Hospital at Linkou, Taoyaun City, Taiwan
| | - Hans Mickley
- Department of Cardiology, Odense University Hospital, Odense, Denmark
| | - Konstantin Nikolaou
- Department of Diagnostic and Interventional Radiology, University Hospital of Tübingen, Tübingen, Germany
| | - Abbas A Shabestari
- Modarres Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Eugenio Martuscelli
- Department of Internal Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Kai Sun
- Department of Radiology, Baotou Central Hospital, Baotou, Inner Mongolia Province, China
| | | | - Roy P Marcus
- Cantonal Hospital of Lucerne, Lucerne, Switzerland
| | - Sebastian Leschka
- Department of Radiology, Kantonsspital St Gallen, St Gallen, Switzerland
| | - Mario J Garcia
- Department of Cardiology, Montefiore, University Hospital for the Albert Einstein College of Medicine, New York, NY, USA
| | | | - Juhani Knuuti
- Turku University Hospital and University of Turku, Turku, Finland
| | | | - Nuno Bettencourt
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia, Vila Nova de Gaia, Portugal
| | | | - Ronny R Buechel
- Department of Nuclear Medicine, University Hospital Zurich, Zurich, Switzerland
| | - Philipp A Kaufmann
- Department of Nuclear Medicine, University Hospital Zurich, Zurich, Switzerland
| | - Elke Zimmermann
- Department of Radiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | | | | | - Peter Schlattmann
- Institute of Medical Statistics, Computer Sciences and Data Science, University Hospital of Friedrich Schiller University Jena, Jena, Germany
| | - Marc Dewey
- Department of Radiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany.
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Ettinger S, Gottschalk O, Kostretzis L, Plaas C, Körner D, Walther M, Becher C. One-year follow-up data from the German Cartilage Registry (KnorpelRegister DGOU) in the treatment of chondral and osteochondral defects of the talus. Arch Orthop Trauma Surg 2022; 142:205-210. [PMID: 33047231 DOI: 10.1007/s00402-020-03631-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [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: 05/25/2020] [Accepted: 09/30/2020] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Chondral and osteochondral lesions of the talus (OLTs) remain a challenging issue with numerous operative treatments proposed to date. The aim of this study was to evaluate 1-year follow-up data in the German Cartilage Registry (KnorpelRegister DGOU). METHODS Among 401 patients in the database, 114 patients with a complete 1-year Foot and Ankle Outcome (FAOS) score for subscale Pain as the primary variable were included. A total of 12 different surgical treatments were performed. However, 8 techniques were carried out in negligible numbers of patients (n = 1-3), leaving 89 patients treated with the following techniques: arthroscopic antegrade bone marrow stimulation (group A; n = 32), autologous chondrocyte implantation with autologous cancellous bone grafting (group B; n = 9), matrix-augmented bone marrow stimulation (group C; n = 22), and matrix-augmented bone marrow stimulation with autologous cancellous bone grafting (group D; n = 26). Group differences and possible influencing variables such as age and sex were evaluated. Level of significance was set at p < 0.05 for all statistical tests. RESULTS All four treatment groups showed significant improvement of the FAOS scores at 1 year postoperatively compared with their preoperative scores. No significant differences were found with respect to score changes among the groups. A positive correlation between FAOS subscale Pain improvement and defect size volume and negative correlations between increasing age and FAOS subscales Sports/Rec and QoL were found. Concomitant ankle stabilization led to greater improvement in FAOS subscales Symptoms and ADL than in patients with no stabilization. FAOS subscale Pain showed greater improvement in women than in men. CONCLUSION All analyzed treatment options were effective for treatment of OLTs. In particular, large defects appeared to benefit from treatment. In the presence of concomitant ankle instability, a stabilizing procedure appeared to have a positive impact on the outcome.
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Affiliation(s)
- S Ettinger
- Orthopädische Klinik der Medizinischen Hochschule Hannover (MHH) im Diakovere Annastift, Anna-von-Borries-Str. 1-7, 30625, Hannover, Germany
| | - O Gottschalk
- Zentrum für Fuss- and Sprunggelenkchirurgie, (MHA) Schön Klinik München Harlaching, Harlachinger Str. 51, 81547, München, Germany
| | - L Kostretzis
- International Center for Orthopedics, ATOS Clinic Heidelberg, Bismarckstr. 9-15, 69115, Heidelberg, Germany
| | - C Plaas
- Orthopädische Klinik der Medizinischen Hochschule Hannover (MHH) im Diakovere Annastift, Anna-von-Borries-Str. 1-7, 30625, Hannover, Germany
| | - D Körner
- Department of Traumatology and Reconstructive Surgery, BG Trauma Center Tübingen, Eberhard Karls University Tübingen, Schnarrrenbergstr. 95, 72076, Tübingen, Germany
| | - M Walther
- Zentrum für Fuss- and Sprunggelenkchirurgie, (MHA) Schön Klinik München Harlaching, Harlachinger Str. 51, 81547, München, Germany
| | - C Becher
- Orthopädische Klinik der Medizinischen Hochschule Hannover (MHH) im Diakovere Annastift, Anna-von-Borries-Str. 1-7, 30625, Hannover, Germany. .,International Center for Orthopedics, ATOS Clinic Heidelberg, Bismarckstr. 9-15, 69115, Heidelberg, Germany.
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Rohde F, Walther M, Wächter J, Knetzger N, Lotz C, Windbergs M. In-situ tear fluid dissolving nanofibers enable prolonged viscosity-enhanced dual drug delivery to the eye. Int J Pharm 2022; 616:121513. [PMID: 35085733 DOI: 10.1016/j.ijpharm.2022.121513] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 12/29/2022]
Abstract
Liquid and semi-solid formulations are the most commonly used drug delivery systems for ophthalmic diseases. Upon application into the conjunctival sac, these systems introduce a variable and unphysiologically high liquid volume to the eye, resulting in overflow and extensive nasolacrimal drainage, accounting for dosing inaccuracy and short ocular residence time. In this study, we present nanofibrous electrospun scaffolds composed of biocompatible polymers, overcoming these challenges by immediate drug release. The fibers incorporate gentamicin and dexamethasone, intended for the treatment of bacterial conjunctivitis. Upon contact with the ocular surface, the nanofibers immediately dissolve in the tear fluid, quantitatively releasing the two actives, yielding over92% drug recovery, determined with fluorimetric and chromatographic quantifications methods. Simultaneously, the viscosity of the tear fluid increases, shown by complex viscometry measurements. A newly developed ex vivo microfluidic porcine cornea model was used to evaluated ocular residence time. In contrast to fluid eye drops, the contact time was significantly prolonged and 20min after application, an increase in drug availability on the ocular surface of 342% was observed. Biocompatibility of the polymer system was demonstrated in an OECD approved in vitro cornea model. The antibacterial activity after processing was evaluated according to EUCAST guidelines, and storage stability of the system was confirmed over a 12-week period. This innovative drug delivery system poses a highly promising platform technology, overcoming challenges associated with conventional dosage forms for drug delivery to the anterior eye and thus significantly advancing therapeutic approaches.
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Affiliation(s)
- F Rohde
- Institute of Pharmaceutical Technology and Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - M Walther
- Institute of Pharmaceutical Technology and Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - J Wächter
- Institute of Pharmaceutical Technology and Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - N Knetzger
- Translational Center for Regenerative Therapies (TLZ-RT), Fraunhofer Institute for Silicate Research (ISC), Neunerplatz 2, 97082 Würzburg, Germany; Chair of Tissue Engineering and Regenerative Medicine (TERM), University Hospital Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - C Lotz
- Translational Center for Regenerative Therapies (TLZ-RT), Fraunhofer Institute for Silicate Research (ISC), Neunerplatz 2, 97082 Würzburg, Germany; Chair of Tissue Engineering and Regenerative Medicine (TERM), University Hospital Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - M Windbergs
- Institute of Pharmaceutical Technology and Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany.
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9
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Ruediger T, Horbert V, Reuther A, Kumar Kalla P, Burgkart RH, Walther M, Kinne RW, Mika J. Thickness of the Stifle Joint Articular Cartilage in Different Large Animal Models of Cartilage Repair and Regeneration. Cartilage 2021; 13:438S-452S. [PMID: 33269611 PMCID: PMC8721693 DOI: 10.1177/1947603520976763] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVE Regulatory guidelines for preclinical cartilage repair studies suggest large animal models (e.g., sheep, goat, [mini]-pig, or horse) to obtain results representative for humans. However, information about the 3-dimensional thickness of articular cartilage at different implantation sites in these models is limited. DESIGN To identify the most suitable site for experimental surgery, cartilage thickness at the medial femoral condyle (MFC), lateral femoral condyle (LFC), and trochlea in ovine, caprine, and porcine cadaver stifle joints was systematically measured using hematoxylin-eosin staining of 6 µm paraffin sections and software-based image analysis. RESULTS Regarding all ventral-dorsal regions of the MFC, goat showed the thickest articular cartilage (maximal mean thickness: 1299 µm), followed by sheep (1096 µm) and mini-pig (604 µm), with the highest values in the most ventral and dorsal regions. Also for the LFC, the most ventral regions showed the thickest cartilage in goat (maximal mean thickness: 1118 µm), followed by sheep (678 µm) and mini-pig (607 µm). Except for the mini-pig, however, the cartilage thickness on the LFC was consistently lower than that on the MFC. The 3 species also differed along the transversal measuring points on the MFC and LFC. In contrast, there were no consistent differences for the regional cartilage thickness of the trochlea among goat and sheep (≥780 µm) and mini-pig (≤500 µm). CONCLUSIONS Based on their cartilage thickness, experimental defects on goat and sheep MFC may be viable options for preclinical cartilage repair studies, in addition to well-established horse models.
