J. M. Karemaker

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doi:10.1136/hrt.77.2.99

Quantification of wave reflection in the human aorta from pressure alone - A proof of principle (2006)

Westerhof, B.E., Guelen, I, Westerhof, N., Karemaker, J.M., Avolio, A.

Wave reflections affect the proximal aortic pressure and flow waves and play a role in systolic hypertension. A measure of wave reflection, receiving much attention, is the augmentation index (AI),...

Time course analysis of baroreflex sensitivity during postural stress (2006)

Westerhof, B.E., Gisolf, J, Karemaker, J.M., Wesseling, K.H., Secher, N.H., Lieshout, J.J. Van

Postural stress requires immediate autonomic nervous action to maintain blood pressure. We determined time-domain cardiac baroreflex sensitivity (BRS) and time delay (tau) between systolic blood...

Mathematical modeling of gravitational effects on the circulation: importance of the time course of venous pooling and blood volume changes in the lungs (2006)

Heusden, K. Van, 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 muscle activation-induced drop in systemic...

Changes in finger-aorta pressure transfer function during and after exercise (2006)

Stok, W.J., Westerhof, B.E., Karemaker, J.M.

Changes in finger-aorta pressure transfer function during and after exercise. J Appl Physiol 101: 1207-1214, 2006. First published June 1, 2006; doi:10.1152/japplphysiol.00876.2005.-Noninvasive...

Increased sympathetic activity present in early hypertensive pregnancy is not lowered by plasma volume expansion (2006)

Metsaars, W.P., Ganzevoort, J.W., Karemaker, J.M., Rang, S., Wolf, H.

Objective: To evaluate whether sympathetic activity is increased in early-onset hypertensive pregnancy and whether this can be influenced by management with plasma volume expansion. Methods: The...

Cardiovascular variability is/is not an index of autonomic control of circulation (2006)

Karemaker, J.M.

Dynamic cerebral autoregulation in acute lacunar and middle cerebral artery territory ischemic stroke (2005)

Immink, R.V., Montfrans, G.A. Van, Stam, J., Karemaker, J.M., Diamant, M., Lieshout, J.J. Van

The siphon controversy: an integration of concepts and the brain as baffle (2005)

Gisolf, J, Gisolf, A., Lieshout, J.J. Van, Karemaker, J.M.

Orthostatic blood pressure control before and after spaceflight, determined by time-domain baroreflex method (2005)

Gisolf, J, Immink, R.V., Lieshout, J.J. Van, Stok, W.J., Karemaker, J.M.

Dynamic cerebral autoregulation in acute lacunar and middle cerebral artery territory ischemic stroke (2005)

Immink, R.V., Montfrans, G.A. Van, Stam, J., Karemaker, J.M., Diamant, M., Lieshout, J.J. Van

Assessing the sensitivity of spontaneous baroreflex control of the heart: deeper insight into complex physiology [letter] (2004)

Parati, G., Rienzo, M. Di, Castiglione, P., Bouhaddi, M., Cerutti, C., Cividjian, A., ...

Baroreflex failure: a neglected type of secondary hypertension (2004)

Wieling, W., Karemaker, J.M., Lenders, J.W.M.

Cardiovascular responses to stress after carotid baroreceptor denervation in humans (2004)

Wieling, W., Karemaker, J.M., Lenders, J.W.M.

Long-term effects of unilateral carotid endarterectomy arterial baroreflex function (2004)

Buskens, F.G.M., Wieling, W., Karemaker, J.M., Lenders, J.W.M.

Use of lower abdominal compression to combat orthostatic hypotension in patients with autonomic dysfunction (2004)

Smit, A.A.J., Wieling, W., Fujimura, J., Deng, J.C., Opfer-Gherking, T.L., Akarriou, M., ...

Tidal volume, cardiac output and functional residual capacity determine end-tidal CO2 transient during standing up in humans (2004)

Gisolf, J, Wilders, R., Immink, R.V., Lieshout, J.J. Van, Karemaker, J.M.

Impaired cerebral autoregulation in patients with malignant hypertension (2004)

Immink, R.V., Montfrans, G.A. Van, Koopmans, R-P., Karemaker, J.M., Lieshout, J.J. Van

Tilt table design for rapid and sinusoidal posture change with minimal vestibular stimulation (2004)

Gisolf, J, Akkerman, E.M., Schreurs, W.H.P., Strackee, J., Stok, W.J., Karemaker, J.M.

Serial assessment of cardiovascular control shows early signs of developing pre-eclampsia (2004)

Rang, S., Wolf, H., Montfrans, G.A. Van, Karemaker, J.M.

