Research Topics
| Peter RavenSummaryAffiliation: University of North Texas Country: USA Publications
Research Grants
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Detail Information
Publications
Cardiac and vasomotor components of the carotid baroreflex control of arterial blood pressure during isometric exercise in humansJames P Fisher
School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
J Physiol 572:869-80. 2006..These data suggest that alterations in vasomotor tone are the primary mechanism by which the CBR modulates blood pressure during low intensity isometric exercise...- Carotid-cardiac baroreflex function does not influence blood pressure regulation during head-up tilt in humansShigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA
J Physiol Sci 56:227-33. 2006..Furthermore, the maintenance of arterial blood pressure during postural stress is primarily mediated by arterial and cardiopulmonary reflex regulation of sympathetic activity and its effects on the systemic vasculature... - Differential baroreflex control of heart rate in sedentary and aerobically fit individualsS A Smith
Department of Integrative Physiology and Cardiovascular Research Institute, University of North Texas Health Science Center, Fort Worth 76107 2609, USA
Med Sci Sports Exerc 32:1419-30. 2000..2+/-1.9 mL x kg(-1) x min(-1)) and eight high fit (VO2max = 61.9+/-2.2 mL x kg(-1) x min(-1)) healthy young adults... - Arterial baroreflex resetting during exercise: a current perspectivePeter B Raven
The Department of Integrative Physiology, University of North Texas, Health Science Center, TX 76107, USA
Exp Physiol 91:37-49. 2006.... - Recent advances in baroreflex control of blood pressure during exercise in humans: an overviewPeter B Raven
Department of Integrative Physiology, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
Med Sci Sports Exerc 40:2033-6. 2008.... - The influence of central command on baroreflex resetting during exercisePeter B Raven
Department of Integrative Physiology and Cardiovascular Research Institute, University of North Texas Health Science Center, Fort Worth 76107, USA
Exerc Sport Sci Rev 30:39-44. 2002..Paradoxically, a parallel increase in heart rate and blood pressure manifests during exercise. Experimental evidence suggests these events are caused, in part, by a rapid resetting of the baroreflex by central command... - Inhibition of alpha-adrenergic vasoconstriction in exercising human thigh musclesD Walter Wray
Department of Integrative Physiology, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
J Physiol 555:545-63. 2004..However, alpha(2)-mediated vasoconstriction appears more sensitive to metabolic inhibition, because alpha(2) is completely inhibited even at low workloads, whereas alpha(1) becomes progressively inhibited with increasing workloads... - Comments on Point-Counterpoint "The muscle metaboreflex does/does not restore blood flow to contracting muscles"Peter B Raven
J Appl Physiol 100:371-2. 2006 - Cerebral autoregulation is preserved during orthostatic stress superimposed with systemic hypotensionHong Guo
Department of Integrative Physiology, University of North Texas Health Science Center, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA
J Appl Physiol 100:1785-92. 2006..This preserved CA is vital for the prevention of orthostatic syncope... - Effects of changes in central blood volume on carotid-vasomotor baroreflex sensitivity at rest and during exerciseShigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, Texas 76107, USA
J Appl Physiol 101:68-75. 2006.... - Exercise-induced inhibition of angiotensin II vasoconstriction in human thigh muscleR Matthew Brothers
Department of Integrative Physiology, University of North Texas Health Science Center, Fort Worth, TX 76107, USA, and Copenhagen Muscle Research Centre, Department of Cardiology, National Hospital, Blegdamsvej 9, DK-2100 Copenhagen O, Denmark
J Physiol 577:727-37. 2006.... - Carotid baroreceptor stimulation alters cutaneous vascular conductance during whole-body heating in humansDavid M Keller
Institute for Exercise and Environmental Medicine, 7232 Greenville Avenue, Dallas, TX 75231, USA
J Physiol 577:925-33. 2006..These findings indicate that carotid baroreceptor stimulation elicits dynamic changes in CVC and that these changes are more apparent during whole-body heating... - Regulation of middle cerebral artery blood velocity during recovery from dynamic exercise in humansShigehiko Ogoh
Dept of Integrative Physiology, Univ of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX 76107, USA
J Appl Physiol 102:713-21. 2007.... - Maximal oxygen uptake as a parametric measure of cardiorespiratory capacityMegan N Hawkins
Institute for Exercise and Environmental Medicine, Presbyterian Hospital of Dallas, 7232 Greenville Avenue, Dallas, TX 75231, USA
Med Sci Sports Exerc 39:103-7. 2007..This concept has recently been disputed because of the lack of published data reporting an unequivocal plateau in .VO2 during incremental exercise... - Increases in central blood volume modulate carotid baroreflex resetting during dynamic exercise in humansShigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA