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Affiliation(s)
- Tina Ruediger
- Experimental Rheumatology Unit,
Department of Orthopedics, Jena University Hospital, Waldkliniken Eisenberg GmbH,
Eisenberg, Germany
| | - Victoria Horbert
- Experimental Rheumatology Unit,
Department of Orthopedics, Jena University Hospital, Waldkliniken Eisenberg GmbH,
Eisenberg, Germany
| | - Anne Reuther
- Experimental Rheumatology Unit,
Department of Orthopedics, Jena University Hospital, Waldkliniken Eisenberg GmbH,
Eisenberg, Germany
| | - Pavan Kumar Kalla
- Experimental Rheumatology Unit,
Department of Orthopedics, Jena University Hospital, Waldkliniken Eisenberg GmbH,
Eisenberg, Germany
| | - Rainer H. Burgkart
- Biomechanics Laboratory, Chair of
Orthopedics and Sport Orthopedics, Technische Universität München, Munich,
Germany
| | - Mario Walther
- Department of Medical Statistics,
Computer Sciences and Documentation, Jena University Hospital, Jena, Germany,Ernst-Abbe-Hochschule Jena, University
of Applied Sciences, Jena, Germany
| | - Raimund W. Kinne
- Experimental Rheumatology Unit,
Department of Orthopedics, Jena University Hospital, Waldkliniken Eisenberg GmbH,
Eisenberg, Germany,Raimund W. Kinne, Experimental Rheumatology
Unit, Department of Orthopedics, Jena University Hospital, Waldkliniken
Eisenberg GmbH, Klosterlausnitzer Straße 81, Eisenberg, 07607, Germany.
| | - Joerg Mika
- Experimental Rheumatology Unit,
Department of Orthopedics, Jena University Hospital, Waldkliniken Eisenberg GmbH,
Eisenberg, Germany
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10
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Reckziegel M, Weber-Osel C, Egerer R, Gruhn B, Kubek F, Walther M, Wilhelm S, Zell R, Krumbholz A. Correction to: Viruses and atypical bacteria in the respiratory tract of immunocompromised and immunocompetent patients with airway infection. Eur J Clin Microbiol Infect Dis 2021; 41:339. [PMID: 34851469 PMCID: PMC8770427 DOI: 10.1007/s10096-021-04367-3] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Maria Reckziegel
- Section of Experimental Virology, Institute of Medical Microbiology, Jena University Hospital, Jena, Germany.,Department of Hematology/Oncology, Clinic of Internal Medicine II, Jena University Hospital, Jena, Germany
| | - Claudia Weber-Osel
- Section of Experimental Virology, Institute of Medical Microbiology, Jena University Hospital, Jena, Germany.,Department of Medicine II, Catholic Hospital 'St. Johann Nepomuk', Erfurt, Germany
| | - Renate Egerer
- Institute of Medical Microbiology, Jena University Hospital, Jena, Germany
| | - Bernd Gruhn
- Department of Pediatrics, Jena University Hospital, Jena, Germany
| | - Florian Kubek
- Section of Experimental Virology, Institute of Medical Microbiology, Jena University Hospital, Jena, Germany
| | - Mario Walther
- Department of Fundamental Sciences, Jena University of Applied Sciences, Jena, Germany
| | - Stefanie Wilhelm
- Section of Experimental Virology, Institute of Medical Microbiology, Jena University Hospital, Jena, Germany
| | - Roland Zell
- Section of Experimental Virology, Institute of Medical Microbiology, Jena University Hospital, Jena, Germany
| | - Andi Krumbholz
- Institute of Infection Medicine, Christian-Albrechts-Universität zu Kiel and University Medical Center Schleswig-Holstein, Brunswiker Straße 4, 24105, Kiel, Germany.
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11
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Kockler M, Schlattmann P, Walther M, Hagemann G, Becker PN, Rosahl S, Witte OW, Schwab M, Rakers F. Weather conditions associated with subarachnoid hemorrhage: a multicenter case-crossover study. BMC Neurol 2021; 21:283. [PMID: 34281522 PMCID: PMC8287714 DOI: 10.1186/s12883-021-02312-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 06/30/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Most spontaneous subarachnoid hemorrhages (SAH) occur unexpectedly and independently of classical risk factors. In the light of increasing climate variability and change, we investigated weather and rapid weather changes as possible short-term risk factors for SAH. METHODS Seven hundred ninety one patients admitted to three major hospitals in Germany for non-traumatic SAH with a determinable onset of SAH symptoms were included in this hospital-based, case-crossover study. The effects of atmospheric pressure, relative air humidity, and ambient temperature and their 24 h changes on the onset of SAH under temperate climate conditions were estimated. RESULTS There was no association between the risk of SAH and 24 h weather changes, mean daily temperature or mean relative air humidity in the overall population. For every 11.5 hPa higher mean daily atmospheric pressure, the risk of SAH increased by 15% (OR 1.15, 95% confidence interval (CI) 1.01-1.30) in the entire study population with a lag time of three days. CONCLUSION Our results suggest no relevant association between 24 h-weather changes or absolute values of ambient temperature and relative humidity and the risk of SAH. The medical significance of the statistically weak increase in SAH risk three days after exposure to high atmospheric pressure is unclear. However, as the occurrence of stable high-pressure systems will increase with global warming and potentially affect SAH risk, we call for confirming studies in different geographical regions to verify our observations.
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Affiliation(s)
- Michael Kockler
- Hans-Berger Department of Neurology, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany
| | - Peter Schlattmann
- Institute of Medical Statistics, Computer Sciences and Documentation, Jena University Hospital, 07747, Jena, Germany
| | - Mario Walther
- Department of Fundamental Sciences, Ernst Abbe University of Applied Sciences, 07745, Jena, Germany
| | - Georg Hagemann
- Department of Neurology, HELIOS Hospital Berlin-Buch, 13125, Berlin, Germany
| | - Philipp Nils Becker
- Department of Neurology, HELIOS Hospital Berlin-Buch, 13125, Berlin, Germany
| | - Steffen Rosahl
- Department of Neurosurgery, HELIOS Hospital Erfurt, 99089, Erfurt, Germany
| | - Otto W Witte
- Hans-Berger Department of Neurology, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany
| | - Matthias Schwab
- Hans-Berger Department of Neurology, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany
| | - Florian Rakers
- Hans-Berger Department of Neurology, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany. .,Department of Neurology, HELIOS Hospital Berlin-Buch, 13125, Berlin, Germany.
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12
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Harrasser N, Hörterer H, Walther M. [65/f-increasing ankle discomfort with history of ankle sprains : Preparation for the medical specialist examination: part 53]. Orthopade 2021; 50:148-151. [PMID: 33294941 DOI: 10.1007/s00132-020-04049-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- N Harrasser
- Klinik für Orthopädie und Sportorthopädie, Klinikum rechts der Isar, TU München, Ismaninger Str. 22, 81675, München, Deutschland.
- ECOM® - Excellent Center of Medicine, Arabellastraße 17, 81925, München, Deutschland.
- ATOS MVZ, München, Deutschland.
| | - H Hörterer
- Fachzentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Str. 51, 81547, München, Deutschland
| | - M Walther
- Fachzentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Str. 51, 81547, München, Deutschland
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13
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Smesny S, Berberich D, Gussew A, Schönfeld N, Langbein K, Walther M, Reichenbach JR. Alterations of neurometabolism in the dorsolateral prefrontal cortex and thalamus in transition to psychosis patients change under treatment as usual - A two years follow-up 1H/ 31P-MR-spectroscopy study. Schizophr Res 2021; 228:7-18. [PMID: 33429152 DOI: 10.1016/j.schres.2020.11.063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 09/15/2019] [Revised: 11/22/2020] [Accepted: 11/27/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND The ultra-high risk (UHR) paradigm allows early contact with patients developing acute psychosis and the study of treatment effects on the underlying pathology. METHODS 29 patients with first acute psychosis according to CAARMS criteria (transition patients, TP) (T0) and thereof 22 patients after two-year follow-up (mean 788 d) (T1) underwent 1H-/31P-MR spectroscopy of the prefrontal (DLPFC) and anterior midcingulate (aMCC) cortices and the thalamus. N-acetylaspartate (NAA), glutamate (Glu, Glx), energy (PCr, ATP) and phospholipid metabolites (PME, PDE) were compared to 27 healthy controls by ANCOVA and correlated with patients' symptom ratings (BPRS-E, SCL-90R). For longitudinal analysis, linear mixed model (LMM) and ANCOVA for repeated measures were used. RESULTS DLPFC: In patients, NAA and PME were decreased bilaterally and Glu on the left side at T0. Left-sided Glu and NAA (trend) and bilateral Glx increased during follow-up. Thalamus: In TP, bilateral NAA, left-sided Glu and right-sided Glx were decreased at T0; bilateral NAA and left-sided Glx increased during follow-up. aMCC: In TP, bilateral NAA, right-sided Glu, and bilateral PME and PDE were decreased, while left-sided PCr was increased at T0. No changes were observed during follow-up. CONCLUSION Regardless of the long-term diagnosis, the psychotic state of illness includes disturbed neuronal function in the DLPFC, thalamus and aMCC. Treatment-as-usual (TAU), including antipsychotic/antidepressant medication and supportive psychotherapy, had an effect on the thalamo-frontal area but not or less pronounced on the neurometabolic deficits of the aMCC.
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Affiliation(s)
- Stefan Smesny
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany.
| | - Diana Berberich
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany
| | - Alexander Gussew
- Department of Radiology, University Hospital Halle (Saale), Ernst-Grube-Str. 40, D-06120 Halle (Saale), Germany
| | - Nils Schönfeld
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany
| | - Kerstin Langbein
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany
| | - Mario Walther
- Jena University of Applied Sciences, Department of Fundamental Sciences, Carl-Zeiss-Promenade 2, D-07745 Jena, Germany
| | - Jürgen R Reichenbach
- Medical Physics Group, Department of Diagnostic and Interventional Radiology, Jena University Hospital, Philosophenweg 3, D-07740 Jena, Germany
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14
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Hoff P, Walther M, Wesselmann H, Weinerth J, Feist E, Ohrndorf S. [Successful treatment of adult Still's disease with tofacitinib in a HIV-2 positive female patient]. Z Rheumatol 2020; 79:1046-1049. [PMID: 32816071 DOI: 10.1007/s00393-020-00853-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A 46-year-old female patient with a known HIV-2-infection suffered from adult onset Still's disease, which was initially complicated by a macrophage activation syndrome (MAS). The required glucocorticoid treatment induced a psychosis and the patient developed an aversion to glucocorticoids. After failure of treatment with anakinra, an alternative option with the JAK-inhibitor tofacitinib was introduced because of the short half-life and to reduce glucocorticoid exposure. A switch to tofacitinib was only successful after an overlapping treatment with anakinra and tofacitinib for 3 weeks. The patient is currently being treated with monotherapy with tofacitinib as well as NSAID on demand, is in stable remission and can continue working as normal.
