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2.
Clin Neuropsychol ; : 1-37, 2024 Apr 25.
Article in English | MEDLINE | ID: mdl-38664066

ABSTRACT

Objective: Situated in Children's National Hospital (CNH)'s Neuropsychology Division, the Gender and Autism Program (GAP) is the first clinical service dedicated to the needs of autistic gender-diverse/transgender youth. This study describes GAP clinical assessment profiles and presents a multi-perspective programmatic review of GAP evaluation services. Method: Seventy-five consecutive gender- and neuropsychologically-informed GAP evaluations were analyzed, including demographics, gender and autism characterization, and primary domains evaluated. Three program-based Delphi studies were conducted and identify: clinician priorities and challenges in providing care, program administrator lessons learned and ongoing barriers, and considerations adapting this model for a rural academic medical center. Results: Nearly two-thirds of referrals were transfeminine. Most youth had existing autism diagnoses; of those undiagnosed, three-quarters were found to be autistic. Five goals of evaluations were identified: Mental health was always assessed, and most evaluations also assessed gender-related needs in the context of autism neurodiversity. Neuropsychological characterization of strengths and challenges informed personalized accommodations to support youth gender-related self-advocacy. Clinicians emphasized frequent youth safety concerns. Administrators emphasized the need for specialized training for working with families. Components for adaptation of the GAP in a rural academic medical center were identified. Conclusions: Since its founding, the GAP has proven a sustainable neuropsychology-based service with consistent referral flow and insurance authorizations. Capturing staff perspectives through rigorous Delphi methods, and addressing the GAP's feasibility and replicability, this study provides a road map for replicating this service. We also highlight GAP training of specialist clinicians, fundamental to addressing the desperate shortage of providers in this field.

4.
JAMA ; 329(12): 1000-1011, 2023 03 28.
Article in English | MEDLINE | ID: mdl-36976279

ABSTRACT

Importance: Approximately 1 in 6 youth in the US have a mental health condition, and suicide is a leading cause of death among this population. Recent national statistics describing acute care hospitalizations for mental health conditions are lacking. Objectives: To describe national trends in pediatric mental health hospitalizations between 2009 and 2019, to compare utilization among mental health and non-mental health hospitalizations, and to characterize variation in utilization across hospitals. Design, Setting, and Participants: Retrospective analysis of the 2009, 2012, 2016, and 2019 Kids' Inpatient Database, a nationally representative database of US acute care hospital discharges. Analysis included 4 767 840 weighted hospitalizations among children 3 to 17 years of age. Exposures: Hospitalizations with primary mental health diagnoses were identified using the Child and Adolescent Mental Health Disorders Classification System, which classified mental health diagnoses into 30 mutually exclusive disorder types. Main Outcomes and Measures: Measures included number and proportion of hospitalizations with a primary mental health diagnosis and with attempted suicide, suicidal ideation, or self-injury; number and proportion of hospital days and interfacility transfers attributable to mental health hospitalizations; mean lengths of stay (days) and transfer rates among mental health and non-mental health hospitalizations; and variation in these measures across hospitals. Results: Of 201 932 pediatric mental health hospitalizations in 2019, 123 342 (61.1% [95% CI, 60.3%-61.9%]) were in females, 100 038 (49.5% [95% CI, 48.3%-50.7%]) were in adolescents aged 15 to 17 years, and 103 456 (51.3% [95% CI, 48.6%-53.9%]) were covered by Medicaid. Between 2009 and 2019, the number of pediatric mental health hospitalizations increased by 25.8%, and these hospitalizations accounted for a significantly higher proportion of pediatric hospitalizations (11.5% [95% CI, 10.2%-12.8%] vs 19.8% [95% CI, 17.7%-21.9%]), hospital days (22.2% [95% CI, 19.1%-25.3%] vs 28.7% [95% CI, 24.4%-33.0%]), and interfacility transfers (36.9% [95% CI, 33.2%-40.5%] vs 49.3% [95% CI, 45.9%-52.7%]). The percentage of mental health hospitalizations with attempted suicide, suicidal ideation, or self-injury diagnoses increased significantly from 30.7% (95% CI, 28.6%-32.8%) in 2009 to 64.2% (95% CI, 62.3%-66.2%) in 2019. Length of stay and interfacility transfer rates varied significantly across hospitals. Across all years, mental health hospitalizations had significantly longer mean lengths of stay and higher transfer rates compared with non-mental health hospitalizations. Conclusions and Relevance: Between 2009 and 2019, the number and proportion of pediatric acute care hospitalizations due to mental health diagnoses increased significantly. The majority of mental health hospitalizations in 2019 included a diagnosis of attempted suicide, suicidal ideation, or self-injury, underscoring the increasing importance of this concern.


