Paracetamol for intravenous use in medium- and intensive care patients: Pharmacokinetics and tolerance

Monique M. De Maat, Theodorus A. Tijssen, Roger J. Brüggemann, Huibert H. Ponssen

Onderzoeksoutput: Bijdrage aan tijdschriftArtikelpeer review

56 Citaten (Scopus)

Samenvatting

Purpose We studied the pharmacokinetics of paracetamol and determine the incidence of hypotension after intravenous administration in medium- (MCU) and intensive care (ICU) patients. Methods All patients on the ICU/MCU starting with paracetamol i.v. were included, yielding 38 patients. Blood samples were collected at predetermined time points to determine paracetamol serum concentration. The number of patients with a clinically relevant reduction in systolic blood pressure (SBP) and the number of patients that needed intervention to regain an acceptable blood pressure level were assessed. Results Overall, pharmacokinetic data were roughly comparable with earlier publications, but differences were noted in the subgroup ICU patients. Also, there was a trend to a larger peak serum concentration (p=0.052) and a significantly smaller volume of distribution (p=0.033) in MCU patients compared with ICU patients. Twenty-two percent (22%) and 33% of patients had a clinically relevant reduction in systolic blood pressure (SBP) 15 and 30 min after start of paracetamol infusion, respectively. In six patients (16%), an intervention was needed to correct blood pressure. Overall, SBP was significantly reduced at T=15 min and 30 min postinfusion (p<0.003 at both time points) when compared with SBP at the start of paracetamol infusion. Conclusions Further research on differences in paracetamol pharmacokinetics between ICU and MCU patients is warranted, as these differences might result in differences in efficacy. Furthermore, administration of paracetamol i.v. as potential cause of hypotension in the critically ill patient must not be overlooked.

Originele taal-2Engels
Pagina's (van-tot)713-719
Aantal pagina's7
TijdschriftEuropean Journal of Clinical Pharmacology
Volume66
Nummer van het tijdschrift7
DOI's
StatusGepubliceerd - jul. 2010
Extern gepubliceerdJa

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