Harry A Silber
Affiliation: Johns Hopkins University
- Finger photoplethysmography during the Valsalva maneuver reflects left ventricular filling pressureHarry A Silber
Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
Am J Physiol Heart Circ Physiol 302:H2043-7. 2012....
- Why is flow-mediated dilation dependent on arterial size? Assessment of the shear stimulus using phase-contrast magnetic resonance imagingHarry A Silber
Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
Am J Physiol Heart Circ Physiol 288:H822-8. 2005..Evaluating the shear stimulus using phase-contrast magnetic resonance imaging enhances the understanding of mechanisms underlying FMD...
- A novel method for assessing arterial endothelial function using phase contrast magnetic resonance imaging: vasoconstriction during reduced shearHarry A Silber
Division of Cardiology, Department of Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
J Cardiovasc Magn Reson 7:615-21. 2005..52 +/- .41 to 3.43 +/- .42 mm, p < .0001). In conclusion, arterial constriction during reduced flow can be measured using PCMRI. This new method may add important information toward a comprehensive evaluation of endothelial function...
- A rapid hemodynamic monitor of acute ischemia during cardiac procedures: changes in relaxation via a continuous left ventricular pressure-derivative loopHarry A Silber
Department of Surgery, Louisiana State University Medical Center, and Department of Surgery, Tulane University, New Orleans, Louisiana, USA
J Surg Res 134:107-13. 2006..This study investigated the utility of a continuous loop tracing of left ventricular pressure (LVP) plotted against its derivative (dP/dt) as a visual beat-to-beat monitor of acute changes in myocardial relaxation due to global ischemia...
- Arterial reactivity in lower extremities is progressively reduced as cardiovascular risk factors increase: comparison with upper extremities using magnetic resonance imagingHarry A Silber
Department of Medicine, Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
J Am Coll Cardiol 49:939-45. 2007..Our goal was to investigate whether the association between established cardiovascular risk factors and arterial reactivity differs between the lower and upper extremities...
- Exaggerated exercise blood pressure is related to impaired endothelial vasodilator functionKerry J Stewart
Department of Medicine, Division of Cardiology, Johns Hopkins School of Medicine, Baltimore, Maryland 21224, USA
Am J Hypertens 17:314-20. 2004..The mechanisms that explain this relationship are unknown. We examined the relationships of endothelial vasodilator function and of aortic stiffness with exercise BP...
- Effect of exercise on blood pressure in type 2 diabetes: a randomized controlled trialDevon A Dobrosielski
Department of Medicine, Division of Cardiology, The Johns Hopkins School of Medicine, 4940 Eastern Avenue, Baltimore, MD, 21204, USA
J Gen Intern Med 27:1453-9. 2012..Increased blood pressure (BP) in type 2 diabetes (T2DM) markedly increases cardiovascular disease morbidity and mortality risk compared to having increased BP alone...
- Peripheral endothelium-dependent flow-mediated vasodilatation is associated with left ventricular mass in older persons with hypertensionJidong Sung
Johns Hopkins University School of Medicine, Baltimore, MD, USA
Am Heart J 144:39-44. 2002..Less is known about the association between LV mass and endothelium-dependent flow-mediated dilatation (FMD) in peripheral arteries, a noninvasive measure of endothelial function...