17 results on '"Day, Carolyn A."'
Search Results
2. Effects Of Reduction In Heroin Supply On Injecting Drug Use: Analysis Of Data From Needle And Syringe Programmes
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Day, Carolyn, Degenhardt, Louisa, Gilmour, Stuart, and Hall, Wayne
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- 2004
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3. Perceptions of injectable opioid agonist treatment (iOAT) among people who regularly use opioids in Australia: findings from a cross‐sectional study in three Australian cities.
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Nielsen, Suzanne, Sanfilippo, Paul, Belackova, Vendula, Day, Carolyn, Silins, Ed, Lintzeris, Nicholas, Bruno, Raimondo, Grebely, Jason, Lancaster, Kari, Ali, Robert, Bell, James, Dietze, Paul, Degenhardt, Louisa, Farrell, Michael, and Larance, Briony
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NARCOTICS ,DRUG addiction ,INJECTIONS ,CONFIDENCE intervals ,ANALGESICS ,CROSS-sectional method ,PATIENTS' attitudes ,MEDICAL protocols ,ELIGIBILITY (Social aspects) ,HEALTH attitudes ,DESCRIPTIVE statistics ,METROPOLITAN areas ,ODDS ratio ,HEROIN - Abstract
Background and aims: Not all people experiencing opioid dependence benefit from oral opioid agonist treatment. The aim of this study was to examine perceptions of (supervised) injectable opioid agonist treatment (iOAT) (described as 'an opioid similar to heroin self‐injected at a clinic several times a day') among people who regularly use opioids and determine how common iOAT eligibility criteria accord with interest in iOAT. Design Cross‐sectional survey Setting: Sydney, Melbourne and Hobart, Australia Participants: A total of 344 people (63% male) who use opioids regularly and had ever injected opioids, interviewed December 2017–March 2018. The mean age of participants was 41.5 years [standard deviation (SD) = 8.5]. Measurements Primary outcome measures were interest in iOAT, factors associated with interest and the proportion of participants who would be eligible using common criteria from trials and guidelines. We examined willingness to travel for iOAT, medication preferences and perspectives on whom should receive iOAT. Findings Overall, 53% of participants (n = 182) believed that iOAT would be a good treatment option for them. Participants who believed that iOAT was a good treatment option for them were more likely to be male [adjusted odds ratio (aOR) = 1.76, 95% confidence interval (CI) = 1.10–2.82], have used heroin in the past month (aOR = 6.03, 95% CI = 2.86–12.71), currently regularly inject opioids (aOR = 1.84, 95% CI = 1.16–2.91) and have met ICD‐10 criteria for opioid dependence (aOR = 3.46, 95% CI = 1.65–7.24). Those interested in iOAT had commenced more treatment episodes (aOR =1.06, 95% CI = 1.00–1.12). Among those interested in iOAT (n = 182), 26% (n = 48) met common eligibility criteria for iOAT. Conclusions: Interest in injectable opioid agonist treatment does not appear to be universal among people who regularly use opioids. Among study participants who expressed interest in injectable opioid agonist treatment, most did not meet common eligibility criteria. [ABSTRACT FROM AUTHOR]
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- 2021
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4. Initiation to heroin injecting among heroin users in Sydney, Australia: cross sectional survey
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Day Carolyn A, Ross Joanne, Dietze Paul, and Dolan Kate
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heroin ,injecting ,initiation ,risk behaviour ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background Heroin injection is associated with health and social problems including hepatitis C virus (HCV) transmission. Few studies have examined the circumstances surrounding initiation to heroin injecting, especially current users initiating others. The current study aimed to examine the age of first heroin use and injection; administration route of first heroin use; relationship to initiator; the initiation of others among a group of heroin users; and to examine these factors in relation to HCV status and risk. Method Heroin users in Sydney were recruited through needle and syringe programs, a methadone clinic and snowballing. Participants were interviewed about their own initiation to heroin use, blood-borne virus risk and knowledge, and whether they had initiated others to heroin injecting. Information on HCV status was collected via self-report. Data was analysed using univariate and multivariate statistical techniques for Normally distributed continuous and categorical data. Results The study recruited 399 heroin users, with a mean age of 31 years, 63% were male, 77% reported heroin as their primary drug and 59% were HCV positive (self-report). Mean age at first heroin use and injection was 19 and 21 years, respectively. The majority of heroin users commenced heroin use via injecting (65%), younger users (30 years) to commence heroin use parenterally. Participants were initiated to injection mainly by friends (63%). Thirty-seven percent reported initiating others to heroin injection, but few factors were related to this behaviour. Those with longer heroin using careers were more likely to report initiating others to heroin injection, but were no more likely to have done so in the preceding 12 months. Participants who had initiated others were more likely to have shared injecting equipment (12 vs 23%), but were no more likely to be HCV positive (self-report) than those who did not. Conclusion Interventions to prevent heroin users initiating others to injecting are necessary. Peer groups may be well positioned to implement such interventions.
