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Knoblauch M, Ma T, Beirith I, Koch D, Hofmann F, Heinrich K, Aghamaliev U, Sirtl S, Westphalen CB, Nieß H, Reichert M, Angele MK, Regel I, Bazhin AV, Werner J, Ilmer M, Renz BW. In-vitro model to mimic T cell subset change in human PDAC organoid co-culture. J Cancer Res Clin Oncol 2023; 149:13051-13064. [PMID: 37470855 PMCID: PMC10587248 DOI: 10.1007/s00432-023-05100-7] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 06/30/2023] [Indexed: 07/21/2023]
Abstract
PURPOSE Immunotherapies have largely failed as treatment options for pancreatic ductal adenocarcinoma (PDAC). In this field, clinical translational studies into personalized treatment are of fundamental importance. In our study, we model tumor-cell immune-cell interactions in a co-culture of primary human PDAC organoids and matched peripheral blood mononuclear cells (PBMCs). METHODS Using flow cytometry, we evaluated changes in T cell subtypes upon co-culture of patient-derived PDAC organoids and matched PBMCs. RESULTS After co-culturing PDAC organoids with PBMCs, we observed changes in CD4+, CD8+ and Treg cell populations. We observed favorable clinical outcome in patients whose PBMCs reacted to the co-culture with organoids. CONCLUSION This experimental model allows to investigate interactions between patient derived PDAC organoids and their PBMCs. This co-culture system could serve as a preclinical platform to guide personalized therapeutic strategies in the future.
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Affiliation(s)
- M Knoblauch
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany
- German Cancer Consortium (DKTK), German Cancer Research Centre (DKFZ), Heidelberg, Germany
| | - T Ma
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany
| | - I Beirith
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany
| | - D Koch
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany
| | - F Hofmann
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany
| | - K Heinrich
- Department of Hematology/Oncology and Comprehensive Cancer Center Munich, LMU University Hospital Munich, Ludwig-Maximilians-University Munich, Munich, Germany
| | - U Aghamaliev
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany
| | - S Sirtl
- Department of Medicine II, University Hospital, Ludwig Maximilian University of Munich, Bavarian Centre for Cancer Research (Bayerisches Zentrum Für Krebsforschung), Munich, Germany
| | - C B Westphalen
- Department of Hematology/Oncology and Comprehensive Cancer Center Munich, LMU University Hospital Munich, Ludwig-Maximilians-University Munich, Munich, Germany
| | - H Nieß
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany
| | - M Reichert
- German Cancer Consortium (DKTK), German Cancer Research Centre (DKFZ), Heidelberg, Germany
- Department of Internal Medicine II, Klinikum Rechts der Isar, Technische Universität München, Munich, Germany
- Translational Pancreatic Cancer Research Center, Klinik und Poliklinik für Innere Medizin II, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
- Center for Functional Protein Assemblies (CPA), Technical University of Munich, Garching, Germany
- Center for Organoid Systems (COS), Technical University of Munich, Garching, Germany
- Munich Institute of Biomedical Engineering (MIBE), Technical University of Munich, Garching, Germany
| | - M K Angele
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany
| | - I Regel
- Department of Medicine II, University Hospital, Ludwig Maximilian University of Munich, Bavarian Centre for Cancer Research (Bayerisches Zentrum Für Krebsforschung), Munich, Germany
| | - A V Bazhin
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany
- German Cancer Consortium (DKTK), German Cancer Research Centre (DKFZ), Heidelberg, Germany
| | - J Werner
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany
- German Cancer Consortium (DKTK), German Cancer Research Centre (DKFZ), Heidelberg, Germany
| | - M Ilmer
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany.
- German Cancer Consortium (DKTK), German Cancer Research Centre (DKFZ), Heidelberg, Germany.
| | - Bernhard W Renz
- Department of General, Visceral, and Transplantation Surgery, LMU Klinikum, Marchioninistr. 15, 81377, Munich, Germany.
- German Cancer Consortium (DKTK), German Cancer Research Centre (DKFZ), Heidelberg, Germany.
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Grimmer M, Sarria GR, Hamed M, Banat M, Koch D, Lorenzana H, Holz JA, Schmeel C, Kowark A, Schmeel LC, Garbe S. Image-Guided IORT after Surgical Resection of Brain Malignancies: A Feasibility Study. Int J Radiat Oncol Biol Phys 2023; 117:e715. [PMID: 37786089 DOI: 10.1016/j.ijrobp.2023.06.2217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Intraoperative radiation therapy (IORT) can be used to locally apply radiation doses to surgical cavities of resected brain metastases and glioblastoma. The miniaturized linear accelerator INTRABEAM 600® offers a low-energy system of 50kV X-rays. To date, placing the spherical applicator in the surgical bed has been done manually and without final positioning verification. Ultimately, without positional control, it must be assumed that the applicator is optimally positioned against the tissue in the tumor cavity, without any air interference or fluid underlying. Misplacements could lead to incomplete dose delivery, potentially yielding an increased risk of recurrence. Therefore, we deemed relevant to assess intraoperative imaging as a novel option for easing the applicator positioning. MATERIALS/METHODS A surgical environment was mimicked in two test runs with an interdisciplinary team, accounting for operating and anesthesia times. The IORT planning software Radiance (GMV Innovating Solutions, Madrid, Spain) was previously calibrated with a "cheese" phantom, using twelve different density levels from 0.3 to 1.842 g/cm3, yielding a value-to-density table with -600 to +600 HU range. Furthermore, two inserts were placed in the phantom to evaluate the quality and spatial resolution of the cone-beam CT (CBCT) imaging. The O-Arm System (Medtronic, Minneapolis, MN, USA) was employed for acquiring tomographic intraoperative imaging, once the applicator was placed in a skull-shaped phantom. Two expert radiation oncologists contoured the acquired dataset and performed the treatment calculations, based on a 30 Gy prescription dose. RESULTS We achieved the best possible CBCT imaging quality with the 120kV and 20mA setting parameters. This corresponds to the "HD3D (large)" O-Arm setting mode. With this, the image quality with artifact reduction, minimization of image noise and consideration of a low radiation exposure of only 0.5mSv for the patients is feasible. Approximately 15 additional minutes were accounted for contouring and planning times. CONCLUSION Good-quality intraoperative imaging can be obtained when performing IORT, easing the applicator positioning and resulting in a more precise target irradiation. Operating times would be minimally extended with this procedure. A clinical study will initiate based on these findings.
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Affiliation(s)
- M Grimmer
- Department of Radiation Oncology, University Hospital Bonn, Bonn, Germany
| | - G R Sarria
- Department of Radiation Oncology, University Hospital Bonn, Bonn, Germany
| | - M Hamed
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
| | - M Banat
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
| | - D Koch
- Department of Radiation Oncology, University Hospital Bonn, Bonn, Germany
| | - H Lorenzana
- Department of Neurosurgery, University Hospital Bonn, Bonn, Germany
| | - J A Holz
- Department of Radiation Oncology, University Hospital Bonn, Bonn, Germany
| | - C Schmeel
- Department of Neuro-Radiology, University Hospital Bonn, Bonn, Germany
| | - A Kowark
- Department of Anesthesiology, University Hospital Bonn, Bonn, Germany
| | - L C Schmeel
- Department of Radiation Oncology, University Hospital Bonn, Bonn, Germany
| | - S Garbe
- Department of Radiation Oncology, University Hospital Bonn, Bonn, Germany
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Scafa D, Sarria G, Giordano F, Koch D, Muedder T, Holz J, Nour Y, Garbe S, Gonzalez-Carmona M, Feldmann G, Vilz T, Köksal M, Schmeel L. PO-1530 Dosimetric comparison of Intraoperative Radiotherapy and SRS for liver metastases. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03494-6] [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: 11/25/2022]
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Stravitz RT, Fontana RJ, Meinzer C, Durkalski V, Hanje AJ, Olson J, Koch D, Hamid B, Schilsky ML, McGuire B, Ganger D, Liou I, Karvellas CJ, Rule JA, Lisman T, Clasen K, Reuben A, Cripps MW, Lee WM. Coagulopathy, Bleeding Events, and Outcome According to Rotational Thromboelastometry in Patients With Acute Liver Injury/Failure. Hepatology 2021; 74:937-949. [PMID: 33636020 PMCID: PMC10668528 DOI: 10.1002/hep.31767] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/01/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIMS Patients with acute liver injury or failure (ALI/ALF) experience bleeding complications uncommonly despite an abnormal hemostatic profile. Rotational thromboelastometry (ROTEM), which assesses clot formation in whole blood, was used to determine the nature of abnormal hemostasis and whether it contributes to bleeding events, illness severity, or survival. APPROACH AND RESULTS A total of 200 patients were recruited from sites of the ALF Study Group. Blood collected daily for up to 5 days was analyzed using ROTEM delta devices. Consistent with standard laboratory evidence of hypocoagulability (median international normalized ratio = 2.9 and platelet count = 144 × 109 /L), patients frequently exhibited ROTEM parameters outside the normal range (73% and 62% had abnormalities in clot formation from extrinsic and intrinsic clotting cascades, respectively); however, measures of clot stability were generally normal. Eighteen patients (9%) experienced bleeding events, in whom clot initiation, assembly, and firmness were more severely deranged than patients without bleeding. Abnormal ROTEM parameters were more frequently observed in patients with non-acetaminophen ALI/ALF than those with acetaminophen ALI/ALF (clot initiation [P < 0.001], assembly [P = 0.02], firmness at 10 minutes [P = 0.05], and maximal firmness [P = 0.06]). Patients with more severe systemic complications (high-grade hepatic encephalopathy and need for renal replacement therapy) also had a higher incidence of abnormal ROTEM parameters. Finally, more hypocoagulable ROTEM parameters (clot initiation (P = 0.005), stiffness at 10 minutes (P = 0.05), and maximal stiffness by fibrin assembly (P = 0.004)) were observed in patients who died or underwent liver transplantation than those who survived with their native liver. CONCLUSIONS In patients with ALI/ALF, abnormal ROTEM parameters are frequent and proportional to disease severity. Whether the increased bleeding risk associated with abnormal ROTEM indicates hemostatic failure or is a proxy for disease severity requires additional study.
