Oliver Johannes Bott

Oliver Johannes Bott
Hochschule Hannover · Fakultät III - Medien, Information und Design (Faculty III - Media, Information and Design)

Prof. Dr.-Ing.

About

111
Publications
17,392
Reads
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809
Citations
Citations since 2016
28 Research Items
253 Citations
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2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040
Introduction
Research Topics - Information systems in healthcare and clinical research, especially architectural concepts and methods and tools for analyzing, developing and managing such systems - E-Learning in medicine and medical informatics

Publications

Publications (111)
Article
Full-text available
Background One of the major challenges in pediatric intensive care is the detection of life-threatening health conditions under acute time constraints and performance pressure. This includes the assessment of pediatric organ dysfunction (OD) that demands extraordinary clinical expertise and the clinician's ability to derive a decision based on mult...
Article
Full-text available
Acute stroke care is a time-critical process. Improving communication and documentation process may support a positive effect on medical outcome. To achieve this goal, a new system using a mobile application has been integrated into existing infrastructure at Hannover Medical School (MHH). Within a pilot project, this system has been brought into c...
Article
Full-text available
Acute stroke care is a time-critical process. Improving communication and documentation process may support a positive effect on medical outcome. To achieve this goal, a new system using a mobile application has been integrated into existing infrastructure at Hannover Medical School (MHH). Within a pilot project, this system has been brought into c...
Article
Full-text available
In the context of the ongoing digitization of interdisciplinary subjects, the need for digital literacy is increasing in all areas of everyday life. Furthermore, communication between science and society is facing new challenges, not least since the COVID-19 pandemic. In order to deal with these challenges and to provide target-oriented online teac...
Article
Full-text available
In the context of the ongoing digitization of interdisciplinary subjects, the need for digital literacy is increasing in all areas of everyday life. Furthermore, communication between science and society is facing new challenges, not least since the COVID-19 pandemic. In order to deal with these challenges and to provide target-oriented online teac...
Chapter
Digitalization offers many new opportunities to make learning and teaching more attractive, flexible, interesting and also more effective. However, the transition from traditional classroom teaching to digital teaching is also challenging. This chapter deals with concepts and techniques of digital teaching in academic and continuing education. It i...
Chapter
Full-text available
Building a well-founded understanding of the concepts, tasks and limitations of IT in all areas of society is an essential prerequisite for future developments in business and research. This applies in particular to the healthcare sector and medical research, which are affected by the noticeable advances in digitization. In the transfer project “Zu...
Article
Full-text available
Im Rahmen der Nachsorge nierentransplantierter Patient*innen kommt der Abstoßungsdiagnostik besondere Bedeutung zu, um eine etwaige Abstoßungsreaktion rechtzeitig zu erkennen und behandeln zu können. Im Rahmen des Screen-Reject-Verbundprojekts wird unter anderem ein klinisches DataWarehouse in Kombination mit einem Expertensystem entwickelt, das di...
Conference Paper
Within the HiGHmeducation consortium various online learning modules shall be developed by members of the consortium to address the increasing need for skilled professionals in a networked and digitalized healthcare system. Transferability of these modules to other locations is one main objective for the design of online learning modules. Thus, a d...
Article
After kidney transplantation graft rejection must be prevented. Therefore, a multitude of parameters of the patient is observed pre- and postoperatively. To support this process, the Screen Reject research project is developing a data warehouse optimized for kidney rejection diagnostics. In the course of this project it was discovered that importan...
Article
Purpose. Scattered radiation, which occurs when using a C-arm for intraoperative radiography, can be better understood through interactive visualization. We developed a virtual reality (VR) approach for the simulation of scattered radiation (SSR) as part of a C-arm training system. In VR, it is important to avoid cyber sickness, which is often cau...
Article
Full-text available
Within the HiGHmeducation consortium various online learning modules shall be developed by members of the consortium to address the increasing need for skilled professionals in a networked and digitalized healthcare system. Transferability of these modules to other locations is one main objective for the design of online learning modules. Thus, a d...
Conference Paper
Introduction: As part of the Medical Informatics Initiative, the German Federal Ministry of Education and Research (BMBF) supports four consortia to develop structures and technology which meet the requirements for exchanging data from clinical research and health care across different sites. One of the funded consortia is HiGHmed [1]. In addition...
Article
Up to 80% of medical information is documented by unstructured data such as clinical reports written in natural language. Such data is called unstructured because the information it contains cannot be retrieved automatically as straightforward as from structured data. However, we assume that the use of this flexible kind of documentation will remai...