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- 2005
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5. Impact of Drug Market Changes on Substance-Using Pregnant Women in Three Key Sydney Drug Markets.
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Conroy, Elizabeth, Degenhardt, Louisa, and Day, Carolyn
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PREGNANT women ,SUBSTANCE abuse ,DRUG traffic ,HEROIN abuse ,COCAINE abuse - Abstract
Introduction: In 2001 the supply of heroin was substantially reduced across Australia. Given the child protection concerns associated with the use of substances by pregnant women, it was pertinent to examine how the reduction in the supply of heroin affected this community of users. This paper aimed to assess the extent of any drug-related problems among pregnant women associated with the reduction in heroin supply in New South Wales (NSW). Method: Two sources of data were used: (1) Data on hospital visits in NSW in which drug and alcohol problems were noted as complicating the pregnancy; and (2) Key informant reports from services targeting substance-using pregnant women across the three main Sydney drug markets. Results: The shortage did not affect the number of hospital separations for substance-using pregnant women, nor the number of women referred to services for substance use in pregnancy. Key informants reported an increase in the use of cocaine among pregnant women and a change in injection sites for some women (including into breast tissue). No substantial change in adverse outcomes was observed to be associated with this change in patterns of drug use. Discussion: The reduction in heroin supply appeared to have limited impact on the number of substance-using pregnant women as assessed by hospital episodes and key informant reports. The evidence suggested an increase in the injecting of cocaine by pregnant women using drug treatment services, similar to the changes in drug use patterns observed among other groups of injecting drug users. The lack of change observed in the qualitative and statistical data regarding adverse health consequences associated with cocaine injecting suggests the potentially negative impact of maternal cocaine use on infant health may he difficult to detect and monitor. [ABSTRACT FROM AUTHOR]
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- 2006
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6. Documenting the heroin shortage in New South Wales.
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Day, Carolyn, Degenhardt, Louisa, and Hall, Wayne
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HEROIN , *DRUG abuse , *MORPHINE , *DRUGS of abuse , *NARCOTICS - Abstract
Australian heroin markets have recently undergone dramatic change, sparking debate about the nature of such markets. This study aimed to determine the onset, peak and decline of the heroin shortage in New South Wales (NSW), using the most appropriate available methods to detect market level changes. The parameters of the heroin shortage were determined by reviewing: reports of heroin users about availability and price (derived from the existing literature and the Illicit Drug Reporting System); qualitative interviews with injecting drug users, and health and law enforcement professionals working in the illicit drug field; and examining data on heroin seizures over the past decade. There was a marked reduction in heroin supply in NSW in early 2001. An increase in the price of heroin occurred in 2001, whereas it had decreased steadily since 1996. A reduction in purity also occurred, as reported by drug users and heroin seizures. The peak period of the shortage appears to have been January to April 2001. The market appears to have stabilised since that time, although it has not returned to pre-2001 levels: heroin prices have decreased in NSW for street grams, but not to former levels, and the price of ‘caps’ (street deals) remain elevated. Heroin purity in NSW has remained low, with perhaps a 10% increase above the lowest recorded levels. These data support the notion that the heroin market in NSW underwent significant changes, which appear to have involved a lasting shift in the nature of the market. [Day C, Degenhardt L, Hall W. Documenting the heroin shortage in New South Wales. Drug Alcohol Rev 2006;25:297 – 305] [ABSTRACT FROM AUTHOR]
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- 2006
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7. Patterns of drug use and associated harms among rural injecting drug users: Comparisons with metropolitan injecting drug users.