Subject(s)
Hospitalization , Hospitals , Mental Disorders , Adolescent , Child , Child, Preschool , Female , Humans , Hospitalization/statistics & numerical data , Hospitalization/trends , Hospitals/statistics & numerical data , Hospitals/trends , Hospitals, Pediatric/statistics & numerical data , Hospitals, Pediatric/trends , Mental Disorders/epidemiology , Mental Disorders/therapy , Mental Health/statistics & numerical data , Mental Health/trends , Retrospective Studies , United States/epidemiology , Suicide/statistics & numerical data , Suicide/trends , Male , Medicaid/statistics & numerical data , Medicaid/trends
5.
Ann Fam Med ; 20(1): 42-50, 2022.
Article in English | MEDLINE | ID: mdl-35074767

ABSTRACT

PURPOSE: In the United States, primary care practices rely on scarce resources to deliver evidence-based care for children with behavioral health disorders such as depression, anxiety, other mental illness, or substance use disorders. We estimated the proportion of practices that have difficulty accessing these resources and whether practices owned by a health system or participating in Medicaid accountable care organizations (ACOs) report less difficulty. METHODS: This national cross-sectional study examined how difficult it is for practices to obtain pediatric (1) medication advice, (2) evidence-based psychotherapy, and (3) family-based therapy. We used the National Survey of Healthcare Organizations and Systems 2017-2018 (46.9% response rate), which sampled multiphysician primary and multispecialty care practices including 1,410 practices that care for children. We characterized practices' experience as "difficult" relative to "not at all difficult" using a 4-point ordinal scale. We used mixed-effects generalized linear models to estimate differences comparing system-owned vs independent practices and Medicaid ACO participants vs nonparticipants, adjusting for practice attributes. RESULTS: More than 85% of practices found it difficult to obtain help with evidence-based elements of pediatric behavioral health care. Adjusting for practice attributes, the percent experiencing difficulty was similar between system-owned and independent practices but was less for Medicaid ACO participants for medication advice (81% vs 89%; P = .021) and evidence-based psychotherapy (81% vs 90%; P = .006); differences were not significant for family-based treatment (85% vs 91%; P = .107). CONCLUSIONS: Most multiphysician practices struggle to obtain advice and services for child behavioral health needs, which are increasing nationally. Future studies should investigate the source of observed associations.


Subject(s)
Accountable Care Organizations , Medicare , Child , Cross-Sectional Studies , Health Services , Humans , Medicaid , United States
6.
Community Ment Health J ; 58(3): 512-516, 2022 04.
Article in English | MEDLINE | ID: mdl-34057662

ABSTRACT

OBJECTIVE: We examined caregiver's knowledge, attitudes, and concerns about their child's psychotropic medication regimen and the potential side effects, describe how they seek information regarding treatment, and ascertain their perspectives toward deprescribing. METHODS: We surveyed 48 caregivers of children 6-17 years old treated with two or more psychotropic medications or an antipsychotic medication, analyzing outcomes using descriptive statistics. RESULTS: Almost all (N = 44, 92%) participants reported feeling very knowledgeable about why medications were prescribed, but only one-third (N = 16, 33%) reported feeling very knowledgeable about potential problems with long-term use or polypharmacy. Half of respondents (N = 24, 50%) reported asking their provider about reducing/stopping medications due to concerns about harmful effects, and nearly half (N = 20, 42%) reported stopping medications earlier than recommended. CONCLUSIONS: Interventions to engage caregivers in shared decision-making about complex medication regimens and to support prescribers to safely deprescribe psychotropic medications are needed to address caregivers' concerns regarding psychotropic medication use.


