Analgesic Effect of Tramadol Is not Altered by Postoperative Systemic Inflammation after Major Abdominal Surgery

Autor: Nenad Nešković, Saška Marczi, Dario Mandić, Boris Mraovic, Sonja Škiljić, Gordana Kristek, Hrvoje Vinković, Slavica Kvolik
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Acta Clinica Croatica, Vol 60., Iss 2., Pp 268-275 (2021)
Druh dokumentu: article
ISSN: 0353-9466
1333-9451
DOI: 10.20471/acc.2021.60.02.13
Popis: Tramadol is a commonly used analgesic in intensive care units (ICUs) for acute postoperative pain. Conversion of tramadol into active metabolites may be impaired in inflammatory states. Catechol-O-methyltransferase may influence pain. The aim of the study was to examine differences in the analgesic effect of tramadol between ICU patients with and without signs of systemic inflammation. Forty-three patients were admitted to ICU after a major abdominal surgery. The patients received a dose of 100 mg of tramadol intravenously every 6 hours during the first 24 hours after surgical procedure. Pain scores were measured by the Numeric Rating Scale before and 30 minutes after tramadol administration in awake patients. Systemic inflammation was considered when at least two of the following postoperative parameters were present in the first 24 hours of ICU admission: fever or hypothermia, tachycardia, pCO2 12000/mm3 or 50 mg/L or/and procalcitonin (PCT) >0.5 mg/L. Catechol-O-methyltransferase was analyzed postoperatively. Fifteen (34.8%) patients met the criteria for systemic inflammation. Tramadol was proven to be an effective analgesic for the treatment of postoperative pain regardless of the presence of systemic inflammation (p
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