NDLI: Method to observe hemodynamic and metabolic changes during hemodiafiltration therapy with exercise

Content Provider	IEEE Xplore Digital Library
Author	Cadena, M. Pérez-Grovas, H. Flores, P. Azpiroz, J. Borja, G. Medel, H. Sandoval, H. Rodriguez, F. Flores, F.
Copyright Year	2010
Description	Author affiliation: Instituto Nacional de Cardiología Ignacio Chávez. Juan Badiando No.1 Tlalpan, Mexico DF, Mexico (Pérez-Grovas, H.; Flores, P.) \|\| Universidad Autónoma Metropolitana-Iztapalapa, Departamento de Ingeniería Eléctrica, México D.F. 09340, Mexico (Cadena, M.; Azpiroz, J.; Borja, G.; Medel, H.; Sandoval, H.; Rodriguez, F.)
Abstract	Intradyalitic exercise programas are important to improve patient's hemodynamic stability. Blood pressure and metabolic changes are correlated when heat accumulation is due to increment of the body core temperature (+1.0 °C). However, increase in temperature could be controlled by lowering dialysate's temperature using two main modalities techniques (isothermic and thermoneural) with different patient's thermal balance consequences, not yet well studied. In this work, a new method to observe the main physiological parameters (hearth rate variability (HRV), blood pressure, BTM dialysate temperature control and substrate utilization by indirect calorimtery) which are involved in hemodiafitration (HDF), are displayd. An experiment was carried out in a group of 5 patients waiting kidney transplant. In each patient, EE was assessed as well as the HRV during isothermic and thermoneutral modalities as a manner of cross and prospective study (a) at before therapy, (b) during therapy and (c) at the end of the HDF therapy. Power extraction was also measured by a BTM (Blood Temperature Monitor from Fresenius Inc), in order to determine how the dialysate temperature was controlled. The results showed important method's advantages which place the BTM performance as unstable control system with the possibility to produce undesirable HRV changes as the vagotonical response. However more patient cases are needed in order to identify the real advantage of this new method.
Starting Page	1206
Ending Page	1209
File Size	1817608
Page Count	4
File Format	PDF
ISBN	9781424441235
ISSN	1557170X
DOI	10.1109/IEMBS.2010.5625945
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-31
Publisher Place	Argentina
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Medical treatment Temperature control Temperature measurement Biomedical monitoring Hemodynamics Substrates
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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