Subject(s)
Antipsychotic Agents , Deprescriptions , Adolescent , Antipsychotic Agents/adverse effects , Caregivers , Child , Humans , Polypharmacy , Psychotropic Drugs/adverse effects , Surveys and Questionnaires
7.
Psychiatr Serv ; 72(9): 988-997, 2021 09 01.
Article in English | MEDLINE | ID: mdl-33882691

ABSTRACT

OBJECTIVE: The authors examined the prevalence and correlates of psychotropic medication prescribing among outpatient youths with intellectual and developmental disabilities. METHODS: The authors reviewed cross-sectional data on medications for 1,333 youths (ages 5-21 years) with intellectual and developmental disabilities who were referred to a community-based mental health crisis service. Descriptive statistics and regression analysis were used to describe the study group and to identify correlates of psychotropic polypharmacy, antipsychotic use, and anticonvulsant use in the absence of a seizure disorder. RESULTS: Most youths were taking psychotropic medications (N=1,139, 86%), often three or more medications (N=733, 55%) from two or more drug classes (N=919, 69%). Most youths received antipsychotics (N=863, 65%), and a third (N=432, 32%) were taking anticonvulsants in the absence of a seizure disorder. Greater severity (number of psychiatric diagnoses and recent psychiatric hospitalization), older age, and living in a group home were significantly correlated with these practices. CONCLUSIONS: Polypharmacy, antipsychotic use, and anticonvulsant use in the absence of seizure disorders were common among youths with intellectual and developmental disabilities referred to the crisis service. Older age, number of psychiatric diagnoses, living in a group home, and psychiatric hospitalization correlate with these prescribing practices. These elevated prescribing rates in a very vulnerable population warrant further study.


Subject(s)
Developmental Disabilities , Intellectual Disability , Adolescent , Adult , Aged , Child , Child, Preschool , Cross-Sectional Studies , Developmental Disabilities/drug therapy , Developmental Disabilities/epidemiology , Humans , Intellectual Disability/drug therapy , Intellectual Disability/epidemiology , Polypharmacy , Psychotropic Drugs/therapeutic use , Young Adult
8.
Psychiatr Serv ; 72(3): 273-280, 2021 03 01.
Article in English | MEDLINE | ID: mdl-33334153

ABSTRACT

OBJECTIVE: Individuals with intellectual and developmental disabilities disproportionately use emergency psychiatric services compared with their neurotypical peers, suggesting that such individuals and their supports are at increased risk for crisis events. This prospective study examined the timing, outcomes, and predictors of mental health crises for this population. METHODS: The data came from Systemic, Therapeutic, Assessment, Resources, and Treatment (START), a national model that provides mental health crisis services for those with intellectual and developmental disabilities in the United States. The study included 1,188 individuals from four U.S. regions enrolled between 2018 and 2019. The outcome was urgent crisis contacts with the START program. Baseline and clinical predictors were examined with multivariate regression analyses. RESULTS: More than a quarter had at least one crisis contact, and 9% had three or more. Contacts increased within the initial 3 months of START enrollment, followed by a steep drop-off thereafter; few contacts happened after 1 year. Almost 45% of the contacts occurred after hours, and 30% involved police. Clinical factors predicted crisis contact most robustly, followed by lack of occupational supports. After START crisis intervention, 73% of individuals remained in their primary setting. CONCLUSIONS: For individuals with intellectual and developmental disabilities and mental health needs, crisis stabilization resources are needed, including after hours. Results clearly identify times and risk factors for mental health crisis contacts, including frequent involvement with emergency responders. Importantly, gainful employment conveyed benefits for community stabilization. Findings may be leveraged to develop effective mental health crisis intervention services and supports for this underserved group.


Subject(s)
Emergency Services, Psychiatric , Intellectual Disability , Child , Crisis Intervention , Developmental Disabilities/epidemiology , Developmental Disabilities/therapy , Humans , Intellectual Disability/epidemiology , Intellectual Disability/therapy , Mental Health , Prospective Studies , United States
9.
Pediatrics ; 146(4)2020 10.
Article in English | MEDLINE | ID: mdl-32963020

