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Recognition of early symptoms of fetal distress with on-line analysis of bioelectrical signals from maternal abdomen

100%

Gacek A. , Matonia A. , Jeżewski J. , Kupka T.

tom Vol. 27, no. 1-2

207-216

Conventional fetal monitoring for recognition of fetal distress is based on ultrasound Doppler technique. The new approach proposed in this work relies on analysis of bioelectrical signals recorded from the maternal abdominal wall. Fetal electrocardiogram and uterine electrical signal are extracted from abdominal signals using advanced instrumentation and algorithms for signal processing. Evaluation of the fetal heart rate variability with an additional analysis of fetal electrocardiogram morphology is expected to ensure early detection of fetal hypoxia symptoms and, finally, an appropriate obstetrical intervention.

Monitoring of contraction activity of uterine muscle by the use of abdominal electrohysterography

100%

Matonia A. , Horoba K. , Jeżewski J. , Kupka T.

2006

tom Vol. 8, nr 2

27-34

Monitoring of contraction activity of uterine muscle is important diagnostic tool used both during pregnancy and labour. The strain of pregnant uterus exerted on maternal abdomen is measured via external tocography. However, limitation of this approach has caused a development of other technique – electrohysterography, which is based on recording an electrical uterine activity. The comparison between electrohysterography and tocography was made due to the possibility of the simultaneous recording of mechanical and electrical uterine muscle activity. The results obtained show that both methods demonstrate high agreement in relation to the number of contractions recognized as being consistent.

Telemetryczny nadzór przebiegu ciąży z adaptacyjnym doborem zakresu interpretacji przenośnego monitora

63%

Bożewicz D. , Wróbel J. , Jeżewski J. , Matonia A. , Pałko T. , Gacek A. , Kupka T. , Horoba K.

2006

tom z. 157

117-122

The system was designed for medical investigation beyond hospital unit. It can be applied in all places which are within the range of mobile phone network area. It shows the signal acquired from the cardiotocograph on the patient device screen and send all received data to the Clinical Surveillance Center (CSC). The data in CSC are analysed and presented on the medical doctor PC display. This system give possibility of permanent woman monitoring without hospitalisation. If medical doctor notes something suspicious, he can remotely take decision about medical intervention. Presented system of data acquisition and teletransmission fulfils the last standards of medicine, which expect more quickly exploration, better patient comfort and make communication with a medical doctor much easier.