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Magn Reson Imaging. 2009 Jun;27(5):617-24. doi: 10.1016/j.mri.2008.10.002. Epub 2008 Dec 23.

Dynamic half-Fourier single-shot turbo spin echo for assessment of deep venous thrombosis: initial observations.

Author information

  • 1Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA. ipedrosa@bidmc.harvard.edu

Abstract

OBJECTIVE:

The objective of this study was to retrospectively analyze the value of dynamic half-Fourier single-shot turbo spin echo (HASTE) imaging in patients with suspected deep venous thrombosis (DVT).

MATERIALS AND METHODS:

Fifty-five veins in 24 patients were interrogated using a HASTE sequence with the patients relaxed and in various degrees of Valsalva. Veins were analyzed for changes in caliber (+CAL) and signal intensity (+SI) or in their absence (-CAL and -SI, respectively) and compared with the presence of thrombus on gadolinium-enhanced magnetic resonance imaging.

RESULTS:

There was no thrombus in veins with the +CAL, +SI pattern (n=40) (P<.01). Five of seven veins (71.4%) with the -CAL, -SI pattern had thrombus (P<.01). A qualitative change in CAL had a sensitivity of 100% and a specificity of 91% for the presence of thrombus. An increase of 1.5 mm in CAL had a sensitivity of 100% and a specificity of 93% for this diagnosis.

CONCLUSION:

Dynamic HASTE imaging offers a physiological method to evaluate veins for deep venous thrombosis.

PMID:
19106024
[PubMed - indexed for MEDLINE]
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