ABSTRACT

CONTEXT: The growing prevalence of pediatric mental and behavioral health disorders, coupled with scarce psychiatric resources, has resulted in a substantial increase in the number of youth waiting in emergency departments (EDs) and medical units for inpatient psychiatric care. OBJECTIVE: To characterize the prevalence of pediatric mental health boarding and identify associated patient and hospital factors. DATA SOURCES: Medline and PsycINFO. STUDY SELECTION: All studies describing frequencies, durations, processes, outcomes, and/or risk factors associated with pediatric mental health boarding in youth ≤21 years of age. DATA EXTRACTION: Publications meeting inclusion criteria were charted by 2 authors and critically appraised for quality. RESULTS: Eleven studies met inclusion criteria; 10 were retrospective cohort studies and 9 were conducted at single centers. All of the single-center studies were conducted at children's hospitals or pediatric EDs in urban or suburban settings. Study sample sizes ranged from 27 to 44 328. Among youth requiring inpatient psychiatric care, 23% to 58% experienced boarding and 26% to 49% boarded on inpatient medical units. Average boarding durations ranged from 5 to 41 hours in EDs and 2 to 3 days in inpatient units. Risk factors included younger age, suicidal or homicidal ideation, and presentation to a hospital during nonsummer months. Care processes and outcomes were infrequently described. When reported, provision of psychosocial services varied widely. LIMITATIONS: Boarding definitions were heterogeneous, study sample sizes were small, and rural regions and general hospitals were underrepresented. CONCLUSIONS: Pediatric mental health boarding is prevalent and understudied. Additional research representing diverse hospital types and geographic regions is needed to inform clinical interventions and health care policy.


Subject(s)
Hospitalization , Mental Disorders/therapy , Mental Health Services , Adolescent , Age Factors , Emergency Service, Hospital , Humans , Mental Disorders/epidemiology , Risk Factors , Suicidal Ideation , Time Factors , Young Adult
10.
BMJ Qual Saf ; 29(8): 655-663, 2020 08.
Article in English | MEDLINE | ID: mdl-31836627

ABSTRACT

BACKGROUND AND OBJECTIVE: Prescriptions for psychotropic medications to children have risen dramatically in recent years despite few regulatory approvals and growing concerns about side effects. Government policy and numerous programmes are attempting to curb this problem. However, the perspectives of practising clinicians have not been explored. To characterise the perspectives and experiences of paediatric primary care clinicians and mental health specialists regarding overprescribing and deprescribing psychotropic medications in children. METHODS: We conducted 24 semistructured interviews with clinicians representing diverse geographic regions and practice settings in the USA. Interview questions focused on clinician perspectives surrounding overprescribing and experiences with deprescribing. We transcribed audio files verbatim and verified them for accuracy. We analysed transcripts using a grounded theory approach, identifying emergent themes and developing a conceptual model using axial coding. RESULTS: Analysis yielded themes within four domains: social and clinical contextual factors contributing to overprescribing, opportunities for deprescribing, and facilitators and barriers to deprescribing in paediatric outpatient settings. Most participants recognised the problem of overprescribing, and they described complex clinical and social contextual factors, as well as internal and external pressures, that contribute to overprescribing. Opportunities for deprescribing included identification of high-risk medications, routine reassessment of medication needs and recognition of the broader social needs of vulnerable children. Facilitators and barriers to deprescribing were both internal (eg, providing psychoeducation to families) and external (eg, parent and child preferences) to clinicians. CONCLUSION: Our findings highlight a discrepancy between clinicians' concerns about overprescribing and a lack of resources to support deprescribing in outpatient paediatric settings. To successfully initiate deprescribing, clinicians will need practical tools and organisational supports, as well as social resources for vulnerable families.


Subject(s)
Deprescriptions , Child , Drug-Related Side Effects and Adverse Reactions , Humans , Qualitative Research
12.
Expert Opin Pharmacother ; 19(6): 547-560, 2018 04.
Article in English | MEDLINE | ID: mdl-29596008

ABSTRACT

INTRODUCTION: At least 20% of children in the U.S. are highly vulnerable because they lack healthcare and protection. Several factors produce vulnerability: trauma, disruptions of parenting, poverty, involvement in the juvenile justice and/or child welfare systems, residence in restrictive settings, and problems related to developmental disabilities. These children receive psychotropic medications at high rates, raising numerous concerns. AREAS COVERED: The authors begin this review with a description of the population of highly vulnerable children. They then follow this with a review of the effectiveness and side effects of psychotropic medications for their most common diagnoses, using the highest-quality systematic reviews identified by multiple database searches. EXPERT OPINION: Highly vulnerable children receive numerous psychotropic medications with high rates of polypharmacy, off-label use, and long-term use, typically in the absence of adjunctive psychosocial interventions. The current evidence contravenes these trends. Future studies of psychotropic medications in vulnerable children should include long-term effectiveness trials and polypharmacy in conjunction with evidence-based, family-centered, psychosocial treatments.


