Presentations Related to Acute Paracetamol Intoxication in an Urban Emergency Department in Switzerland

Aim. To investigate the characteristics of Emergency Department (ED) presentations due to acute paracetamol intoxication. Methods. Retrospective observational study of patients presenting to the ED of Bern University Hospital between May 1, 2012, and October 31, 2018, due to a paracetamol overdose (...

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Main Authors: Natalia Piotrowska, Jolanta Klukowska-Rötzler, Beat Lehmann, Gert Krummrey, Manuel Haschke, Aristomenis K. Exadaktylos, Evangelia Liakoni
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Emergency Medicine International
Online Access:http://dx.doi.org/10.1155/2019/3130843
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author Natalia Piotrowska
Jolanta Klukowska-Rötzler
Beat Lehmann
Gert Krummrey
Manuel Haschke
Aristomenis K. Exadaktylos
Evangelia Liakoni
author_facet Natalia Piotrowska
Jolanta Klukowska-Rötzler
Beat Lehmann
Gert Krummrey
Manuel Haschke
Aristomenis K. Exadaktylos
Evangelia Liakoni
author_sort Natalia Piotrowska
collection DOAJ
description Aim. To investigate the characteristics of Emergency Department (ED) presentations due to acute paracetamol intoxication. Methods. Retrospective observational study of patients presenting to the ED of Bern University Hospital between May 1, 2012, and October 31, 2018, due to a paracetamol overdose (defined as intake of >4 g/24 h). Cases were identified using the full-text search of the electronic patient database and were grouped into intentional (suicidal/parasuicidal) and unintentional intoxications (e.g., patient unaware of maximal daily dose). Results. During the study period, 181 cases were included and 143 (79%) of those were intentional. Compared to the patients in the unintentional group, patients in the intentional group were more often female (85% vs 45%, p<0.001) and younger (median age 23.0 vs 43.5 years, p<0.001), more frequently suffered from psychiatric comorbidities (93%, (including 49% with borderline personality disorder) vs 24%, p<0.001), and paracetamol was more often taken as a single dose (80% vs 13%, p<0.001). Although the median daily ingested dose was lower in the unintentional than in the intentional group (8.2 g vs 12.9 g, p<0.001), patients in the unintentional group presented later (29% vs 84% within 24 h of ingestion, p<0.001), included more cases of acute liver failure (nine (24%) vs six (4%), p<0.001), and were more often hospitalised (24% vs 52% treated as outpatients, p=0.002). There were no significant differences between the groups regarding drug-induced liver injury (seven cases (5%) in the intentional and one (3%) in the unintentional group) or fatalities (one in each group). Conclusions. The majority of presentations due to paracetamol poisoning were intentional, most commonly in female patients with borderline personality disorder. Patients with unintentional paracetamol intoxication had worse outcomes with respect to acute liver failure and hospitalisation. Future preventive measures should raise awareness of paracetamol toxicity in the general population and encourage particular attention and frequent follow-ups when prescribing paracetamol for vulnerable groups.
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spelling doaj-art-fb62630d68ca4e148e830113a0c8c9d22025-08-20T02:22:55ZengWileyEmergency Medicine International2090-28402090-28592019-01-01201910.1155/2019/31308433130843Presentations Related to Acute Paracetamol Intoxication in an Urban Emergency Department in SwitzerlandNatalia Piotrowska0Jolanta Klukowska-Rötzler1Beat Lehmann2Gert Krummrey3Manuel Haschke4Aristomenis K. Exadaktylos5Evangelia Liakoni6Department of Emergency Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, SwitzerlandDepartment of Emergency Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, SwitzerlandDepartment of Emergency Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, SwitzerlandDepartment of Emergency Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, SwitzerlandClinical Pharmacology and Toxicology, Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, SwitzerlandDepartment of Emergency Medicine, Inselspital, University Hospital Bern, University of Bern, Bern, SwitzerlandClinical Pharmacology and Toxicology, Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, SwitzerlandAim. To investigate the characteristics of Emergency Department (ED) presentations due to acute paracetamol intoxication. Methods. Retrospective observational study of patients presenting to the ED of Bern University Hospital between May 1, 2012, and October 31, 2018, due to a paracetamol overdose (defined as intake of >4 g/24 h). Cases were identified using the full-text search of the electronic patient database and were grouped into intentional (suicidal/parasuicidal) and unintentional intoxications (e.g., patient unaware of maximal daily dose). Results. During the study period, 181 cases were included and 143 (79%) of those were intentional. Compared to the patients in the unintentional group, patients in the intentional group were more often female (85% vs 45%, p<0.001) and younger (median age 23.0 vs 43.5 years, p<0.001), more frequently suffered from psychiatric comorbidities (93%, (including 49% with borderline personality disorder) vs 24%, p<0.001), and paracetamol was more often taken as a single dose (80% vs 13%, p<0.001). Although the median daily ingested dose was lower in the unintentional than in the intentional group (8.2 g vs 12.9 g, p<0.001), patients in the unintentional group presented later (29% vs 84% within 24 h of ingestion, p<0.001), included more cases of acute liver failure (nine (24%) vs six (4%), p<0.001), and were more often hospitalised (24% vs 52% treated as outpatients, p=0.002). There were no significant differences between the groups regarding drug-induced liver injury (seven cases (5%) in the intentional and one (3%) in the unintentional group) or fatalities (one in each group). Conclusions. The majority of presentations due to paracetamol poisoning were intentional, most commonly in female patients with borderline personality disorder. Patients with unintentional paracetamol intoxication had worse outcomes with respect to acute liver failure and hospitalisation. Future preventive measures should raise awareness of paracetamol toxicity in the general population and encourage particular attention and frequent follow-ups when prescribing paracetamol for vulnerable groups.http://dx.doi.org/10.1155/2019/3130843
spellingShingle Natalia Piotrowska
Jolanta Klukowska-Rötzler
Beat Lehmann
Gert Krummrey
Manuel Haschke
Aristomenis K. Exadaktylos
Evangelia Liakoni
Presentations Related to Acute Paracetamol Intoxication in an Urban Emergency Department in Switzerland
Emergency Medicine International
title Presentations Related to Acute Paracetamol Intoxication in an Urban Emergency Department in Switzerland
title_full Presentations Related to Acute Paracetamol Intoxication in an Urban Emergency Department in Switzerland
title_fullStr Presentations Related to Acute Paracetamol Intoxication in an Urban Emergency Department in Switzerland
title_full_unstemmed Presentations Related to Acute Paracetamol Intoxication in an Urban Emergency Department in Switzerland
title_short Presentations Related to Acute Paracetamol Intoxication in an Urban Emergency Department in Switzerland
title_sort presentations related to acute paracetamol intoxication in an urban emergency department in switzerland
url http://dx.doi.org/10.1155/2019/3130843
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