Perfusion Index in the Follow-up of Postoperative Pain

Background: The effect of the perfusion index (PI) as an indicator of postoperative pain was investigated. To this end, the presence of the perfusion index in predicting the need for analgesia and its effect in hypertensive patients were investigated. Researher aimed to investigate the change in perfusion index in the prediction of postoperative pain after laparotomic abdominal surgery. As a secondary aim, the results of the relative change in perfusion index in the presence of hypertensive disease were analysed. Methods: A total of 100 patients with ASA 1-3 with or without hypertension who were scheduled to undergo open abdominal surgery between 1 April 2023 and 30 November 2023 were included in the study. The relative variability of visual analogue scale (VAS) and PI in patients receiving postoperative analgesia was examined. The degree of prediction of postoperative pain by these variables after rescue analgesia was investigated. Hypertensive patients were analysed along with other patient groups.