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Systemic disease among cases of fatal opioid toxicity
Shane Darke1, Sharlene Kaye, Johan Duflou
1National Drug and Alcohol Research Centre, University of New South Wales, NSW 2052, Australia. ndarc21@unsw.edu.au
Aims:
To determine levels of systemic disease among cases of death due to opioid toxicity.
Design:
Analysis of coronial cases.
Setting:
Sydney, Australia.
Cases:
A total of 841 cases of death due to opioid toxicity (1 January 1998-31 December 2002).
Findings:
Ventricular hypertrophy was present in 5.9% of cases and severe coronary artery atherosclerosis in 5.7%. Severe coronary pathology was more pronounced among older cases. Pre-existing bronchopneumonia was present in 13.2% of cases. Hepatic pathology was the most common type of pathology, and was far more marked among older cases. Cirrhosis was present in 25.3% of those aged > 44 years. Levels of renal pathology were comparatively low, but were related significantly to increasing age. Systemic disease in more than one organ system was present in 24.4% of cases, and was related to increasing age (44% of those aged > 44 years). The only pathology for which gender was an independent predictor among opioid cases was ventricular hypertrophy, more common in males.
Conclusions:
Systemic disease, most prominently liver disease, is common among fatal opioid toxicity cases, and may be a factor in understanding the dynamics and age demographics of opioid-related death.
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