Article
Full-text available
Kaum ein Thema bewegt unsere Gesellschaft derzeit mehr als der laufende und bevorstehende digitale Umbruch. Im medialen Fokus stehen dabei »Automo-tive« (oder allgemeiner »Mobility«) und das Gesundheitssystem. Aufgrund der gesundheitlichen Folgen durch Umweltschadstoffe und Klimawandel hängen beide aber enger zusammen als vielleicht auf den ersten...
Chapter
In diesem Kapitel wird das ASB-System (Automatische Softwarebe- wertung) der Hochschule Trier beschrieben, das seit mehreren Jah- ren für unterschiedliche Programmierlehrveranstaltungen eingesetzt wird. In den letzten Jahren wurde das System erweitert, um auch Android-Apps automatisch bewerten zu können. Aus Sicht der Stu- dierenden ist die Einreic...
Chapter
Im Fachbereich Informatik der Hochschule Trier wird seit 2006 das ASB-System (Automatische Softwarebewertung) entwickelt und einge- setzt. Die webbasierte Client-Server-Anwendung ermöglicht die au- tomatische Bewertung von studentischen Lösungen zu Programmier- aufgaben innerhalb eines festgelegten Zeitraums. In diesem Beitrag wird das ASB-System a...
Article
Full-text available
Due to demographic change the number of serious kidney diseases and thus required transplantations will increase. The increased demand for donor organs and a decreasing supply of these organs underline the necessity for effective early rejection diagnostic measures to improve the lifetime of transplants. Expert systems might improve rejection diagn...
Book
Full-text available
Up to 80% of medical information is documented by unstructured data such as clinical reports written in natural language. Such data is called unstructured because the information it contains cannot be retrieved automatically as straightforward as from structured data. However, we assume that the use of this flexible kind of documentation will remai...
Conference Paper
Das übergeordnete Ziel des Innovationsverbundes besteht darin, nierentransplantierte PatientINNen zukünftig besser vor einer Abstoßung des Organs zu schützen. Hierfür wird, neben dem zu entwickelnden Diagnostikum, im Teilprojekt: „Screen-Reject: Klinisches Data Warehouse zur Abstoßungsdiagnostik nach NTx“ ein für Datenanalysen im Kontext der Abstoß...
Conference Paper
Mobile x-ray devices like C-arms are routinely used in the operating room to assist in surgical interventions. C-arms need to be adequately operated to avoid unnecessary radiation exposure and intraoperative delays. We present a simulation-based training system to support training of operating room personnel in a virtual environment. To make learni...
Article
Full-text available
BACKGROUND: Health information systems (HIS) are one of the most important areas for biomedical and health informatics. In order to professionally deal with HIS well-educated informaticians are needed. Because of these reasons, in 2001 an international course has been established: The Frank - van Swieten Lectures on Strategic Information Management...
Conference Paper
In klinisch forschenden Einrichtungen werden Datenbestände aus klinischer Routine und Forschungsprojekten in historisch gewachsenen Datenbanken und Anwendungssystemen gepflegt. Sollen diese Datenbestände zusammengeführt werden, ist dies bedingt durch unterschiedliche Programme, Datenformate und Datenqualitäten nur mit hohem Aufwand möglich. Im konk...
Article
Support systems for programming education are in widespread use. However common standards for the exchange of general (learning) content and tests do not meet the special requirements of programming tasks, e.g. dealing with complex submissions consisting of multiple files or the combination of different (automatic) evaluation and assessment procedu...
Conference Paper
Unterstützungssysteme für die Programmierausbildung sind weit verbreitet, doch gängige Standards für den Austausch von allgemeinen (Lern-)Inhalten und Tests erfüllen nicht die speziellen Anforderungen von Programmier-aufgaben wie z. B. den Umgang mit komplexen Einreichungen aus mehreren Dateien oder die Kombination verschiedener (automatischer) Bew...
Conference Paper
Für die automatisierte Bewertung von Lösungen zu Programmieraufgaben wurde mittlerweile eine Vielzahl an Grader-Programmen zu unterschiedlichen Programmiersprachen entwickelt. Um Lernenden wie Lehrenden Zugang zur möglichst vielen Gradern über das gewohnte LMS zu ermöglichen wird das Konzept einer generischen Web-Serviceschnittstelle (Grappa) vorge...
Article
Full-text available
The authors present a simulation-based ultrasonographic (US) training tool that can help improve the understanding of spatial relationships in US. Use of a game controller to simulate a US probe allows examination of different virtual three-dimensional (3D) objects. These 3D objects are either completely artificial simple geometric objects (eg, sph...
