Exposing hidden truncation-related errors in acute stroke perfusion imaging.

@article{Copen2015ExposingHT,
  title={Exposing hidden truncation-related errors in acute stroke perfusion imaging.},
  author={William A Copen and Amy Deipolyi and P. W. Schaefer and Lee H Schwamm and R. Gilberto Gonzalez and Ona Wu},
  journal={AJNR. American journal of neuroradiology},
  year={2015},
  volume={36 4},
  pages={638-45}
}
BACKGROUND AND PURPOSE The durations of acute ischemic stroke patients' CT or MR perfusion scans may be too short to fully sample the passage of the injected contrast agent through the brain. We tested the potential magnitude of hidden errors related to the truncation of data by short perfusion scans. MATERIALS AND METHODS Fifty-seven patients with acute ischemic stroke underwent perfusion MR imaging within 12 hours of symptom onset, using a relatively long scan duration (110 seconds… CONTINUE READING
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