J Physiol 581:405-18. 2007..These findings suggest that changes in cardiopulmonary baroreceptor load influence carotid baroreflex resetting during dynamic exercise... - Arterial baroreflex control of muscle sympathetic nerve activity in the transition from rest to steady-state dynamic exercise in humansShigehiko Ogoh
Dept of Integrative Physiology, Univ of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX 76107, USA
Am J Physiol Heart Circ Physiol 293:H2202-9. 2007.... - Diminished baroreflex-induced vasoconstriction following alpha-2 adrenergic receptor blockade in humansD Walter Wray
Department of Medicine, University of California San Diego, La Jolla, CA 92093 0623, United States
Auton Neurosci 138:114-7. 2008..These data indicate that alpha-2 adrenergic receptors contribute significantly to CBR-induced vasoconstriction in the human leg under resting conditions... - Physically active lifestyle enhances vagal-cardiac function but not central autonomic neural interaction in elderly humansXiangrong Shi
Department of Integrative Physiology, University of North Texas Health Science Center at Fort Worth, Fort Worth, Texas 76107, USA
Exp Biol Med (Maywood) 233:209-18. 2008..Aging is associated with an absence of central autonomic interaction in the control of blood pressure regardless of physical fitness... - Autonomic neural control of the cerebral vasculature: acute hypotensionShigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA
Stroke 39:1979-87. 2008..This study was designed to compare middle cerebral artery mean blood velocity responses to acute hypotension with and without alpha(1)-adrenoreceptor blockade (Prazosin) in young, healthy humans... - Regulation of middle cerebral artery blood velocity during dynamic exercise in humans: influence of agingJames P Fisher
Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, MO 65212, USA
J Appl Physiol 105:266-73. 2008..older 0.72 +/- 0.07 cm x s(-1) x mmHg(-1) at 50% HRR; P > 0.05). We conclude that despite greater increases in MAP, the regulation of MCAV(mean) is well maintained during dynamic exercise in healthy older middle-aged subjects... - The interaction of central command and the exercise pressor reflex in mediating baroreflex resetting during exercise in humansKevin M Gallagher
Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390 9034, USA
Exp Physiol 91:79-87. 2006..Therefore, we suggest that central command and the exercise pressor reflex interact such that signals from one input facilitate signals from the other, resulting in an enhanced resetting of the baroreflex during exercise... - Effects of recovery beverages on glycogen restoration and endurance exercise performanceMichael B Williams
Cardiovascular Research Institute, University of North Texas, Health Science Center at Fort Worth, Texas 76107, USA
J Strength Cond Res 17:12-9. 2003..05). These findings indicate that the rate of recovery is coupled with the rate of muscle glycogen replenishment and suggest that recovery supplements should be consumed to optimize muscle glycogen synthesis as well as fluid replacement... - Baroreflex-mediated changes in cardiac output and vascular conductance in response to alterations in carotid sinus pressure during exercise in humansShigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center at Fort Worth, TX, USA and Copenhagen Muscle Research Centre, Department of Anaesthesia, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
J Physiol 550:317-24. 2003..017) during heavy exercise. Collectively, these findings indicate that alterations in vasomotion are the primary means by which the CBR regulates blood pressure during mild to heavy exercise... - Carotid baroreflex responsiveness to head-up tilt-induced central hypovolaemia: effect of aerobic fitnessShigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
J Physiol 551:601-8. 2003..These findings provide an explanation for the predisposition to orthostatic hypotension and intolerance in well-trained athletes... - Partial blockade of skeletal muscle somatosensory afferents attenuates baroreflex resetting during exercise in humansScott A Smith
University of North Texas Health Science Center, Department of Integrative Physiology, Fort Worth, TX, USA
J Physiol 551:1013-21. 2003..However, this neural input appears to modify baroreflex control of blood pressure to a greater extent than heart rate... - Does pulsatile and sustained neck pressure or neck suction produce differential cardiovascular and sympathetic responses in humans?Shigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA
Exp Physiol 88:595-601. 2003..Furthermore, despite MSNA and HR returning towards baseline during NS, CBR-mediated changes in MAP are well maintained over 20 s of NS and NP... - Recent insights into carotid baroreflex function in humans using the variable pressure neck chamberPaul J Fadel
Department of Integrative Physiology, University of North Texas Health Science Center, Fort Worth, TX, USA