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Day, Carolyn, Conroy, Elizabeth, Lowe, Julia, Page, Jude, and Dolan, Kate
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DRUG abuse , *METROPOLITAN areas , *RISK-taking behavior , *RURAL geography , *HEROIN - Abstract
Objective: Given the harms associated with injecting drug use to both individuals and community and the paucity of such data from rural areas, the study aimed to compare: patterns of drug use, harms, and service access and utilisation among rural and metropolitan injecting drug users (IDU). Design: Cross-sectional survey, using interviewer-administered structured questionnaire. Participants: One hundred and sixty-four rural and 96 metropolitan IDU from seven different New South Wales Area Health Services, recruited through needle and syringe programs (NSPs), snowballing techniques and advertisement. Results: Age, gender, education and employment were similar for rural and metropolitan participants. Both samples reported use of a range of drugs, but rural participants were less likely than metropolitan participants to report daily heroin use (2% vs 10%), but more likely to report having injected morphine (50% vs 21%) in the last six months. Similar proportions reported using a needle/syringe after another person. Rural participants were less likely to report use of NSPs (36% vs 80%) and reported a number of barriers to NSP access and also to drug treatment services. Rural participants reported a significantly longer period of time between blood-borne virus testing. Conclusion: Samples of rural IDU are similar to metropolitan, although report some differences in patterns of drug use. Service provision, including access to new injecting equipment, blood-borne virus testing and drug treatment was found to cause considerable problems for rural IDU. These issues warrant further consideration. [ABSTRACT FROM AUTHOR]
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- 2006
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8. Patterns of drug use among a sample of drug users and injecting drug users attending a General Practice in Iran.
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Day, Carolyn, Nassirimanesh, Bijan, Shakeshaft, Anthony, and Dolan, Kate
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CANNABINOIDS , *HIV , *HEPATITIS C , *SYRINGES , *HEROIN - Abstract
Aim: This study aimed to examine drug use, drug treatment history and risk behaviour among a sample of Iranian drug users seeking treatment through a general practice clinic in Iran. Methods: Review of medical records and an intake questionnaire at a large general practice in Marvdasht, Iran, with a special interest in drug dependence treatment. Records from a random sample of injecting drug users (IDU), non-injecting drug users (DU) and non-drug using patients were examined. Results: 292 records were reviewed (34% IDU, 31% DU and 35% non-drug users). Eighty-three percent were males; all females were non-drug users. The mean age of the sample was 30 years. Of the IDU sample, 67% reported sharing a needle or syringe, 19% of these had done so in prison. Of those who had ever used drugs, being 'tired' of drug use was the most common reason for seeking help (34%). Mean age of first drug use was 20 years. The first drugs most commonly used were opium (72%), heroin (13%) and hashish/ other cannabinoids (13%). Three quarters reported having previously attempted to cease their drug use. IDU were more likely than DU to report having ever been imprisoned (41% vs 7%) and 41% to have used drugs in prison. Conclusion: This study has shown that there is a need for general practice clinics in Iran to treat drug users including those who inject and that a substantial proportion of those who inject have shared needles and syringes, placing them at risk of BBVI such as HIV and hepatitis C. The expansion of services for drug users in Iran such as needle and syringe programs and pharmacotherapies are likely to be effective in reducing the harms associated with opium use and heroin injection. [ABSTRACT FROM AUTHOR]
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- 2006
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9. Using intervention time series analyses to assess the effects of imperfectly identifiable natural events: a general method and example.