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Affiliation(s)
- P Hoff
- MVZ Endokrinologikum Berlin am Gendarmenmarkt, Friedrichstr. 76, 10117, Berlin, Deutschland. .,Medizinische Klinik mit Schwerpunkt Rheumatologie und Klinische Immunologie, Charité - Universitätsmedizin Berlin, Campus Mitte, Berlin, Deutschland.
| | - M Walther
- MVZ Endokrinologikum Berlin am Gendarmenmarkt, Friedrichstr. 76, 10117, Berlin, Deutschland
| | - H Wesselmann
- HIV-Ambulanz-Praxis, Ambulantes Gesundheitszentrum der Charité am Campus Virchow, Berlin, Deutschland
| | - J Weinerth
- MVZ Endokrinologikum Berlin am Gendarmenmarkt, Friedrichstr. 76, 10117, Berlin, Deutschland
| | - E Feist
- Helios Fachklinik Vogelsang-Gommern, Vogelsang-Gommern, Deutschland
| | - S Ohrndorf
- Medizinische Klinik mit Schwerpunkt Rheumatologie und Klinische Immunologie, Charité - Universitätsmedizin Berlin, Campus Mitte, Berlin, Deutschland
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15
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Walther M, Hörterer H, Harrasser N, Röser A, Gottschalk O. Minimal-invasive Komponenten der Therapie der Tibialis-posterior-Insuffizienz des Erwachsenen. Orthopäde 2020; 49:962-967. [DOI: 10.1007/s00132-020-03990-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Markmann V, Dartsch M, Valerio J, Frenzel L, Lokteva I, Walther M, Westermeier F, Grübel G, Lehmkühler F. Shear-induced ordering in liquid microjets seen by x-ray cross correlation analysis. Struct Dyn 2020; 7:054901. [PMID: 33094129 PMCID: PMC7568674 DOI: 10.1063/4.0000038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 10/01/2020] [Indexed: 05/13/2023]
Abstract
We applied shear to a silica nanoparticle dispersion in a microfluidic jet device and observed direction-dependent structure along and across the flow direction. The asymmetries of the diffraction patterns were evaluated by x-ray cross correlation analysis. For different Rayleigh nozzle sizes and shapes, we measured the decay of the shear-induced ordering after the cessation of the shear. At large tube sizes and small shear rates, the characteristic times of the decay become longer, but Péclet-weighted times do not scale linearly with Péclet numbers. By modeling particle distributions with the corresponding diffraction patterns and comparing measured shape asymmetry to simulations, we determined the variation of volume fraction over the azimuthal angle for the maximum ordered state in the jet.
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Affiliation(s)
- V. Markmann
- Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
- Author to whom correspondence should be addressed:
| | | | | | | | | | - M. Walther
- Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
| | - F. Westermeier
- Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
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17
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Walther M, Dummer R, Imhof L. Light-based therapies and scar sarcoidosis. J Eur Acad Dermatol Venereol 2020; 34:e805-e807. [PMID: 32455483 DOI: 10.1111/jdv.16667] [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] [Received: 05/03/2020] [Revised: 05/13/2020] [Accepted: 05/15/2020] [Indexed: 11/26/2022]
Affiliation(s)
- M Walther
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland.,Faculty of Medicine, University Zurich, Zurich, Switzerland
| | - R Dummer
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland.,Faculty of Medicine, University Zurich, Zurich, Switzerland
| | - L Imhof
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland.,Faculty of Medicine, University Zurich, Zurich, Switzerland
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18
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Reckziegel M, Weber-Osel C, Egerer R, Gruhn B, Kubek F, Walther M, Wilhelm S, Zell R, Krumbholz A. Viruses and atypical bacteria in the respiratory tract of immunocompromised and immunocompetent patients with airway infection. Eur J Clin Microbiol Infect Dis 2020; 39:1581-1592. [PMID: 32462500 PMCID: PMC7253234 DOI: 10.1007/s10096-020-03878-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 01/27/2020] [Accepted: 03/24/2020] [Indexed: 01/08/2023]
Abstract
Respiratory tract infections (RTI) can take a serious course under immunosuppression. Data on the impact of the underlying pathogens are still controversial. Samples from the upper (n = 322) and lower RT (n = 169) were collected from 136 children and 355 adults; 225 among them have been immunocompromised patients. Exclusion criteria were presence of relevant cultivable microorganisms, C-reactive protein > 20 mg/dl, or procalcitonin > 2.0 ng/ml. Samples were tested by PCR for the presence of herpesviruses (HSV-1/-2; VZV; CMV; HHV6; EBV), adenoviruses, bocaviruses, entero-/rhinoviruses (HRV), parechoviruses, coronaviruses, influenza viruses (IV), parainfluenza viruses as well as for pneumoviruses (HMPV and RSV), and atypical bacteria (Mycoplasma pneumoniae, M.p.; Chlamydia pneumoniae, C.p.). Viral/bacterial genome equivalents were detected in more than two-thirds of specimens. Under immunosuppression, herpesviruses (EBV 30.9%/14.6%, p < 0.001; CMV 19.6%/7.9%, p < 0.001; HSV-1: 14.2%/7.1%, p = 0.012) were frequently observed, mainly through their reactivation in adults. Immunocompromised adults tended to present a higher RSV prevalence (6.4%/2.4%, p = 0.078). Immunocompetent patients were more frequently tested positive for IV (15.0%/5.8%, p = 0.001) and M.p. (6.4%/0.4%, p < 0.001), probably biased due to the influenza pandemic of 2009 and an M.p. epidemic in 2011. About 41.8% of samples were positive for a single pathogen, and among them EBV (19.9%) was most prevalent followed by HRV (18.2%) and IV (16.6%). HSV-2 and C.p. were not found. Marked seasonal effects were observed for HRV, IV, and RSV. Differences in pathogen prevalence were demonstrated between immunocompetent and immunocompromised patients. The exact contribution of some herpesviruses to the development of RTI remains unclear.
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Affiliation(s)
- Maria Reckziegel
- Section of Experimental Virology, Institute of Medical Microbiology, Jena University Hospital, Jena, Germany.,Department of Hematology/Oncology, Clinic of Internal Medicine II, Jena University Hospital, Jena, Germany
| | - Claudia Weber-Osel
- Section of Experimental Virology, Institute of Medical Microbiology, Jena University Hospital, Jena, Germany.,Department of Medicine II, Catholic Hospital 'St. Johann Nepomuk', Erfurt, Germany
| | - Renate Egerer
- Institute of Medical Microbiology, Jena University Hospital, Jena, Germany
| | - Bernd Gruhn
- Department of Pediatrics, Jena University Hospital, Jena, Germany
| | - Florian Kubek
- Section of Experimental Virology, Institute of Medical Microbiology, Jena University Hospital, Jena, Germany
| | - Mario Walther
- Department of Fundamental Sciences, Jena University of Applied Sciences, Jena, Germany
| | - Stefanie Wilhelm
- Section of Experimental Virology, Institute of Medical Microbiology, Jena University Hospital, Jena, Germany
| | - Roland Zell
- Section of Experimental Virology, Institute of Medical Microbiology, Jena University Hospital, Jena, Germany
| | - Andi Krumbholz
- Institute of Infection Medicine, Christian-Albrechts-Universität zu Kiel and University Medical Center Schleswig-Holstein, Brunswiker Straße 4, D-24105, Kiel, Germany.
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19
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Egmond HPV, Mouriño A, Burdaspal PA, Boenke A, Alvito P, Arevalo F, Botana-López LM, Bustos J, Dietrich R, Donald M, Franco Soler JM, Gago Martinez A, Hald B, Helle N, Hummert C, Ledoux M, Legarda T, Luckas B, Mesego A, Paulsch WE, Rodriguez-Vieytes M, Salgado C, Stockemer J, Usleber E, van den Top HJ, Walther L, Walther M, Winkler F. Development of Reference Materials for Paralytic Shellfish Poisoning Toxins. J AOAC Int 2019. [DOI: 10.1093/jaoac/84.5.1668] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
A project was undertaken to develop mussel reference materials that were certified for their mass fractions of saxitoxin and decarbamoyl-saxitoxin. Fifteen laboratories from various European countries participated. Three of these had major responsibility for substantial parts of the work and overall coordination of the project. The project involved 4 main activities: (1) procurement and characterization of calibrants; (2) improvement of analytical methodology; (3) preparation of reference materials, including homogeneity and stability studies; (4) 2 interlaboratory studies and a certification exercise. The joint activities resulted in 3 homogeneous and stable reference materials: 2 lyophilized mussel materials with and without naturally incurred paralytic shellfish poisoning (PSP) toxins, and a saxitoxin enrichment solution. The reference materials were certified with respect to their saxitoxin and decarbamoyl-saxitoxin content. The lyophilized mussel material with PSP toxins (CRM 542) contained <0.07 mg saxitoxin·2HCl/kg and 1.59 ± 0.20 mg decarbamoyl-saxitoxin·2HCl/kg. The lyophilized mussel material without PSP toxins (CRM 543) contained <0.07 mg saxitoxin·2HCl/kg and <0.04 mg decarbamoyl-saxitoxin·2HCl/kg. The certified value of the saxitoxin mass fraction in the saxitoxin enrichment solution (CRM 663) was 9.8 ± 1.2 μg/g.
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Affiliation(s)
- Hans P van Egmond
- National Institute of Public Health and the Environment, Laboratory for Residue Analysis, PO Box 1, 3720 BA Bilthoven, The Netherlands
| | - Antonio Mouriño
- University of Santiago de Compostela, Departamento de Química Orgánica y Sección de Alcaloides del CSIC, Santiago de Compostela, Spain
| | - Pedro A Burdaspal
- Centro Nacional de Alimentacion (Instituto de Salud Carlos III), 28220 Majadahonda, Madrid, Spain
| | - Achim Boenke
- European Commission, Standards, Measurements and Testing Programme (SMT), 200 Rue de la Loi, Brussels, Belgium
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20
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Hamel J, Hörterer H, Gottschalk O, Harrasser N, Walther M. [Hindfoot-centred X-ray technique for the evaluation of cavovarus deformity : A proposal for the optimization of radiologic delineation]. Orthopade 2019; 49:531-537. [PMID: 31486913 DOI: 10.1007/s00132-019-03800-y] [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] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
In surgical correction of cavovarus deformity bony hindfoot procedures are required in most cases. For treatment planning X‑rays in two or more planes are usually used. In conventional X‑ray-techniques the hindfoot and ankle joint are presented in a more or less outward rotated position. Moreover, the peritalar complex is not delineated in the most corrected position. Therefore, the frequently used talus-metatarsal-I-angle (Meary angle) cannot be measured correctly. By application of the Coleman block test and additional adjustment of the malrotation in the lateral view, the peritalar complex and ankle joint can be evaluated in the corrected and "hindfoot-centred" position. Also, the frequently seen anterior ankle impingement can be observed precisely. Planning of osteotomies or corrective peritalar fusions is supported thereby. Some treatment examples are presented.
