Adaptive Processing of Bioelectric Abdominal Signals To Improve the Reliability of Fetal Home Telemonitoring

Centralized system for fetal home telemonitoring with wireless data transmission based on GSM service and internet is presented in this paper. Cardiotocographic signals are provided by mobile instrumentation which consists of bioelectrical signal recorder and Tablet PC. It enables to support a classical interpretation of cardiotocographic trace by information on fetal electrocardiogram morphology. The system enables analysis, dynamic presentation and archiving of acquired signals and medical data. Novelty of proposed approach relies on modification of the procedures to process the abdominal signals in mobile instrumentation and adaptive controlling of the monitoring session in surveillance center. These adaptations are performed automatically through advanced algorithms based on continuous analyzing of the quality and quantitative parameters of the acquired signals. In that way the amount and content of data transmitted through remote channels to surveillance center can be controlled to ensure the most reliable assessment of fetal well-being. Key-Words: home monitoring, telemedicine, high-risk pregnancy, fetal surveillance, FECG, signal processing