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Berndt, R. D.; Takenga, M. C.; Kuehn, S.; Preik, P.; Stoll, N.; Thurow, K.; Kumar, M.; Weippert, M.; Rieger, A.; Stoll, R.:

A Scalable and Secure Telematics Platform for the Hosting of Telemedical Applications. Case Study of a Stress and Fitness Monitoring. IEEE, 13th International Conference on e-Health Networking, Application and Services, Columbia, USA , 13.06.-15.06.2011, accepted and presented.

Abstract—Mobile telemedical applications are of crucial importance today as they do offer the potential to improve the quality of the health care related services. It has been proven that the leading cause of several illnesses and diseases are stress and the lack of fitness practices. Based on that, a system capable of estimating and monitoring both stress and fitness levels without a physical consultation of a medical specialist is presented in this work. A correlation between physiological parameters and stress or fitness is explored in the developed intelligent expert system. In order to enable the implementation of such a complex system, a flexible Telematics Platform is conceived. This Telematics Platform does guarantee a secure data communication involving encryption and a suitable visualization of the fitness and stress assessment results on both the patient’s mobile phone and on a web-based portal. Moreover, the platform is scalable and can therefore be easily extended in order to support different kinds of telemedical applications. The system presented in this paper does enable the efficient and cost-effective stress and fitness monitoring of patients while being at home or practicing their daily jobs with their subsequent eventual mobility.

M. C. Takenga, R-D. Berndt, S. Kuehn, P. Preik, N. Stoll2, K. Thurow,  M. Kumar,
S. Behrendt, M. Weippert, A. Rieger, R. Stoll:

Stress and Fitness Monitoring embedded on a modern Telematics Platform.
Accepted for publication in the journal Telemedicine and e-Health 2011.

Abstract—The lack of regular physical activity and high-stress levels are the leading causes of several illnesses. There is thus a real need for a personal low-cost and mobile monitoring solution over extended periods to prevent health risks. Based on this fact, this paper presents a system capable of estimating and monitoring both stress and fitness levels without a physical consultation of a medical specialist. The system consists of three main sub-components: a mobile real-time acquisition of physiological as well as subjective data, an expert model for  stress and fitness estimations based on physiological signals collected from wireless vital sensors and a secure and scalable telematics platform on which the entire system is embedded. Features and tasks performed by the Telematics Platform will be presented. The experimental part of the work involved a representative number of subjects. 110 Subjects, whose fitness levels were assessed at different periods of the year and 50 individuals, whose stress scores were assessed at different times of the day, show a high correlation of the estimated values with the true ones. The application of such a low-cost monitoring system will improve the quality of service in preventive medicine.

R-D. Berndt, M. C. Takenga, S. Kuehn, P. Preik, D. Dubbermann, M. Juenger:

Teledermatology applied for the therapy of skin illnesses.
Under review for Journal Publication 2012.

Abstract— The increasing number of elderly and chronically ill patients is currently stressing the healthcare systems. One of the solutions for reaching an economically and socially viable solution is exploiting the benefits of modern technologies. This paper presents an innovative mobile teledermatology for supporting the therapy and aftercare of patients suffering from skin diseases. Patients send securely needed information including images and subjective evaluations to the Telematics Platform using an application implemented on their smart phones.  The key idea is to ensure a sufficient involvement of the patient in the therapy process and to motivate him through his active cooperation. The system does provide an easy-to-use user-interface that supports interactive communication between the medical personal and the patients. In order to obtain exhaustive and comprehensive functional requirements, several players including dermatologists, nurses, patients and developers worked closely together during the development   process. The application was tested in a one year study conducted at the clinic for skin diseases of the University of Greifswald in Germany by patients with diseases such as ulcus cruris, postoperative wound documentation, Eczema and Psoriasis. The study’s main focuses were among others: patient and clinician satisfaction, impact on the therapy process, cost effectiveness and quality of service. Positive feedbacks from both categories of users do confirm a high potential of mobile teledermatology as means of dermatological healthcare delivery.