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Affiliation(s)
- J Hamel
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, München, Deutschland.
| | - H Hörterer
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, München, Deutschland.,Klinik für Allgemeine‑, Unfall- und Wiederherstellungschirurigie, Klinikum der Universität München, LMU München, München, Deutschland
| | - O Gottschalk
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, München, Deutschland.,Klinik für Allgemeine‑, Unfall- und Wiederherstellungschirurigie, Klinikum der Universität München, LMU München, München, Deutschland
| | - N Harrasser
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, München, Deutschland.,Klinik für Orthopädie und Sportorthopädie, Klinikum rechts der Isar, TU München, München, Deutschland
| | - M Walther
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, München, Deutschland
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Leuthard D, Walther M, Galliker N, Bosshard PP. Epidemiological and clinical aspects of patients with Neoscytalidium spp. dermatomycoses in Switzerland. J Eur Acad Dermatol Venereol 2019; 34:e4-e5. [PMID: 31374133 DOI: 10.1111/jdv.15836] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- D Leuthard
- Department of Dermatology, Faculty of Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - M Walther
- Department of Dermatology, Faculty of Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - N Galliker
- Department of Dermatology, Faculty of Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - P P Bosshard
- Department of Dermatology, Faculty of Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
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22
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Walther M, Wodtke R, Bergmann R, Zarschler K, Sihver W, Pietzsch HJ. “Click to ligand/conjugate” for facile labeling with Al[18F]F, 68Ga, 111In or 64Cu. Nucl Med Biol 2019. [DOI: 10.1016/s0969-8051(19)30287-2] [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: 11/30/2022]
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23
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Gilpin I, Walther M, Pietzsch HJ, Steinbach J. Ligand development for the Radiometal Hg-197(m). Nucl Med Biol 2019. [DOI: 10.1016/s0969-8051(19)30291-4] [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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24
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Roseker W, Lee S, Walther M, Rysov R, Sprung M, Grübel G. Spatial and temporal pre-alignment of an X-ray split-and-delay unit by laser light interferometry. Rev Sci Instrum 2019; 90:045106. [PMID: 31042974 DOI: 10.1063/1.5089496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Accepted: 03/15/2019] [Indexed: 06/09/2023]
Abstract
We present a novel experimental setup for performing a precise pre-alignment of a hard X-ray split-and-delay unit based on low coherence light interferometry and high-precision penta-prisms. A split-and-delay unit is a sophisticated perfect crystal-optics device that splits an incoming X-ray pulse into two sub-pulses and generates a controlled time-delay between them. While the availability of a split-and-delay system will make ultrafast time-correlation and X-ray pump-probe experiments possible at free-electron lasers, its alignment process can be very tedious and time-consuming due to its complex construction. By implementing our experimental setup at beamline P10 of PETRA III, we were able to reduce the time of alignment to less than 3 h. We also propose an alternate method for finding the zero-time delay crossing without the use of X-rays or pulsed laser sources. The successful demonstration of this method brings prospect for operating the split-and-delay systems under alignment-time-critical environments such as X-ray free electron laser facilities.
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Affiliation(s)
- W Roseker
- Deutsches-Elektronen Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - S Lee
- Frontier in Extreme Physics, Korea Research Institute of Standards and Science (KRISS), Daejeon 34113, South Korea
| | - M Walther
- Deutsches-Elektronen Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - R Rysov
- Deutsches-Elektronen Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - M Sprung
- Deutsches-Elektronen Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - G Grübel
- Deutsches-Elektronen Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
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25
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Lokteva I, Walther M, Koof M, Grübel G, Lehmkühler F. In situ small-angle X-ray scattering environment for studying nanocrystal self-assembly upon controlled solvent evaporation. Rev Sci Instrum 2019; 90:036103. [PMID: 30927793 DOI: 10.1063/1.5082685] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 02/08/2019] [Indexed: 06/09/2023]
Abstract
We present a sample environment for the investigation of nanoparticle self-assembly from a colloidal solution via controlled solvent evaporation using in situ small-angle X-ray scattering. Nanoparticles form ordered superlattices in the evaporative assembly along the X-ray transparent windows of a three-dimensional sample cell. The special design of the sample cell allows for monitoring the superlattice formation and transformation at different stages of the assembly process during the movement of the evaporation front in real time. The presented sample environment can be used to study the self-organization of a wide range of colloidal particles and other soft materials.
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Affiliation(s)
- I Lokteva
- Deutsches Elektronen-Synchrotron (DESY), Notkestraße 85, 22607 Hamburg, Germany
| | - M Walther
- Deutsches Elektronen-Synchrotron (DESY), Notkestraße 85, 22607 Hamburg, Germany
| | - M Koof
- Deutsches Elektronen-Synchrotron (DESY), Notkestraße 85, 22607 Hamburg, Germany
| | - G Grübel
- Deutsches Elektronen-Synchrotron (DESY), Notkestraße 85, 22607 Hamburg, Germany
| | - F Lehmkühler
- Deutsches Elektronen-Synchrotron (DESY), Notkestraße 85, 22607 Hamburg, Germany
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26
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Amorim PA, Diab M, Walther M, Färber G, Hagendorff A, Bonow RO, Doenst T. Limitations in the Assessment of Prosthesis-Patient Mismatch. Thorac Cardiovasc Surg 2019; 68:550-556. [DOI: 10.1055/s-0038-1676814] [Citation(s) in RCA: 6] [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] [Indexed: 12/31/2022]
Abstract
Abstract
Background Prosthesis-patient mismatch (PPM) after aortic valve replacement (AVR) may affect survival but data are conflicting. It is assessed by relating effective orifice area (EOA) to body surface area (EOAi). EOA is patient-specific as the result of flow-velocity times area at the individual patient's outflow tract levels (LVOTA) divided by trans-prosthetic flow velocity. However, some studies use projected EOAs (i.e., valve size associated EOAs from other patient populations) to assess how PPM affects outcome.
Methods We analyzed 76 studies addressing hemodynamic outcome and/or mortality after bioprosthetic AVR.
Results In 48 studies, projected or measured EOA for calculation of EOAi and PPM assessment was used (of which 25 demonstrated an effect on survival). We identified 28 additional studies providing measured EOA values and the corresponding Bernoulli's pressure gradients after AVR. Despite EOA being a patient-specific parameter, 77% of studies assessing a PPM impact on survival used projected EOAs. The 28 studies are providing measured EOA values and the corresponding Bernoulli's pressure gradients in patients after AVR showed a highly significant, linear relationship between EOA and Bernoulli's gradient. Considering this relationship, it is surprising that relating EOA to body surface area (BSA) (EOAi) is standard but relating pressure gradients to BSA is not.
Conclusion We conclude that the majority of studies assessing PPM have used false assumptions because EOA is a patient-specific parameter and cannot be transferred to other patients. In addition, the use of EOAi to assess PPM may not be appropriate and could explain the inconsistent relation between PPM and survival in previous studies.
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Affiliation(s)
- Paulo A. Amorim
- Department of Cardiothoracic Surgery, Friedrich Schiller University Jena, Jena, Germany
| | - Mahmoud Diab
- Department of Cardiothoracic Surgery, Friedrich Schiller University Jena, Jena, Germany
| | - Mario Walther
- Department of Basic Sciences, University of Applied Sciences Jena, Jena, Germany
| | - Gloria Färber
- Department of Cardiothoracic Surgery, Friedrich Schiller University Jena, Jena, Germany
| | - Andreas Hagendorff
- Department of Internal Medicine, University Hospital Leipzig, Leipzig, Germany
| | - Robert O. Bonow
- Division of Cardiology, Department of Medicine, Northwestern University Feinberg School of Medicine Chicago, Chicago, Germany
| | - Torsten Doenst
- Department of Cardiothoracic Surgery, Friedrich Schiller University Jena, Jena, Germany
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Franzke P, Bitsch A, Walther M, Schiffner R, Rupprecht S, Rasche M, Volk GF, Witte OW, Schlattmann P, Guntinas-Lichius O, Hagemann G, Schwab M, Rakers F. Weather, Weather Changes and the Risk of Bell's Palsy: A Multicenter Case-Crossover Study. Neuroepidemiology 2018; 51:207-215. [PMID: 30205396 DOI: 10.1159/000492671] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [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: 04/30/2018] [Accepted: 08/04/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND To evaluate if weather or changes in weather are risk factors for Bell's palsy (BP) as exposure to draught of cold air has been popularly associated with the occurrence of BP. METHODS Using a multicenter hospital-based case-crossover study, we analyzed the association between ambient temperature, atmospheric pressure, relative air humidity or their 24 h changes and the risk for BP in 825 patients or subgroups. RESULTS One day following a 24 h increase in atmospheric pressure of more than 6 hPa, the risk for BP increased by 35% (OR 1.35; 95% CI 1.03-1.78) in the overall population. The risk for BP more than doubled in patients with diabetes mellitus after rapid variations in ambient temperature, independent of the direction (temperature decrease > 2.25°C; OR 2.15; 95% CI 1.08-4.25; temperature increase between 0.75 and 2.25°C; OR 2.88; 95% CI 1.63-5.10). CONCLUSIONS Our findings support the hypothesis of an association between certain weather conditions and the risk for BP with acute changes in atmospheric pressure and ambient temperature as the main risk factors. Additionally, contrasting results for risk of BP after temperature changes in the diabetic and non-diabetic subgroups support the paradigm of a diabetic facial palsy as a distinct disease entity.
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Affiliation(s)
- Peter Franzke
- Hans Berger Department of Neurology, Jena, .,Department of Neurology, Neuruppin,
| | | | - Mario Walther
- Institute of Medical Statistics, Computer Sciences and Documentation, Jena, Germany.,Department of Fundamental Sciences, Ernst-Abbe-University of Applied Sciences, Jena, Germany
| | | | | | | | - Gerd Fabian Volk
- Department of Otorhinolaryngology, Jena University Hospital, Jena, Germany
| | - Otto W Witte
- Hans Berger Department of Neurology, Jena, Germany
| | - Peter Schlattmann
- Institute of Medical Statistics, Computer Sciences and Documentation, Jena, Germany
| | | | - Georg Hagemann
- HELIOS Hospital Berlin-Buch, Department of Neurology, Berlin, Germany
| | | | - Florian Rakers
- Hans Berger Department of Neurology, Jena, Germany.,Department of Psychiatry, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany
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Hörterer H, Baumbach SF, Mehlhorn AT, Altenberger S, Röser A, Polzer H, Walther M. [Fractures of the lateral process of the talus-snowboarder's ankle]. Unfallchirurg 2018; 121:715-722. [PMID: 29959450 DOI: 10.1007/s00113-018-0519-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Fractures of the lateral tubercle of the talus (PLT) are rare. With the increasing popularity of the trend sport snowboarding, the incidence of PLT fractures has increased. The most common classification of PLT fractures is the Hawkins classification. The aim of this review was to raise awareness for the injury and discuss the current evidence. A literature search revealed eight studies, each including at least seven patients. Six out of the eight studies were descriptive, retrospective case series without predefined treatment concepts. These resulted in only moderate treatment outcomes. Due to the low number of patients, the lack of computed tomography (CT) or magnetic resonance imaging (MRI) and inconsistent treatment approaches, these studies do not allow to draw conclusions on a treatment concept for PLT fractures. The other two studies validated existing treatment regimens. Overall, surgical treatment of dislocated fractures and conservative treatment of non-dislocated fractures was carried out with satisfactory results. The outcome of conservative treatment of dislocated factures remains unclear. A reason for the inconsistent treatment results could be the observed concomitant injuries, including dislocation of the tendons of the peroneus muscles (46%), calcaneal chondral injuries (48%) and subluxation of the subtalar joint (7%). Based on the limited evidence available, the authors recommend the application of CT and MRI for PLT fractures to assess concomitant injuries, which are the primary indication for surgery. Dislocated type I and II fractures (>2 mm) should be treated operatively, type III and non-dislocated type I and II fractures can be treated conservatively by immobilization and partial weight-bearing for 6 weeks.
