Search Results - "Riederer, S J"

Relationship between symptoms and disordered continence mechanisms in women with idiopathic faecal incontinence by Bharucha, A E, Fletcher, J G, Harper, C M, Hough, D, Daube, J R, Stevens, C, Seide, B, Riederer, S J, Zinsmeister, A R

“…Background and aims: Anal sphincter weakness and rectal sensory disturbances contribute to faecal incontinence (FI). Our aims were to investigate the…”
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Magnetic Resonance Imaging of Anatomic and Dynamic Defects of the Pelvic Floor in Defecatory Disorders by Fletcher, J G, Busse, R F, Riederer, S J, Hough, D, Gluecker, T, Harper, C M, Bharucha, A E

“…Endoanal ultrasound identifies anal sphincter anatomy, and evacuation proctography visualizes pelvic floor motion during simulated defecation. These…”
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Application of magnetic resonance imaging to measure fasting and postprandial volumes in humans by Fidler, J., Bharucha, A. E., Camilleri, M., Camp, J., Burton, D., Grimm, R., Riederer, S. J., Robb, R. A., Zinsmeister, A. R.

“…Our aims were to measure the gastric volume response in excess of ingested meal volume (i.e. gastric accommodation), contribution of swallowed air to this…”
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Fluoroscopically triggered contrast-enhanced three-dimensional MR angiography with elliptical centric view order: application to the renal arteries by Wilman, A H, Riederer, S J, King, B F, Debbins, J P, Rossman, P J, Ehman, R L

“…To determine the reliability of obtaining arterial-phase, contrast-material-enhanced three-dimensional (3D) magnetic resonance (MR) angiograms of the renal…”
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Respiratory motion of the heart: kinematics and the implications for the spatial resolution in coronary imaging by Wang, Y, Riederer, S J, Ehman, R L

“…Respiratory motion is a major limiting factor in improving image resolution and signal-to-noise ratio in MR coronary imaging. In this work the effects of…”
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Sensory motor cortex: correlation of presurgical mapping with functional MR imaging and invasive cortical mapping by Jack, Jr, C R, Thompson, R M, Butts, R K, Sharbrough, F W, Kelly, P J, Hanson, D P, Riederer, S J, Ehman, R L, Hangiandreou, N J, Cascino, G D

“…To describe a clinically useful application of functional magnetic resonance (MR) imaging--presurgical mapping of the sensory motor cortex--and to validate the…”
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Initial clinical experience in MR imaging of the brain with a fast fluid-attenuated inversion-recovery pulse sequence by Rydberg, J N, Hammond, C A, Grimm, R C, Erickson, B J, Jack, Jr, C R, Huston, 3rd, J, Riederer, S J

“…To evaluate fast fluid-attenuated inversion-recovery (FLAIR) technique for imaging brain abnormalities. A fast FLAIR sequence was developed that provided 36…”
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High-spatial-resolution contrast-enhanced MR angiography of the renal arteries: a prospective comparison with digital subtraction angiography by Fain, S B, King, B F, Breen, J F, Kruger, D G, Riederer, S J

“…To evaluate a high-spatial-resolution three-dimensional (3D) contrast material-enhanced magnetic resonance (MR) angiographic technique for detecting proximal…”
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Mesial temporal sclerosis: diagnosis with fluid-attenuated inversion-recovery versus spin-echo MR imaging by Jack, Jr, C R, Rydberg, C H, Krecke, K N, Trenerry, M R, Parisi, J E, Rydberg, J N, Cascino, G D, Riederer, S J

“…To compare the accuracy of a fluid-attenuated inversion-recovery (FLAIR) sequence with that of a conventional double spin-echo (SE) sequence in the…”
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Orbital navigator echoes for motion measurements in magnetic resonance imaging by Fu, Z W, Wang, Y, Grimm, R C, Rossman, P J, Felmlee, J P, Riederer, S J, Ehman, R L