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Gilmour, Stuart, Degenhardt, Louisa, Hall, Wayne, and Day, Carolyn
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HEROIN ,NARCOTICS ,HARM reduction ,RISK management in business ,DRUG abuse - Abstract
Background: Intervention time series analysis (ITSA) is an important method for analysing the effect of sudden events on time series data. ITSA methods are quasi-experimental in nature and the validity of modelling with these methods depends upon assumptions about the timing of the intervention and the response of the process to it. Method: This paper describes how to apply ITSA to analyse the impact of unplanned events on time series when the timing of the event is not accurately known, and so the problems of ITSA methods are magnified by uncertainty in the point of onset of the unplanned intervention. Results: The methods are illustrated using the example of the Australian Heroin Shortage of 2001, which provided an opportunity to study the health and social consequences of an abrupt change in heroin availability in an environment of widespread harm reduction measures. Conclusion: Application of these methods enables valuable insights about the consequences of unplanned and poorly identified interventions while minimising the risk of spurious results. [ABSTRACT FROM AUTHOR]
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- 2006
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10. Patterns of illicit drug use in NSW, Australia following a reduction in heroin supply
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Degenhardt, Louisa, Day, Carolyn, Gilmour, Stuart, and Hall, Wayne
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DRUG abuse , *MORPHINE , *NARCOTICS , *INFORMATION services - Abstract
Abstract: Objective:: To examine whether a reduction in the availability of heroin in New South Wales (NSW) in 2001 was associated with community level changes in heroin and other drug use. Method:: Data from the NSW Alcohol and Drug Information Service (ADIS) on the number of persons calling about different drug types were used to examine NSW trends in calls of concern about heroin and other drugs. ADIS is a 24-h telephone information and counselling service in NSW; data from ADIS has previously been shown to be related to trends in drug use. Data from an inner Sydney needle and syringe program on drugs injected by clients were also used to examine time trends among a sentinel group of injecting drug users (IDU). Time series analysis was used to model the series. Results:: There was a significant reduction in calls regarding heroin associated with the reduction in heroin supply. Increases in calls about cocaine and methamphetamine were also associated with the heroin shortage. The reduction in calls about heroin appeared to be sustained, whereas the increases in calls about cocaine and methamphetamine were not. Conclusions:: Decreases in heroin supply were associated with sustained decreases in the use of heroin at a community level. Substitution of other drugs probably occurred among some users, such substitution did not appear to be sustained, as the number of calls returned to pre-shortage levels. Implications:: Drug supply reduction may lead to increases in use of other drug types. The health implications of such changes need to be borne in mind by law enforcement and health services. [Copyright &y& Elsevier]
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- 2005
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11. Age differentials in the impacts of reduced heroin: Effects of a “heroin shortage” in NSW, Australia
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Degenhardt, Louisa, Day, Carolyn, Conroy, Elizabeth, Gilmour, Stuart, and Hall, Wayne
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MORPHINE , *DRUG abuse , *DEMOGRAPHY , *HUMAN life cycle - Abstract
Abstract: Background: : This paper uses a unique event, the Australian heroin shortage, to see whether an abrupt, substantial and sustained change in heroin supply had different effects on harms related to heroin use among younger and older heroin users. Method: : Indicator data were examined by age group on the number of persons entering treatment for heroin and amphetamine dependence, arrests for heroin use/possession and number of drug related deaths in NSW, Australia. Data were analysed using times series analysis. Results: : There was a 41% reduction in the number of new registrations for opioid pharmacotherapy per month among 25–34 year olds, and a 26% reduction among 15–24 year olds, but no apparent changes among older age groups. Similarly, reductions in the number of non-pharmacological heroin treatment episodes were most pronounced among younger age groups. There was a 49% reduction in the number of heroin possession/use offences among those aged 15–24 years, compared to declines of 31–40% among older age groups. Declines in heroin related deaths were greatest among 15–24 year olds (65% reduction). There was no change in other drug related deaths in any age group. Conclusions: : A reduction in heroin supply was followed by greater reductions in heroin related harms among younger than older people, across a number of outcome domains. [Copyright &y& Elsevier]
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- 2005
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12. Effects of a sustained heroin shortage in three Australian States.