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Affiliation(s)
- H Hörterer
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Str. 51, 81547, München, Deutschland.
- PMU Salzburg, Strubergasse 21, 5020, Salzburg, Österreich.
| | - S F Baumbach
- Klinik für Allgemeine, Unfall- und Wiederherstellungschirurgie, Klinikum der Universität München, München, Deutschland
| | - A T Mehlhorn
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Str. 51, 81547, München, Deutschland
| | - S Altenberger
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Str. 51, 81547, München, Deutschland
| | - A Röser
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Str. 51, 81547, München, Deutschland
| | - H Polzer
- Klinik für Allgemeine, Unfall- und Wiederherstellungschirurgie, Klinikum der Universität München, München, Deutschland
| | - M Walther
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Str. 51, 81547, München, Deutschland
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29
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Galla M, Walther M. Arthroskopische und offene Eingriffe am Fuß und Sprunggelenk. Arthroskopie 2018. [DOI: 10.1007/s00142-018-0199-5] [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: 10/14/2022]
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30
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Walther M, Chomej P, Kriegelstein S, Altenberger S, Röser A. [Minimally invasive cheilectomy]. Oper Orthop Traumatol 2018; 30:161-170. [PMID: 29696322 DOI: 10.1007/s00064-018-0543-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 11/26/2017] [Accepted: 11/27/2017] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Treatment of hallux rigidus by minimally invasive resection of the dorsal osteophytes, synovectomy and resection of the dorsal part of the metatarsal head. INDICATIONS Hallux rigidus grades II and III CONTRAINDICATIONS: End-stage osteoarthritis of the first metatarsophalangeal joint with beginning ankylosis. SURGICAL TECHNIQUE Osteophytes around the metatarsophalangeal joint are removed using a 1 cm incision dorsomedial, approximately 3 cm proximal of the joint space. The dorsal third of the metatarsal head is resected with a burr to improve dorsiflexion. The extent of bone resection is checked with an image intensifier. Loose bone fragments removed with a rangeur. An arthroscopy can be performed to check the completeness of bone resection, the irrigation of the joint and, if needed, to extend the synovectomy. POSTOPERATIVE MANAGEMENT Removal of the sutures after 2 weeks. Depending on pain, the patient can change from the postoperative shoe to a normal soft, comfortable and wide shoe after 1-2 weeks. Nonsteroidal drugs can be prescribed as needed. Active and passive mobilization of the metatarsophalangeal joint is also recommended. RESULTS The technique allows a soft-tissue-preserving resection of the osteophytes and a partial resection of the metatarsal head. The main advantages are limited soft-tissue trauma and rapid rehabilitation. In all, 21 women and 17 men with hallux rigidus stages II and III (Vanore) underwent surgery. Minimum follow-up was 12 months. In 1 patient, injury of the extensor hallucis longus tendon was observed. Two patients underwent revision surgery. One patient was converted to a metatarsophalangeal fusion, while another patient received a resection arthroplasty. At the latest follow-up, the AOFAS (American Orthopaedic Foot & Ankle Society) score averaged 88.7 points.
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Affiliation(s)
- M Walther
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching - FIFA Medical Centre, Harlachinger Straße 51, 81547, München, Deutschland.
| | - P Chomej
- St. Elisabeth-Krankenhaus Leipzig, Leipzig, Deutschland
| | - S Kriegelstein
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching - FIFA Medical Centre, Harlachinger Straße 51, 81547, München, Deutschland
| | - S Altenberger
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching - FIFA Medical Centre, Harlachinger Straße 51, 81547, München, Deutschland
| | - A Röser
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching - FIFA Medical Centre, Harlachinger Straße 51, 81547, München, Deutschland
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31
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Müller L, Hartmann G, Schleitzer S, Berntsen MH, Walther M, Rysov R, Roseker W, Scholz F, Seltmann J, Glaser L, Viefhaus J, Mertens K, Bagschik K, Frömter R, De Fanis A, Shevchuk I, Medjanik K, Öhrwall G, Oepen HP, Martins M, Meyer M, Grübel G. Note: Soft X-ray transmission polarizer based on ferromagnetic thin films. Rev Sci Instrum 2018; 89:036103. [PMID: 29604789 DOI: 10.1063/1.5018396] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A transmission polarizer for producing elliptically polarized soft X-ray radiation from linearly polarized light is presented. The setup is intended for use at synchrotron and free-electron laser beamlines that do not directly offer circularly polarized light for, e.g., X-ray magnetic circular dichroism (XMCD) measurements or holographic imaging. Here, we investigate the degree of ellipticity upon transmission of linearly polarized radiation through a cobalt thin film. The experiment was performed at a photon energy resonant to the Co L3-edge, i.e., 778 eV, and the polarization of the transmitted radiation was determined using a polarization analyzer that measures the directional dependence of photo electrons emitted from a gas target. Elliptically polarized radiation can be created at any absorption edge showing the XMCD effect by using the respective magnetic element.
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Affiliation(s)
- L Müller
- Deutsches Elektronen-Synchrotron DESY, FS-CXS, 22607 Hamburg, Germany
| | - G Hartmann
- Deutsches Elektronen-Synchrotron DESY, FS-PE, 22607 Hamburg, Germany
| | - S Schleitzer
- Deutsches Elektronen-Synchrotron DESY, FS-CXS, 22607 Hamburg, Germany
| | - M H Berntsen
- SCI Materials Physics, KTH Royal Institute of Technology, Electrum 229, 16440 Kista, Sweden
| | - M Walther
- Deutsches Elektronen-Synchrotron DESY, FS-CXS, 22607 Hamburg, Germany
| | - R Rysov
- Deutsches Elektronen-Synchrotron DESY, FS-CXS, 22607 Hamburg, Germany
| | - W Roseker
- Deutsches Elektronen-Synchrotron DESY, FS-CXS, 22607 Hamburg, Germany
| | - F Scholz
- Deutsches Elektronen-Synchrotron DESY, FS-PE, 22607 Hamburg, Germany
| | - J Seltmann
- Deutsches Elektronen-Synchrotron DESY, FS-PE, 22607 Hamburg, Germany
| | - L Glaser
- Deutsches Elektronen-Synchrotron DESY, FS-PE, 22607 Hamburg, Germany
| | - J Viefhaus
- Deutsches Elektronen-Synchrotron DESY, FS-PE, 22607 Hamburg, Germany
| | - K Mertens
- Department of Physics, Universität Hamburg, 22761 Hamburg, Germany
| | - K Bagschik
- Universität Hamburg, Center for Hybrid Nanostructures, 22761 Hamburg, Germany
| | - R Frömter
- Universität Hamburg, Center for Hybrid Nanostructures, 22761 Hamburg, Germany
| | - A De Fanis
- European XFEL, 22869 Schenefeld, Germany
| | - I Shevchuk
- European XFEL, 22869 Schenefeld, Germany
| | - K Medjanik
- MAX IV Laboratory, Lund University, 22100 Lund, Sweden
| | - G Öhrwall
- MAX IV Laboratory, Lund University, 22100 Lund, Sweden
| | - H P Oepen
- Universität Hamburg, Center for Hybrid Nanostructures, 22761 Hamburg, Germany
| | - M Martins
- Department of Physics, Universität Hamburg, 22761 Hamburg, Germany
| | - M Meyer
- European XFEL, 22869 Schenefeld, Germany
| | - G Grübel
- Deutsches Elektronen-Synchrotron DESY, FS-CXS, 22607 Hamburg, Germany
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Rasche M, Walther M, Schiffner R, Kroegel N, Rupprecht S, Schlattmann P, Schulze PC, Franzke P, Witte OW, Schwab M, Rakers F. Rapid increases in nitrogen oxides are associated with acute myocardial infarction: A case-crossover study. Eur J Prev Cardiol 2018; 25:1707-1716. [PMID: 29446990 DOI: 10.1177/2047487318755804] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [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] [Indexed: 11/17/2022]
Abstract
Aims High concentrations of air pollutants are associated with increased risk for myocardial infarction. The European Union has defined statutory limits for air pollutants based on upper absolute concentrations. We evaluated the association between rapid changes in air pollutants and the risk of myocardial infarction independently of absolute concentrations. Methods and results Using a hospital-based case-crossover study, effects of 24h changes of nitrogen oxides (NOX/2), particulate matter (PM10), and ozone on the risk of myocardial infarction was assessed in 693 patients. In the overall population, increases of NOX of more than 20 µg/m3 within 24 h were associated with an increase in the risk of myocardial infarction by up to 121% (odds ratio (OR) 2.21, 95% confidence interval (CI) 1.19-4.08). Comparably, rapid increases of NO2 of more than 8 µg/m3 tended to increase myocardial infarction risk by 73% (OR 1.73, 95% CI 0.91-3.28) while myocardial infarction risk decreased by 60% after a decrease of NO2 concentration of more than 8 µg/m3 (OR 0.4, 95% CI 0.21-0.77), suggesting a close-to-linear association. While results for ozone concentrations were ambiguous, rapid change in PM10 was not associated with myocardial infarction risk. Conclusion Dynamics and extent of increase in nitrogen oxide concentrations may be an independent risk factor for myocardial infarction. As there are currently no European Union statutory limits reflecting this dynamic variation of air pollutants on a daily basis, the results urgently call for confirming studies in different geographical regions to verify the observations.
