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Pulse oximetry in the recovery room

Smith, D. C. ; Canning, J. J. ; Crul, J. F.

Anaesthesia, April 1989, Vol.44(4), pp.345-348 [Peer Reviewed Journal]

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  • Title:
    Pulse oximetry in the recovery room
  • Author: Smith, D. C. ; Canning, J. J. ; Crul, J. F.
  • Subjects: Pulse Oximeter ; ; Postoperative
  • Is Part Of: Anaesthesia, April 1989, Vol.44(4), pp.345-348
  • Description: Haemoglobin oxygen saturation (So) was measured percutaneously with a pulse oximeter, in a group of 150 healthy ambulant volunteers to determine the range of normal values. The measuring site was not arterialised in advance. So was below 94% in 13.3% of cases, while in no case was it below 90%. So was then measured in 350 patients in the recovery room after a variety of surgical and anaesthetic procedures. Only 1.1% of patients who received additional oxygen following general anaesthesia exhibited an So below 90%, compared to 16.7% of similar cases who did not receive additional oxygen. Administration of additional oxygen raised the So, above 90% in all the latter cases. In only 55.3% of those who did not receive additional oxygen was the So above 94%, compared to 86.7% of normal volunteers and 73.9% of patients who received additional oxygen. This study reiterates the need to administer supplemental oxygen to all patients in the recovery room, unless facilities are available to measure So. A lower alarm limit of 90% is appropriate for the peri‐operative period when using the Criticare Systems 501 oximeter.
  • Identifier: ISSN: 0003-2409 ; E-ISSN: 1365-2044 ; DOI: 10.1111/j.1365-2044.1989.tb11293.x

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