Search Results - "Karemaker, J. M"

Human cerebral venous outflow pathway depends on posture and central venous pressure by Gisolf, J., Van Lieshout, J. J., Van Heusden, K., Pott, F., Stok, W. J., Karemaker, J. M

“…Internal jugular veins are the major cerebral venous outflow pathway in supine humans. In upright humans the positioning of these veins above heart level…”
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Automated analysis of finger blood pressure recordings provides insight in determinants of baroreflex sensitivity and heart rate variability—the HELIUS study by Collard, D., Westerhof, B. E., Karemaker, J. M., Stok, W. J., Postema, P. G., Krediet, C. T. P., Vogt, L., van den Born, B. J. H.

“…Sympathovagal balance is important in the pathogenesis of hypertension and independently associated with mortality. We evaluated the value of automated…”
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Dynamic adaptation of cardiac baroreflex sensitivity to prolonged exposure to microgravity: data from a 16-day spaceflight by Di Rienzo, M, Castiglioni, P, Iellamo, F, Volterrani, M, Pagani, M, Mancia, G, Karemaker, J. M, Parati, G

“…1 Polo Tecnologico, Fondazione Don Carlo Gnocchi, ONLUS, Milano, Italy; 2 Dipartimento di Medicina Interna, Universita' di Roma "Tor Vergata," and IRCCS San…”
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Mathematical modeling of gravitational effects on the circulation: importance of the time course of venous pooling and blood volume changes in the lungs by van Heusden, K, Gisolf, J, Stok, W J, Dijkstra, S, Karemaker, J M

“…A dip in blood pressure (BP) in response to head-up tilt (HUT) or active standing might be due to rapid pooling in the veins below the heart (preload) or…”
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Serial assessment of cardiovascular control shows early signs of developing pre-eclampsia by Rang, Sasika, Wolf, H, Montfrans, G Av, Karemaker, J M

“…PURPOSETo evaluate whether differences in autonomic cardiovascular control between normal pregnant women and women who develop pre-eclampsia later in pregnancy…”
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Orthostatic blood pressure control before and after spaceflight, determined by time-domain baroreflex method by Gisolf, J, Immink, R. V, van Lieshout, J. J, Stok, W. J, Karemaker, J. M

“…1 Departments of Physiology and 2 Internal Medicine, Academic Medical Center, Amsterdam, The Netherlands Submitted 29 October 2004 ; accepted in final form 7…”
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The siphon controversy: an integration of concepts and the brain as baffle by Gisolf, J, Gisolf, A, van Lieshout, J J, Karemaker, J M

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Hemodynamic fluctuations and baroreflex sensitivity in humans: a beat-to-beat model by deBoer, R W, Karemaker, J M, Strackee, J

“…A beat-to-beat model of the cardiovascular system is developed to study the spontaneous short-term variability in arterial blood pressure (BP) and heart rate…”
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Baroreflex failure: a neglected type of secondary hypertension by TIMMERS, H. J. L. M, WIELING, W, KAREMAKER, J. M, LENDERS, J. W. M

“…The arterial baroreflex buffers abrupt transients of blood pressure and prevents pressure from rising or falling excessively. In experimental animals,…”
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Autonomic Dysfunction Precedes Development of Rheumatoid Arthritis: A Prospective Cohort Study by Koopman, F.A., Tang, M.W., Vermeij, J., de Hair, M.J., Choi, I.Y., Vervoordeldonk, M.J., Gerlag, D.M., Karemaker, J.M., Tak, P.P.

“…Heart rate variability (HRV) is a validated method to establish autonomic nervous system (ANS) activity. Rheumatoid arthritis (RA) is accompanied by ANS…”
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The vasovagal response by van Lieshout, J J, Wieling, W, Karemaker, J M, Eckberg, D L

“…The vasovagal response is the development of inappropriate cardiac slowing and arteriolar dilatation. Vasovagal responses reflect autonomic neural changes:…”
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Heart rate variability: why do spectral analysis? by Karemaker, J. M.

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Repetitive apneas induce periodic hypertension in normal subjects through hypoxia by van den Aardweg, J G, Karemaker, J M

“…Periodic increases in blood pressure (BP) can occur in the sleep apnea syndrome (SAS) during recurrent apneas. To investigate the mechanisms causing this…”
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Noninvasive cardiac output measurement by arterial pulse analysis compared with inert gas rebreathing by Stok, W J, Baisch, F, Hillebrecht, A, Schulz, H, Meyer, M, Karemaker, J M

“…Noninvasive cardiac output (CO) measured by arterial pulse analysis was compared with that measured by inert gas rebreathing in six healthy male volunteers…”
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Noninvasive cardiac output measurement in orthostasis: pulse contour analysis compared with acetylene rebreathing by Stok, W. J, Stringer, R. C. O, Karemaker, J. M

“…Academic Medical Center, Department of Physiology, University of Amsterdam, 1105AZ Amsterdam, The Netherlands We tested the reliability of noninvasive cardiac…”
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Blood pressure and heart rate responses to sudden changes of gravity during exercise by Linnarsson, D, Sundberg, C J, Tedner, B, Haruna, Y, Karemaker, J M, Antonutto, G, Di Prampero, P E

“…Heart rate (HR) and blood pressure responses to sudden changes of gravity during 80- to 100-W leg exercise were studied. One group was exposed to sudden…”
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Continuous non-invasive blood pressure monitoring: reliability of Finapres device during the Valsalva manoeuvre by Imholz, B P, van Montfrans, G A, Settels, J J, van der Hoeven, G M, Karemaker, J M, Wieling, W

“…Because of the inherent risks of intra-arterial blood pressure monitoring a new non-invasive device, Finapres, which measures blood pressure continuously in…”
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Heart rate variability: a telltale of health or disease by Karemaker, J.M., Lie, K.I.

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Relationships between short-term blood-pressure fluctuations and heart-rate variability in resting subjects. I: a spectral analysis approach by DE BOER, R. W, KAREMAKER, J. M, STRACKEE, J

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Effects of Aging on Blood Pressure Variability in Resting Conditions by Veerman, Derk P, Imholz, Ben P.M, Wieling, Wouter, Karemaker, John M, van Montfrans, Gert A

“…The objective of this study was to determine the effect of aging on beat-to-beat blood pressure and pulse interval variability in resting conditions and to…”
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