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Affiliation(s)
- RT Stravitz
- Hume-Lee Transplant Center of Virginia Commonwealth University, Richmond, VA
| | - RJ Fontana
- Division of Gastroenterology and Hepatology, University of Michigan, Ann Arbor, MI
| | - C Meinzer
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - V Durkalski
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - AJ Hanje
- Department of Medicine, The Ohio State University, Columbus, OH
| | - J Olson
- Division of Gastroenterology, University of Kansas Medical Center, Kansas City, KS
| | - D Koch
- Department of Medicine, Medical University of South Carolina, Charleston, SC
| | - B Hamid
- Department of Medicine, University of California at San Francisco, San Francisco, CA
| | - ML Schilsky
- Divisions of Digestive Disease and Transplant and Immunology, Yale University, New Haven, CT
| | - B McGuire
- Division of Gastroenterology, University of Alabama, Birmingham, AL
| | - D Ganger
- Division of Gastroenterology, Northwestern University, Chicago, IL
| | - I Liou
- Department of Medicine, University of Washington, Seattle, WA
| | - CJ Karvellas
- Division of Gastroenterology (Liver Unit) and Department of Critical Care Medicine, University of Alberta, Edmonton, AB, Canada
| | - JA Rule
- Department of Internal Medicine, University of Texas, Southwestern Medical Center, Dallas, TX
| | - T Lisman
- Department of Surgery, University of Groningen, Groningen, The Netherlands
| | - K Clasen
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - A Reuben
- Department of Medicine, Medical University of South Carolina, Charleston, SC
| | - MW Cripps
- Department of Surgery, University of Texas, Southwestern Medical Center, Dallas, TX
| | - WM Lee
- Department of Internal Medicine, University of Texas, Southwestern Medical Center, Dallas, TX
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Nenoff P, Koch D, Krüger C, Neumeister C, Götz MR, Schwantes U, Bödeker RH, Borelli C. Activity of nadifloxacin and three other antimicrobial agents against Cutibacterium acnes isolated from patients with acne vulgaris. J Eur Acad Dermatol Venereol 2021; 35:e682-e684. [PMID: 34018651 PMCID: PMC8518973 DOI: 10.1111/jdv.17386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 04/27/2021] [Accepted: 05/07/2021] [Indexed: 12/01/2022]
Affiliation(s)
- P Nenoff
- Laboratory for Medical Microbiology, Rötha OT Mölbis, Germany
| | - D Koch
- Laboratory for Medical Microbiology, Rötha OT Mölbis, Germany
| | - C Krüger
- Laboratory for Medical Microbiology, Rötha OT Mölbis, Germany
| | | | - M R Götz
- Dr. Pfleger Arzneimittel GmbH, Bamberg, Germany
| | - U Schwantes
- Dr. Pfleger Arzneimittel GmbH, Bamberg, Germany
| | - R-H Bödeker
- TransMit Project Area for Medical Statistics, Justus Liebig University, Giessen, Germany
| | - C Borelli
- Unit of Aesthetic Dermatology and Laser Treatment, Department of Dermatology, Eberhard-Karls-University of Tübingen, Tübingen, Germany
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Pezzanite L, Frank C, Koch D, Moss A, Landolt G. Abdominal aortic thromboembolism and subsequent pelvic limb myositis secondary to colitis and septicaemia in a 5‐day‐old Oldenburg colt. EQUINE VET EDUC 2021. [DOI: 10.1111/eve.13412] [Citation(s) in RCA: 1] [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: 11/28/2022]
Affiliation(s)
- L. Pezzanite
- Department of Clinical Sciences College of Veterinary Medicine and Biomedical Sciences Colorado State University Fort Collins ColoradoUSA
| | - C. Frank
- Department of Microbiology, Immunology, and Pathology College of Veterinary Medicine and Biological Sciences Colorado State University Fort Collins Colorado USA
| | - D. Koch
- Department of Clinical Sciences College of Veterinary Medicine and Biomedical Sciences Colorado State University Fort Collins ColoradoUSA
| | - A. Moss
- Department of Clinical Sciences College of Veterinary Medicine and Biomedical Sciences Colorado State University Fort Collins ColoradoUSA
| | - G. Landolt
- Department of Clinical Sciences College of Veterinary Medicine and Biomedical Sciences Colorado State University Fort Collins ColoradoUSA
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Rowland EC, Taibjee SM, Koch D, Calonje E. Itchy plaques with associated comedonal openings and cysts. Clin Exp Dermatol 2020; 45:638-641. [PMID: 31957040 DOI: 10.1111/ced.14158] [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: 08/07/2019] [Accepted: 11/12/2019] [Indexed: 11/28/2022]
Affiliation(s)
- E C Rowland
- Department of Dermatology, Dorset County Hospital NHS Foundation Trust, Dorchester, Dorset, UK
| | - S M Taibjee
- Department of Dermatology, Dorset County Hospital NHS Foundation Trust, Dorchester, Dorset, UK
| | - D Koch
- Department of Dermatology, Dorset County Hospital NHS Foundation Trust, Dorchester, Dorset, UK
| | - E Calonje
- Department of Dermatology, Dorset County Hospital NHS Foundation Trust, Dorchester, Dorset, UK
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Wendrock-Shiga G, Mechtel D, Uhrlaß S, Koch D, Krüger C, Nenoff P. [Tinea barbae profunda due to Trichophyton mentagrophytes after journey to Thailand : Case report and review]. Hautarzt 2019; 68:639-648. [PMID: 28616693 DOI: 10.1007/s00105-017-4008-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [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: 12/28/2022]
Abstract
Tinea barbae represents a very rare dermatophytosis. We report on a tinea barbae profunda following a journey to Southeast Asia. After travel to Thailand, a businessman was affected by a foudroyant proceeding abscessing infection of the upper lip and beard area. The initial therapy with oral acyclovir and oral ciprofloxacin, which later was changed to ampicillin plus sulbactam, intravenously, was unsuccessful. In a biopsy sample, histologically, with Grocott-Gomori's methenamine silver stain, fungal mycelium was apparent in the tissue. Thereupon, terbinafine 250 mg was given for 4 weeks, topically, a 1% ciclopiroxolamine-containing cream. In fungal culture, T. mentagrophytes were found to grow. Meanwhile, the patient's German wife suffered from a tinea faciei. From skin scrapings from the cheek, T. mentagrophytes was also cultivated. This zoophilic dermatophyte was identical with other zoophilic strains of T. mentagrophytes currently found in Germany, which were also acquired in Thailand. The patient had contact with Thai female sex workers who must be considered as a source of infection of the dermatophytosis. There was no animal contact, neither in Thailand, nor in Germany. The infection chain of the dermatophytosis from Thailand probably reached from a female sex worker via the here described patient to his wife in Germany. This pathway of infection has been known for 1 or 2 years, but until now, in Germany, Switzerland, and Austria exclusively via pubogenital infections (tinea genitalis profunda) due to T. mentagrophytes after journeys to Southeast Asia. For treatment, oral antifungal agents should be used, first of all terbinafine, alternatively fluconazole or itraconazole.
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Affiliation(s)
- G Wendrock-Shiga
- Hautarztpraxis, Untere Hauptstr. 4a, 09376, Oelsnitz, Deutschland
| | - D Mechtel
- Klinik für Hautkrankheiten und Allergologie, Heinrich-Braun-Klinikum gGmbH, Karl-Keil-Str. 35, 08060, Zwickau, Deutschland
| | - S Uhrlaß
- Labor für medizinische Mikrobiologie, Partnerschaft Prof. Dr. med. Pietro Nenoff & Dr. med. Constanze Krüger, Mölbiser Hauptstr. 8, 04571, Rötha/OT Mölbis, Deutschland
| | - D Koch
- Labor für medizinische Mikrobiologie, Partnerschaft Prof. Dr. med. Pietro Nenoff & Dr. med. Constanze Krüger, Mölbiser Hauptstr. 8, 04571, Rötha/OT Mölbis, Deutschland
| | - C Krüger
- Labor für medizinische Mikrobiologie, Partnerschaft Prof. Dr. med. Pietro Nenoff & Dr. med. Constanze Krüger, Mölbiser Hauptstr. 8, 04571, Rötha/OT Mölbis, Deutschland
| | - P Nenoff
- Labor für medizinische Mikrobiologie, Partnerschaft Prof. Dr. med. Pietro Nenoff & Dr. med. Constanze Krüger, Mölbiser Hauptstr. 8, 04571, Rötha/OT Mölbis, Deutschland.
