Heiko Krumm’s research while affiliated with TU Dortmund University and other places

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Publications (89)


Figure 1. Comparison of different algorithms with real dosages and the corresponding INR values
Development of a Computer-Aided Dosage and Telemonitoring System for Patients Under Oral Anticoagulation Therapy
  • Article
  • Full-text available

May 2018

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77 Reads

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6 Citations

Studies in Health Technology and Informatics

Heiko Krumm

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Nils Reiss

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Malte Burkert

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[...]

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Oliver Ziegler

In this paper, we present a system that allows patients who require anticoagulation medicine an opportunity to independently manage their dosage concentration with the help of two machine learning algorithms. The basic idea is to predict the next dosage by using a neuronal network and the model predictive control approach, both based on the history of data already available from patients. This machine learning system is expanded by an smartphone application for the patients, and a website for the doctors to support their patients.

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Telemonitoring and Medical Care of Heart Failure Patients Supported by Left Ventricular Assist Devices - The Medolution Project

May 2017

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78 Reads

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14 Citations

Studies in Health Technology and Informatics

Long-term survival after left ventricular assist device (LVAD) implantation in heart failure patients is mainly determined by a sophisticated after-care. Ambulatory visits only take place every 12 weeks. In case of life-threatening complications (pump thrombosis, driveline infection) this might lead to delayed diagnosis and delayed intervention. It is the intention of the international project Medolution (Medical care evolution) to develop new approaches in order to create best structures for telemonitoring of LVAD patients. In the very early period of the project a questionnaire was sent to 180 LVAD patients to evaluate the need and acceptance of telemonitoring. Thereafter, a graphical user interface (GUI) mockup was developed as one of the first steps to improve the continuous contact between the LVAD patient and the physician. As a final goal the Medolution project aims to bundle all relevant informations from different data sources into one platform in order to provide the physician a comprehensive overview of a patient's situation. In the systems background a big data analysis should run permanently and should try to detect abnormalities and correlations as well. At crucial events, a notification system should inform the physician and should provide the causing data via a decision support system. With this new system we are expecting early detection and prevention of common and partially life-threatening complications, less readmissions to the hospital, an increase in quality of life for the patients and less costs for the health care system as well.


Enhancing Long-Term Motivation of Cardiac Patients by Applying Exergaming in Rehabilitation Training

May 2017

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155 Reads

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6 Citations

Studies in Health Technology and Informatics

Although regular physical activities reduce mortality and increase quality of life many cardiac patients discontinue training due to lack of motivation, lack of time or having health concerns because of a too high training intensity. Therefore, we developed an exergaming based system to enhance long-term motivation in the context of rehabilitation training. We combined different hardware components such as vital sensors, a virtual reality headset, a motion detecting camera, a bicycle ergometer and a motion platform to create an immersive and fun experience for the training user without having to worry about any negative health impact. Our evaluation shows that the system is well accepted by the users and is capable of tackling the aforementioned reasons for an inactive lifestyle. The system is designed to be easily extensible, safe to use and enables professionals to adjust and to telemonitor the training at any time.





Networked Devices Meeting Dependability while Supporting the Medical Supervision of Cardiac Patients under Rehabilitation

December 2015

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78 Reads

IFAC-PapersOnLine

Networked customer devices provide a powerful, flexible and cost-efficient implementation environment for cyber-physical system applications but due to their inherent unreliability can directly support limited dependability only. Since in such an environment non-critical functions can collect, process and prepare comprising data which supports the adaptation and optimization so that new and significantly enriched medical functions can be realized, we envisage Big Dependable Systems (BDS), a corresponding upcoming class of systems. Major steps towards their systematic development utilize approaches for communication and dynamic configuration in service-oriented systems, for automated monitoring and repair, and for in-built fault tolerance. We report on respective approaches examined and on a set of pilot applications before the vision of BDS is outlined before that background. The pilot applications employ cyber-physical systems in order to support rehabilitation training sessions which are remotely supervised and take place as well at home as in a virtual reality.



GlobalSensing: A Supervised Outdoor-Training in Cardiological Secondary Prevention

November 2014

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21 Reads

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1 Citation

The GlobalSensing system has the aim to supervise (bicycle-) hiking of a group of patients in a cardiologic rehabilitation by taking advantage of user-friendly components. A smartphone application, the patient component, records the vital data and data of the training by using a sensor-broker. These data is transmitted via internet to the group leader and to the cardiologist. This arrangement offers the possibility to monitor the data in real time, to ensure an optimal individual training and to protect the patient against overloads.