Subject(s)
Psychotropic Drugs/therapeutic use , Vulnerable Populations/psychology , Adolescent , Child , Female , Humans , Male , Off-Label Use , Polypharmacy , Psychotropic Drugs/pharmacology
13.
J Child Adolesc Psychopharmacol ; 27(10): 916-919, 2017 Dec.
Article in English | MEDLINE | ID: mdl-28581341

ABSTRACT

OBJECTIVES: This study evaluated changes in cardiometabolic monitoring for children and adolescents who were prescribed an antipsychotic medication in a state mental health system before and after a quality improvement intervention. METHODS: The intervention included education for prescribers, auditing on metabolic monitoring, and feedback to mental health center leaders regarding their monitoring. Research staff extracted yearly data on cardiometabolic monitoring from randomly selected community mental health center records before and after the intervention. Pre- and postintervention changes in monitoring were assessed with chi-squared tests. RESULTS: Evidence of past year monitoring increased: for glucose 18.9%-42.1% (χ2 = 6.75, p < 0.001), for triglycerides 13.5%-31.0% (χ2 = 4.54, p = 0.033), for cholesterol 13.5%-33.1% (χ2 = 5.48, p = 0.019), and for weight 67.6%-84.1% (χ2 = 5.21, p = 0.022). Rates of monitoring for blood pressure and waist circumference increased but not significantly. In both years studied, weight was obtained most frequently and waist circumference was obtained least frequently. CONCLUSIONS: Monitoring rates significantly improved for four out of six parameters evaluated, but overall monitoring rates remained low at the end of the study period. Prescriber education with audit and feedback may improve cardiometabolic monitoring rates, but research is needed to evaluate barriers to monitoring in children.


Subject(s)
Antipsychotic Agents/adverse effects , Blood Glucose/drug effects , Blood Pressure/drug effects , Body Weight/drug effects , Neurodevelopmental Disorders/blood , Quality Improvement/standards , Adolescent , Blood Glucose/metabolism , Blood Pressure/physiology , Body Weight/physiology , Child , Community Health Services/standards , Drug Prescriptions/standards , Female , Humans , Male , Neurodevelopmental Disorders/drug therapy , Physician's Role , Random Allocation
14.
Psychiatr Serv ; 68(9): 958-961, 2017 Sep 01.
Article in English | MEDLINE | ID: mdl-28412899

ABSTRACT

OBJECTIVE: The survey assessed self-reported monitoring by child psychiatrists of children prescribed second-generation antipsychotics, facilitators and barriers to monitoring, and steps taken to adhere to monitoring. METHODS: The authors anonymously surveyed 4,144 U.S. child psychiatrists. Descriptive statistics and multiple linear regressions were utilized to describe results and identify correlates of monitoring. RESULTS: Among responders (N=1,314, 32%), over 95% were aware of all guidelines, over 80% agreed with most guidelines, but less than 20% had adopted and adhered to most guidelines. Awareness of guidelines, working within an academic practice, and fewer years in practice predicted adherence. CONCLUSIONS: Child psychiatrists have generally not adopted the guidelines for monitoring children on second-generation antipsychotics. Interventions to improve monitoring should target child psychiatrists in nonacademic practices and those who have been out of training for longer periods. Future research should assess family barriers to monitoring.


Subject(s)
Antipsychotic Agents/therapeutic use , Child Psychiatry/statistics & numerical data , Drug Monitoring/statistics & numerical data , Pediatricians/statistics & numerical data , Practice Guidelines as Topic , Humans , United States
15.
Adm Policy Ment Health ; 44(3): 365-373, 2017 May.
Article in English | MEDLINE | ID: mdl-28176032

ABSTRACT

Young adults with autism spectrum disorder (ASD) experience significant rates of unemployment and underemployment, and the field needs an inexpensive, evidence-based vocational intervention. We examined an approach developed for people with serious mental illness, IPS supported employment, for young adults with ASD. We described a pilot IPS program for young adults with ASD and evaluated the first five participants over 1 year. The first five IPS participants succeeded in competitive employment, expanded independence, and achieved broad psychosocial gains. IPS could help young adults with ASD succeed in competitive employment at a relatively low cost.