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Abstract
The present paper reports our first results after pars plana vitrectomy in patients with diabetic retinopathy and hemodialysis with a follow-up of 6 to 24 months. Between January 1992 and October 1994 we performed vitreoretinal surgery with silicone oil tamponade in nine eyes of seven patients with diabetic nephropathy on hemodialysis. All patients had had type I diabetes for 19–32 years. Over the observation period the retina was completely attached in eight eyes. Final visual acuity of 0.1 - 0.7 was attained in four eyes, 0.06 two, hand movements in one eye. Two eyes had no useful final visual acuity because of redetachment of the retina or secondary glaucoma with rubeosis iridis. The small number of complications shows that pars plana vitrectomy can be done in diabetic patients with nephropathy on hemodialysis. This significantly improves their quality of life
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Affiliation(s)
- J Nawrocki
- Department of Ophthalmology, Medical University, Lodz, Poland
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Schmeel L, Stumpf S, Koch D, Leitzen C, Vornholt S, Simon B, Schoroth F, Müdder T, Röhner F, Garbe S, Schmeel F, Schild H, Wilhelm-Buchstab T. EP-1264: Prophylactically applied Hydrofilm reduces radiation dermatitis in whole-breast radiation therapy. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)31574-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Nenoff P, Krüger C, Schulze I, Koch D, Rahmig N, Hipler UC, Uhrlaß S. Tinea capitis und Onychomykose durch Trichophyton soudanense. Hautarzt 2018; 69:737-750. [DOI: 10.1007/s00105-018-4155-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Affiliation(s)
- E. Fertitta
- Department of Physics, King's College London, London, UK
| | - D. Koch
- Department of Mechanical Engineering, National University of Singapore, Singapore
| | - B. Paulus
- Institut für Chemie und Biochemie - Physikalische und Theoretische Chemie, Freie Universität Berlin, Berlin, Germany
| | - G. Barcza
- Strongly Correlated Systems “Lendület” Research Group, Wigner Research Centre for Physics, Budapest, Hungary
| | - Ö. Legeza
- Strongly Correlated Systems “Lendület” Research Group, Wigner Research Centre for Physics, Budapest, Hungary
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Koch D, Montavon PM, Guerrero TG. Fixation of a proximal femoral physeal fracture in a dog using a ventral approach and two Kirschner wires. Vet Comp Orthop Traumatol 2018. [DOI: 10.1055/s-0038-1632939] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
SummaryA Salter-Harris type I proximal femoral physeal fracture was diagnosed in a six-month-old Norfolk Terrier. The fracture was reduced using a ventromedial approach to the hip joint and fixation with two small Kirschner wires applied from the joint surface and countersunk below the cartilage. The ventromedial approach minimizes soft-tissue and vascular damage and affords direct visualization of the fracture, facilitating reduction and fixation. The two-year postoperative outcome was considered satisfactory in this case.
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Watchorn RE, Thomas S, Miller C, Carr RA, Koch D, Thomas P, Taibjee SM. Keratoacanthoma management: results of a survey of U.K. dermatologists and surgeons. Br J Dermatol 2017; 178:e49-e50. [PMID: 28758190 DOI: 10.1111/bjd.15858] [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: 12/30/2022]
Affiliation(s)
- R E Watchorn
- Department of Dermatology, Royal Devon & Exeter Hospital, Exeter, U.K
| | - S Thomas
- Clinical Research Unit, Faculty of Health and Social Sciences, Bournemouth University, Bournemouth, U.K
| | - C Miller
- Research & Development, Dorset County Hospital, Dorchester, U.K
| | - R A Carr
- Department of Histopathology, Warwick Hospital, Warwick, U.K
| | - D Koch
- Department of Dermatology, Dorset County Hospital, Dorchester, U.K
| | - P Thomas
- Clinical Research Unit, Faculty of Health and Social Sciences, Bournemouth University, Bournemouth, U.K
| | - S M Taibjee
- Department of Dermatology, Dorset County Hospital, Dorchester, U.K
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Nenoff P, Koch D, Krüger C, Drechsel C, Mayser P. New insights on the antibacterial efficacy of miconazole in vitro. Mycoses 2017; 60:552-557. [PMID: 28370366 DOI: 10.1111/myc.12620] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [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: 12/16/2016] [Revised: 02/25/2017] [Accepted: 03/03/2017] [Indexed: 11/29/2022]
Abstract
Miconazole is a broad-spectrum antifungal used in topical preparations. In the present investigation the minimal inhibitory concentration (MIC) of miconazole for eighty wild type strains of gram-positive and gram-negative bacteria isolated from infected skin lesions was assessed using a modified agar dilution test (adapted to CLSI, Clinical Laboratory Standards Institute). 14 ATCC reference strains served as controls. Miconazole was found efficacious against gram-positive aerobic bacteria (n=62 species), the MICs against Staphylococcus (S.) aureus, S. spp., Streptococcus spp. und Enterococcus spp. ranged between 0.78 and 6.25 μg/mL. Interestingly, there were no differences in susceptibility between methicillin-susceptible (MSSA, 3) methicillin-resistant (MRSA, 6) and fusidic acid-resistant (FRSA, 2) S. aureus isolates. Strains of Streptococcus pyogenes (A-streptococci) (8) were found to be slightly more sensitive (0.78-1.563 μg/mL), while for gram-negative bacteria, no efficacy was found within the concentrations tested (MIC >200 μg/mL). In conclusion, for the gram-positive aerobic bacteria the MICs of miconazole were found within a range which is much lower than the concentration of miconazole used in topical preparations (2%). Thus topically applied miconazole might be a therapeutic option in skin infections especially caused by gram-positive bacteria even by those strains which are resistant to antibiotics.
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Affiliation(s)
- P Nenoff
- Labor für Medizinische Mikrobiologie, Rötha/OT Mölbis, Germany
| | - D Koch
- Labor für Medizinische Mikrobiologie, Rötha/OT Mölbis, Germany
| | - C Krüger
- Labor für Medizinische Mikrobiologie, Rötha/OT Mölbis, Germany
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Bertram D, Harfenist A, Cowen L, Koch D, Drever M, Hipfner J, Lemon M. Latitudinal temperature-dependent variation in timing of prey availability can impact Pacific seabird populations in Canada. CAN J ZOOL 2017. [DOI: 10.1139/cjz-2016-0197] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We modelled how nestling growth rates of Cassin’s Auklet (Ptychoramphus aleuticus (Pallas, 1811)) varied with timing of peak copepod prey availability at two breeding colonies in British Columbia: on Triangle Island, in the California Current Ecosystem, and Frederick Island, in the Gulf of Alaska Ecosystem. We used time series of nestling growth rates and estimated the seasonal timing of peak biomass of the copepod Neocalanus cristatus (Krøyer, 1848) using a temperature-dependent phenology equation. We developed a single model to examine intercolony differences in the effect of the timing of regional peak prey biomass on seabird nestling growth rates. This model indicated nestling growth rates on Triangle Island varied widely and were positively associated with timing of peak zooplankton biomass, such that higher growth rates were observed when the peak biomass occurred later in the breeding season. In contrast, nestling growth rates were consistently high at Frederick Island, where peak copepod biomass always occurred relatively late. If ocean climate warming results in a poleward shift of Neocalanus abundance and induces earlier and more narrow timing of availability, then episodes of poor nestling growth will increase in frequency on Triangle Island and could eventually affect auklets on more northerly colonies.