Comparison of various techniques used to estimate spontaneous baroreflex sensitivity (the EuroBaVar study) (2004)

Laude, D., Girard, A., Bellard, E., Bouhaddi, M., Castiglioni, P., ...

Time-domain cross-correlation baroreflex sensitivity: performance on the EUROBAVAR data set (2004)

Westerhof, B.E., Gisolf, J, Stok, W.J., Wesseling, K.H., Karemaker, J.M.

Impaired cerebral autoregulation in patients with malignant hypertension (2004)

Immink, R.V., Montfrans, G.A. Van, Koopmans, R-P., Karemaker, J.M., Lieshout, J.J. Van

Tidal volume, cardiac output and functional residual capacity determine end-tidal CO2 transient during standing up in humans (2004)

Gisolf, J, Wilders, R., Immink, R.V., Lieshout, J.J. Van, Karemaker, J.M.

Sublingual nitroglycerin used in routine tilt testing provokes a cardiac output-mediated vasovagal response (2004)

Gisolf, J, Westerhof, B.E., Dijk, N. Van, Wesseling, K.H., Wieling, W., Karemaker, J.M.

Human cerebral venous outflow pathway depends on posture and central venous pressure (2004)

Gisolf, J, Lieshout, J.J. Van, Heusden, K. Van, Pott, F., Stok, W.J., Karemaker, J.M.

Tilt table design for rapid and sinusoidal posture change with minimal vestibular stimulation (2004)

Gisolf, J, Akkerman, E.M., Schreurs, W.H.P., Strackee, J., Stok, W.J., Karemaker, J.M.

Syncope, cerebral perfusion, and oxygenation (2003)

Lieshout, J.J. Van, Wieling, W., Karemaker, J.M., Secher, N.H.

Tracking of cardiac output from arterial pulse wave [letter] (2003)

Lieshout, J.J. Van, Karemaker, J.M.

Arterial baroreflex and peripheral chemoreflex function after radiotherapy for laryngeal or pharyngeal cancer (2002)

Karemaker, J.M., Wieling, W., Folgering, H.T.M., Marres, H.A.M., ...

Long-term effects of carotid sinus Denervation on arterial blood pressure in humans (2002)

Smit, A.A.J., Wieling, W., Wagenaar, M., Marres, H.A.M., Lenders, J.W.M., ...

Non-invasive assessment of autonomic cardiovascular control in normal human pregnancy and pregnancy-associated (2002)

Rang, S., Wolf, H., Montfrans, G.A. Van, Karemaker, J.M.

Orthostatic tolerance after space flight (2002)

Wieling, W., Halliwill, J.R., Karemaker, J.M.

Heart rate variability: a telltale of health or disease (2000)

Karemaker, J.M., Lie, K.I.

Measurement of heart rate and blood pressure to evaluate disturbances in neurocardiovascular control (1999)

Wieling, W., Karemaker, J.M.

Baroreflex failure following radiation therapy for nasopharyngeal carcinoma (1999)

Karemaker, J.M., Lenders, J.W.M., Wieling, W.

Noninvasive cardiac output measurement in orthostasis: pulse contour analysis compared with acetylene rebreathing (1999)

Stok, W.J., Stringer, R.C.O., Karemaker, J.M.

Effects of treatment of obstructive sleep apnea on circadian hemodynamics (1999)

Voogel, A.J., Steenwijk, R.P. Van, Karemaker, J.M., Montfrans, G.A. Van

Effects of treatment of obstructive sleep apnea on circadian hemodynamics (1999)

Voogel, A.J., Steenwijk, R.P. Van, Karemaker, J.M., Montfrans, G.A. Van

Effects of treatment of obstructive sleep apnea on circadian hemodynamics (1999)

Voogel, A.J., Steenwijk, R.P. Van, Karemaker, J.M., Montfrans, G.A. Van

Autonomic integration: the physiological basis of cardiovascular variability (perspectives) (1999)

Karemaker, J.M.

Orthostatic intolerance, blood pressure and its variability (1998)

Halmai, L., Wieling, W., Karemaker, J.M.

Flauwvallen, door het zenuwstelsel gestuurd (1998)

Donselaar, Y., Karemaker, J.M.

Sleep apnea syndrome as extreme condition of the respiratory control system (1998)

Steenwijk, R.P. Van, Karemaker, J.M.

Diabetic autonomic neuropathy: conventional cardiovascular laboratory testing and new developments (1997)

Wieling, W., Smit, A.A.J., Karemaker, J.M.

Analysis of blood pressure and heart rate variability: theoretical considerations (1997)

Karemaker, J.M.

Pathophysiological mechanisms underlying vasovagal syncope in young subjects (1997)

Wieling, W., Smit, A.A.J., Lieshout, J.J. Van, Karemaker, J.M.

