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• Clinical Article •
Preliminary study of phase-contrast cine MRI in measurement of sigmoid sinus blood flow
LIU Zhao-hui  GONG Shu-sheng  HU Ling  ZHAO Peng-fei  WANG Zhen-chang  WANG Guo-peng  XIAN Jun-fang  MA Xiao-bo  LI Yi 

DOI:10.3969/j.issn.1674-8034.2012.06.002.


[Abstract] Objective: To research the feasibility of measuring hemodynamic information of sigmoid sinus with phase-contrast cine MRI (PC cine MRI) in vivo.Materials and Methods: Twenty healthy adult volunteers underwent MR examination. The velocity encoded PC cine MRI was applied to measure the hemodynamic parameters in the middle of bilateral sigmoid sinus, including the peak positive velocity (PPV), peak negative velocity (PNV), average flow volume per beat (AFV/B), average positive flow volume per beat (APFV/B), and the average negative flow volume per beat (ANFV/B). On the basis of above measured hemodynamic parameters, heart rate (HR), and the cross sectional area of sigmoid sinus, the average flow volume per minute (AFV/M), average positive flow volume per minute (APFV/M), average negative flow volume per minute (ANFV/M), average positive velocity (APV), average negative velocity (ANV), and the regurgitation fraction (RF) were calculated.Results: The PPV of the left and right sigmoid sinus were(24.7±7.4) cm/s, (29.8±4.7) cm/s respectively, the APV (10.6±2.9) cm/s, (15.7±3.3) cm/s, the APFV/B (3.8±2.0) ml/beat, (5.2±2.0) ml/beat, the APFV/M (252.3±125.4) ml/min, (345.5±125.8) ml/min, the AFV/B (3.8±2.0) ml/beat, (5.1±1.9) ml/beat, and AFV/M (250.9±126.4) ml/min, (335.4±117.0) ml/min. The interquartile range of PNV of left and right sigmoid sinus were 0.2—34.3 cm/s, 0—34.4 cm/s respectively, ANV 0—0.3 cm/s, 0—1.0 cm/s, ANFV/B 0—0.1 ml/beat, 0—0.4 ml/beat, ANFV/M 0—6.5 ml/min, 0—30 ml/min, and RF 0%—2.7%, 0%—6.3%. There were statistically significant increase of the PPV and APV on the right sigmoid sinus without statistically significant differences in other hemodynamic parameters between left and right sigmoid sinus.Conclusion: The hemodynamic parameters in sigmoid sinus can be measured with PC cine MRI.
[Keywords] Cranial sinuses；Hemodynamic phenomena；Magnetic resonance imaging

LIU Zhao-hui# Department of Radiology, Capital Medical University, Beijing Tongren Hospital, Beijing 100730, China

GONG Shu-sheng# Department of Otolaryngology Head and Neck Surgery, Capital Medical University, Beijing Tongren Hospital, Beijing 100730, China

HU Ling Department of Radiology, Capital Medical University, Beijing Tongren Hospital, Beijing 100730, China

ZHAO Peng-fei Department of Radiology, Capital Medical University, Beijing Tongren Hospital, Beijing 100730, China

WANG Zhen-chang * Department of Radiology, Capital Medical University, Beijing Tongren Hospital, Beijing 100730, China

WANG Guo-peng Department of Otolaryngology Head and Neck Surgery, Capital Medical University, Beijing Tongren Hospital, Beijing 100730, China

XIAN Jun-fang Department of Radiology, Capital Medical University, Beijing Tongren Hospital, Beijing 100730, China

MA Xiao-bo Department of Otolaryngology Head and Neck Surgery, Capital Medical University, Beijing Tongren Hospital, Beijing 100730, China

LI Yi Department of Otolaryngology Head and Neck Surgery, Capital Medical University, Beijing Tongren Hospital, Beijing 100730, China

#Both authors contributed equally to this work

*Correspondence to: Wang ZC, E-mail: cjr.wzhch@vip.163.com

Conflicts of interest   None.

Received  2012-07-20
Accepted  2012-09-07
DOI: 10.3969/j.issn.1674-8034.2012.06.002
DOI:10.3969/j.issn.1674-8034.2012.06.002.

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