Exp Physiol 88:671-80. 2003.... - Noninvasive assessment of sympathetic vasoconstriction in human and rodent skeletal muscle using near-infrared spectroscopy and Doppler ultrasoundPaul J Fadel
Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390-8586, USA
J Appl Physiol 96:1323-30. 2004..92, P < 0.0001). These data indicate that, during steady-state metabolic conditions, changes in tissue oxygenation can be used to reliably assess sympathetic vasoconstriction in both resting and exercising skeletal muscle... - Carotid baroreflex function ceases during vasovagal syncopeShigehiko Ogoh
Department of Integrative Physiology, University of North Texas, Health Science Centre, Fort Worth, Texas, USA
Clin Auton Res 14:30-3. 2004..In addition, during the vasovagal syncope, baroreflex control was suppressed as blood pressure remained low during neck pressure stimuli. In conclusion, arterial baroreflex function ceases during vasovagal syncope... - Dynamic carotid baroreflex control of the peripheral circulation during exercise in humansD Walter Wray
Department of Integrative Physiology, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
J Physiol 559:675-84. 2004..However, despite a shift towards more predominant local control over the exercising muscle vasculature, systemic arterial blood pressure was well preserved... - Inhibition of KATP channel activity augments baroreflex-mediated vasoconstriction in exercising human skeletal muscleDavid Melvin Keller
University of North Texas Health Science Center at Fort Worth, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA
J Physiol 561:273-82. 2004..These findings indicate that K(ATP) channel activity modulates sympathetic vasoconstriction in humans and may prove to be an important mechanism by which functional sympatholysis operates in humans during exercise... - Carotid baroreflex control of leg vasculature in exercising and non-exercising skeletal muscle in humansDavid Melvin Keller
University of North Texas Health Science Center at Fort Worth, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA
J Physiol 561:283-93. 2004..05). Collectively, these data indicate that, despite a clear attenuation of the vascular response to MSNA in the exercising leg, CBR-mediated changes in mean arterial pressure were no different between rest and exercise... - Dynamic cerebral autoregulation during exhaustive exercise in humansShigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center, Fort Worth, Texas 76107, USA
Am J Physiol Heart Circ Physiol 288:H1461-7. 2005..05), whereas the phase shift tended to decrease. These findings suggest that dynamic cerebral autoregulation was impaired by exhaustive exercise despite a hyperventilation-induced reduction in Pa(CO(2))... - Middle cerebral artery flow velocity and pulse pressure during dynamic exercise in humansShigehiko Ogoh
Dept of Integrative Physiology, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX 76107, USA
Am J Physiol Heart Circ Physiol 288:H1526-31. 2005..However, dynamic CA remains able to modulate blood flow around the exercise-induced increase in MCA V(m), even during high-intensity exercise... - Autonomic nervous system influence on arterial baroreflex control of heart rate during exercise in humansShigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
J Physiol 566:599-611. 2005..These findings suggest that during exercise the reduction of arterial baroreceptor reflex sensitivity at the operating point was a result of vagal withdrawal rather than an increase in sympathetic activity... - Cardiopulmonary baroreflex is reset during dynamic exerciseShigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, Texas 76107, USA
J Appl Physiol 100:51-9. 2006..These data indicate that the cardiopulmonary baroreflex had been reset during exercise to the new operating point associated with the exercise-induced change in cardiac filling volume... - Carotid baroreflex control of leg vascular conductance at rest and during exerciseDavid M Keller
Department of Integrative Physiology, University of North Texas Health Science Center, Fort Worth 76107, USA
J Appl Physiol 94:542-8. 2003..Furthermore, despite alterations in CBR-induced changes in LVC during exercise, CBR control of blood pressure was well maintained... - The effect of changes in cardiac output on middle cerebral artery mean blood velocity at rest and during exerciseShigehiko Ogoh
Department of Integrative Physiology, University of North Texas Health Science Center at Fort Worth, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA
J Physiol 569:697-704. 2005..It appears that the exercise induced sympathoexcitation and the change in the distribution of between the cerebral and the systemic circulation modifies the relationship between MCA V(mean) and ...
Research Grants
- Arterial Baroreflex Control of Blood Pressure (Exercise)Peter Raven; Fiscal Year: 2006..These findings will have implications for the care of patients suffering from non-insulin dependent diabetes mellitus (NIDDM), hypertension and cardiac failure. ..
- ARTERIAL BAROREFLEX CONTROL OF BLOOD PRESSURE-- EXERCISEPeter Raven; Fiscal Year: 2002....