Zobrazeno 1 - 10
of 221
pro vyhledávání: '"R. Maniewski"'
The roles of mid-myocardial and epicardial cells in T-wave alternans development: a simulation study
Autor:
D. Janusek, J. Svehlikova, J. Zelinka, W. Weigl, R. Zaczek, G. Opolski, M. Tysler, R. Maniewski
Publikováno v:
BioMedical Engineering OnLine, Vol 17, Iss 1, Pp 1-21 (2018)
Abstract Background The occurrence of T-wave alternans in electrocardiographic signals was recently linked to susceptibility to ventricular arrhythmias and sudden cardiac death. Thus, by detecting and comprehending the origins of T-wave alternans, it
Externí odkaz:
https://doaj.org/article/2189039e39a24a2189220221acbfa8de
Publikováno v:
EMBC
In optical measurements of the brain oxygenation and perfusion the problem of contamination of the signals with the components related to the extracerebral tissues remains an obstacle limiting clinical applicability of the technique. In this paper we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17ec91a2c076760af06b9739bae2e972
https://doi.org/10.1109/embc.2013.6609901
https://doi.org/10.1109/embc.2013.6609901
Autor:
Andrzej Stankiewicz, Anna Zbieć, R Wierzbowski, K WOJTAś, A Liebert, Janusz Sierdziński, Joanna Wierzbowska, R Maniewski
Publikováno v:
Acta Ophthalmologica. 88
Purpose To define parameters of autonomic nervous system activity and peripheral vascular reactive hyperemia in normal tension glaucoma patients. Methods Ambulatory 24-hour electrocardiogram and blood pressure (BP) monitoring by using Lifecard CF and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd89526e94e4b861ad4cb1c44e48cf12
https://doi.org/10.1111/j.1755-3768.2010.2357.x
https://doi.org/10.1111/j.1755-3768.2010.2357.x
Publikováno v:
IFMBE Proceedings ISBN: 9783642038846
Laser-Doppler instrument optimized for estimation of red blood cells speed distributions in microvascular bed was developed. The instrument allows for decomposition of laser-Doppler spectra which based on an assumption that the spectrum can be repres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e740f5308213b180e6cea5579499f91f
https://doi.org/10.1007/978-3-642-03885-3_154
https://doi.org/10.1007/978-3-642-03885-3_154
Publikováno v:
IFMBE Proceedings ISBN: 9783642038785
We developed imaging system based on time-gated, intensified CCD camera which can be applied for evaluation of absorbing and fluorescent inclusions in optically turbid medium. The setup was validated in series of phantom experiments. Absorbing and fl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dff6fdb49eb51b1375ef0df52c0f0158
https://doi.org/10.1007/978-3-642-03879-2_154
https://doi.org/10.1007/978-3-642-03879-2_154
Publikováno v:
Review of Scientific Instruments. 70:1352-1354
An optoelectronic method for standardization of laser Doppler (LD) instruments is proposed and tested. The optoelectronic standardization is based on detection of modulated near-infrared light from a light emitting diode (LED) emitted into the optic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4f8fc7d723cfd1d8b29f56a66553e0b
https://doi.org/10.1063/1.1149596
https://doi.org/10.1063/1.1149596
Publikováno v:
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society.
The background and development of biocybernetics and biomedical engineering in Poland is presented. The present organisational structure in this field is shown. The main research activities are discussed and the Institute of Biocybernetics and Biomed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b06dc944566666b7241e4b47df566b7f
https://doi.org/10.1109/iembs.1996.646392
https://doi.org/10.1109/iembs.1996.646392
Publikováno v:
Medical science monitor : international medical journal of experimental and clinical research. 6(5)
To improve the diagnostic power of high resolution electrocardiography for discriminating patients at risk of ventricular arrhythmias, new methods based on spectral analysis have been used in recent years. The purpose of this study was to evaluate th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::480b7bb34044a11cffd2f5540a9efa43
https://pubmed.ncbi.nlm.nih.gov/11208449
https://pubmed.ncbi.nlm.nih.gov/11208449
Publikováno v:
Technology and health care : official journal of the European Society for Engineering and Medicine. 7(2-3)
This paper reviews the development and use of laser-Doppler perfusion monitors and imagers over the past two decades. The enormous interest in microvascular blood perfusion coupled with the 'ease of use' of the technique has led to 1500+ publications
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c9683afd7b17172697fa7d80d9a01388
https://pubmed.ncbi.nlm.nih.gov/10463304
https://pubmed.ncbi.nlm.nih.gov/10463304
Autor:
R, Maniewski, P, Leger, P, Lewandowski, A, Liebert, P, Bendayan, H, Boccalon, L, Bajorski, K O, Möller
Publikováno v:
Technology and health care : official journal of the European Society for Engineering and Medicine. 7(2-3)
The method of spectral analysis of laser-Doppler perfusion signal measured during thermal test is proposed. During three 20 min phases with 40, 5, and 40 degrees C of thermal test laser-Doppler perfusion signal was recorded. For each signal phase fre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::ced33ea5b4a3c8b8f2421ec33990fcd5
https://pubmed.ncbi.nlm.nih.gov/10463305
https://pubmed.ncbi.nlm.nih.gov/10463305