Subject(s)
Autism Spectrum Disorder/rehabilitation , Employment, Supported/organization & administration , Adult , Employment/statistics & numerical data , Female , Humans , Male , Pilot Projects , Severity of Illness Index , Young Adult
17.
Drug Alcohol Depend ; 117(2-3): 85-101, 2011 Sep 01.
Article in English | MEDLINE | ID: mdl-21377813

ABSTRACT

BACKGROUND: We systematically reviewed availability and quality of data on the prevalence of use and dependence on meth/amphetamine, cannabis, cocaine and opioids. METHODS: Multiple search strategies: (a) peer-reviewed literature searches (1990-2008) using methods recommended by the Meta-analysis of Observational Studies in Epidemiology (MOOSE) group; (b) systematic searches of online databases; (c) Internet searches to find other published evidence of drug use; (d) repeated consultation and feedback from experts around the globe; (e) a viral email sent to lists of researchers in the illicit drug and HIV fields. Data were extracted and graded according to predefined variables reflecting quality of data source. RESULTS: Qualitative evidence of illicit drug use and dependence was found for most countries, which hold over 98% of the world's population aged 15-64 years. Countries where use was identified but prevalence estimates had not been made (evidence of drug supply, trafficking, reports of use, treatment data) were mainly from Asia, Africa, the Middle East, and Oceania. Estimates of the prevalence of use were located in 77 countries for meth/amphetamine, 95 for cannabis, 86 for cocaine and 89 for opioids. Dependence prevalence estimates existed in very few countries; 9 meth/amphetamine dependence estimates, 7 cannabis dependence estimates, 5 cocaine dependence estimates, and 25 opioid dependence estimates were located. CONCLUSIONS: Data on the extent of meth/amphetamine, cannabis, cocaine and opioid use and dependence must be improved in quality and coverage. Dependence estimates are lacking even in high income countries that have required resources. Responses to illicit drug dependence require better estimates of its scale.


Subject(s)
Data Mining , Illicit Drugs , Research Design/statistics & numerical data , Substance-Related Disorders/epidemiology , Female , Humans , Male
18.
Drug Alcohol Depend ; 113(2-3): 88-95, 2011 Jan 15.
Article in English | MEDLINE | ID: mdl-20828942

ABSTRACT

AIMS: To conduct a systematic review of mortality among cohort studies of cocaine users. METHODS: Three electronic databases were searched (EMBASE, Medline and PsychINFO); other online databases were searched using online libraries and repositories of reports and literature in the drug and alcohol field, with requested contributions from trained librarians and experts. Searches and extraction were undertaken using protocols and cross-checking of decisions by two authors. Additional data were requested from study investigators where studies did not report relevant data. RESULTS: 1911 articles and 2 reports were identified from searches, with data from another four studies located from review articles. Seven cohorts of "problem" or dependent cocaine users reported data that permitted mortality rates to be estimated. Crude mortality rates ranged from 0.53 (95% CI: 0.10-1.58) to 6.16 (95% CI: 5.21-7.11) per 100 PY. Standardised mortality ratios (SMRs) reported in four studies suggested that mortality was four to eight times higher among cocaine users than age and sex peers in the general population. CONCLUSIONS: There are limited data on the extent of elevated mortality among problematic or dependent cocaine users and it is unclear how generalisable the results of these studies may be to other populations of problematic cocaine users. Greater attention to both the method of recruitment, and the characteristics of cocaine users, would enhance our understanding of the mortality risks of problematic cocaine use.