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Degenhardt, Louisa, Day, Carolyn, Dietze, Paul, Pointer, Sophie, Conroy, Elizabeth, Collins, Linette, and Hall, Wayne
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HEROIN , *NARCOTICS , *DRUG abuse , *SUPPLY & demand , *SCARCITY - Abstract
In early 2001 in Australia there was a sudden and dramatic decrease in heroin availability that occurred throughout the country that was evidenced by marked increases in heroin price and decreases in its purity. This study examines the impact of this change in heroin supply on the following indicators of heroin use: fatal and non-fatal drug overdoses; treatment seeking for heroin dependence; injecting drug use; drug-specific offences; and general property offences. The study was conducted using data from three Australian States[New South Wales (NSW), Victoria (VIC) and South Australia (SA)]. Data were obtained on fatal and non-fatal overdoses from hospital emergency departments (EDs), ambulance services and coronial systems; treatment entries for heroin dependence compiled by State health departments; numbers of needles and syringes distributed to drug users; and data on arrests for heroin-related incidents and property-related crime incidents compiled by State Police Services. Time-series analyses were conducted where possible to examine changes before and after the onset of the heroin shortage. These were supplemented with information drawn from studies involving interviews with injecting drug users. After the reduction in heroin supply, fatal and non-fatal heroin overdoses decreased by between 40% and 85%. Despite some evidence of increased cocaine, methamphetamine and benzodiazepine use and reports of increases in harms related to their use, there were no increases recorded in the number of either non-fatal overdoses or deaths related to these drugs. There was a sustained decline in injecting drug use in NSW and VIC, as indicated by a substantial drop in the number of needles and syringes distributed (to 1999 levels in Victoria). There was a short-lived increase in property crime in NSW followed by a sustained reduction in such offences. SA and VIC did not show any marked change in the categories of property crime examined in the study. Substantial reductions in heroin availability have not occurred often, but in this Australian case a reduction had an aggregate positive impact in that it was associated with: reduced fatal and non-fatal heroin overdoses; reduced the apparent extent of injecting drug use in VIC and NSW; and may have contributed to reduced crime in NSW. All these changes provide substantial benefits to the community and some to heroin users. Documented shifts to other forms of drug use did not appear sufficient to produce increases in deaths, non-fatal overdoses or treatment seeking related to those drugs. [ABSTRACT FROM AUTHOR]
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- 2005
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13. The impact of illicit drug market changes on health agency operations in Sydney, Australia
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Gibson, Amy, Day, Carolyn, and Degenhardt, Louisa
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HEROIN , *MEDICAL care , *AGGRESSION (Psychology) , *DRUG abuse - Abstract
Abstract: At the end of 2000, in Sydney, Australia, there was a dramatic reduction in heroin availability. This study examines how health agencies treating clients for drug and alcohol related issues were able to respond to the changes that took place in their clients and their treatment needs. Key informant interviews were conducted with 48 staff from a wide range of health services in Sydney to provide the data for a thematic analysis. Changes experienced by health agencies included changed patterns of drug use in their clients, increased aggressive incidents, changed numbers of clients accessing treatment services, and a need for more assistance from outside agencies. A strong evidence base for a range of drug treatment options, support of staff development in aggression management skills, and development of good interagency links between mental health, drug and alcohol, and law enforcement services would make health services better prepared for future changes in the drug use of their clients. [Copyright &y& Elsevier]
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- 2005
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14. Hepatitis C-related discrimination among heroin users in Sydney: drug user or hepatitis C discrimination?
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Day, Carolyn, Ross, Joanne, and Dolan, Kate
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HEPATITIS C virus , *PEOPLE with drug addiction , *HEROIN - Abstract
The hepatitis C virus (HCV) is a common infection among injecting drug users. There are currently few available data on the extent (or prevalence) of HCV-related discrimination. This study examined perceived discrimination among a sample of heroin users and sought to determine whether the discrimination was attributed to their drug user or HCV status. Heroin users were recruited through needle and syringe programmes and methadone clinics in Sydney and were asked about discrimination in the preceding 12 months. Four hundred and one heroin users were recruited, of whom 59% reported being HCV-positive. Discrimination was reported by 22% of the 237 IDUs who reported being HCV-positive, with 17% reporting that the discrimination occurred in the preceding 12 months. Sixty-seven incidents were reported, of which half were perceived to be due to their drug user status, 15% of these incidents were due to HCV status and 25% due to a combination of both. Twenty-five incidents occurred in a health-care setting, of which 13 resulted in the service being withheld. HCV is a serious public health concern, and if IDU are to be encouraged into drug treatment it is essential that service providers are perceived to be non-discriminatory. In managing IDU patients, health care workers need to be cognisant of the impact that their attitude has on treatment outcome. [Day C, Ross J, Dolan K. Hepatitis C-related discrimination among heroin users in Sydney: drug user or hepatitis C discrimination? Drug Alcohol Rev 2003;22:317 - 321] [ABSTRACT FROM AUTHOR]