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Affiliation(s)
- D.F. Bertram
- Environment and Climate Change Canada, Wildlife Research Division, c/o Institute of Ocean Sciences, 9860 West Saanich Road, P.O. Box 6000, Sidney, BC V8L 4B2, Canada
- Centre for Wildlife Ecology, Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada
| | - A. Harfenist
- Environment and Climate Change Canada, Canadian Wildlife Service, 5421 Robertson Road, Delta, BC V4K 3N2, Canada
| | - L.L.E. Cowen
- Department of Mathematics and Statistics, University of Victoria, P.O. Box 1700, Station CSC, Victoria, BC V8W 2Y2, Canada
| | - D. Koch
- Department of Mathematics and Statistics, University of Victoria, P.O. Box 1700, Station CSC, Victoria, BC V8W 2Y2, Canada
| | - M.C. Drever
- Environment and Climate Change Canada, Canadian Wildlife Service, 5421 Robertson Road, Delta, BC V4K 3N2, Canada
| | - J.M. Hipfner
- Environment and Climate Change Canada, Wildlife Research Division, 5421 Robertson Road, Delta, BC V4K 3N2, Canada
- Centre for Wildlife Ecology, Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada
| | - M.J.F. Lemon
- Environment and Climate Change Canada, Canadian Wildlife Service, 5421 Robertson Road, Delta, BC V4K 3N2, Canada
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Rob D, Špunda R, Lindner J, Šmalcová J, Šmíd O, Kovárník T, Linhart A, Bìlohlávek J, Marinoni MM, Cianchi G, Trapani S, Migliaccio ML, Gucci L, Bonizzoli M, Cramaro A, Cozzolino M, Valente S, Peris A, Grins E, Kort E, Weiland M, Shresta NM, Davidson P, Algotsson L, Fitch S, Marco G, Sturgill J, Lee S, Dickinson M, Boeve T, Khaghani A, Wilton P, Jovinge S, Ahmad AN, Loveridge R, Vlachos S, Patel S, Gelandt E, Morgan L, Butt S, Whitehorne M, Kakar V, Park C, Hayes M, Willars C, Hurst T, Best T, Vercueil A, Auzinger G, Adibelli B, Akovali N, Torgay A, Zeyneloglu P, Pirat A, Kayhan Z, Schmidbauer SS, Herlitz J, Karlsson T, Friberg H, Knafelj R, Radsel P, Duprez F, Bonus T, Cuvelier G, Mashayekhi S, Maka M, Ollieuz S, Reychler G, Mosaddegh R, Abbasi S, Talaee S, Zotzmann VZ, Staudacher DS, Wengenmayer TW, Dürschmied DD, Bode CB, Nelskylä A, Nurmi J, Jousi M, Schramko A, Mervaala E, Ristagno G, Skrifvars M, Ozsoy G, Kendirli T, Azapagasi E, Perk O, Gadirova U, Ozcinar E, Cakici M, Baran C, Durdu S, Uysalel A, Dogan M, Ramoglu M, Ucar T, Tutar E, Atalay S, Akar R, Kamps M, Leeuwerink G, Hofmeijer J, Hoiting O, Van der Hoeven J, Hoedemaekers C, Konkayev A, Kuklin V, Kondratyev T, Konkayeva M, Akhatov N, Sovershaev M, Tveita T, Dahl V, Wihersaari L, Skrifvars MB, Bendel S, Kaukonen KM, Vaahersalo J, Romppanen J, Pettilä V, Reinikainen M, Lybeck A, Cronberg T, Nielsen N, Friberg H, Rauber M, Steblovnik K, Jazbec A, Noc M, Kalasbail P, Garrett F, Kulstad E, Bergström DJ, Olsson HR, Schmidbauer S, Friberg H, Mandel I, Mikheev S, Podoxenov Y, Suhodolo I, Podoxenov A, Svirko J, Sementsov A, Maslov L, Shipulin V, Vammen LV, Rahbek SR, Secher NS, Povlsen JP, Jessen NJ, Løfgren BL, Granfeldt AG, Grossestreuer A, Perman S, Patel P, Ganley S, Portmann J, Cocchi M, Donnino M, Nassar Y, Fathy S, Gaber A, Mokhtar S, Chia YC, Lewis-Cuthbertson R, Mustafa K, Sabra A, Evans A, Bennett P, Eertmans W, Genbrugge C, Boer W, Dens J, De Deyne C, Jans F, Skorko A, Thomas M, Casadio M, Coppo A, Vargiolu A, Villa J, Rota M, Avalli L, Citerio G, Moon JB, Cho JH, Park CW, Ohk TG, Shin MC, Won MH, Papamichalis P, Zisopoulou V, Dardiotis E, Karagiannis S, Papadopoulos D, Zafeiridis T, Babalis D, Skoura A, Staikos I, Komnos A, Passos SS, Maeda F, Souza LS, Filho AA, Granjeia TAG, Schweller M, Franci D, De Carvalho Filho M, Santos TM, De Azevedo P, Wall R, Welters I, Tansuwannarat P, Sanguanwit P, Langer T, Carbonara M, Caccioppola A, Fusarini CF, Carlesso E, Paradiso E, Battistini M, Cattaneo E, Zadek F, Maiavacca R, Stocchetti N, Pesenti A, Ramos A, Acharta F, Toledo J, Perezlindo M, Lovesio L, Dogliotti A, Lovesio C, Schroten N, Van der Veen B, De Vries MC, Veenstra J, Abulhasan YB, Rachel S, Châtillon-Angle M, Alabdulraheem N, Schiller I, Dendukuri N, Angle M, Frenette C, Lahiri S, Schlick K, Mayer SA, Lyden P, Akatsuka M, Arakawa J, Yamakage M, Rubio J, Mateo-Sidron JAR, Sierra R, Celaya M, Benitez L, Alvarez-Ossorio S, Rubio J, Mateo-Sidron JAR, Sierra R, Fernandez A, Gonzalez O, Engquist H, Rostami E, Enblad P, Toledo J, Ramos A, Acharta F, Canullo L, Nallino J, Dogliotti A, Lovesio C, Perreault M, Talic J, Frenette AJ, Burry L, Bernard F, Williamson DR, Adukauskiene D, Cyziute J, Adukauskaite A, Malciene L, Luca L, Rogobete A, Bedreag O, Papurica M, Sarandan M, Cradigati C, Popovici S, Vernic C, Sandesc D, Avakov V, Shakhova I, Trimmel H, Majdan M, Herzer GH, Sokoloff CS, Albert M, Williamson D, Odier C, Giguère J, Charbonney E, Bernard F, Husti Z, Kaptás T, Fülep Z, Gaál Z, Tusa M, Donnelly J, Aries M, Czosnyka M, Robba C, Liu M, Ercole A, Menon D, Hutchinson P, Smielewski P, López R, Graf J, Montes JM, Kenawi M, Kandil A, Husein K, Samir A, Heijneman J, Huijben J, Abid-Ali F, Stolk M, Van Bommel J, Lingsma H, Van der Jagt M, Cihlar RC, Mancino G, Bertini P, Forfori F, Guarracino F, Pavelescu D, Grintescu I, Mirea L, Alamri S, Tharwat M, Kono N, Okamoto H, Uchino H, Ikegami T, Fukuoka T, Simoes M, Trigo E, Coutinho P, Pimentel J, Franci A, Basagni D, Boddi M, Cozzolino M, Anichini V, Cecchi A, Peris A, Markopoulou D, Venetsanou K, Papanikolaou I, Barkouri T, Chroni D, Alamanos I, Cingolani E, Bocci MG, Pisapia L, Tersali A, Cutuli SL, Fiore V, Palma A, Nardi G, Antonelli M, Coke R, Kwong A, Dwivedi DJ, Xu M, McDonald E, Marshall JC, Fox-Robichaud AE, Charbonney E, Liaw PC, Kuchynska I, Malysh IR, Zgrzheblovska LV, Mestdagh L, Verhoeven EF, Hubloue I, Ruel-laliberte J, Zarychanski R, Lauzier F, Bonaventure PL, Green R, Griesdale D, Fowler R, Kramer A, Zygun D, Walsh T, Stanworth S, Léger C, Turgeon AF, Baron DM, Baron-Stefaniak J, Leitner GC, Ullrich R, Tarabrin O, Mazurenko A, Potapchuk Y, Sazhyn D, Tarabrin P, Tarabrin O, Mazurenko A, Potapchuk Y, Sazhyn D, Tarabrin P, Pérez AG, Silva J, Artemenko V, Bugaev A, Tokar I, Konashevskaya S, Kolesnikova IM, Roitman EV, Kiss TR, Máthé Z, Piros L, Dinya E, Tihanyi E, Smudla A, Fazakas J, Ubbink R, Boekhorst te P, Mik E, Caneva L, Ticozzelli G, Pirrelli S, Passador D, Riccardi F, Ferrari F, Roldi EM, Di Matteo M, Bianchi I, Iotti GA, Zurauskaite G, Voegeli A, Meier M, Koch D, Haubitz S, Kutz A, Bargetzi M, Mueller B, Schuetz P, Von Meijenfeldt G, Van der Laan M, Zeebregts C, Christopher KB, Vernikos P, Melissopoulou T, Kanellopoulou G, Panoutsopoulou M, Xanthis D, Kolovou K, Kypraiou T, Floros J, Broady H, Pritchett C, Marshman M, Jannaway N, Ralph C, Lehane CL, Keyl CK, Zimmer EZ, Trenk DT, Ducloy-Bouthors AS, Jonard MJ, Fourrier F, Piza F, Correa T, Marra A, Guerra J, Rodrigues R, Vilarinho A, Aranda V, Shiramizo S, Lima MR, Kallas E, Cavalcanti AB, Donoso M, Vargas P, Graf J, McCartney