TY - JOUR
KW - Adolescent
KW - Adult
KW - Cohort Studies
KW - Drug Users/statistics & numerical data
KW - Female
KW - HIV Infections/complications/mortality
KW - Hospitalization
KW - Humans
KW - Longitudinal Studies
KW - Male
KW - Opiate Substitution Treatment
KW - Proportional Hazards Models
KW - Sex Factors
KW - Spain
KW - Substance-Related Disorders/drug therapy/mortality
KW - Young Adult
AU - R. Muga
AU - I. Rivas
AU - E. Faure
AU - D. Fuster
AU - P. Zuluaga
AU - M. Rubio
AU - T. Munoz
AU - M. Torrens
AU - J. Tor
AU - A. Sanvisens
A1 - 
AB - BACKGROUND: Opioid substitution therapy has improved the survival of heroin users with and without HIV infection. We aimed to analyze sex differences in mortality rates and predictors of death among those admitted to a methadone treatment program (MTP). METHODS: Longitudinal study of patients enrolled in a MTP from 1992 to 2010. Socio-demographic and drug use characteristics, and markers of viral infections were assessed at entry. Vital status was ascertained by clinical charts and the mortality register. Four calendar periods were defined according to the introduction of preventive and treatment interventions in Spain. Predictors of death were analyzed by Cox regression models. RESULTS: 1,678 patients (82.8% men) were included; age at first heroin use was 18.6 years (IQR: 16-23 years), and age at first entry into a MTP was 30.7 years (IQR: 26-36 years). A total of 441 (26.3%) deaths occurred during 15,124 person-years (p-y) of follow-up (median: 9.2 years, IQR: 4-13 years). HIV infection was the main predictor of death in men (HR = 3.5, 95% CI: 2.1-5.7) and women (HR = 3.2, 95% CI: 1.2-8.7 ) and main cause of death was HIV/AIDS. Overall mortality rate was 2.9 per 100 p-y (95% CI: 2.7-3.2 per 100 p-y) and death rates decreased over time: 7.4 per 100 p-y (95% CI: 6.3-8.8 per 100 p-y) for the 1992-1996 period to 1.9 per 100 p-y (95% CI: 1.6-2.4 per 100 p-y) for the 2007-2010 period. In women, a slightly increase in mortality was observed in recent periods specifically among HIV-positive women (3.7 per 100 p-y in period 2002-2006 and 4.5 per 100 p-y in 2007-2010). CONCLUSIONS: Significant reductions in mortality of patients in MTP are observed after nineteen years of observation. However, HIV infection shows a great impact on survival, particularly among HIV-infected women.
BT - BMC infectious diseases
C5 - Opioids & Substance Use
CY - England
DO - 10.1186/1471-2334-14-504
JF - BMC infectious diseases
N2 - BACKGROUND: Opioid substitution therapy has improved the survival of heroin users with and without HIV infection. We aimed to analyze sex differences in mortality rates and predictors of death among those admitted to a methadone treatment program (MTP). METHODS: Longitudinal study of patients enrolled in a MTP from 1992 to 2010. Socio-demographic and drug use characteristics, and markers of viral infections were assessed at entry. Vital status was ascertained by clinical charts and the mortality register. Four calendar periods were defined according to the introduction of preventive and treatment interventions in Spain. Predictors of death were analyzed by Cox regression models. RESULTS: 1,678 patients (82.8% men) were included; age at first heroin use was 18.6 years (IQR: 16-23 years), and age at first entry into a MTP was 30.7 years (IQR: 26-36 years). A total of 441 (26.3%) deaths occurred during 15,124 person-years (p-y) of follow-up (median: 9.2 years, IQR: 4-13 years). HIV infection was the main predictor of death in men (HR = 3.5, 95% CI: 2.1-5.7) and women (HR = 3.2, 95% CI: 1.2-8.7 ) and main cause of death was HIV/AIDS. Overall mortality rate was 2.9 per 100 p-y (95% CI: 2.7-3.2 per 100 p-y) and death rates decreased over time: 7.4 per 100 p-y (95% CI: 6.3-8.8 per 100 p-y) for the 1992-1996 period to 1.9 per 100 p-y (95% CI: 1.6-2.4 per 100 p-y) for the 2007-2010 period. In women, a slightly increase in mortality was observed in recent periods specifically among HIV-positive women (3.7 per 100 p-y in period 2002-2006 and 4.5 per 100 p-y in 2007-2010). CONCLUSIONS: Significant reductions in mortality of patients in MTP are observed after nineteen years of observation. However, HIV infection shows a great impact on survival, particularly among HIV-infected women.
PP - England
PY - 2014
SN - 1471-2334; 1471-2334
SP - 504
T1 - Sex-specific disease outcomes of HIV-positive and HIV-negative drug users admitted to an opioid substitution therapy program in Spain: a cohort study
T2 - BMC infectious diseases
TI - Sex-specific disease outcomes of HIV-positive and HIV-negative drug users admitted to an opioid substitution therapy program in Spain: a cohort study
U1 - Opioids & Substance Use
U2 - 25231321
U3 - 10.1186/1471-2334-14-504
VL - 14
VO - 1471-2334; 1471-2334
Y1 - 2014
ER -