2021
DOI: 10.1186/s12871-021-01490-8
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Measurement of the nociceptive flexion reflex threshold in critically ill patients – a randomized observational pilot study

Abstract: Background Pain detection and treatment is a major challenge in the care of critically ill patients, rendered more complex by the need to take into consideration the risk of insufficient or excessive analgesia. The nociceptive flexion reflex threshold (NFRT) has become the established basis for measuring the level of analgesia in the perioperative context. However, it remains unclear whether NFRT measurement can be usefully applied to mechanically ventilated, analgosedated critically ill patien… Show more

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Cited by 5 publications
(6 citation statements)
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“…The NFR was initially used in conscious patients, where it shows strong correlation not only with pain intensity (Sandrini et al, 2005), but also with opioid dosing and reactions to nociceptive stimuli during anaesthesia (von Dincklage et al, 2012). In intensive care, the NFR correlates with BPS scores possibly adding information on excessive analgesia (Schick et al, 2021). The NFR has also been shown to exert good reliability (Jurth et al, 2014).…”
Section: Discussionmentioning
confidence: 99%
“…The NFR was initially used in conscious patients, where it shows strong correlation not only with pain intensity (Sandrini et al, 2005), but also with opioid dosing and reactions to nociceptive stimuli during anaesthesia (von Dincklage et al, 2012). In intensive care, the NFR correlates with BPS scores possibly adding information on excessive analgesia (Schick et al, 2021). The NFR has also been shown to exert good reliability (Jurth et al, 2014).…”
Section: Discussionmentioning
confidence: 99%
“…Hohe Reizschwellen sind bei hohen Analgetikadosierungen zu erwarten, niedrige Reizschwellen entsprechend bei einer geringeren Analgetikadosis. Weiterhin besteht eine Assoziation zwischen Sedierungstiefe, Schmerzniveau und NFRT [ 8 , 9 , 11 , 15 , 23 , 31 , 34 ]. Vor allem bei tiefer Analgosedierung ist nicht nur die Schmerzeinschätzung limitiert, sondern auch ein strukturiertes Delirscreening nicht immer zuverlässig möglich [ 35 ].…”
Section: Hintergrundunclassified
“…Eine tiefere Sedierung wurde bei entsprechender medizinischer Indikation, wie beispielsweise einem schweren Schädel-Hirn-Trauma oder einem ARDS, angestrebt. Wir verweisen an dieser Stelle auf die bereits veröffentlichen Daten zur Abhängigkeit der NFRT vom gewählten Analgosedierungsregime [ 23 ].…”
Section: Messung Der Nfrtunclassified
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