Neural circulatory control in vasovagal syncope (1997)

Lieshout, J.J. Van, Wieling, W., Karemaker, J.M.

Heart rate variability: why do spectral analysis ? (1997)

Karemaker, J.M.

Heart rate variability: why do spectral analysis ? (1997)

Karemaker, J.M.

Circadian blood pressure and systemic haemodynamics during 42 days of 6o head-down tilt (1997)

Voogel, A.J., Stok, W.J., Pretorius, P.J., Montfrans, G.A. Van, Langewouters, G.J., Karemaker, J.M.

Heart rate variability: why do spectral analysis ? (1997)

Karemaker, J.M.

Lower Body Fluid Pooling Does Not Fully Explain Post Flight Orthostatic Intolerance (1995)

Baisch, F. J., Beck, L. E. J., Blomqvist, C. G. (1), Karemaker, J. M. (2)

Increased Orthostatic Blood Pressure Variability After Prolonged Head-Down Tilt (1992)

Baisch, F., Karemaker, J. M. (1)

Influence of Posture and Prolonged Head-Down Tilt on Cardiovascular Reflexes (1992)

Beck, L., Karemaker, J. M. (1)

Cardiopulmonary Function During 10 Days of Head-Down Tilt Bedrest (1992)

Schulz, H. (1), Hillebrecht, A. (1), Karemaker, J. M. (2), TenHarkel, A. D. J.(3), Beck, L., Baisch, F., Meyer, M. (1)

Pulmonary and cardiovascular responses to simulated weigthlessness i.e. 6 degrees head-down tilt bedrest (HDT) were investigated in six healthy male volunteers (mean age 26 yrs.). Pulmonary diffusing...

Head-Down Tilt Bedrest HDT'88 - An International Collaborative Effort in Integrated Systems Physiology (1992)

Baisch, F., Beck, L., Karemaker, J. M. (1), Arbeille, Ph. (2), Gaffney, F. A. (3), Blomqvist, C. G. (3)

An international collaborative project, initiated by DLR-NASA Life Sciences Working Group, led to the performance of a head-down tilt bedrest (HDT) study at the DLR Institute for Aerospace Medicine....

The Autonomic Nervous System in Blood Pressure Regulation during 10 Days 6 Degrees Head Down Tilt (1990)

Ten Harkel, D. J., Baisch, F., Beck, L., Karemaker, J. M.

Blood Pressure Regulation in Sudden Weightlessness and After 10 Days Simulated Weightlessness (HDT). (1990)

Karemaker, J. M., Baisch, F., Ten Harkel, D. J., Kuykens, H. J. P., Settels, J. J., Wessling, K. H.

Accuracy of auscultatory blood pressure measurement with a long cuff.

Van Montfrans, G A, Van Der Hoeven, G M, Karemaker, J M, Wieling, W, Dunning, A J

Intra-arterial blood pressure was compared with simultaneous auscultatory measurements in 37 subjects with a wide range of blood pressures and arm circumferences; six cuffs of various lengths and...

Human cerebral venous outflow pathway depends on posture and central venous pressure

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 causes them to collapse. An alternative...

Relaxation therapy and continuous ambulatory blood pressure in mild hypertension: a controlled study.

Van Montfrans, G A, Karemaker, J M, Wieling, W, Dunning, A J

OBJECTIVE--To determine the long term effects of relaxation therapy on 24 hour ambulatory intra-arterial blood pressure in patients with mild untreated and uncomplicated hypertension. DESIGN--Four...

Accuracy of auscultatory blood pressure measurement with a long cuff.

Van Montfrans, G A, Van Der Hoeven, G M, Karemaker, J M, Wieling, W, Dunning, A J

Intra-arterial blood pressure was compared with simultaneous auscultatory measurements in 37 subjects with a wide range of blood pressures and arm circumferences; six cuffs of various lengths and...

Relaxation therapy and continuous ambulatory blood pressure in mild hypertension: a controlled study.

Van Montfrans, G A, Karemaker, J M, Wieling, W, Dunning, A J

OBJECTIVE--To determine the long term effects of relaxation therapy on 24 hour ambulatory intra-arterial blood pressure in patients with mild untreated and uncomplicated hypertension. DESIGN--Four...

Human cerebral venous outflow pathway depends on posture and central venous pressure

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 causes them to collapse. An alternative...

Heart rate variability: why do spectral analysis?

Karemaker, J. M.

Acute dysautonomia associated with Hodgkin's disease.

Van Lieshout, J J, Wieling, W, Van Montfrans, G A, Settels, J J, Speelman, J D, Endert, E, ...

A patient is described with acute dysautonomia associated with Hodgkin's disease. Testing of cardiovascular reflex control showed that this patient had a rare manifestation of autonomic...