Search Results - "HEES, P. S"

Fitness, fatness and activity as predictors of bone mineral density in older persons by Stewart, K. J., Deregis, J. R., Turner, K. L., Bacher, A. C., Sung, J., Hees, P. S., Tayback, M., Ouyang, P.

“… Stewart KJ, DeRegis JR, Turner KL, Bacher AC, Sung J, Hees PS, Tayback M, Ouyang P (Johns Hopkins Bayview Medical Center, Johns Hopkins University, School of…”
Get full text

Noninvasive measurement of shortening in the fiber and cross-fiber directions in the normal human left ventricle and in idiopathic dilated cardiomyopathy by MACGOWAN, G. A, SHAPIRO, E. P, AZHARI, H, SIU, C. O, HEES, P. S, HUTCHINS, G. M, WEISS, J. L, RADEMAKERS, F. E

“…Studies in anesthetized dogs have shown that myocardial fibers shorten approximately 8%. However, in the endocardium, shortening occurs to a much greater…”
Get full text

Exercise blood pressure response is related to left ventricular mass by SUNG, J, OUYANG, P, SILBER, H. A, BACHER, A. C, TURNER, K. L, DEREGIS, J. R, HEES, P. S, SHAPIRO, E. P, STEWART, K. J

“…An exaggerated SBP response to exercise has been associated with increased left ventricular (LV) mass in some but not all studies. A total of 43 women and 34…”
Get full text

MRI assessment of LV relaxation by untwisting rate: a new isovolumic phase measure of tau by Dong, S J, Hees, P S, Siu, C O, Weiss, J L, Shapiro, E P

“…Most noninvasive measures of diastolic function are made during left ventricular (LV) filling and are therefore subject to "pseudonormalization," because…”
Get more information

Effects of afterload on regional left ventricular torsion by MACGOWAN, G. A, BURKHOFF, D, WEISS, J. L, SHAPIRO, E. P, ROGERS, W. J, SALVADOR, D, AZHARI, H, HEES, P. S, ZWEIER, J. L, HALPERIN, H. R, SIU, C. O, LIMA, J. A. C

“…To determine if left ventricular torsion, as measured by magnetic resonance tissue tagging, is afterload dependent in a canine isolated heart model in which…”
Get full text

Independent effects of preload, afterload, and contractility on left ventricular torsion by Dong, S J, Hees, P S, Huang, W M, Buffer, Jr, S A, Weiss, J L, Shapiro, E P

“…Shortening of oblique left ventricular (LV) fibers results in torsion. A unique relationship between volume and torsion is therefore expected, and the effects…”
Get full text

A new perfluorocarbon for use in fluorine-19 magnetic resonance imaging and spectroscopy by Sotak, C H, Hees, P S, Huang, H N, Hung, M H, Krespan, C G, Raynolds, S

“…A new perfluorocarbon, PTBD (perfluoro-2,2,2',2'-tetramethyl-4,4'-bis(1,3-dioxolane)), is described for use in 19F MR imaging and spectroscopy. Two-thirds of…”
Get more information

Relationships of insulin sensitivity with fatness and fitness and in older men and women by Ouyang, Pamela, Sung, Jidong, Kelemen, Mark D, Hees, Paul S, DeRegis, James R, Turner, Katherine L, Bacher, Anita C, Stewart, Kerry J

“…Increased body fatness, especially abdominal obesity, and low levels of fitness are associated with decreased insulin sensitivity. Men and women differ in…”
Get more information

Application of magnetic resonance imaging to physiologic and morphologic characterization of renal artery stenosis before and after angioplasty by Mukai, J, Kershaw, G, Hees, P S

“…This study describes the application of dynamic gadolinium-enhanced magnetic resonance (MR) imaging and MR angiography in the diagnosis and evaluation of the…”
Get more information

Assessment of changes in murine tumor oxygenation in response to nicotinamide using 19F NMR relaxometry of a perfluorocarbon emulsion by Hees, P S, Sotak, C H

“…The oxygen dependencies of the 19F NMR spin-lattice relaxation rates (R1 = 1/T1) of a perfluorocarbon emulsion sequestered in a murine tumor model has been…”
Get more information

Intraarterial 9-β-methyl carbacyclin improves canine polytetrafluoroethylene graft patency by Dacey, Lawrence J., Hees, Paul S., Cronenwett, Jack L.