RehaWeb - An Information System for Cardiologic Rehabilitation Assistance in the Third Phase

January 2012

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7 Reads

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1 Citation

The RehaWeb system aims at motivating heart patients in rehab with a combination of social networking features, editorial contents as well as mobile support and monitoring. Hikes on selected routes can be planned with RehaWeb community friends. A smartphone application guides the way and collects vitals. All data is transmitted to the RehaWeb server, where it can be accessed as exercise diary by the patient and medical staff. The personal progress and other topics can be discussed with other user in the forums.


Citations (69)


... Publication year 28 (42) 2011-2019 [17][18][19] 38 (58) 2020-2024 [19,30,31,39,42,43,48,51,54,57,64,69,70,72,73,[76][77][78]81,82,84,86,88,91,92] 25 (38) North America [59,89] 2 (3) South America [18,[32][33][34][35][36][37][38]44,46,49,50,52,53,55,56,58,60,62,63,65,67,68,75,85] 25 (38) Europe [17,41,83] 3 (5) Australia [40,45,47,61,66,71,74,79,80,87,90] ...

Reference:

Artificial Intelligence Applications for Chronic Condition Self-Management: Scoping Review (Preprint)
Development of a Computer-Aided Dosage and Telemonitoring System for Patients Under Oral Anticoagulation Therapy

Studies in Health Technology and Informatics

... The authors [42,44,74,78,90] point out that the complexity of BMS relies on its capability of adaption. Since re-adapting BMS requires one to change its rigid original scope, this is complicated when there is no interoperability between the sub-systems that are part of BMS. ...

Rule-based technical management for the dependable operation of networked building automation systems
  • Citing Conference Paper
  • May 2017

... There is a paucity of reports on how these patients can be managed from afar. 7 Transitioning these patients to virtual care models has proven to be a challenge for the advanced HF community due to the more severe underlying HF condition. Moreover, these patients will wait longer for heart transplant, as programmes remain suspended for all but the highest risk patients. ...

Telemonitoring and Medical Care of Heart Failure Patients Supported by Left Ventricular Assist Devices - The Medolution Project
  • Citing Article
  • May 2017

Studies in Health Technology and Informatics

... Most patients were adherent to exergaming 30 minutes per day during the initial phases of the observation period but then participation was reported to have become more intermittent. Individualizing the exergaming experience may be necessary to maintain interest and in turn long-term adherence to its use in patients [58], but it appears as though early reports support the feasibility of applying exergaming to older patients with CVD. ...

Enhancing Long-Term Motivation of Cardiac Patients by Applying Exergaming in Rehabilitation Training
  • Citing Article
  • May 2017

Studies in Health Technology and Informatics

... Therefore, we expected low e-health literacy to be prevalent in a significant proportion of potential users of a web-based intervention for heart and back pain patients. Patient education sessions have been demonstrated to be successful at helping elderly cardiac patients to use a web-based intervention [32] and for strengthening e-health literacy [33]. Thus, to successfully reach numerous potential users of our web-based intervention, we evaluated a combination of patient education sessions and email reminders as our dissemination strategy. ...

RehaWeb - An Information System for Cardiologic Rehabilitation Assistance in the Third Phase
  • Citing Chapter
  • January 2012

... The development of new tools for teaching and learning of computing is in itself a broad field. It spans from tools aiming to highlight a particular issue, such as the transfer of packages in a particular network protocol (Mester and Krumm, 2000), over algorithm animation tools, such as Jeliot 5 to learning platforms or environments, for example BlueJ 6 . The point of departure can also be taken in different theories of learning (as for example cognitive psychology) with tools offering automated help to learners, such as the Virtual Approbatur (Torvinen, 2002), and in more general tools finding their roots in the research in educational technology. ...

Animation of Protocols and Distributed Algorithms
  • Citing Article
  • December 2000

Computer Science Education

... To ensure the correctness of these transformations, we need a formal reasoning technique. The temporal logic cTLA [6] offers operators and techniques suitable for refinement [7] , and it can capture such transformation steps in a formal way quite well, as shown in [6, 8, 9]. Moreover, the composition of services from collaborations can be directly expressed with the well-understood concept of process composition in cTLA. ...

Composition and Refinement Mapping based Construction of Distributed Algorithm
  • Citing Article
  • January 1995