Conference Paper
Full-text available
Die automatisierte Programmbewertung als ergänzendes Hilfsmittel in der Programmierausbildung ermöglicht eine zusätzliche Lernerfahrung für Studierende. Das unmittelbare Feedback dieser Systeme auf die eingereichten Aufgabenlösungen bietet den Studierenden für sie wichtige Hilfestellung zur erfolgreichen Bearbeitung der Aufgabe. An vielen Hochschul...
Conference Paper
Als Bestandteil der Informatik-Lehre werden für die Programmierausbildung vermehrt Methoden der automatisierten Programmbewertung eingesetzt. Für die Programmiersprachen Java und SQL stehen hierfür an der Hochschule Hannover die selbst entwickelten bzw. speziell angepassten Werkzeuge „Graja“ und „aSQLg“ zur Verfügung. In einer Evaluationsstudie sol...
Conference Paper
Full-text available
Semesterbegleitende Prüfungen sowie zunehmende Studierendenzahlen im Kontext der doppelten Abiturjahrgänge erhöhen das Prüfungsaufkommen an deutschen Hochschulen zum Teil erheblich. Insbesondere bei Prüfungen von großen Studentengruppen bieten sich elektronische Prüfungen (E-Prüfungen) als effizientes Verfahren zur Leistungsbewertung an. Neben der...
Article
Scattered radiation caused by the intraoperative use of mobile image intensifier systems (referred to as "C-arms") is the main source of radiation exposure for operating room personnel and surgeons. To keep this possibly harmful exposure at a minimum level, a deliberate use of radiation, knowledge about distribution of scattered radiation and appro...
Conference Paper
PURPOSE/AIM The purpose of this exhibit is to increase awareness and understanding of scattered radiation exposure during intraoperative radiography. The attendee is presented with a virtual operating room on a computer screen, in which he/she can operate a C-arm while the spatial distribution of scattered radiation is computed and visualized in ne...
Article
Hintergrund und Fragestellung: Die korrekte intraoperative Positionierung und Einstellung eines mobilen Bildverstärkers (auch C-Bogen) kann zurzeit theoretisch mit Hilfe von Lehrbüchern erlernt, am Gerät selbst aber nur ohne visuelle Rückmeldung, d.h. ohne ein zur Ausrichtung korrespondierendes Röntgenbild, trainiert werden. Hieraus ergibt sich die...
Article
A retrospective analysis of H1N1 vaccination in 127 children at ≥ 1 year after liver transplantation found only moderate acceptance (56%) of the vaccination. Physical adverse events were of moderate severity, but frequent (74%). Protection against infection was good, with infection rates of 4% in vaccinated children versus 25% in nonvaccinated chil...
Article
Mobile image intensifier systems (C-arms) are used frequently in orthopedic and reconstructive surgery, especially in trauma and emergency settings, but image quality and radiation exposure levels may vary widely, depending on the extent of the C-arm operator's knowledge and experience. Current training programs consist mainly of theoretical instru...
Conference Paper
PURPOSE/AIM This exhibit demonstrates how cardiac CT images can be evaluated like in an echocardiographic examination with the help of a virtual ultrasound probe. Through hands-on experience the attendee can see how the characteristics of sonography, e.g. instant oblique slice image generation by hand movements, can be utilized in CT image interpre...
Conference Paper
PURPOSE/AIM Scrolling through images is the most "taken for granted" functionality of diagnostic imaging software. The goal of this exhibit is to create awareness of the differences in the available user interaction concepts, to discuss their benefits and drawbacks, and to present alternative solutions that can help to increase reading efficiency....
Article
Intraoperative radiography based on mobile image intensifier systems (C-arms) is widely used during the treatment of trauma and emergency patients. These devices produce scattered radiation, potential hazardous for surgeon and operation room personal (ORP). The propagation and intensity of scattered radiation is not intuitive, is not perceivable by...
Article
C-arm systems are used very frequently in trauma and orthopedic surgery. Radiation protection should be of the utmost importance in the use of such systems. Technicians, nurses, and surgeons usually position and manipulate the C-arm in the operating room (OR). Up to now, C-arm training is characterized by learning by doing. The virtX system is base...
Article
To discuss an approach to improve education in C-arm operation and reduction of radiation hazards based on a computer based training and simulation system called virtX. virtX is equipped with a visualization of scattered radiation and means to include patient positioning changes in radiograph simulation. virtX was integrated in a course for ORP and...
