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Rink JS, Tollens F, Tschalzev A, Bartelt C, Heinzl A, Hoffmann J, Schoenberg SO, Marzina A, Sandikci V, Wiegand C, Hoyer C, Szabo K. Establishing an MSU service in a medium-sized German urban area-clinical and economic considerations. Front Neurol 2024; 15:1358145. [PMID: 38487327 PMCID: PMC10938346 DOI: 10.3389/fneur.2024.1358145] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 02/19/2024] [Indexed: 03/17/2024] Open
Abstract
Background and purpose Mobile stroke units (MSU) have been demonstrated to improve prehospital stroke care in metropolitan and rural regions. Due to geographical, social and structural idiosyncrasies of the German city of Mannheim, concepts of established MSU services are not directly applicable to the Mannheim initiative. The aim of the present analysis was to identify major determinants that need to be considered when initially setting up a local MSU service. Methods Local stroke statistics from 2015 to 2021 were analyzed and circadian distribution of strokes and local incidence rates were calculated. MSU patient numbers and total program costs were estimated for varying operating modes, daytime coverage models, staffing configurations which included several resource sharing models with the hospital. Additional case-number simulations for expanded catchment areas were performed. Results Median time of symptom onset of ischemic stroke patients was 1:00 p.m. 54.3% of all stroke patients were admitted during a 10-h time window on weekdays. Assuming that MSU is able to reach 53% of stroke patients, the average expected number of ischemic stroke patients admitted to MSU would be 0.64 in a 10-h shift each day, which could potentially be increased by expanding the MSU catchment area. Total estimated MSU costs amounted to € 815,087 per annum. Teleneurological assessment reduced overall costs by 11.7%. Conclusion This analysis provides a framework of determinants and considerations to be addressed during the design process of a novel MSU program in order to balance stroke care improvements with the sustainable use of scarce resources.
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Affiliation(s)
- Johann S. Rink
- Department of Radiology and Nuclear Medicine, Medical Faculty Mannheim, Mannheim University Medical Centre, Heidelberg University, Mannheim, Germany
| | - Fabian Tollens
- Department of Radiology and Nuclear Medicine, Medical Faculty Mannheim, Mannheim University Medical Centre, Heidelberg University, Mannheim, Germany
| | - Andrej Tschalzev
- Institute for Enterprise Systems, University of Mannheim, Mannheim, Germany
| | - Christian Bartelt
- Institute for Enterprise Systems, University of Mannheim, Mannheim, Germany
| | | | - Jens Hoffmann
- Department of Radiology and Nuclear Medicine, Medical Faculty Mannheim, Mannheim University Medical Centre, Heidelberg University, Mannheim, Germany
| | - Stefan O. Schoenberg
- Department of Radiology and Nuclear Medicine, Medical Faculty Mannheim, Mannheim University Medical Centre, Heidelberg University, Mannheim, Germany
| | - Annika Marzina
- Department of Neurology, Medical Faculty Mannheim, Mannheim University Medical Centre, Heidelberg University, Mannheim, Germany
| | - Vesile Sandikci
- Department of Neurology, Medical Faculty Mannheim, Mannheim University Medical Centre, Heidelberg University, Mannheim, Germany
| | - Carla Wiegand
- Department of Neurology, Medical Faculty Mannheim, Mannheim University Medical Centre, Heidelberg University, Mannheim, Germany
| | - Carolin Hoyer
- Department of Neurology, Medical Faculty Mannheim, Mannheim University Medical Centre, Heidelberg University, Mannheim, Germany
| | - Kristina Szabo
- Department of Neurology, Medical Faculty Mannheim, Mannheim University Medical Centre, Heidelberg University, Mannheim, Germany
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Niemann F, Lüdtke S, Bartelt C, ten Hompel M. Context-Aware Human Activity Recognition in Industrial Processes. Sensors (Basel) 2021; 22:s22010134. [PMID: 35009677 PMCID: PMC8749739 DOI: 10.3390/s22010134] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/13/2021] [Accepted: 12/21/2021] [Indexed: 05/14/2023]
Abstract
The automatic, sensor-based assessment of human activities is highly relevant for production and logistics, to optimise the economics and ergonomics of these processes. One challenge for accurate activity recognition in these domains is the context-dependence of activities: Similar movements can correspond to different activities, depending on, e.g., the object handled or the location of the subject. In this paper, we propose to explicitly make use of such context information in an activity recognition model. Our first contribution is a publicly available, semantically annotated motion capturing dataset of subjects performing order picking and packaging activities, where context information is recorded explicitly. The second contribution is an activity recognition model that integrates movement data and context information. We empirically show that by using context information, activity recognition performance increases substantially. Additionally, we analyse which of the pieces of context information is most relevant for activity recognition. The insights provided by this paper can help others to design appropriate sensor set-ups in real warehouses for time management.
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Affiliation(s)
- Friedrich Niemann
- Chair of Materials Handling and Warehousing, TU Dortmund University, Joseph-von-Fraunhofer-Str. 2-4, 44227 Dortmund, Germany;
- Correspondence:
| | - Stefan Lüdtke
- Institute for Enterprise Systems, University of Mannheim, L15 1, 68131 Mannheim, Germany; (S.L.); (C.B.)
| | - Christian Bartelt
- Institute for Enterprise Systems, University of Mannheim, L15 1, 68131 Mannheim, Germany; (S.L.); (C.B.)
| | - Michael ten Hompel
- Chair of Materials Handling and Warehousing, TU Dortmund University, Joseph-von-Fraunhofer-Str. 2-4, 44227 Dortmund, Germany;
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Ponferrada L, Prowant BF, Schmidt LM, Burrows LM, Satalowich RJ, Bartelt C. Home visit effectiveness for peritoneal dialysis patients. ANNA J 1993; 20:333-6. [PMID: 8352630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Medicare regulations require follow-up home visits to home dialysis patients, yet routine home visits require a lot of personnel time. The effectiveness of home visits was evaluated by a nurse, dietitian and social worker using a questionnaire. Thirty-six patients were evaluated during an 18-month period. Collectively the team documented an average of 10 pertinent observations per visit and made an average of 4 recommendations for change. Staff members gained new information about the patient as indicated by the fact that they changed their rankings on 5 of 15 parameters following the home visit. The home visit policy that recommended an annual home visit was revised to recommend a single home visit for each new peritoneal dialysis patient. Further visits are performed only if significant problems are identified.
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Prowant B, Schmidt L, Burrows L, Ryan L, Satalowich R, Kennedy J, Russ J, Schaefer R, Bartelt C. A tool for nursing evaluation of the peritoneal dialysis catheter exit site. ANNA J 1987; 14:28, 30. [PMID: 3644631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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