Frequency of health‐care utilization by adults who use illicit drugs: a systematic review and meta‐analysis

Aims To summarize evidence on the frequency and predictors of health‐care utilization among people who use illicit drugs. Design Systematic search of MEDLINE, EMBASE and PsychINFO for observational studies reporting health‐care utilization published between 1 January 2000 and 3 December 2018. We con...

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Veröffentlicht in:Addiction (Abingdon, England) England), 2020-06, Vol.115 (6), p.1011-1023
Hauptverfasser: Lewer, Dan, Freer, Joseph, King, Emma, Larney, Sarah, Degenhardt, Louisa, Tweed, Emily J., Hope, Vivian D., Harris, Magdalena, Millar, Tim, Hayward, Andrew, Ciccarone, Dan, Morley, Katherine I.
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container_end_page 1023
container_issue 6
container_start_page 1011
container_title Addiction (Abingdon, England)
container_volume 115
creator Lewer, Dan
Freer, Joseph
King, Emma
Larney, Sarah
Degenhardt, Louisa
Tweed, Emily J.
Hope, Vivian D.
Harris, Magdalena
Millar, Tim
Hayward, Andrew
Ciccarone, Dan
Morley, Katherine I.
description Aims To summarize evidence on the frequency and predictors of health‐care utilization among people who use illicit drugs. Design Systematic search of MEDLINE, EMBASE and PsychINFO for observational studies reporting health‐care utilization published between 1 January 2000 and 3 December 2018. We conducted narrative synthesis and meta‐analysis following a registered protocol (identifier: CRD42017076525). Setting and participants People who use heroin, powder cocaine, crack cocaine, methamphetamine, amphetamine, ecstasy/3,4‐methyl​enedioxy​methamphetamine (MDMA), cannabis, hallucinogens or novel psychoactive substances; have a diagnosis of ‘substance use disorder’; or use drug treatment services. Measurements Primary outcomes were the cumulative incidence (risk) and rate of care episodes in three settings: primary care, hospital admissions (in‐patient) and emergency department (ED). Findings Ninety‐two studies were included, 84% from North America and Australia. Most studies focused on people using heroin, methamphetamine or crack cocaine, or who had a diagnosis of drug dependence. We were able to conduct a meta‐analysis of rates across 25 studies reporting ED episodes and 25 reporting hospital admissions, finding pooled rates of 151 [95% confidence interval (CI) = 114–201] and 41 (95% CI = 30–57) per 100 person‐years, respectively; on average 4.8 and 7.1 times more often than the general population. Heterogeneity was very high and was not explained by drugs used, country of study, recruitment setting or demographic characteristics. Predictors of health‐care utilization were consistent across studies and included unstable housing, drug injection and mental health problems. Opioid substitution therapy was consistently associated with reduced ED presentation and hospital admission. There was minimal research on health‐care utilization by people using ecstasy/MDMA, powder cocaine, hallucinogens or novel psychoactive substances. Conclusions People who use illicit drugs are admitted to emergency department or hospital several times more often than the general population.
