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Propacetamol poses a potential harm of adverse hypotension in male and older patients

Lee, HY | Ban, GY  | Jeong, CG  | Lee, JH  | Park, SH | Kim, SH | Lee, YH | Ye, YM
Pharmacoepidemiology and drug safety, 26(3). : 256-264, 2017
Journal Title
Pharmacoepidemiology and drug safety
PURPOSE: Researchers recently suggested intravenous paracetamol as a potential cause of hypotension. We aimed to investigate risk factors of paracetamol- and propacetamol-associated adverse drug reactions (ADRs) in Korean individuals.
METHODS: All adverse hypotension cases, regardless of suspected drug, and all ADRs associated with paracetamol and propacetamol use were collected from the Korea Adverse Event Reporting System database between 2011 and 2014. The seriousness, causality, and type of ADR were classified.
RESULTS: Of 4,771 cases of adverse hypotension, 403 (8.4%) were reported to be related to propacetamol. This was comparable to the rate of hypotension associated with fentanyl (454, 9.5%), the major suspected drug of hypotension. Paracetamol-associated hypotension accounted for merely 1.2% (55 cases) of all hypotension cases. Among ADRs associated with propacetamol use, hypotension was the most common (37.1%), whereas cutaneous reactions were the primary paracetamol-associated ADR. Propacetamol/paracetamol-associated hypotension was frequently recorded in older patients (>/=54 years) (53.9 +/- 25.8 vs. 42.8 +/- 21.7, P < 0.001) and taking more concomitant drugs (1.9 +/- 5.0 vs. 1.1 +/- 3.2, P < 0.001). Also, compared with other ADRs associated by propacetamol/paracetamol, hypotension was more commonly assessed as a serious outcome (27.3% vs. 11.4%, P < 0.001). Regarding concomitant medications, the risk for hypotension associated with propacetamol was significantly increased in patients simultaneously taking antibacterials (J01), cold preparations (R05), drugs for acid related disorders (A02), blood substitutes (B05), or antithrombotics (B01).
CONCLUSIONS: Propacetamol was found to be a major suspected drug of pharmacologically associated hypotension in Korea. Older and male patients taking medications in combination with propacetamol/paracetamol should undergo monitoring of their blood pressure.

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Journal Papers > School of Medicine / Graduate School of Medicine > Allergy
Ajou Authors
반, 가영  |  예, 영민  |  이, 지호  |  정, 창규
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