“…A single "orbital" navigator echo, that has a circular k-space trajectory, is used to simultaneously measure in-plane rotational and multi-axis translational…”
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Feathering: Vertebral Artery Pseudostenosis with Elliptical Centric Contrast-Enhanced MR Angiography by Huston, J., III, Bernstein, M.A, Riederer, S.J

“…Elliptical centric contrast-enhanced MR angiography of the cervical vasculature is a well-established technique that in many practices has replaced…”
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Performance of an elliptical centric view order for signal enhancement and motion artifact suppression in breath-hold three-dimensional gradient echo imaging by Wilman, A H, Riederer, S J

“…An elliptical centric phase-encoding (PE) order is applied to steady-state 3DFT imaging as performed during a single breath-hold or following contrast agent…”
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Carotid artery: elliptic centric contrast-enhanced MR angiography compared with conventional angiography by Huston, 3rd, J, Fain, S B, Wald, J T, Luetmer, P H, Rydberg, C H, Covarrubias, D J, Riederer, S J, Bernstein, M A, Brown, R D, Meyer, F B, Bower, T C, Schleck, C D

“…To determine the accuracy of elliptic centric contrast material-enhanced magnetic resonance (MR) angiography by using conventional angiography as the reference…”
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Magnetic resonance imaging of transverse acoustic strain waves by Muthupillai, R, Rossman, P J, Lomas, D J, Greenleaf, J F, Riederer, S J, Ehman, R L

“…We describe a phase contrast based MRI technique with high sensitivity to cyclic displacement that is capable of quantitatively imaging acoustic strain waves…”
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Prospective multiaxial motion correction for fMRI by Ward, Heidi A., Riederer, Stephen J., Grimm, Roger C., Ehman, Richard L., Felmlee, Joel P., Jack Jr, Clifford R.

“…Corruption of the image time series due to interimage head motion limits the clinical utility of functional MRI. This paper presents a method for real‐time…”
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Three-dimensional contrast-enhanced MR angiography with real-time fluoroscopic triggering: design specifications and technical reliability in 330 patient studies by Riederer, S J, Bernstein, M A, Breen, J F, Busse, R F, Ehman, R L, Fain, S B, Hulshizer, T C, Huston, 3rd, J, King, B F, Kruger, D G, Rossman, P J, Shah, S

“…Technical reliability was determined for triggering three-dimensional (3D) contrast material-enhanced magnetic resonance (MR) angiography with MR fluoroscopy…”
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Assessment of Functional MR Imaging in Neurosurgical Planning by Lee, Christine C, Ward, Heidi A, Sharbrough, Frank W, Meyer, Fredric B, Marsh, W. Richard, Raffel, Corey, So, Elson L, Cascino, Gregory D, Shin, Cheolsu, Xu, Yuecheng, Riederer, Stephen J, Jack, Clifford R., Jr

“…Presurgical sensorimotor mapping with functional MR imaging is gaining acceptance in clinical practice; however, to our knowledge, its therapeutic efficacy has…”
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Comparison of breath-hold fast spin-echo and conventional spin-echo pulse sequences for T2-weighted MR imaging of liver lesions by Rydberg, J N, Lomas, D J, Coakley, K J, Hough, D M, Ehman, R L, Riederer, S J

“…To evaluate a breath-hold fast spin-echo (SE) technique for T2-weighted magnetic resonance (MR) imaging of liver lesions. A fast SE technique was developed…”
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Theoretical limits of spatial resolution in elliptical-centric contrast-enhanced 3D-MRA by Fain, Sean B., Riederer, Stephen J., Bernstein, Matt A., Huston III, John

“…The point spread function (PSF) for contrast‐enhanced three‐dimensional (3D) MR angiography using the elliptical centric view order is derived. This view order…”
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Carotid artery: prospective blinded comparison of two-dimensional time-of-flight MR angiography with conventional angiography and duplex US by Huston, 3rd, J, Lewis, B D, Wiebers, D O, Meyer, F B, Riederer, S J, Weaver, A L

“…A prospective blinded comparison of two-dimensional (2D) time-of-flight (TF) magnetic resonance (MR) angiography and color duplex flow ultrasound (US) with…”
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