Clinical Research Directory

Individualized Analgesia in the Intensive Care Unit With a New Pain Assessment Bundle and Protocolized Analgesia Adjustments

Sponsor: University of Zurich

Summary

Both severe pain and opioid therapy are associated with negative effects. The experience of pain is common in the intensive care unit, but it is highly individual and difficult to assess, as patients are often unable to communicate. This especially applies to patients who are mechanically ventilated. Behavioral assessment tools can help to identify pain in this population, but do not register overdose of opioid therapy. The AlgiScan® delivers the Pupillary Pain Index (PPI), an objective assessment of nociception level, which has been shown to be useful in small studies with respect to reduction of opioid dose without leading to more pain. New institutional protocols for the assessment of pain include the behavioral pain assessment tool Zurich Observational Pain Assessment (ZOPA) and the PPI. This project aims to evaluate the impact of the new institutional protocols on opioid administration and occurrence of pain compared to a historical cohort by analyzing routinely collected data during mechanical ventilation (Part A). In a second part (Part B), promising biomarkers for detection of pain, subjective ratings by nurses and physicians and an additional behavioral pain scale will be evaluated using an observational study design. After screening and enrolment (day 1/visit 1), characteristics of pain will be assessed on 4 occasions during 2 days (day 2/visit 2, day 2/visit 3, day 3/visit 4, day 3/visit 5). On visit 2 and 4, biomarkers (alpha-amylase, cortisol) will be sampled.

Official title: Individualized Analgesia in the Intensive Care Unit With a New Pain Assessment Bundle and Protocolized Analgesia Adjustments (INVISIBLE) - an Observational Single-Centre Study in Critically Ill Patients

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