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The perfusion fraction in volunteers and in patients with ischaemic stroke

Author:
  • Ronnie Wirestam
  • Sara Brockstedt
  • Arne Lindgren
  • Bo Geijer
  • C Thomsen
  • Stig Holtås
  • Freddy Ståhlberg
Publishing year: 1997
Language: English
Pages: 961-964
Publication/Series: Acta Radiologica
Volume: 38
Issue: 6
Document type: Journal article
Publisher: John Wiley & Sons

Abstract english

The fractional volume of capillary blood, i.e. the perfusion fraction f, was measured with the aid of an echo-planar imaging protocol originally designed for the measurement of water diffusion. In healthy volunteers, reasonable f values were obtained. In patients with cerebral ischaemic stroke, a marked decrease in the f value was seen in the infarcted region as compared with corresponding values in the contralateral hemisphere. We suggest that perfusion-fraction measurements may add to the diagnostic value of water-mobility examinations in patients with ischaemic disease.

Keywords

  • Radiology, Nuclear Medicine and Medical Imaging

Other

Published
  • ISSN: 1600-0455
Freddy Ståhlberg
E-mail: freddy.stahlberg [at] med.lu.se

Professor

Medical Radiation Physics, Lund

+46 46 17 31 19

+46 70 688 31 19

32

Professor

Diagnostic Radiology, (Lund)

+46 46 17 70 30

32