Subject(s)
Cocaine-Related Disorders/mortality , Cohort Studies , Cause of Death , Humans
19.
Addiction ; 106(1): 32-51, 2011 Jan.
Article in English | MEDLINE | ID: mdl-21054613

ABSTRACT

AIMS: To review the literature on mortality among dependent or regular users of opioids across regions, according to specific causes, and related to a number of demographic and clinical variables. METHODS: Multiple search strategies included searches of Medline, EMBASE and PsycINFO, consistent with the methodology recommended by the Meta-analysis of Observational Studies in Epidemiology (MOOSE) group; grey literature searches; and contact of experts for any additional unpublished data from studies meeting inclusion criteria. Random-effects meta-analyses were conducted for crude mortality rates (CMRs) and standardized mortality ratios (SMRs), with stratified analyses where possible. Meta-regressions examined potentially important sources of heterogeneity across studies. RESULTS: Fifty-eight prospective studies reported mortality rates from opioid-dependent samples. Very high heterogeneity across studies was observed; pooled all-cause CMR was 2.09 per 100 person-years (PY; 95% CI; 1.93, 2.26), and the pooled SMR was 14.66 (95% CI: 12.82, 16.50). Males had higher CMRs and lower SMRs than females. Out-of-treatment periods had higher mortality risk than in-treatment periods (pooled RR 2.38 (CI: 1.79, 3.17)). Causes of death varied across studies, but overdose was the most common cause. Multivariable regressions found the following predictors of mortality rates: country of origin; the proportion of sample injecting; the extent to which populations were recruited from an entire country (versus subnational); and year of publication. CONCLUSIONS: Mortality among opioid-dependent users varies across countries and populations. Treatment is clearly protective against mortality even in non-randomized observational studies. Study characteristics predict mortality levels; these should be taken into account in future studies.


Subject(s)
Analgesics, Opioid/poisoning , Opioid-Related Disorders/mortality , Substance Abuse, Intravenous/mortality , Adult , Asia/epidemiology , Australasia/epidemiology , Cause of Death , Drug Overdose/mortality , Europe/epidemiology , Female , HIV Infections/mortality , Humans , Male , North America/epidemiology , Opioid-Related Disorders/therapy , Recurrence , Time Factors , Young Adult
20.
Addict Behav ; 35(8): 741-9, 2010 Aug.
Article in English | MEDLINE | ID: mdl-20444552

ABSTRACT

AIMS: To review and summarize existing prospective studies reporting on remission from dependence upon amphetamines, cannabis, cocaine or opioids. METHODS: Systematic searches of the peer-reviewed literature were conducted to identify prospective studies reporting on remission from amphetamines, cannabis, cocaine or opioid dependence. Searches were limited to publication between 1990 and 2009. Reference lists of review articles and important studies were searched to identify additional studies. Remission was defined as no longer meeting diagnostic criteria for drug dependence or abstinence from drug use; follow-up periods of at least three years were investigated. The remission rate was estimated for each drug type, allowing pooling across studies with varying follow-up times. RESULTS: There were few studies examining the course of psychostimulant dependence that met inclusion criteria (one for amphetamines and four for cocaine). There were ten studies of opioid and three for cannabis dependence. Definitions of remission varied and most did not clearly assess remission from dependence. Amphetamine dependence had the highest remission rate (0.4477; 95%CI 0.3991, 0.4945), followed by opioid (0.2235; 95%CI 0.2091, 0.2408) and cocaine dependence (0.1366; 95%CI 0.1244, 0.1498). Conservative estimates of remission rates followed the same pattern with cannabis dependence (0.1734; 95%CI 0.1430, 0.2078) followed by amphetamine (0.1637; 95%CI 0.1475, 0.1797), opioid (0.0917; 95%CI 0.0842, 0.0979) and cocaine dependence (0.0532; 95%CI 0.0502, 0.0597). CONCLUSIONS: The limited prospective evidence suggests that "remission" from dependence may occur relatively frequently but rates may differ across drugs. There is very little research on remission from drug dependence; definitions used are often imprecise and inconsistent across studies and there remains considerable uncertainty about the longitudinal course of dependence upon these most commonly used illicit drugs.


Subject(s)
Amphetamine-Related Disorders/rehabilitation , Behavior, Addictive/psychology , Cocaine-Related Disorders/rehabilitation , Marijuana Abuse/rehabilitation , Opioid-Related Disorders/rehabilitation , Amphetamine-Related Disorders/epidemiology , Cocaine-Related Disorders/epidemiology , Cohort Studies , Humans , Marijuana Abuse/epidemiology , Opioid-Related Disorders/epidemiology , Prospective Studies , Remission Induction , Remission, Spontaneous , Time Factors
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