J, Ramsay S, McDowall K, Novitzky-Basso I, Wright C, Medic MG, Bielen L, Radonic V, Zlopasa O, Vrdoljak NG, Gasparovic V, Radonic R, Narváez G, Cabestrero D, Rey L, Aroca M, Gallego S, Higuera J, De Pablo R, González LR, Chávez GN, Lucas JH, Alonso DC, Ruiz MA, Valarezo LJ, De Pablo Sánchez R, Real AQ, Wigmore TW, Bendavid I, Cohen J, Avisar I, Serov I, Kagan I, Singer P, Hanison J, Mirza U, Conway D, Takasu A, Tanaka H, Otani N, Ohde S, Ishimatsu S, Coffey F, Dissmann P, Mirza K, Lomax M, Dissmann P, Coffey F, Mirza K, Lomax M, Miner JR, Leto R, Markota AM, Gradišek PG, Aleksejev VA, Sinkovič AS, Romagnoli S, Chelazzi C, Zagli G, Benvenuti F, Mancinelli P, Boninsegni P, Paparella L, Bos AT, Thomas O, Goslar T, Knafelj R, Perreault M, Martone A, Sandu PR, Rosu VA, Capilnean A, Murgoi P, Frenette AJ, Lecavalier A, Jayaraman D, Rico P, Bellemare P, Gelinas C, Williamson D, Nishida T, Kinoshita T, Iwata N, Yamakawa K, Fujimi S, Maggi L, Sposato F, Citterio G, Bonarrigo C, Rocco M, Zani V, De Blasi RA, Alcorn D, Barry L, Riedijk MA, Milstein DM, Caldas J, Panerai R, Camara L, Ferreira G, Bor-Seng-Shu E, Lima M, Galas F, Mian N, Nogueira R, de Oliveira GQ, Almeida J, Jardim J, Robinson TG, Gaioto F, Hajjar LA, Zabolotskikh I, Musaeva T, Saasouh W, Freeman J, Turan A, Saseedharan S, Pathrose E, Poojary S, Messika J, Martin Y, Maquigneau N, Henry-Lagarrigue M, Puechberty C, Stoclin A, Martin-Lefevre L, Blot F, Dreyfuss D, Dechanet A, Hajage D, Ricard J, Almeida E, Almeida J, Landoni G, Galas F, Fukushima J, Fominskiy E, De Brito C, Cavichio L, Almeida L, Ribeiro U, Osawa E, Boltes R, Battistella L, Hajjar L, Fontela P, Lisboa T, Junior LF, Friedman GF, Abruzzi F, Primo JAP, Filho PM, de Andrade JS, Brenner KM, boeira MS, Leães C, Rodrigues C, Vessozi A, Machado AS, Weiler M, Bryce H, Hudson A, Law T, Reece-Anthony R, Molokhia A, Abtahinezhadmoghaddam F, Cumber E, Channon L, Wong A, Groome R, Gearon D, Varley J, Wilson A, Reading J, Wong A, Zampieri FG, Bozza FA, Ferez M, Fernandes H, Japiassú A, Verdeal J, Carvalho AC, Knibel M, Salluh JI, Soares M, Gao J, Ahmadnia E, Patel B, McCartney J, MacKay A, Binning S, Wright C, Pugh RJ, Battle C, Hancock C, Harrison W, Szakmany T, Mulders F, Vandenbrande J, Dubois J, Stessel B, Siborgs K, Ramaekers D, Soares M, Silva UV, Homena WS, Fernandes GC, Moraes AP, Brauer L, Lima MF, De Marco F, Bozza FA, Salluh JI, Maric N, Mackovic M, Udiljak N, Bosso CE, Caetano RD, Cardoso AP, Souza OA, Pena R, Mescolotte MM, Souza IA, Mescolotte GM, Bangalore H, Borrows E, Barnes D, Ferreira V, Azevedo L, Alencar G, Andrade A, Bierrenbach A, Buoninsegni LT, Bonizzoli M, Cecci L, Cozzolino M, Peris A, Lindskog J, Rowland K, Sturgess P, Ankuli A, Molokhia A, Rosa R, Tonietto T, Ascoli A, Madeira L, Rutzen W, Falavigna M, Robinson C, Salluh J, Cavalcanti A, Azevedo L, Cremonese R, Da Silva D, Dornelles A, Skrobik Y, Teles J, Ribeiro T, Eugênio C, Teixeira C, Zarei M, Hashemizadeh H, Eriksson M, Strandberg G, Lipcsey M, Larsson A, Lignos M, Crissanthopoulou E, Flevari K, Dimopoulos P, Armaganidis A, Golub JG, Markota AM, Stožer AS, Sinkovič AS, Rüddel H, Ehrlich C, Burghold CM, Hohenstein C, Winning J, Sellami W, Hajjej Z, Bousselmi M, Gharsallah H, Labbene I, Ferjani M, Sattler J, Steinbrunner D, Poppert H, Schneider G, Blobner M, Kanz KG, Schaller SJ, Apap K, Xuereb G, Xuereb G, Apap K, Massa L, Xuereb G, Apap K, Massa L, Delvau N, Penaloza A, Liistro G, Thys F, Delattre IK, Hantson P, Roy PM, Gianello P, Hadîrcă L, Ghidirimschi A, Catanoi N, Scurtov N, Bagrinovschi M, Sohn YS, Cho YC, Golovin B, Creciun O, Ghidirimschi A, Bagrinovschi M, Tabbara R, Whitgift JZ, Ishimaru A, Yaguchi A, Akiduki N, Namiki M, Takeda M, Tamminen JN, Reinikainen M, Uusaro A, Taylor CG, Mills ED, Mackay AD, Ponzoni C, Rabello R, Serpa A, Assunção M, Pardini A, Shettino G, Corrêa T, Vidal-Cortés PV, Álvarez-Rocha L, Fernández-Ugidos P, Virgós-Pedreira A, Pérez-Veloso MA, Suárez-Paul IM, Del Río-Carbajo L, Fernández SP, Castro-Iglesias A, Butt A, Alghabban AA, Khurshid SK, Ali ZA, Nizami IN, Salahuddin NS, Alshahrani M, Alsubaie AW, Alshamsy AS, Alkhiliwi BA, Alshammari HK, Alshammari MB, Telmesani NK, Alshammari RB, Asonto LP, Zampieri FG, Damiani LP, Bozza F, Salluh JI, Cavalcanti AB, El Khattate A, Bizrane M, Madani N, Belayachi J, Abouqal R, Ramnarain D, Gouw-Donders B, Benstoem C, Moza A, Meybohm P, Stoppe C, Autschbach R, Devane D, Goetzenich A, Taniguchi LU, Araujo L, Salgado G, Vieira JM, Viana J, Ziviani N, Pessach I, Lipsky A, Nimrod A, O´Connor M, Matot I, Segal E, Kluzik A, Gradys A, Smuszkiewicz P, Trojanowska I, Cybulski M, De Jong A, Sebbane M, Chanques G, Jaber S, Rosa R, Robinson C, Bessel M, Cavalheiro L, Madeira L, Rutzen W, Oliveira R, Maccari J, Falavigna M, Sanchez E, Dutra F, Dietrich C, Balzano P, Rezende J, Teixeira C, Sinha S, Majhi K, Gorlicki JG, Pousset FP, Kelly J, Aron J, Gilbert AC, Urankar NP, Knafelj R, Irazabal M, Bosque M, Manciño J, Kotsopoulos A, Jansen N, Abdo W, Casey ÚM, O’Brien B, Plant R, Doyle B. 37th International Symposium on Intensive Care and Emergency Medicine (part 2 of 3). Crit Care 2017. [PMCID: PMC5374552 DOI: 10.1186/s13054-017-1630-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Goodsman DW, Koch D, Whitehouse C, Evenden ML, Cooke BJ, Lewis MA. Aggregation and a strong Allee effect in a cooperative outbreak insect. Ecol Appl 2016; 26:2621-2634. [PMID: 27862568 DOI: 10.1002/eap.1404] [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] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 04/21/2016] [Accepted: 06/13/2016] [Indexed: 06/06/2023]
Abstract
Most species that are negatively impacted when their densities are low aggregate to minimize this effect. Aggregation has the potential to change how Allee effects are expressed at the population level. We studied the interplay between aggregation and Allee effects in the mountain pine beetle (Dendroctonus ponderosae Hopkins), an irruptive bark beetle that aggregates to overcome tree defenses. By cooperating to surpass a critical number of attacks per tree, the mountain pine beetle is able to breach host defenses, oviposit, and reproduce. Mountain pine beetles and Hymenopteran parasitoids share some biological features, the most notable of which is obligatory host death as a consequence of parasitoid attack and development. We developed spatiotemporal models of mountain pine beetle dynamics that were based on the Nicholson-Bailey framework but which featured beetle aggregation and a tree-level attack threshold. By fitting our models to data from a local mountain pine beetle outbreak, we demonstrate that due to aggregation, attack thresholds at the tree level can be overcome by a surprisingly low ratio of beetles per susceptible tree at the stand level. This results confirms the importance of considering aggregation in models of organisms that are subject to strong Allee effects.