doi_str_mv 10.1111/add.14892
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Design Systematic search of MEDLINE, EMBASE and PsychINFO for observational studies reporting health‐care utilization published between 1 January 2000 and 3 December 2018. We conducted narrative synthesis and meta‐analysis following a registered protocol (identifier: CRD42017076525). Setting and participants People who use heroin, powder cocaine, crack cocaine, methamphetamine, amphetamine, ecstasy/3,4‐methyl​enedioxy​methamphetamine (MDMA), cannabis, hallucinogens or novel psychoactive substances; have a diagnosis of ‘substance use disorder’; or use drug treatment services. Measurements Primary outcomes were the cumulative incidence (risk) and rate of care episodes in three settings: primary care, hospital admissions (in‐patient) and emergency department (ED). Findings Ninety‐two studies were included, 84% from North America and Australia. Most studies focused on people using heroin, methamphetamine or crack cocaine, or who had a diagnosis of drug dependence. We were able to conduct a meta‐analysis of rates across 25 studies reporting ED episodes and 25 reporting hospital admissions, finding pooled rates of 151 [95% confidence interval (CI) = 114–201] and 41 (95% CI = 30–57) per 100 person‐years, respectively; on average 4.8 and 7.1 times more often than the general population. Heterogeneity was very high and was not explained by drugs used, country of study, recruitment setting or demographic characteristics. Predictors of health‐care utilization were consistent across studies and included unstable housing, drug injection and mental health problems. Opioid substitution therapy was consistently associated with reduced ED presentation and hospital admission. There was minimal research on health‐care utilization by people using ecstasy/MDMA, powder cocaine, hallucinogens or novel psychoactive substances. Conclusions People who use illicit drugs are admitted to emergency department or hospital several times more often than the general population.</description><identifier>ISSN: 0965-2140</identifier><identifier>EISSN: 1360-0443</identifier><identifier>DOI: 10.1111/add.14892</identifier><identifier>PMID: 31705770</identifier><language>eng</language><publisher>England: Blackwell Publishing Ltd</publisher><subject>Adult ; Amphetamines ; Australia - epidemiology ; Cannabis ; Clinical outcomes ; Cocaine ; Crack Cocaine ; Demography ; Diagnosis ; Drug abuse ; Drug dependence ; Drug development ; Drug Users - statistics &amp; numerical data ; Drugs ; Ecstasy ; Ecstasy drug ; Emergency medical care ; Emergency Service, Hospital - statistics &amp; numerical data ; Emergency services ; Female ; Hallucinogens ; Health care ; Health problems ; Health services ; Health services utilization ; Heroin ; Hospitalization ; Hospitalization - statistics &amp; numerical data ; Hospitals ; Housing ; Humans ; Illicit Drugs ; Male ; Marijuana ; MDMA ; Medical treatment ; Mental disorders ; Mental health ; Meta-analysis ; Methamphetamine ; North America ; Observational studies ; Opiates ; Opioids ; Patient Acceptance of Health Care - statistics &amp; numerical data ; Patients ; Primary Health Care ; Recruitment ; Review ; Reviews ; Stimulants ; Substance abuse ; Substance abuse treatment ; Substance-Related Disorders - epidemiology ; Substance‐Related Disorders ; Systematic review</subject><ispartof>Addiction (Abingdon, England), 2020-06, Vol.115 (6), p.1011-1023</ispartof><rights>2019 The Authors. published by John Wiley &amp; Sons Ltd on behalf of Society for the Study of Addiction</rights><rights>2019 The Authors. Addiction published by John Wiley &amp; Sons Ltd on behalf of Society for the Study of Addiction.</rights><rights>2019. This article is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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Design Systematic search of MEDLINE, EMBASE and PsychINFO for observational studies reporting health‐care utilization published between 1 January 2000 and 3 December 2018. We conducted narrative synthesis and meta‐analysis following a registered protocol (identifier: CRD42017076525). Setting and participants People who use heroin, powder cocaine, crack cocaine, methamphetamine, amphetamine, ecstasy/3,4‐methyl​enedioxy​methamphetamine (MDMA), cannabis, hallucinogens or novel psychoactive substances; have a diagnosis of ‘substance use disorder’; or use drug treatment services. Measurements Primary outcomes were the cumulative incidence (risk) and rate of care episodes in three settings: primary care, hospital admissions (in‐patient) and emergency department (ED). Findings Ninety‐two studies were included, 84% from North America and Australia. Most studies focused on people using heroin, methamphetamine or crack cocaine, or who had a diagnosis of drug dependence. We were able to conduct a