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- 2003
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15. Changes in patterns of drug injection concurrent with a sustained reduction in the availability of heroin in Australia
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Topp, Libby, Day, Carolyn, and Degenhardt, Louisa
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DRUG abuse , *HEROIN - Abstract
Between 1996 and 2000, heroin was the drug most frequently injected in Australia, and viable heroin markets existed in six of Australia''s eight jurisdictions. In 2001, there was a dramatic and sustained reduction in the availability of heroin that was accompanied by a substantial increase in its price, and a 14% decline in the average purity of seizures analysed by forensic laboratories. The shortage of heroin constitutes a unique natural experiment within which to examine the impact of supply reduction. This paper reviews one important correlate of the shortage, namely changes in patterns of illicit drug injection. A number of studies have consistently suggested that between 2000 and 2001, there was a sizeable decrease in both prevalence and frequency of heroin injection among injecting drug users. These changes were accompanied by increased prevalence and frequency of stimulant injection. Cocaine was favoured in NSW, the sole jurisdiction in which a cocaine market was established prior to the heroin shortage; whereas methamphetamine predominated in other jurisdictions. Some data suggest that, at least in the short-term, some drug injectors left the market altogether subsequent to the reduced heroin availability. However, the findings that (1) some former heroin users switched their drug preference to a stimulant; and (2) subsequently attributed this change to the reduced availability of heroin, suggests that reducing the supply of one drug may serve to increase the use of others. Given the differential harms associated with the use of stimulants and opiates, this possibility has grave implications for Australia, where the intervention and treatment system is designed primarily to accommodate opiate use and dependence. [Copyright &y& Elsevier]
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- 2003
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16. Morbidity associated with non-fatal heroin overdose.
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Warner‐Smith, Matthew, Darke, Shane, and Day, Carolyn
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HEROIN abuse ,NARCOTICS -- Overdose ,DISEASES - Abstract
Aims To estimate the range and severity of heroin overdose related morbidity. Design Cross-sectional survey. Setting Sydney, Australia. Participants 198 heroin users. Findings Sixty-nine per cent had experienced a heroin overdose, 28% in the preceding 12 months. Of those who had overdosed, 79% had experienced at least one overdose-related morbidity symptom. An ambulance had attended overdoses for 59% of subjects, 33% had required hospital treatment for overdose, and 14% had experienced overdose-related complications of sufficient severity to be admitted to a hospital ward. Indirect overdose-related morbidity included: physical injury sustained when falling at overdose (40%), burns (24%) and assault while unconscious (14%). Direct overdose-related morbidity included: peripheral neuropathy (49%), vomiting (33%), temporary paralysis of limbs (26%), chest infections (13%) and seizure (2%). Conclusions There appears to be extensive morbidity associated with nonfatal overdose. This is clearly an area that requires more research to document the prevalence and nature of these harms, and factors associated with them. [ABSTRACT FROM AUTHOR]
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- 2002
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17. The impact of a reduction in drug supply on demand for and compliance with treatment for drug dependence
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Degenhardt, Louisa, Conroy, Elizabeth, Day, Carolyn, Gilmour, Stuart, and Hall, Wayne
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DRUG abuse , *THERAPEUTICS , *DRUG therapy , *NARCOTICS - Abstract
Abstract: Background:: In early 2001, Australia experienced a sudden, dramatic and sustained decrease in heroin availability that was accompanied by sharp increases in price and decreases in street level purity—the so-called “heroin shortage”. These unprecedented changes occurred in a context of widespread treatment availability, which made it possible for the first time to examine the impact of a sharp reduction in heroin supply in New South Wales (NSW) on entry to and adherence with treatment for heroin dependence. Given the evidence of drug substitution by some users, the current paper also examines the effects of the shortage on entry to treatment for other forms of drug dependence. Methods:: Interrupted time-series analysis of the number of persons entering opioid pharmacotherapy and other treatment modalities in NSW for heroin dependence and for the treatment for other types of drug dependence. Findings:: The heroin shortage was associated with a reduction in the number of younger persons entering opioid pharmacotherapy. There was a dramatic decrease in the number of persons entering heroin withdrawal or “assessment only” treatment episodes. There appear to have been small improvements in adherence to and retention in heroin treatment after the reduction in heroin supply. Relatively small increases were observed in numbers being treated for cocaine dependence. Conclusions:: In the context of good treatment provision, a reduction in heroin supply appeared to produce modest improvements in intermediate outcomes. Supply and demand reduction measures, when both are implemented successfully, may be complementary. [Copyright &y& Elsevier]
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- 2005
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