Opioid use and opioid overdose in the Netherlands – a 10 years retrospective study of naloxone administration in Dutch emergency departments

Background: The number of opioid users in the Netherlands has doubled in the last two decades. To assess if the rise in use also means a rise in severe opioid intoxications, we studied the number of opioid intoxications necessitating naloxone administration in Dutch emergency departments during the...

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Main Authors: Bram Kok, Joris Holkenborg, Alba van der Have, Brigitte van de Kerkhof – van Bon, Joris Datema, Pieter Veenstra, Djoke Douma-den Hamer, Cornelis Kramers
Format: Article
Language:English
Published: Elsevier 2025-12-01
Series:Emerging Trends in Drugs, Addictions, and Health
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Online Access:http://www.sciencedirect.com/science/article/pii/S2667118224000230
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author Bram Kok
Joris Holkenborg
Alba van der Have
Brigitte van de Kerkhof – van Bon
Joris Datema
Pieter Veenstra
Djoke Douma-den Hamer
Cornelis Kramers
author_facet Bram Kok
Joris Holkenborg
Alba van der Have
Brigitte van de Kerkhof – van Bon
Joris Datema
Pieter Veenstra
Djoke Douma-den Hamer
Cornelis Kramers
author_sort Bram Kok
collection DOAJ
description Background: The number of opioid users in the Netherlands has doubled in the last two decades. To assess if the rise in use also means a rise in severe opioid intoxications, we studied the number of opioid intoxications necessitating naloxone administration in Dutch emergency departments during the last 10 years. Methods: a multi-center retrospective cohort study that uses information of Dutch emergency department visits between 2011 and 2020 was conducted. Information on type of opioid, reason for use, and duration of use was collected. A severe opioid intoxication was defined as a patient with an opioid toxidrome in whom a rapid improvement of symptoms occurred after administration of naloxone. Results: Five emergency departments participated in this study. The number of episodes of naloxone administrations was 311 in 292 unique patients. 187 cases were considered a severe opioid intoxication. Mean annual incidence was 19.5 cases with a maximum annual incidence of 28 cases. The opioid mostly involved was oxycodone in 69 cases (37 %); followed by methadone in 41 cases (22 %) and fentanyl in 26 cases (14 %). 127 cases (68 %) were using opioids since >3 months. 176 cases (94 %) were admitted of whom 96 to the intensive care unit. Twenty three cases died within 30 days (12 %). Conclusion: There is no clear increase in naloxone administration in Dutch emergency departments to treat opioid intoxication between 2011 and 2020. The almost twofold increase in prescription opioids in the Netherlands during the study period is not accompanied by an increase in opioid intoxications in the emergency department.
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spelling doaj-art-216040e42d3242c1b0f1a3ddc9ac2b742025-01-04T04:57:20ZengElsevierEmerging Trends in Drugs, Addictions, and Health2667-11822025-12-015100164Opioid use and opioid overdose in the Netherlands – a 10 years retrospective study of naloxone administration in Dutch emergency departmentsBram Kok0Joris Holkenborg1Alba van der Have2Brigitte van de Kerkhof – van Bon3Joris Datema4Pieter Veenstra5Djoke Douma-den Hamer6Cornelis Kramers7Department of internal medicine, Radboud University Medical Center, Nijmegen, the Netherlands; Corresponding author at: Department of internal medicine, Radboud University Medical Center, Nijmegen, the Netherlands.Department of emergency medicine, Rijnstate hospital, Arnhem, the NetherlandsDepartment of emergency medicine, Canisius Wilhelmina hospital, Nijmegen, the NetherlandsDepartment of emergency medicine, Canisius Wilhelmina hospital, Nijmegen, the NetherlandsDepartment of emergency medicine, Medical Center Leeuwarden, Leeuwarden, the NetherlandsDepartment of emergency medicine, Medical Center Leeuwarden, Leeuwarden, the NetherlandsDepartment of emergency medicine, Isala hospital, Zwolle, the NetherlandsDepartment of pharmacy & Department of internal medicine, Radboud University Medical Center, Nijmegen, the NetherlandsBackground: The number of opioid users in the Netherlands has doubled in the last two decades. To assess if the rise in use also means a rise in severe opioid intoxications, we studied the number of opioid intoxications necessitating naloxone administration in Dutch emergency departments during the last 10 years. Methods: a multi-center retrospective cohort study that uses information of Dutch emergency department visits between 2011 and 2020 was conducted. Information on type of opioid, reason for use, and duration of use was collected. A severe opioid intoxication was defined as a patient with an opioid toxidrome in whom a rapid improvement of symptoms occurred after administration of naloxone. Results: Five emergency departments participated in this study. The number of episodes of naloxone administrations was 311 in 292 unique patients. 187 cases were considered a severe opioid intoxication. Mean annual incidence was 19.5 cases with a maximum annual incidence of 28 cases. The opioid mostly involved was oxycodone in 69 cases (37 %); followed by methadone in 41 cases (22 %) and fentanyl in 26 cases (14 %). 127 cases (68 %) were using opioids since >3 months. 176 cases (94 %) were admitted of whom 96 to the intensive care unit. Twenty three cases died within 30 days (12 %). Conclusion: There is no clear increase in naloxone administration in Dutch emergency departments to treat opioid intoxication between 2011 and 2020. The almost twofold increase in prescription opioids in the Netherlands during the study period is not accompanied by an increase in opioid intoxications in the emergency department.http://www.sciencedirect.com/science/article/pii/S2667118224000230Opioid intoxicationNaloxoneOpioid crisisEmergency department
spellingShingle Bram Kok
Joris Holkenborg
Alba van der Have
Brigitte van de Kerkhof – van Bon
Joris Datema
Pieter Veenstra
Djoke Douma-den Hamer
Cornelis Kramers
Opioid use and opioid overdose in the Netherlands – a 10 years retrospective study of naloxone administration in Dutch emergency departments
Emerging Trends in Drugs, Addictions, and Health
Opioid intoxication
Naloxone
Opioid crisis
Emergency department
title Opioid use and opioid overdose in the Netherlands – a 10 years retrospective study of naloxone administration in Dutch emergency departments
title_full Opioid use and opioid overdose in the Netherlands – a 10 years retrospective study of naloxone administration in Dutch emergency departments
title_fullStr Opioid use and opioid overdose in the Netherlands – a 10 years retrospective study of naloxone administration in Dutch emergency departments
title_full_unstemmed Opioid use and opioid overdose in the Netherlands – a 10 years retrospective study of naloxone administration in Dutch emergency departments
title_short Opioid use and opioid overdose in the Netherlands – a 10 years retrospective study of naloxone administration in Dutch emergency departments
title_sort opioid use and opioid overdose in the netherlands a 10 years retrospective study of naloxone administration in dutch emergency departments
topic Opioid intoxication
Naloxone
Opioid crisis
Emergency department
url http://www.sciencedirect.com/science/article/pii/S2667118224000230
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