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Affiliation(s)
- Marius Rasche
- 1 Hans Berger Department of Neurology, University Hospital Jena, Germany
| | - Mario Walther
- 2 Institute of Medical Statistics, Computer Sciences and Documentation, University Hospital Jena, Germany.,3 Department of Fundamental Sciences, Ernst-Abbe-University of Applied Sciences, Jena, Germany
| | - Rene Schiffner
- 1 Hans Berger Department of Neurology, University Hospital Jena, Germany
| | - Nasim Kroegel
- 1 Hans Berger Department of Neurology, University Hospital Jena, Germany
| | - Sven Rupprecht
- 1 Hans Berger Department of Neurology, University Hospital Jena, Germany
| | - Peter Schlattmann
- 2 Institute of Medical Statistics, Computer Sciences and Documentation, University Hospital Jena, Germany
| | | | - Peter Franzke
- 5 Department of Neurology, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany
| | - Otto W Witte
- 1 Hans Berger Department of Neurology, University Hospital Jena, Germany
| | - Matthias Schwab
- 1 Hans Berger Department of Neurology, University Hospital Jena, Germany
| | - Florian Rakers
- 1 Hans Berger Department of Neurology, University Hospital Jena, Germany.,6 Department of Psychiatry, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany
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Ali R., Walther M, Bodmeier R. Cellulose Acetate Butyrate: Ammonio Methacrylate Copolymer Blends as a Novel Coating in Osmotic Tablets. AAPS PharmSciTech 2018. [PMID: 28634790 DOI: 10.1208/s12249-017-0825-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
The objective of this work was the preparation of osmotic tablets using polymer blends of cellulose acetate butyrate (CAB) or ethylcellulose with ammonio methacrylate copolymer (Eudragit® RL). The advantage of these coatings in comparison to the traditionally used cellulose acetate is their solubility in safer organic solvents like ethanol. Polymer films were characterized with respect to their water uptake, dry mass loss, and mechanical properties. The effect of the polymer blend ratio on drug release and on the rupture force of the coating was investigated. In addition, the effect of drug solubility and content, pH and agitation rate of the release medium, and coating level and plasticizer content on the release were studied. With increased Eudragit® RL content in the coating blends, higher medium uptake of the film was observed, resulting in shorter lag times and faster drug release from the osmotic tablets. Replacing ethylcellulose with cellulose acetate butyrate as a coating material led to shorter lag times and faster drug release due to increased film permeability. In addition, CAB-based films had a higher strength and flexibility. The drug release was osmotically controlled and decreased with increasing coating level. It increased with increased drug solubility, plasticizer content, change of buffer species (acetate > phosphate), and decreased coating level. Agitation rate and drug content had no effect on the drug release. A 20% w/w coating level was sufficient for the tablet to tolerate forces of more than five times of the gastric destructive force reported in literature.
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Walther M, Zahn D. From bismuth oxide/hydroxide precursor clusters towards stable oxides: Proton transfer reactions and structural reorganization govern the stability of [Bi18O13(OH)10]-nitrate clusters. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2017.10.064] [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: 10/18/2022]
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Abstract
INTRODUCTION Endoprostheses of the ankle joint show higher revision rates of 3.29 revisions per 100 component years. The aims of this study were the application and modification of the consensus classification of the synovia-like interface membrane (SLIM) for periprosthetic failure of the ankle joint, the etiological clarification of periprosthetic pseudocysts and a detailed measurement of proliferative activity (Ki67) in the region of osteolysis. MATERIAL AND METHOD Tissue samples from 159 patients were examined according to the criteria of the standardized consensus classification. Of these, 117 cases were derived from periprosthetic membranes of the ankle. The control group included 42 tissue specimens from the hip and knee joints. Particle identification and characterization were carried out using the particle algorithm. An immunohistochemical examination with Ki67 proliferation was performed in all cases of ankle pseudocysts and 19 control cases. RESULTS The consensus classification of SLIM is transferrable to endoprosthetic failure of the ankle joint. Periprosthetic pseudocysts with the histopathological characteristics of the appropriate SLIM subtype were detectable in 39 cases of ankle joint endoprostheses (33.3%). The mean value of the Ki67 index was 14% and showed an increased proliferation rate in periprosthetic pseudocysts of the ankle (p-value 0.02037). CONCLUSION In periprosthetic pseudocysts an above average higher detection rate of type 1 SLIM induced by abrasion (51.3%) with an increased Ki67 proliferation fraction (p-value 0.02037) was found, which can be interpreted as local destructive intraosseus synovialitis. This can be the reason for formation of pseudocystic osteolysis caused by high mechanical stress in ankle endoprostheses. A simplified diagnostic classification scoring system of dysfunctional endoprostheses of the ankle is proposed for collation of periprosthetic pseudocysts, ossifications and the Ki67 proliferation fraction.
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Affiliation(s)
- S Müller
- Zentrum für Histologie, Zytologie und molekulare Diagnostik, Max-Planck-Straße 5, 54296, Trier, Deutschland.
| | - M Walther
- Schön-Klinik München-Harlaching, München, Deutschland
| | - A Röser
- Schön-Klinik München-Harlaching, München, Deutschland
| | - V Krenn
- Zentrum für Histologie, Zytologie und molekulare Diagnostik, Max-Planck-Straße 5, 54296, Trier, Deutschland
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Kunath F, Schmidt S, Krabbe L, Miernik A, Dahm P, Cleves A, Walther M, Kroeger N. Partial nephrectomy versus radical nephrectomy for clinical localised renal masses. Cochrane Database Syst Rev 2017; 5:CD012045. [PMID: 28485814 PMCID: PMC6481491 DOI: 10.1002/14651858.cd012045.pub2] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Partial nephrectomy and radical nephrectomy are the relevant surgical therapy options for localised renal cell carcinoma. However, debate regarding the effects of these surgical approaches continues and it is important to identify and summarise high-quality studies to make surgical treatment recommendations. OBJECTIVES To assess the effects of partial nephrectomy compared with radical nephrectomy for clinically localised renal cell carcinoma. SEARCH METHODS We searched CENTRAL, MEDLINE, PubMed, Embase, Web of Science, BIOSIS, LILACS, Scopus, two trial registries and abstracts from three major conferences to 24 February 2017, together with reference lists; and contacted selected experts in the field. SELECTION CRITERIA We included a randomised controlled trial comparing partial and radical nephrectomy for participants with small renal masses. DATA COLLECTION AND ANALYSIS One review author screened all of the titles and abstracts; only citations that were clearly irrelevant were excluded at this stage. Next, two review authors independently assessed full-text reports, identified relevant studies, evaluated the eligibility of the studies for inclusion, assessed trial quality and extracted data. The update of the literature search was performed by two independent review authors. We used Review Manager 5 for data synthesis and data analyses. MAIN RESULTS We identified one randomised controlled trial including 541 participants that compared partial nephrectomy to radical nephrectomy. The median follow-up was 9.3 years.Based on low quality evidence, we found that time-to-death of any cause was decreased using partial nephrectomy (HR 1.50, 95% CI 1.03 to 2.18). This corresponds to 79 more deaths (5 more to 173 more) per 1000. Also based on low quality evidence, we found no difference in serious adverse events (RR 2.04, 95% CI 0.19 to 22.34). Findings are consistent with 4 more surgery-related deaths (3 fewer to 78 more) per 1000.Based on low quality evidence, we found no difference in time-to-recurrence (HR 1.37, 95% CI 0.58 to 3.24). This corresponds to 12 more recurrences (14 fewer to 70 more) per 1000. Due to the nature of reporting, we were unable to analyse overall rates for immediate and long-term adverse events. We found no evidence on haemodialysis or quality of life.Reasons for downgrading related to study limitations (lack of blinding, cross-over), imprecision and indirectness (a substantial proportion of patients were ultimately found not to have a malignant tumour). Based on the finding of a single trial, we were unable to conduct any subgroup or sensitivity analyses. AUTHORS' CONCLUSIONS Partial nephrectomy may be associated with a decreased time-to-death of any cause. With regards to surgery-related mortality, cancer-specific survival and time-to-recurrence, partial nephrectomy appears to result in little to no difference.
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Affiliation(s)
- Frank Kunath
- University Hospital ErlangenDepartment of UrologyKrankenhausstrasse 12ErlangenGermany91054
- UroEvidence@Deutsche Gesellschaft für UrologieBerlinGermany
| | | | - Laura‐Maria Krabbe
- UroEvidence@Deutsche Gesellschaft für UrologieBerlinGermany
- University of Muenster Medical CenterDepartment of UrologyAlbert‐Schweitzer Campus 1, GB A1MuensterNRWGermany48149
| | - Arkadiusz Miernik
- UroEvidence@Deutsche Gesellschaft für UrologieBerlinGermany
- Medical University Centre FreiburgDepartment of UrologyHugstetterstrasse 55FreiburgBaden‐WürttembergGermany79106
| | - Philipp Dahm
- Minneapolis VA Health Care SystemUrology SectionOne Veterans DriveMail Code 112DMinneapolisMinnesotaUSA55417
| | - Anne Cleves
- Cardiff University Library ServicesVelindre NHS TrustVelindre Cancer CentreCardiffWalesUKCF14 2TL
| | | | - Nils Kroeger
- UroEvidence@Deutsche Gesellschaft für UrologieBerlinGermany
- University Hospital GreifswaldDepartment of Urology17489 GreifswaldGreifswaldGermany
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Rakers F, Walther M, Schiffner R, Rupprecht S, Rasche M, Kockler M, Witte OW, Schlattmann P, Schwab M. Weather as a risk factor for epileptic seizures: A case-crossover study. Epilepsia 2017; 58:1287-1295. [PMID: 28480567 DOI: 10.1111/epi.13776] [Citation(s) in RCA: 35] [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] [Accepted: 04/03/2017] [Indexed: 01/27/2023]
Abstract
OBJECTIVE Most epileptic seizures occur unexpectedly and independently of known risk factors. We aimed to evaluate the clinical significance of patients' perception that weather is a risk factor for epileptic seizures. METHODS Using a hospital-based, bidirectional case-crossover study, 604 adult patients admitted to a large university hospital in Central Germany for an unprovoked epileptic seizure between 2003 and 2010 were recruited. The effect of atmospheric pressure, relative air humidity, and ambient temperature on the onset of epileptic seizures under temperate climate conditions was estimated. RESULTS We found a close-to-linear negative correlation between atmospheric pressure and seizure risk. For every 10.7 hPa lower atmospheric pressure, seizure risk increased in the entire study population by 14% (odds ratio [OR] 1.14, 95% confidence interval [CI] 1.01-1.28). In patients with less severe epilepsy treated with one antiepileptic medication, seizure risk increased by 36% (1.36, 1.09-1.67). A high relative air humidity of >80% increased seizure risk in the entire study population by up to 48% (OR 1.48, 95% CI 1.11-1.96) 3 days after exposure in a J-shaped association. High ambient temperatures of >20°C decreased seizure risk by 46% in the overall study population (OR 0.54, 95% CI 0.32-0.90) and in subgroups, with the greatest effects observed in male patients (OR 0.33, 95% CI 0.14-0.74). SIGNIFICANCE Low atmospheric pressure and high relative air humidity are associated with an increased risk for epileptic seizures, whereas high ambient temperatures seem to decrease seizure risk. Weather-dependent seizure risk may be accentuated in patients with less severe epilepsy. Our results require further replication across different climate regions and cohorts before reliable clinical recommendations can be made.