meta‐analysis of rates across 25 studies reporting ED episodes and 25 reporting hospital admissions, finding pooled rates of 151 [95% confidence interval (CI) = 114–201] and 41 (95% CI = 30–57) per 100 person‐years, respectively; on average 4.8 and 7.1 times more often than the general population. Heterogeneity was very high and was not explained by drugs used, country of study, recruitment setting or demographic characteristics. Predictors of health‐care utilization were consistent across studies and included unstable housing, drug injection and mental health problems. Opioid substitution therapy was consistently associated with reduced ED presentation and hospital admission. There was minimal research on health‐care utilization by people using ecstasy/MDMA, powder cocaine, hallucinogens or novel psychoactive substances. 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Freer, Joseph ; King, Emma ; Larney, Sarah ; Degenhardt, Louisa ; Tweed, Emily J. ; Hope, Vivian D. ; Harris, Magdalena ; Millar, Tim ; Hayward, Andrew ; Ciccarone, Dan ; Morley, Katherine I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4432-e87cfbe62916ab3fab0a6defec77da38e47e50b8c302a2ee81c2a4d777bed0da3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adult</topic><topic>Amphetamines</topic><topic>Australia - epidemiology</topic><topic>Cannabis</topic><topic>Clinical outcomes</topic><topic>Cocaine</topic><topic>Crack Cocaine</topic><topic>Demography</topic><topic>Diagnosis</topic><topic>Drug abuse</topic><topic>Drug dependence</topic><topic>Drug development</topic><topic>Drug Users - statistics &amp; numerical data</topic><topic>Drugs</topic><topic>Ecstasy</topic><topic>Ecstasy drug</topic><topic>Emergency medical care</topic><topic>Emergency Service, Hospital - statistics &amp; 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Design Systematic search of MEDLINE, EMBASE and PsychINFO for observational studies reporting health‐care utilization published between 1 January 2000 and 3 December 2018. We conducted narrative synthesis and meta‐analysis following a registered protocol (identifier: CRD42017076525). Setting and participants People who use heroin, powder cocaine, crack cocaine, methamphetamine, amphetamine, ecstasy/3,4‐methyl​enedioxy​methamphetamine (MDMA), cannabis, hallucinogens or novel psychoactive substances; have a diagnosis of ‘substance use disorder’; or use drug treatment services. Measurements Primary outcomes were the cumulative incidence (risk) and rate of care episodes in three settings: primary care, hospital admissions (in‐patient) and emergency department (ED). Findings Ninety‐two studies were included, 84% from North America and Australia. Most studies focused on people using heroin, methamphetamine or crack cocaine, or who had a diagnosis of drug dependence. We were able to conduct a meta‐analysis of rates across 25 studies reporting ED episodes and 25 reporting hospital admissions, finding pooled rates of 151 [95% confidence interval (CI) = 114–201] and 41 (95% CI = 30–57) per 100 person‐years, respectively; on average 4.8 and 7.1 times more often than the general population. Heterogeneity was very high and was not explained by drugs used, country of study, recruitment setting or demographic characteristics. Predictors of health‐care utilization were consistent across studies and included unstable housing, drug injection and mental health problems. Opioid substitution therapy was consistently associated with reduced ED presentation and hospital admission. There was minimal research on health‐care utilization by people using ecstasy/MDMA, powder cocaine, hallucinogens or novel psychoactive substances. 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source MEDLINE; Wiley Journals
subjects Adult
Amphetamines
Australia - epidemiology
Cannabis
Clinical outcomes
Cocaine
Crack Cocaine
Demography
Diagnosis
Drug abuse
Drug dependence
Drug development
Drug Users - statistics & numerical data
Drugs
Ecstasy
Ecstasy drug
Emergency medical care
Emergency Service, Hospital - statistics & numerical data
Emergency services
Female
Hallucinogens
Health care
Health problems
Health services
Health services utilization
Heroin
Hospitalization
Hospitalization - statistics & numerical data
Hospitals
Housing
Humans
Illicit Drugs
Male
Marijuana
MDMA
Medical treatment
Mental disorders
Mental health
Meta-analysis
Methamphetamine
North America
Observational studies
Opiates
Opioids
Patient Acceptance of Health Care - statistics & numerical data
Patients
Primary Health Care
Recruitment
Review
Reviews
Stimulants
Substance abuse
Substance abuse treatment
Substance-Related Disorders - epidemiology
Substance‐Related Disorders
Systematic review
title Frequency of health‐care utilization by adults who use illicit drugs: a systematic review and meta‐analysis
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