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Affiliation(s)
- D W Goodsman
- Department of Biological Sciences, University of Alberta, CW 405, Biological Sciences Bldg, Edmonton, Alberta, T6G 2E9, Canada
| | - D Koch
- Mathematical and Statistical Sciences, University of Alberta, 632 CAB, Edmonton, Alberta, T6G 2G1, Canada
| | - C Whitehouse
- Operations Division, Alberta Agriculture and Forestry, Peace River, Alberta, T8S 1T4, Canada
| | - M L Evenden
- Department of Biological Sciences, University of Alberta, CW 405, Biological Sciences Bldg, Edmonton, Alberta, T6G 2E9, Canada
| | - B J Cooke
- Canadian Forest Service, Northern Forestry Centre, 5320 122 Street Northwest, Edmonton, Alberta, T6H 3S5, Canada
| | - M A Lewis
- Department of Biological Sciences, University of Alberta, CW 405, Biological Sciences Bldg, Edmonton, Alberta, T6G 2E9, Canada
- Mathematical and Statistical Sciences, University of Alberta, 632 CAB, Edmonton, Alberta, T6G 2G1, Canada
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Demoulin C, Duvallon L, Roussel N, Humblet F, Bornheim S, Harry E, Salamun I, Lambert A, Koch D, Mahieu G, Crielaard J, Vanderthommen M, Bruyere O. Traduction en français du « Brief Illness Perceived Questionnaire » adapté aux patients lombalgiques et étude de ses qualités métrologiques. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/s1169-8330(16)30511-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Koch D, Fertitta E, Paulus B. Calculation of the static and dynamical correlation energy of pseudo-one-dimensional beryllium systems via a many-body expansion. J Chem Phys 2016; 145:024104. [DOI: 10.1063/1.4955317] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- D. Koch
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
| | - E. Fertitta
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
| | - B. Paulus
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
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Gröne J, Koch D, Kreis ME. Impact of intraoperative microperfusion assessment with Pinpoint Perfusion Imaging on surgical management of laparoscopic low rectal and anorectal anastomoses. Colorectal Dis 2015; 17 Suppl 3:22-8. [PMID: 26394739 DOI: 10.1111/codi.13031] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [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] [Received: 05/29/2015] [Accepted: 05/29/2015] [Indexed: 02/08/2023]
Abstract
AIM Inadequate intestinal blood flow may contribute to anastomotic leakage accounting for substantial morbidity and mortality in colorectal surgery. Precise intraoperative assessment of microperfusion may have an impact on the surgeons intraoperative management and leakage rate. METHOD In this single center observational study we implemented and integrated intraoperative indocyanin green (ICG) based microperfusion assessment of anastomosis with Pinpoint Perfusion Imaging in a series of consecutive rectal cancer patients who underwent laparoscopic anterior and lower anterior resection with primary anastomosis during a 5-months period. RESULTS We could demonstrate the feasibility and safety of intraoperative fluorescence angiography for colorectal microperfusion assessment. Technology implementation was immediately successful. No adverse effects have been documented related to fluorescent dye. Microperfusion angiography of the colon succeeded in all cases and assessment of perfusion imaging influenced surgical decision making in 28% of the patients, of which all patients showed primary healing of the anastomosis. We found a leakage rate of 6% with one leakage of a coloanal anastomosis in all patients. CONCLUSION Fluorescence angiography is an accurate tool for assessing microperfusion and is most likely associated with improved outcomes with regard to anastomotic healing.
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Affiliation(s)
- J Gröne
- Department of General, Visceral and Vascular Surgery, Charité Campus Benjamin Franklin, Charité University Medicine Berlin, Berlin, Germany
| | - D Koch
- Department of General, Visceral and Vascular Surgery, Charité Campus Benjamin Franklin, Charité University Medicine Berlin, Berlin, Germany
| | - M E Kreis
- Department of General, Visceral and Vascular Surgery, Charité Campus Benjamin Franklin, Charité University Medicine Berlin, Berlin, Germany
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Heitkötter B, Schulz R, Koch D, Schmidt P, Schmeling A, Wittschieber D. Interdisziplinäre Aufklärung eines ungewöhnlichen Stromunfalls. Rechtsmedizin (Berl) 2015. [DOI: 10.1007/s00194-015-0038-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Madan A, Borckardt JJ, Balliet WE, Barth KS, Delustro LM, Malcolm RM, Koch D, Willner I, Baliga P, Reuben A. Neurocognitive status is associated with all-cause mortality among psychiatric, high-risk liver transplant candidates and recipients. Int J Psychiatry Med 2015; 49:279-95. [PMID: 26078395 DOI: 10.1177/0091217415589304] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [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
OBJECTIVE Judicious selection of potential liver transplant candidates and close monitoring of progress are essential to successful outcomes. Pretransplant psychosocial evaluations are the norm, but the relationship between psychosocial (and neurocognitive status) and longer term medical outcomes is understudied. This exploratory study sought to examine the relationship between objective measures of pretransplant psychosocial and neurocognitive status and service utilization, transplant status, and all-cause mortality. METHODS This retrospective chart review examined outcomes among 108 psychiatric, high-risk liver transplant candidates up to four years following initial evaluation. Predictor variables of outcomes included demographic, medical, neurocognitive, psychological, and mental health treatment variables. RESULTS Transplant status and neurocognitive functioning were independently associated with all-cause mortality. None of the other variables were associated with outcomes. CONCLUSIONS Better neurocognitive functioning in high-risk liver transplant candidates may allow for greater involvement in medical care and/or compliance with treatment recommendations. More aggressive assessment and management of neurocognitive dysfunction may improve outcomes. Objective measures identified significant psychopathology typical of liver transplant candidates but were not associated with outcomes; engagement in specialized mental health care may have attenuated this relationship. Further study is needed to better understand the relationship between psychosocial functioning and outcomes.
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Affiliation(s)
- A Madan
- The Menninger Clinic, Houston, TX, USA Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA
| | - J J Borckardt
- Department of Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - W E Balliet
- Department of Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - K S Barth
- Department of Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - L M Delustro
- Department of Psychology, East Tennessee State University, Johnson City, TN, USA
| | - R M Malcolm
- Department of Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - D Koch
- Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - I Willner
- Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - P Baliga
- Department of Surgery, Medical University of South Carolina, Charleston, SC, USA
| | - A Reuben
- Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
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Martinez-Garcia E, Taibjee S, Koch D, Osborne R. Vemurafenib-induced hyperkeratosis of the areola treated with topical adapelene. Clin Exp Dermatol 2015; 41:148-51. [DOI: 10.1111/ced.12606] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/04/2014] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - D. Koch
- Dorset County Hospital; Dorchester UK
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Thomas Y, Boquete-Suter P, Koch D, Pittet D, Kaiser L. Survival of influenza virus on human fingers. Clin Microbiol Infect 2013; 20:O58-64. [PMID: 23927722 DOI: 10.1111/1469-0691.12324] [Citation(s) in RCA: 39] [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] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 05/24/2013] [Accepted: 06/28/2013] [Indexed: 01/16/2023]
Abstract
Indirect transmission of the influenza virus via finger contamination with respiratory mucus droplets has been hypothesized to contribute to transmission in the community. Under laboratory conditions, influenza-infected respiratory droplets were reconstituted as close as possible to natural conditions. We investigated experimentally the survival of influenza A (H3N2) and A (H1N1)pdm09 viruses on human fingers. Infectious virus was easily recoverable on all fingers 1 min after fingertip contamination but then decreased very rapidly. After 30 min, infectious virus was detectable in only a small minority of subjects. Infectious viruses were detected for a longer period of time when droplets of larger size containing a higher number of particles were tested or when the viral concentration increased. A rapid decrease in infectiousness was observed when droplet integrity was disrupted. Our findings could help to set up the promotion of hand hygiene to prevent influenza hand contamination.
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Affiliation(s)
- Y Thomas
- Laboratory of Virology and Swiss National Reference Center for Influenza, Division of Infectious Diseases and Division of Laboratory Medicine, University Hospitals of Geneva and Medical School, University of Geneva, Geneva, Switzerland
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Urbach M, Koch D, Weiß H, Pauly J. Requirements of emergency control managements on data and information for assessment of the radiological situation in case of a severe accident in a nuclear power plant. KERNTECHNIK 2013. [DOI: 10.3139/124.100348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
In case of a severe accident in one of the nuclear power plants in northern Germany consequences may reach across the borders of counties and Länder and several local and regional authorities will have responsibilities for disaster response measures. Consistent assessment of the situation and coordinated action are essential for protection of the population and task personnel as effective as possible. Disaster response managements have to come to a comprehensive assessment of the developing radiological situation at an early stage to be able to initiate appropriate protective measures. The results of a working group from several local and regional authorities from Schleswig-Holstein, Hamburg, Lower Saxony and Mecklenburg-West Pomerania on this topic will be presented here. The working group has compiled sets of data and information which are relevant in decision making for protective measures and has developed a concept for the efficient distribution of data and information to the disaster response managements and other recipients with responsibilities in emergency control.
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Affiliation(s)
- M. Urbach
- Behörde für Stadtentwicklung und Umwelt, Postfach 261151, D-20539 Hamburg, Germany
| | - D. Koch
- Ministerium für Soziales, Gesundheit, Familie, Jugend und Senioren des Landes Schleswig-Holstein, Abteilung Reaktorsicherheit, Adolf-Westphal-Straße 4, D-24143 Kiel, Germany
| | - H. Weiß
- Energie Systeme Nord GmbH, Lise-Meitner-Straße 25–29, D-24223 Raisdorf, Germany
| | - J. Pauly
- Energie Systeme Nord GmbH, Lise-Meitner-Straße 25–29, D-24223 Raisdorf, Germany
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Abstract
A 15-month-old, spayed female, Bernese mountain dog was presented to the Institute of Small Animal Surgery at the University of Zurich because of chronic left forelimb lameness. The referring veterinarian diagnosed pain in the left shoulder region and had treated the dog with systemic non-steroidal anti-inflammatory drugs and restricted exercise for a two-week period. The follow-up examination revealed only minimal improvement and therefore, the dog was referred for further diagnostic evaluation. Chronic bicipital tenosynovitis and tendinitis of the infraspinatus muscle was diagnosed based on survey radiographs, arthrography, ultrasound, computed tomography (CT), and synovial fluid cytology. The dog underwent three sessions of extracorporeal shockwave therapy and substantial clinical improvement was observed. On follow-up examinations, only mild left forelimb lameness was evident following exercise, and changes in the intertubercular groove and at the supraglenoid tuberosity appeared less active on radiographs and CT. However, six months following treatment, mild degenerative joint disease was apparent.
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Affiliation(s)
- C Venzin
- Division of Small Animal Surgery, University of Berne.
