British Journal of Anaesthesia, Vol 83, Issue 2 328-329, Copyright © 1999 by The Board of Management and Trustees of the British Journal of Anaesthesia
P. M. Tolley, A. Purcell and S. N. Bolsin
Urinary oxygen tension may be an index of renal medullary blood flow. The
effect of i.v. furosemide on urinary oxygen tension was studied in four
patients with indwelling nephrostomy tubes. An intravascular oxygen sensor
(Paratrend 7, Biomedical Sensors Ltd, UK) was inserted into the renal
pelvis via the nephrostomy and urine oxygen tension measured. In all cases,
furosemide 20 mg i.v. produced a decrease in pelvic urinary oxygen. The
possible mechanisms and implications are discussed.
SHORT COMMUNICATIONS
Effect of i.v. furosemide on pelvic urinary oxygen tension in humans
Department of Anaesthesia, The Geelong Hospital, PO Box 281, Ryrie Street, Geelong, Victoria, Australia
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