An observational study: The utility of perfusion index as a discharge criterion for pain assessment in the postanesthesia care unit

PloS One
Chun-Lin ChuHuei-Ming Yeh

Abstract

Acute post-operative pain can remain untreated if patients cannot express themselves. The perfusion index (PI) may decrease when pain activates sympathetic tone and may increase after analgesics are administered. We evaluated if the perfusion index is a feasible indicator for objectively assessing pain relief in the postanesthesia care unit (PACU) and calculated the changes in PI measurements at the time of discharge from the PACU relative to baseline PI measurements to examine if the PI is a useful criterion for discharging patients from the postanesthesia care unit. This retrospective observational study enrolled female patients who were admitted for gynecological or general surgery. The patients received general anesthesia and were admitted to the postanesthesia care unit. The PI, visual analogue scale (VAS) score, heart rate, and blood pressure were recorded before and after administration of intravenous morphine. Changes in these parameters before and after analgesics were administered and the difference of these parameters between age and BMI subgroups were compared. The correlation between the PI and VAS score, ΔPI and ΔVAS, and %ΔPI and %ΔVAS were also evaluated. The percentage change in ΔPI (P9-T0/T0) of the patients a...Continue Reading

References

Aug 1, 1989·British Journal of Anaesthesia·R W Mitchell, G Smith
Jun 22, 1999·Lancet·D B Carr, L C Goudas
Feb 13, 2003·Journal of Clinical Monitoring and Computing·J M GoldmanS J Barker
Sep 20, 2005·Intensive Care Medicine·Alexandre Lima, Jan Bakker
Aug 5, 2010·British Journal of Anaesthesia·C IliesB Bein
Jan 18, 2012·British Journal of Anaesthesia·F AubrunB Riou
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May 22, 2017·The Annals of Thoracic Surgery·Eric I-Hun JengCharles T Klodell
Sep 1, 2017·British Journal of Anaesthesia·A AbdelnasserA Rady

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