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Koch D, Wiestner T, Balli A, Montavon P, Michel E, Scharf G, Arnold S. Proposal for a new radiological index to determine skull conformation in the dog. SCHWEIZ ARCH TIERH 2012; 154:217-20. [PMID: 22547337 DOI: 10.1024/0036-7281/a000331] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- D Koch
- Clinic for Small Animal Surgery, University Zurich.
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Steffen JH, Quinn SN, Borucki WJ, Brugamyer E, Bryson ST, Buchhave LA, Cochran WD, Endl M, Fabrycky DC, Ford EB, Holman MJ, Jenkins J, Koch D, Latham DW, MacQueen P, Mullally F, Prša A, Ragozzine D, Rowe JF, Sanderfer DT, Seader SE, Short D, Shporer A, Thompson SE, Torres G, Twicken JD, Welsh WF, Windmiller G. The architecture of the hierarchical triple star KOI 928 from eclipse timing variations seen in Kepler photometry. ACTA ACUST UNITED AC 2011. [DOI: 10.1111/j.1745-3933.2011.01114.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
The epidemiology of Candida infections has changed over the last two decades: The number of patients suffering from such infections has increased dramatically and the Candida species involved have become more numerous as Candida albicans is replaced as an infecting agent by various non-C. albicans species (NAC). At the same time, additional antifungal agents have become available. The different Candida species may vary in their susceptibility for these various antifungals. This draws more attention to in vitro susceptibility testing. Unfortunately, several different test methods exist that may deliver different results. Moreover, clinical breakpoints (CBP) that classify test results into susceptible, intermediate and resistant are controver- sial between CLSI and EUCAST. Therefore, clinicians should be aware that interpretations may vary with the test system being followed by the microbiological laboratory. Thus, knowledge of actual MIC values and pharmacokinetic properties of individual antifungal agents is important in delivering appropriate therapy to patients
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Affiliation(s)
- C Rodloff
- Institut für Medizinische Mikrobiologie, und Infektionsepidemiologie, Universitätsklinikum Leipzig, Liebigstr, Germany.
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Kemper M, Koch D, Bass M, Inauen R. [Revision operation rate after 214 tibial tuberosity advancements as therapy for anterior cruciate ligament tears in dogs]. SCHWEIZ ARCH TIERH 2011; 153:131-3. [PMID: 21360452 DOI: 10.1024/0036-7281/a000168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- M Kemper
- Koch & Bass GmbH, Überweisungspraxis für Kleintiere, Diessenhofen.
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Treib J, Haass A, Koch D, Grauer M, Stoll M, Schimrigk K. Influence of blood pressure and cardiac output on cerebral blood flow and autoregulation in acute stroke measured by TCD. Eur J Neurol 2011. [DOI: 10.1111/j.1468-1331.1996.tb00270.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Østensen RH, Green EM, Bloemen S, Marsh TR, Laird JB, Morris M, Moriyama E, Oreiro R, Reed MD, Kawaler SD, Aerts C, Vučković M, Degroote P, Telting JH, Kjeldsen H, Gilliland RL, Christensen-Dalsgaard J, Borucki WJ, Koch D. 2M1938+4603: a rich, multimode pulsating sdB star with an eclipsing dM companion observed with Kepler. ACTA ACUST UNITED AC 2010. [DOI: 10.1111/j.1745-3933.2010.00926.x] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Koch D, Lilic D, Carmichael AJ. Autosomal dominant chronic mucocutaneous candidiasis and primary hypothyroidism complicated by oesophageal carcinoma. Clin Exp Dermatol 2009; 34:e818-20. [PMID: 19778308 DOI: 10.1111/j.1365-2230.2009.03561.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
We describe three generations of a white family with autosomal dominant chronic mucocutaneous candidiasis (CMCC) and primary hypothyroidism, which was complicated by squamous cell carcinoma (SCC) of the oesophagus in the index case. We report this family to increase awareness of this rare autosomal dominant variant of CMCC endocrinopathy syndrome associated with primary hypothyroidism without evidence of autoimmune endocrinopathy, and to highlight the risk of developing oesophageal SCC at a young age as a fatal complication of CMCC.
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Affiliation(s)
- D Koch
- Department of Dermatology, James Cook University Hospital, Middlesbrough, UK.
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Grosse-Brockhoff F, Koch D, Loogen F, Rotthoff G, Vieten H, Willmann KH. Kohlendioxyd als Kontrastmittel für die Röntgendarstellung des Herzens und der Gefäße. ROFO-FORTSCHR RONTG 2009. [DOI: 10.1055/s-0029-1213131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Borucki WJ, Koch D, Jenkins J, Sasselov D, Gilliland R, Batalha N, Latham DW, Caldwell D, Basri G, Brown T, Christensen-Dalsgaard J, Cochran WD, DeVore E, Dunham E, Dupree AK, Gautier T, Geary J, Gould A, Howell S, Kjeldsen H, Lissauer J, Marcy G, Meibom S, Morrison D, Tarter J. Kepler’s Optical Phase Curve of the Exoplanet HAT-P-7b. Science 2009; 325:709. [DOI: 10.1126/science.1178312] [Citation(s) in RCA: 184] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- W. J. Borucki
- NASA Ames Research Center, Moffett Field, CA 94035, USA
| | - D. Koch
- NASA Ames Research Center, Moffett Field, CA 94035, USA
| | - J. Jenkins
- SETI Institute, Mountain View, CA 94043, USA
| | - D. Sasselov
- Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
| | - R. Gilliland
- Space Telescope Science Institute, Baltimore, MD 21218, USA
| | - N. Batalha
- San Jose State University, San Jose, CA 95192, USA
| | - D. W. Latham
- Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
| | - D. Caldwell
- SETI Institute, Mountain View, CA 94043, USA
| | - G. Basri
- University of California, Berkeley, Berkeley, CA 94720, USA
| | - T. Brown
- Las Cumbres Observatory Global Telescope, Goleta, CA 93117,USA
| | | | | | - E. DeVore
- SETI Institute, Mountain View, CA 94043, USA
| | - E. Dunham
- Lowell Observatory, Flagstaff, AZ 86001, USA
| | - A. K. Dupree
- Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
| | - T. Gautier
- Jet Propulsion Laboratory/California Institute of Technology, Pasadena, CA 91109, USA
| | - J. Geary
- Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
| | - A. Gould
- Lawrence Hall of Science, Berkeley, CA 94720, USA
| | - S. Howell
- National Optical Astronomy Observatory, Tucson, AZ 85719, USA
| | | | - J. Lissauer
- NASA Ames Research Center, Moffett Field, CA 94035, USA
| | - G. Marcy
- University of California, Berkeley, Berkeley, CA 94720, USA
| | - S. Meibom
- Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
| | - D. Morrison
- NASA Ames Research Center, Moffett Field, CA 94035, USA
| | - J. Tarter
- SETI Institute, Mountain View, CA 94043, USA
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Koch D, Tauber S, Petrowicz O, Stemberger A, Eichmeier J. RECHNERGESTÜTZTE DOSIERUNG VON MEDIKAMENTEN IN DER HARNBLASE MIT HILFE EINES KATHETER-SENSOR-SYSTEMS. BIOMED ENG-BIOMED TE 2009. [DOI: 10.1515/bmte.1995.40.s1.357] [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: 11/15/2022]
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Inauen R, Koch D, Bass M, Haessig M. Tibial tuberosity conformation as a risk factor for cranial cruciate ligament rupture in the dog. Vet Comp Orthop Traumatol 2009; 22:16-20. [PMID: 19151865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The influence of the tibial tuberosity conformation on cranial cruciate ligament (CrCl) rupture was evaluated and the size of the tibial tuberosity of healthy dogs (group H) was compared with dogs with CrCl rupture (group R) and dogs treated by tibial tuberosity advancement (TTA) (group T). The medio-lateral radiographs of 219 stifle joints were evaluated. Relative tibial tuberosity width (rTTW), proximal tibial tuberosity angle (PTTA), tibial plateau angle (TPA), tibial width (TW) and tibial plateau length (TPL) were measured on each radiograph. Body weight (BW) was measured and relative body weight (rBW) was calculated. The data from group H was compared with that of group R and group T. Group H had significantly larger rTTW, lower BW, lower rBW and smaller PTTA than group R. A comparison of groups H and T showed that dogs from group H were significantly younger, had a lower BW, a lower rBW, a greater PTTA and a smaller rTTW. In each of the comparisons, the TPA and the TW/TPL were not significantly different. The conformation of the canine tibial tuberosity has a significant influence on CrCl rupture. We hypothesized that the smaller the tibial tuberosity width, the larger the cranial tibial thrust, which results in more rapid CrCL degeneration, thus leading to rupture in a younger population of dogs. The rTTW could be a helpful measurement for breeding selection. Only dogs with a rTTW of more than 0.90 should be used for breeding.
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Affiliation(s)
- R Inauen
- Koch & Bass Referral Practice for Small Animal Surgery, Basadingerstrasse 26, 8253 Diessenhofen, Switzerland.