Article
The demographic change with a rising proportion of very old people and diminishing resources leads to an intensification of the use of telemedicine and home care concepts. To provide individualized decision support, data from different sources, e.g. vital signs sensors and home environmental sensors, need to be combined and analyzed together. Furth...
Article
Full-text available
During the intraoperative radiograph generation process with mobile image intensifier systems (C-arm) most of the radiation exposure for patient, surgeon and operation room personal is caused by scattered radiation. The intensity and propagation of scattered radiation depend on different parameters, e.g. the intensity of the primary radiation, and...
Article
Full-text available
Hintergrund und Fragestellung: Die durch röntgentechnische Diagnoseverfahren in der Medizin entstehende Strahlenbelastung für Patient und Personal soll laut Strahlenschutzverordnung so gering wie möglich gehalten werden. Um dieses zu erreichen ist ein professioneller und bedachter Umgang mit den Röntgengeräten unabdingbar. Dieses Verhalten kann der...
Article
Full-text available
Biomedical engineering research efforts have accomplished another level of a ldquotechnological solutionrdquo for diabetes: an artificial pancreas to be used by patients and supervised by healthcare professionals at any time and place. Reliability of continuous glucose monitoring, availability of real-time programmable insulin pumps, and validation...
Article
Operating room personnel (ORP) operating mobile image intensifier systems (C-arms) need training to produce high quality radiographs with a minimum of time and X-ray exposure. Our study aims at evaluating acceptance, usability and learning effect of the CBT system virtX that simulates C-arm based X-ray imaging in the context of surgical case scenar...
Article
INCA (Intelligent Control Assistant for Diabetes) is an EU funded project aimed at improving diabetes therapy by creating a personal closed-loop system interacting with telemedical remote control. This study aims at identifying and applying suitable methods for a cost-benefit analysis from the perspective of the payor for health services. For cost...
Conference Paper
The steady increase in life expectancy in our modern industrialized societies will not only lead to a significant change in demographics, but also in epidemiologic factors. This paper reviews current predictions for epidemiologic indicators and derives implications for the development of future health-enabling technologies. Methods: A literature se...
Article
Electronic patient record (EPR) systems are increasingly used and have matured sufficiently so as to contribute to high quality care and efficient patient management. Our objective is to summarize current trends and major achievements in the field of EPR in the last year and to discuss their future prospects. Integrating health data from a variety...
Article
To summarize current outstanding research in the field of health information systems (HIS). Synopsis of the articles selected for the IMIA Yearbook 2007. Five articles from three international peer reviewed journals were selected for the HIS section of the IMIA Yearbook 2007. They represent outstanding research on new user interfaces for mobile dat...
Article
Full-text available
Volumetric imaging (computed tomography and magnetic resonance imaging) provides increased diagnostic detail but is associated with the problem of navigation through large amounts of data. In an attempt to overcome this problem, a novel 3D navigation tool has been designed and developed that is based on an alternative input device. A 3D mouse allow...
Article
Despite the abundance of past home care projects and the maturity of the technologies used, there is no widespread dissemination as yet. The absence of accepted standards and thus interoperability and the inadequate integration into transinstitutional health information systems (tHIS) are perceived as key factors. Based on the respective literature...
Article
To analyze utilization of sensor technology in telemonitoring and home care and to discuss concepts and challenges of sensor-enhanced regional health information systems (rHIS). The study is based upon experience in sensor-based telemedicine and rHIS projects, and on an analysis of HIS-related journal publications from 2003 to 2005 conducted in the...
Article
Virtual integration of distributed patient data promises advantages over a consolidated health record, but raises questions mainly about practicability and authorization concepts. Our work aims on specification and development of a virtual shared health record architecture using a patient-centred integration and authorization model. A literature su...
Article
Full-text available
Demographic trends towards an aging society motivate the search for alternative health care paradigms. Information technology driven home-care and telecare are popular concepts, and a lot of projects resulted in corresponding systems. Thus the question arises what implications for health information system (HIS) architectures emerge and how sensor...
Article
Full-text available
Background and objectives: Currently the correct intrasurgical positioning and adjustment of mobile X-ray image intensifiers (C-arm) can be learned theoretically through the use of textbooks, the practical training with the device itself suffers from the lack of visual feedback, i.e. radiographs corresponding to the adjustment of the C-arm. This le...
Article
Electronic availability of health care claims data maintained by health insurance companies today is higher than the availability of clinical patient record data. To explore feasibility of automatically generated patient care summaries based on claims data and its benefit for health care professionals (HCP), when no shared electronic health record...