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Affiliation(s)
- Florian Rakers
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany.,Department of Neurology, HELIOS Hospital Berlin-Buch, Berlin, Germany
| | - Mario Walther
- Institute of Medical Statistics, Computer Sciences and Documentation, Jena University Hospital, Jena, Germany.,Department of Fundamental Sciences, Ernst-Abbe-University of Applied Sciences, Jena, Germany
| | - Rene Schiffner
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
| | - Sven Rupprecht
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
| | - Marius Rasche
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
| | - Michael Kockler
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
| | - Otto W Witte
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
| | - Peter Schlattmann
- Institute of Medical Statistics, Computer Sciences and Documentation, Jena University Hospital, Jena, Germany
| | - Matthias Schwab
- Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany
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Adametz L, Richter F, Strauss B, Walther M, Wick K, Berger U. Long-term effectiveness of a school-based primary prevention program for anorexia nervosa: A 7-to 8-year follow-up. Eat Behav 2017; 25:42-50. [PMID: 27260298 DOI: 10.1016/j.eatbeh.2016.05.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 05/17/2016] [Accepted: 05/19/2016] [Indexed: 12/17/2022]
Abstract
PURPOSE This is the first study to evaluate the long-term effectiveness of a school-based prevention program in Germany. The aim is to determine the long-term effects of the primary prevention program PriMa (Primary prevention of anorexia nervosa in preadolescent girls) on disordered eating and body self-esteem from childhood to young adulthood. METHODS PriMa was conducted and successfully evaluated in a quasi-experimental pre-post design with a control group from 2007 to 2008 consisting of 11-13year old girls (N=1508) from Thuringian schools in Germany. Seven to eight years after the intervention, the same cohort (mean age 19.8years) was invited to complete an online survey. Disordered eating (EAT-26), body self-esteem (FBeK) and BMI were assessed via self-report. The response rate at seven-to-eight-year follow-up was very low (7%). Data of N=100 girls were analyzed. RESULTS Concerning changes in disordered eating, results revealed no significant long-term effect of PriMa seven to eight years after the intervention. During this time, disordered eating remained stable without a significant increase or decrease. Regarding changes in body self-esteem, group courses differed significantly from each other. The results revealed a significant main effect of group, indicating significant differences in changes of body self-esteem between the intervention and the control group. Following the analysis of these changes of body self-esteem over time, it was found that the intervention group revealed an increase of body self-esteem after program participation and remained stable over time. By contrast, the control group revealed a decrease of body self-esteem over time. CONCLUSIONS Long-term intervention effects of PriMa could be found for body self-esteem but not for disordered eating. The findings suggest that PriMa prevented a decrease of body self-esteem from childhood to young adulthood. For a broader dissemination it is necessary to implement prevention programs consistently in school settings. In order to maintain the prevention effects, it would be interesting to investigate the effects of booster sessions which refresh the programs content on a regular basis. Furthermore, the results of this study revealed the implementation difficulties of primary prevention programs especially concerning the retention of the sample size.
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Affiliation(s)
- Luise Adametz
- Jena University Hospital, Institute of Psychosocial Medicine and Psychotherapy, Stoystr. 3, D-07743 Jena, Germany.
| | - Felicitas Richter
- Jena University Hospital, Institute of Psychosocial Medicine and Psychotherapy, Stoystr. 3, D-07743 Jena, Germany.
| | - Bernhard Strauss
- Jena University Hospital, Institute of Psychosocial Medicine and Psychotherapy, Stoystr. 3, D-07743 Jena, Germany.
| | - Mario Walther
- Jena University Hospital, Institute of Medical Statistics, Computer Sciences und Documentation, Bachstr. 18, D-07743 Jena, Germany.
| | - Katharina Wick
- Jena University Hospital, Institute of Psychosocial Medicine and Psychotherapy, Stoystr. 3, D-07743 Jena, Germany.
| | - Uwe Berger
- Jena University Hospital, Institute of Psychosocial Medicine and Psychotherapy, Stoystr. 3, D-07743 Jena, Germany.
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Edler C, Gehl A, Kohwagner J, Walther M, Krebs O, Augustin C, Klein A. Erratum to: Blood Trace Evidence on Washed Textiles - a systematic approach. Int J Legal Med 2017; 131:1191. [PMID: 28275858 DOI: 10.1007/s00414-017-1569-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Carolin Edler
- Department of Legal Medicine, University of Hamburg-Eppendorf, Butenfeld 34, 22529, Hamburg, Germany.
| | - A Gehl
- Department of Legal Medicine, University of Hamburg-Eppendorf, Butenfeld 34, 22529, Hamburg, Germany
| | - J Kohwagner
- Authority for Interior and Sport, Hamburg, Germany
| | - M Walther
- Authority for Interior and Sport, Hamburg, Germany
| | - O Krebs
- Department of Legal Medicine, University of Hamburg-Eppendorf, Butenfeld 34, 22529, Hamburg, Germany
| | - C Augustin
- Department of Legal Medicine, University of Hamburg-Eppendorf, Butenfeld 34, 22529, Hamburg, Germany
| | - A Klein
- Department of Legal Medicine, University of Hamburg-Eppendorf, Butenfeld 34, 22529, Hamburg, Germany
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Lutter I, Walther M, Fischer S, Cullum J. A genetics-based approach to studying photodynamic inactivation in Escherichia coli K12. Photodiagnosis Photodyn Ther 2017. [DOI: 10.1016/j.pdpdt.2017.01.095] [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: 10/19/2022]
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Edler C, Gehl A, Kohwagner J, Walther M, Krebs O, Augustin C, Klein A. Blood Trace Evidence on Washed Textiles - a systematic approach. Int J Legal Med 2017; 131:1179-1189. [DOI: 10.1007/s00414-017-1549-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 01/24/2017] [Indexed: 11/24/2022]
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Fischer M, Schnetzke U, Spies-Weisshart B, Walther M, Fleischmann M, Hilgendorf I, Hochhaus A, Scholl S. Impact of FLT3-ITD diversity on response to induction chemotherapy in patients with acute myeloid leukemia. Haematologica 2016; 102:e129-e131. [PMID: 28034991 DOI: 10.3324/haematol.2016.157180] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Affiliation(s)
- Mike Fischer
- Klinik für Innere Medizin II, Abteilung für Hämatologie und Internistische Onkologie, Universitätsklinikum Jena, Germany
| | - Ulf Schnetzke
- Klinik für Innere Medizin II, Abteilung für Hämatologie und Internistische Onkologie, Universitätsklinikum Jena, Germany
| | - Bärbel Spies-Weisshart
- Klinik für Innere Medizin II, Abteilung für Hämatologie und Internistische Onkologie, Universitätsklinikum Jena, Germany
| | - Mario Walther
- Jena University of Applied Sciences, Department of Fundamental Sciences, Germany
| | - Maximilian Fleischmann
- Klinik für Innere Medizin II, Abteilung für Hämatologie und Internistische Onkologie, Universitätsklinikum Jena, Germany
| | - Inken Hilgendorf
- Klinik für Innere Medizin II, Abteilung für Hämatologie und Internistische Onkologie, Universitätsklinikum Jena, Germany
| | - Andreas Hochhaus
- Klinik für Innere Medizin II, Abteilung für Hämatologie und Internistische Onkologie, Universitätsklinikum Jena, Germany
| | - Sebastian Scholl
- Klinik für Innere Medizin II, Abteilung für Hämatologie und Internistische Onkologie, Universitätsklinikum Jena, Germany
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William D, Walther M, Schneider B, Classen CF. Characteristics of Glioblastoma multiforme cancer stem-like cells. Klin Padiatr 2016. [DOI: 10.1055/s-0036-1593560] [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: 10/20/2022]
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Aurich M, Albrecht D, Angele P, Becher C, Fickert S, Fritz J, Müller PE, Niemeyer P, Pietschmann M, Spahn G, Walther M. [Treatment of Osteochondral Lesions in the Ankle: A Guideline from the Group "Clinical Tissue Regeneration" of the German Society of Orthopaedics and Traumatology (DGOU)]. Z Orthop Unfall 2016; 155:92-99. [PMID: 27769090 DOI: 10.1055/s-0042-116330] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Background: Osteochondral lesions (OCL) of the ankle are a common cause of ankle pain. Although the precise pathophysiology has not been fully elucidated, it can be assumed that a variety of factors are responsible, mainly including traumatic events such as ankle sprains. Advances in arthroscopy and imaging techniques, in particular magnetic resonance imaging (MRI), have improved the possibilities for the diagnosis of OCLs of the ankle. Moreover, these technologies aim at developing new classification systems and modern treatment strategies. Material and Methods: This article is a review of the literature. Recommendations of the group "Clinical Tissue Regeneration" of the German Society of Orthopaedics and Traumatology (DGOU) for the treatment of OCLs of the ankle are presented. The review gives a concise overview on the results of clinical studies and discusses advantages and disadvantages of different treatment strategies. Results: Non-operative treatment shows good results for selected indications in children and adolescents, especially in early stages of osteochondritis dissecans (OCD). However, surgical treatment is usually indicated in OCLs in adolescents and adults, depending on the size and location of the lesion. Various arthroscopic and open procedures are frequently employed, including reattachment of the fragment, local debridement of the lesion with fragment removal and curettage of the lesion, bone marrow-stimulation by microfracture or microdrilling (antegrade or retrograde), and autologous matrix-induced chondrogenesis (AMIC®) - with or without reconstruction of a subchondral bone defect or cyst by autologous cancellous bone grafting. Isolated subchondral cysts with an intact cartilage surface can be treated by retrograde drilling and possibly additional retrograde bone grafting. For larger defects or as salvage procedure, osteochondral cylinder transplantation (OATS® or Mosaicplasty®) or matrix-induced autologous chondrocyte transplantation (MACT) are recommended. Transplantation of so-called (osteochondral) mega grafts, such as autologous bone grafts or allografts, are used for very large osteochondral defects that cannot be reconstructed otherwise. Implantation of the so-called "small metal implants" - such as HemiCAP Talus® - is reserved for selected cases after failed primary reconstruction. Corrective osteotomies are indicated in accompanying axial malalignments. Conclusions: There are several different treatment strategies for OCLs, but clinical studies are rare and evidence is limited. Therefore, interventional studies, e.g. randomised controlled trials (RCTs), but also observational studies, e.g. based on data of the Cartilage Registry of the German Society of Orthopaedics and Traumatology (www.knorpelregister-dgou.de), are needed and are recommended by the authors.