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Zuschneid I, Witschi A, Quaback L, Hellenbrand W, Kleinkauf N, Koch D, Krause G. Invasive meningococcal disease with fatal outcome in a Swiss student visiting Berlin. Euro Surveill 2008; 13:pii: 19031. [PMID: 19000570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023] Open
Abstract
Following the fatal invasive meningococcal disease in a Swiss student who had been visiting Berlin, several public health institutions on local, regional and national level cooperated to ensure that the appropriate measures such as contact tracing and post exposure prophylaxis were taken to prevent further cases. The incidence highlighted the importance of early disease notification and showed that if an infectious disease requiring public health action occurs in an international context, it is vital that relevant information is communicated to all levels of the public health systems of the countries involved.
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Affiliation(s)
- I Zuschneid
- Kreuzberg-Friedrichshain Health Department, Berlin, Germany
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Zuschneid I, Witschi A, Quaback L, Hellenbrand W, Kleinkauf N, Koch D, Krause G. Invasive meningococcal disease with fatal outcome in a Swiss student visiting Berlin. Euro Surveill 2008. [DOI: 10.2807/ese.13.45.19031-en] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Following the fatal invasive meningococcal disease in a Swiss student who had been visiting Berlin, several public health institutions on local, regional and national level cooperated to ensure that the appropriate measures such as contact tracing and post exposure prophylaxis were taken to prevent further cases. The incidence highlighted the importance of early disease notification and showed that if an infectious disease requiring public health action occurs in an international context, it is vital that relevant information is communicated to all levels of the public health systems of the countries involved.
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Affiliation(s)
- I Zuschneid
- Kreuzberg-Friedrichshain Health Department, Berlin, Germany
| | - A Witschi
- Health Department of Basel-Stadt, Basel, Switzerland
| | - L Quaback
- Senate Department for Health, Environment and Consumer Protection, Berlin, Germany
| | - W Hellenbrand
- Department of Infectious Disease Epidemiology, Robert Koch-Institute, Berlin, Germany
| | - N Kleinkauf
- Department of Infectious Disease Epidemiology, Robert Koch-Institute, Berlin, Germany
| | - D Koch
- Department of Communicable Diseases, Federal Department of Home Affairs FDHA, Federal Office of Public Health FOPH, Public Health Directorate, Bern, Switzerland
| | - G Krause
- Department of Infectious Disease Epidemiology, Robert Koch-Institute, Berlin, Germany
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Christensen-Dalsgaard J, Arentoft T, Brown TM, Gilliland RL, Kjeldsen H, Borucki WJ, Koch D. TheKeplerasteroseismic investigation. ACTA ACUST UNITED AC 2008. [DOI: 10.1088/1742-6596/118/1/012039] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Sebens S, Geismann C, Morscheck M, Koch D, Ungefroren H, Arlt A, Tsao M, Bachem M, Altevogt P, Schäfer H. 346 POSTER Myofibroblasts and TGF-beta1 induce upregulation of tumoral L1CAM thereby promoting malignant transformation of pancreatic ductal epithelial cells. EJC Suppl 2008. [DOI: 10.1016/s1359-6349(08)72280-8] [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: 10/21/2022] Open
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Soltmann C, Koch D, Grathwohl G. Biogene Wasserstofferzeugung durch Immobilisierung von Mikroorganismen in keramischer Matrix. CHEM-ING-TECH 2008. [DOI: 10.1002/cite.200750723] [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: 11/11/2022]
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Pillekamp F, Hannes T, Koch D, Brockmeier K, Sreeram N. Transcatheter closure of symptomatic aortopulmonary window in an infant. Images Paediatr Cardiol 2008; 10:11-7. [PMID: 22368546 PMCID: PMC3232589] [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] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
An aortopulmonary window is a rare congenital cardiac defect. In the majority of symptomatic neonates and infants, primary surgical repair is the treatment of choice. In selected infants, catheter closure of the defect with a device may be feasible. We report on the successful closure of an AP window in a 12 month old infant, using a 6mm Amplatzer septal occluder. The procedure and follow-up were uneventful.
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Affiliation(s)
- F Pillekamp
- Pediatric Cardiology, University of Cologne, 50931 Cologne, Germany
| | - T Hannes
- Pediatric Cardiology, University of Cologne, 50931 Cologne, Germany
| | - D Koch
- Pediatric Cardiologist, 51607 Cologne, Germany
| | - K Brockmeier
- Pediatric Cardiology, University of Cologne, 50931 Cologne, Germany
| | - N Sreeram
- Pediatric Cardiology, University of Cologne, 50931 Cologne, Germany,Contact information: N. Sreeram, Pediatric Cardiology, University Hospital of Cologne, Kerpenerstraße 62, 50937 Cologne, Germany Tel.: ++49-(0)-221-47886301 Fax: ++49-(0)-221-47886302
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Freeman LC, Narvaez DF, McCoy A, von Stein FB, Young S, Silver K, Ganta S, Koch D, Hunter R, Gilmour RF, Lillich JD. Depolarization and decreased surface expression of K+ channels contribute to NSAID-inhibition of intestinal restitution. Biochem Pharmacol 2007; 74:74-85. [PMID: 17499219 PMCID: PMC3269908 DOI: 10.1016/j.bcp.2007.03.030] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2007] [Revised: 03/24/2007] [Accepted: 03/26/2007] [Indexed: 12/21/2022]
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) contribute to gastrointestinal ulcer formation by inhibiting epithelial cell migration and mucosal restitution; however, the drug-affected signaling pathways are poorly defined. We investigated whether NSAID inhibition of intestinal epithelial migration is associated with depletion of intracellular polyamines, depolarization of membrane potential (E(m)) and altered surface expression of K(+) channels. Epithelial cell migration in response to the wounding of confluent IEC-6 and IEC-Cdx2 monolayers was reduced by indomethacin (100 microM), phenylbutazone (100 microM) and NS-398 (100 microM) but not by SC-560 (1 microM). NSAID-inhibition of intestinal cell migration was not associated with depletion of intracellular polyamines. Treatment of IEC-6 and IEC-Cdx2 cells with indomethacin, phenylbutazone and NS-398 induced significant depolarization of E(m), whereas treatment with SC-560 had no effect on E(m). The E(m) of IEC-Cdx2 cells was: -38.5+/-1.8 mV under control conditions; -35.9+/-1.6 mV after treatment with SC-560; -18.8+/-1.2 mV after treatment with indomethacin; and -23.7+/-1.4 mV after treatment with NS-398. Whereas SC-560 had no significant effects on the total cellular expression of K(v)1.4 channel protein, indomethacin and NS-398 decreased not only the total cellular expression of K(v)1.4, but also the cell surface expression of both K(v)1.4 and K(v)1.6 channel subunits in IEC-Cdx2. Both K(v)1.4 and K(v)1.6 channel proteins were immunoprecipitated by K(v)1.4 antibody from IEC-Cdx2 lysates, indicating that these subunits co-assemble to form heteromeric K(v) channels. These results suggest that NSAID inhibition of epithelial cell migration is independent of polyamine-depletion, and is associated with depolarization of E(m) and decreased surface expression of heteromeric K(v)1 channels.
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Affiliation(s)
- LC Freeman
- Department of Anatomy and Physiology, Kansas State University, Manhattan, KS, 66506
| | - DF Narvaez
- Department of Clinical Sciences, Kansas State University, Manhattan, KS, 66506
| | - A McCoy
- Department of Clinical Sciences, Kansas State University, Manhattan, KS, 66506
| | - FB von Stein
- Department of Biomedical Sciences, Cornell University, Ithaca NY 14853
| | - S Young
- Department of Anatomy and Physiology, Kansas State University, Manhattan, KS, 66506
| | - K Silver
- Department of Clinical Sciences, Kansas State University, Manhattan, KS, 66506
| | - S. Ganta
- Department of Anatomy and Physiology, Kansas State University, Manhattan, KS, 66506
| | - D Koch
- Department of Anatomy and Physiology, Kansas State University, Manhattan, KS, 66506
| | - R Hunter
- Department of Anatomy and Physiology, Kansas State University, Manhattan, KS, 66506
| | - RF Gilmour
- Department of Biomedical Sciences, Cornell University, Ithaca NY 14853
| | - JD Lillich
- Department of Clinical Sciences, Kansas State University, Manhattan, KS, 66506
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Hau P, Koch D, Hundsberger T, Marg E, Bauer B, Rudolph R, Rauch M, Brenner A, Rieckmann P, Schuth J, Jauch T, Koch H, Bogdahn U. Safety and feasibility of long-term temozolomide treatment in patients with high-grade glioma. Neurology 2007; 68:688-90. [PMID: 17325277 DOI: 10.1212/01.wnl.0000255937.27012.ee] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We surveyed neuro-oncologists regarding patients treated with temozolomide for at least 12 cycles or 12 months. Patients receiving first-line temozolomide for a median 13 cycles had a median progression-free survival (PFS) of 14 months. Patients with recurrent disease receiving a median 14 cycles had a median PFS of 15.5 months. A small percentage of patients experienced grade III to IV toxicity. These results suggest that long-term treatment with temozolomide is feasible and well tolerated.
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Affiliation(s)
- P Hau
- Department of Neurology, District Medical Center, University of Regensburg, Regensburg, Germany.
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Novakov T, Menon S, Kirchstetter TW, Koch D, Hansen JE. Reply to comment by R. L. Tanner and D. J. Eatough on “Aerosol organic carbon to black carbon ratios: Analysis of published data and implication for climate forcing”. ACTA ACUST UNITED AC 2007. [DOI: 10.1029/2006jd007941] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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