“…This study examined the effect of 9-β-methyl carbacyclin, a synthetic, stable prostacyclin analog, on canine polytetrafluoroethylene (PTFE) graft patency…”
Get full text

Exercise and risk factors associated with metabolic syndrome in older adults by Stewart, Kerry J., Bacher, Anita C., Turner, Katherine, Lim, Jimmy G., Hees, Paul S., Shapiro, Edward P., Tayback, Matthew, Ouyang, Pamela

“…Older people with elevated blood pressure (BP) often have metabolic syndrome, a clustering of central obesity, insulin resistance, dyslipidemia, and…”
Get full text

Left ventricular remodeling with age in normal men versus women: Novel insights using three-dimensional magnetic resonance imaging by Hees, Paul S, Fleg, Jerome L, Lakatta, Edward G, Shapiro, Edward P

“…Echocardiographic left ventricular (LV) wall thickness increases with age, suggesting LV hypertrophy. However, autopsy studies have shown no change, or even a…”
Get full text

Exercise effects on bone mineral density relationships to changes in fitness and fatness by Stewart, Kerry J, Bacher, Anita C, Hees, Paul S, Tayback, Matthew, Ouyang, Pamela, Jan de Beur, Suzanne

“…Weight loss typically reduces bone mineral density (BMD). Exercise may preserve or increase BMD even while reducing fatness. We examined the relationships…”
Get full text

MRI and echocardiographic assessment of the diastolic dysfunction of normal aging: altered LV pressure decline or load? by Hees, Paul S, Fleg, Jerome L, Dong, Sheng-Jing, Shapiro, Edward P

“…Changes in diastolic indexes during normal aging, including reduced early filling velocity (E), lengthened E deceleration time (DT), augmented late filling…”
Get more information

A Self-Sampling Method to Obtain Large Volumes of Undiluted Cervicovaginal Secretions by BOSKEY, ELIZABETH R., MOENCH, THOMAS R., HEES, PAUL S., CONE, RICHARD A.

“…Background: Studies of vaginal physiology and pathophysiology sometime require larger volumes of undiluted cervicovaginal secretions than can be obtained by…”
Get full text

Effects of Normal Aging on Left Ventricular Lusitropic, Inotropic, and Chronotropic Responses to Dobutamine by Hees, Paul S., Fleg, Jerome L., Mirza, Zulfiqar A., Ahmed, Sujood, Siu, Cynthia O., Shapiro, Edward P.

“…Effects of Normal Aging on Left Ventricular Lusitropic, Inotropic, and Chronotropic Responses to Dobutamine Paul S. Hees, Jerome L. Fleg, Zulfiqar A. Mirza,…”
Get full text

Effect of exercise on blood pressure in older persons: a randomized controlled trial by Stewart, Kerry J, Bacher, Anita C, Turner, Katherine L, Fleg, Jerome L, Hees, Paul S, Shapiro, Edward P, Tayback, Matthew, Ouyang, Pamela

“…Because of age-related differences in the cause of hypertension, it is uncertain whether current exercise guidelines for reducing blood pressure (BP) are…”
Get more information

ASSOCIATIONS OF GROWTH HORMONE SECRETION, INSULIN, AND VISCERAL FAT WITH BLOOD PRESSURE IN THE ELDERLY 876 by Stewart, K. J., Harman, S. M., Cottrell, E., Shapiro, E. P., Hees, P. S., Blackman, M. R.

Get full text

Peripheral endothelium-dependent flow-mediated vasodilatation is associated with left ventricular mass in older persons with hypertension by Sung, Jidong, Ouyang, Pamela, Bacher, Anita C., Turner, Katherine L., DeRegis, Jamie R., Hees, Paul S., Silber, Harry A., Shapiro, Edward P., Stewart, Kerry J.

“…Background Increased left ventricular (LV) mass is associated with greater cardiovascular disease risk. Recent studies have also shown an association of…”
Get full text