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Affiliation(s)
- M Aurich
- Klinik für Orthopädie und Unfallchirurgie, Sana Kliniken Leipziger Land GmbH, Borna
| | - D Albrecht
- Chirurgie, Klinik im Kronprinzenbau, Reutlingen
| | - P Angele
- Abteilung für Unfallchirurgie, Universitätsklinikum Regensburg
| | - C Becher
- Klinik für Orthopädie und Rheumatologie, Universitätsklinikum Gießen und Marburg GmbH, Standort Marburg
| | - S Fickert
- Sportorthopaedicum Regensburg/Straubing, Straubing
| | - J Fritz
- Orthopädie und Unfallchirurgie, Orthopädisch Chirurgisches Centrum, Tübingen
| | - P E Müller
- Orthopädische Klinik, Ludwig-Maximilians-Universität München
| | - P Niemeyer
- Klinik für Orthopädie und Unfallchirurgie, Universitätsklinikum Freiburg
| | - M Pietschmann
- Orthopädische Klinik, Ludwig-Maximilians-Universität München
| | - G Spahn
- Praxisklinik für Unfallchirurgie und Orthopädie, Eisenach
| | - M Walther
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München-Harlaching, München
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Steinke I, Walther M, Lehmkühler F, Wochner P, Valerio J, Mager R, Schroer MA, Lee S, Roseker W, Jain A, Sikorski M, Song S, Hartmann R, Huth M, Strüder L, Sprung M, Robert A, Fuoss PH, Stephenson GB, Grübel G. A liquid jet setup for x-ray scattering experiments on complex liquids at free-electron laser sources. Rev Sci Instrum 2016; 87:063905. [PMID: 27370468 DOI: 10.1063/1.4953921] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 06/01/2016] [Indexed: 05/26/2023]
Abstract
In this paper we describe a setup for x-ray scattering experiments on complex fluids using a liquid jet. The setup supports Small and Wide Angle X-ray Scattering (SAXS/WAXS) geometries. The jet is formed by a gas-dynamic virtual nozzle (GDVN) allowing for diameters ranging between 1 μm and 20 μm at a jet length of several hundred μm. To control jet properties such as jet length, diameter, or flow rate, the instrument is equipped with several diagnostic tools. Three microscopes are installed to quantify jet dimensions and stability in situ. The setup has been used at several beamlines performing both SAXS and WAXS experiments. As a typical example we show an experiment on a colloidal dispersion in a liquid jet at the X-ray Correlation Spectroscopy instrument at the Linac Coherent Light Source free-electron laser.
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Affiliation(s)
- I Steinke
- Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany
| | - M Walther
- Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany
| | - F Lehmkühler
- Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany
| | - P Wochner
- Max Plank-Institut für Festkörperforschung, Heisenbergstr. 1, 70569 Stuttgart, Germany
| | - J Valerio
- Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany
| | - R Mager
- Max Plank-Institut für Intelligente Systeme, Heisenbergstr. 3, 70569 Stuttgart, Germany
| | - M A Schroer
- Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany
| | - S Lee
- Frontier in Extreme Physics, Korea Research Institute of Standards and Science (KRISS), Daejeon 305-600, South Korea
| | - W Roseker
- Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany
| | - A Jain
- Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany
| | - M Sikorski
- LCLS, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S Song
- LCLS, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - R Hartmann
- PNSensor GmbH, Sckellstraße 3, 81667 München, Germany
| | - M Huth
- PNSensor GmbH, Sckellstraße 3, 81667 München, Germany
| | - L Strüder
- PNSensor GmbH, Sckellstraße 3, 81667 München, Germany
| | - M Sprung
- Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany
| | - A Robert
- LCLS, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - P H Fuoss
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - G B Stephenson
- Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - G Grübel
- Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany
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Abstract
BACKGROUND Endoscopic surgical techniques are nowadays standard procedures in medicine. The advantages of these minimally invasive techniques compared to open techniques are a smaller access route with reduced tissue damage, reduced scarring and often faster postoperative mobilization. Tendoscopy can be used to treat pathologies of tendons as well as of the surrounding tissues. OBJECTIVES This article presents the advantages of endoscopic treatment of the Achilles tendon compared to open procedures as well as the chances and limitations of tendoscopy. MATERIAL AND METHODS Surgical instructions for endoscopy of the Achilles tendon are presented and a review of the literature is given. RESULTS The literature review showed excellent results for pathologies of the paratenon and Achilles tendinitis. Compared to open surgery there was a significantly lower rate of wound healing problems. All articles reported a high reduction of pain level with an early return to sports activities. Limitations of the procedure are extensive intratendinous pathologies and alterations of tendon insertion sites. CONCLUSION Tendoscopy of the Achilles tendon is a safe but sometimes challenging minimally invasive technique for the treatment of paratendinopathy.
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Affiliation(s)
- S Kriegelstein
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Straße 51, 81547, München, Deutschland.
| | - S Altenberger
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Straße 51, 81547, München, Deutschland
| | - A Röser
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Straße 51, 81547, München, Deutschland
| | - M Walther
- Zentrum für Fuß- und Sprunggelenkchirurgie, Schön Klinik München Harlaching, Harlachinger Straße 51, 81547, München, Deutschland
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Franzke B, Walther M. Force-Matching. A New Approach to Determine Action Forces for the Ergonomic Evaluation in Automotive Industry. Advances in Ergonomic Design of Systems, Products and Processes 2016:361-372. [DOI: 10.1007/978-3-662-48661-0_24] [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: 09/02/2023]
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Smesny S, Gussew A, Biesel NJ, Schack S, Walther M, Rzanny R, Milleit B, Gaser C, Sobanski T, Schultz CC, Amminger P, Hipler UC, Sauer H, Reichenbach JR. Glutamatergic dysfunction linked to energy and membrane lipid metabolism in frontal and anterior cingulate cortices of never treated first-episode schizophrenia patients. Schizophr Res 2015; 168:322-9. [PMID: 26255566 DOI: 10.1016/j.schres.2015.07.013] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [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: 03/08/2015] [Revised: 06/10/2015] [Accepted: 07/06/2015] [Indexed: 12/22/2022]
Abstract
BACKGROUND Glutamatergic dysfunction and altered membrane lipid and energy metabolism have been repeatedly demonstrated in the frontal/prefrontal and anterior cingulate cortex (ACC) in schizophrenia. Though having been already studied in animals, the presumed link between glutamatergic function and structural plasticity has not been investigated directly in the human brain yet. We measured glutamate (Glu), focal energy metabolism, and membrane phospholipid turnover to investigate main pathologies in those key brain regions of schizophrenia. METHODS (1)H- and (31)P-Chemical Shift Imaging (CSI) was combined in a single session to assess Glu and markers of energy (PCr, ATP) and membrane lipid (PME, PDE) metabolism in 31 neuroleptic-naïve first acute onset psychosis patients and 31 matched healthy controls. Multivariate analyses of covariance were used to assess disease effects on Glu and to investigate the impact of Glu alterations on phospholipid and energy metabolites. RESULTS Glu levels of patients were increased in the frontal and prefrontal cortex bilaterally and in the ACC. Higher Glu was associated with increased left frontal/prefrontal PME and right frontal/prefrontal PDE in patients, which was not observed in healthy controls. In contrast, higher Glu levels were associated with lower PCr or ATP values in the frontal/prefrontal cortex bilaterally and in the right ACC of controls. This was not observed in the right ACC and left frontal/prefrontal cortex of patients. CONCLUSION Frontal glutamatergic hyperactivity is disconnected from physiologically regulated energy metabolism and is associated with increased membrane breakdown in right and increased membrane restoration in left frontal and prefrontal cortical regions. As indicated by previous findings, this pathology is likely dynamic during the course of first acute illness and possibly associated with negative symptoms and cognitive impairment. Our findings underline the importance of further research on neuroprotective treatment options during the early acute or even better for the ultra-high risk state of psychotic illness.
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Affiliation(s)
- Stefan Smesny
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany.
| | - Alexander Gussew
- Medical Physics Group, Department of Diagnostic and Interventional Radiology, Jena University Hospital, Philosophenweg 3, D-07740 Jena, Germany
| | - Natalie Joan Biesel
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany
| | - Stephan Schack
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany
| | - Mario Walther
- Institute of Medical Statistics, Computer Sciences and Documentation (IMSID), Jena University Hospital, Friedrich-Schiller University Jena, Bachstraße 18, D-07743 Jena, Germany
| | - Reinhard Rzanny
- Medical Physics Group, Department of Diagnostic and Interventional Radiology, Jena University Hospital, Philosophenweg 3, D-07740 Jena, Germany
| | - Berko Milleit
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany; Department of Psychiatry, Thüringen-Kliniken "Georgius Agricola" GmbH Rainweg 68, D-07318 Saalfeld/Saale, Germany
| | - Christian Gaser
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany
| | - Thomas Sobanski
- Department of Psychiatry, Thüringen-Kliniken "Georgius Agricola" GmbH Rainweg 68, D-07318 Saalfeld/Saale, Germany
| | - Carl Christoph Schultz
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany
| | - Paul Amminger
- Department of Child and Adolescent Psychiatry, Medical University Vienna, Währingergürtel 18-20, A-1090 Vienna, Austria; Orygen Youth Health Research Centre, The University of Melbourne, Locked Bag 10, 35 Poplar Road Parkville, Victoria 3052, Melbourne, Australia
| | - Uta-Christina Hipler
- Department of Dermatology, Jena University Hospital, Erfurter Straße 35, D-07743 Jena, Germany
| | - Heinrich Sauer
- Department of Psychiatry, Jena University Hospital, Philosophenweg 3, D-07743 Jena, Germany
| | - Jürgen R Reichenbach
- Medical Physics Group, Department of Diagnostic and Interventional Radiology, Jena University Hospital, Philosophenweg 3, D-07740 Jena, Germany
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Cubillos S, Jaradat SW, Walther M, Truta-Feles K, Koehler MJ, Norgauer J. Association of S100A7 gene polymorphisms with manifestations of common types of psoriasis: effect on serum calcium levels. Exp Dermatol 2015; 24:894-6. [PMID: 26173840 DOI: 10.1111/exd.12799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/01/2015] [Indexed: 12/18/2022]
Affiliation(s)
- Susana Cubillos
- Department of Dermatology, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
| | - Sameh W Jaradat
- Department of Dermatology, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
| | - Mario Walther
- Institute of Medical Statistics, Computer Sciences and Documentation, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
| | - Kristina Truta-Feles
- Department of Dermatology, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
| | - Martin J Koehler
- Department of Dermatology, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
| | - Johannes Norgauer
- Department of Dermatology, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
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