Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/18764
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dc.contributor.authorChiam, Elizabeth-
dc.contributor.authorWeinberg, Laurence-
dc.contributor.authorBailey, Michael-
dc.contributor.authorMcNicol, Larry-
dc.contributor.authorBellomo, Rinaldo-
dc.date2016-01-25-
dc.date.accessioned2018-08-30T06:55:16Z-
dc.date.available2018-08-30T06:55:16Z-
dc.date.issued2016-04-
dc.identifier.citationBritish journal of clinical pharmacology 2016; 81(4): 605-12-
dc.identifier.urihttp://ahro.austin.org.au/austinjspui/handle/1/18764-
dc.description.abstractThe haemodynamic effects of intravenous paracetamol have not been systematically investigated. We compared the physiological effects of intravenous mannitol-containing paracetamol, and an equivalent dosage of mannitol, and normal saline 0.9% in healthy volunteers. We performed a blinded, triple crossover, randomized trial of 24 adult healthy volunteers. Participants received i.v. paracetamol (1 g paracetamol +3.91 g mannitol 100 ml(-1) ), i.v. mannitol (3.91 g mannitol 100 ml(-1) ) and i.v. normal saline (100 ml). Composite primary end points were changes in mean arterial pressure (MAP), systolic blood pressure (SBP) and diastolic blood pressure (DBP) measured pre-infusion, during a 15 min infusion period and over a 45 min observation period. Systemic vascular resistance index (SVRI) and cardiac index were measured at the same time points. Infusion of paracetamol induced a transient yet significant decrease in blood pressures from pre-infusion values (MAP -1.85 mmHg, 95% CI -2.6, -1.1, SBP -0.54 mmHg, 95% CI -1.7, 0.6 and DBP -1.92 mmHg, 95% CI -2.6, -1.2, P < 0.0001), associated with a transient reduction in SVRI and an increase in cardiac index. Changes were observed, but to a lesser extent with normal saline (MAP -0.15 mmHg, SBP +1.44 mmHg, DBP --0.73 mmHg, P < 0.0001), but not with mannitol (MAP +1.47 mmHg, SBP +4.03 mmHg, DBP +0.48 mmHg, P < 0.0001). I.v. paracetamol caused a transient decrease in blood pressure immediately after infusion. These effects were not seen with mannitol or normal saline. The physiological mechanism was consistent with vasodilatation. This study provides plausible physiological data in a healthy volunteer setting, supporting transient changes in haemodynamic variables with i.v. paracetamol and justifies controlled studies in the peri-operative and critical care setting.-
dc.language.isoeng-
dc.subjectacetaminophen-
dc.subjectadverse event-
dc.subjectblood pressure-
dc.subjecthaemodynamic-
dc.subjectintravenous-
dc.subjectparacetamol-
dc.titleThe haemodynamic effects of intravenous paracetamol (acetaminophen) in healthy volunteers: a double-blind, randomized, triple crossover trial.-
dc.typeJournal Article-
dc.identifier.journaltitleBritish journal of clinical pharmacology-
dc.identifier.affiliationDepartment of Surgery, The University of Melbourne, Victoria, Australiaen
dc.identifier.affiliationDepartment of Surgery and Centre for Anesthesia, Perioperative and Pain Medicine, The University of Melbourne, Victoria-
dc.identifier.affiliationDepartment of Epidemiology and Preventive Medicine, Monash University, Victoria-
dc.identifier.affiliationDepartment of Surgery, The University of Melbourne, Victoria-
dc.identifier.affiliationDepartment of Anaesthesia, Austin Health, Heidelberg, Victoria, Australia-
dc.identifier.affiliationDepartment of Intensive Care, Austin Health, Heidelberg, Victoria, Australia-
dc.identifier.doi10.1111/bcp.12841-
dc.identifier.orcid0000-0001-7403-7680-
dc.identifier.orcid0000-0002-1650-8939-
dc.identifier.pubmedid26606263-
dc.type.austinJournal Article-
dc.type.austinRandomized Controlled Trial-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextNo Fulltext-
item.openairetypeJournal Article-
item.cerifentitytypePublications-
item.grantfulltextnone-
crisitem.author.deptAnaesthesia-
crisitem.author.deptIntensive Care-
crisitem.author.deptData Analytics Research and Evaluation (DARE) Centre-
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