𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Velocity and flow quantitation in the superior sagittal sinus with ungated and cine (gated) phase-contrast MR imaging

✍ Scribed by John E. Jordan; Norbert J. Pelc; Dieter R. Enzmann

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
568 KB
Volume
4
Category
Article
ISSN
1053-1807

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Normal blood flow and velocity in the superior sagittal sinus were measured in 30 patients. A fast two‐dimensional ungated phase‐contrast (PC) pulse sequence was compared with a peripherally gated cine PC technique for velocity and flow quantitation. The same imaging parameters were used for both methods. Measured values for mean velocity and flow obtained with the two methods were compared by using regression analysis and t testing. For blood flow, the correlation coefficient was 0.976. For velocity measurements, r was 0.950. Mean flow was 285 mL/min ± 19 with the ungated PC method and 281 mL/min ± 19 with the cine PC method. The mean velocities measured with the two methods were 12.94 cm/sec ± 1.1 and 13.59 cm/sec ± 1.1, respectively. There was no significant difference (paired t test) between the methods for mean flow or velocity data. This was true even though flow in the superior sagittal sinus is moderately pulsatile, as shown with the cine PC technique. The ungated PC method provided these data in 13 seconds versus 3.5 minutes for the cine PC method.

📜 SIMILAR VOLUMES

Flow pattern analysis in the abdominal a
Flow pattern analysis in the abdominal aorta with velocity-encoded cine MR imaging
✍ Gerhard H. Mostbeck; Matthias C. Dulce; Gary R. Caputo; Evelyn Proctor; Charles 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 952 KB

## Abstract The sites of deposition of atherosclerotic plaque on the aortic wall are considered to be influenced by secondary and retrograde flow patterns that cause regions of altered shear stress. To detect secondary flow patterns and areas of retrograde flow in the abdominal aorta, velocity‐enco

Accelerated phase-contrast MR imaging: C
Accelerated phase-contrast MR imaging: Comparison of k-t BLAST with SENSE and doppler ultrasound for velocity and flow measurements in the aorta
✍ Andreas Stadlbauer; Wilma van der Riet; Sebastian Globits; Gerard Crelier; Erich 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 457 KB

## Abstract ## Purpose To evaluate differences in velocity and flow measurements in the aorta between accelerated phase‐contrast (PC) magnetic resonance imaging (MRI) using SENSE and k‐t BLAST and in peak velocity to Doppler ultrasound. ## Materials and Methods Two‐dimensional PC‐MRI perpendicul

Myocardial blood flow in patients with d
Myocardial blood flow in patients with dilated cardiomyopathy: Quantitative assessment with velocity-encoded cine magnetic resonance imaging of the coronary sinus
✍ Norbert Watzinger; Gunnar K. Lund; Maythem Saeed; Gautham P. Reddy; Philip A. Ar 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 246 KB

## Abstract ## Purpose To quantify global myocardial perfusion using magnetic resonance imaging (MRI) in patients with heart failure due to idiopathic dilated cardiomyopathy (IDC) and to compare myocardial perfusion and microvascular reactivity with healthy subjects. ## Materials and Methods A t