Related Experiment Video
Updated: Aug 5, 2026
10:17
High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry
Published on: April 23, 2019
Methadone-related death in detention
1Precision Medicine, Networked Services, Bessemer Wing, King's College Hospital NHS Foundation Trust, London, SE5 9RS, UK.
Journal of Forensic and Legal Medicine
|May 2, 2022
Summary
Methadone prescriptions for detainees can prevent fatal opioid poisoning. However, early treatment deaths were linked to younger age, lower doses, and less warning signs, highlighting risks of methadone toxicity.
Area of Science:
- Forensic Toxicology
- Pharmacology
- Public Health
Background:
- Oral methadone is prescribed to detainees to reduce fatal opioid poisoning risks upon release.
- Methadone-related deaths in detention require investigation to understand contributing circumstances.
Purpose of the Study:
- To audit methadone-related deaths in detention to identify risk factors and circumstances.
- To inform strategies for minimizing unexpected deaths associated with methadone treatment in detainees.
Main Methods:
- Retrospective audit of 17 methadone-related deaths in detention between July 2010 and December 2011.
- Analysis of patient demographics, methadone dosage, post-mortem blood concentrations, and clinical observations prior to death.
Main Results:
- Deaths within 7 days of methadone initiation were associated with younger age, lower doses, and lower blood methadone concentrations.
- Warning signs like drowsiness and snoring were noted in several cases before death.
- Associated factors included pneumonia, cirrhosis, and ischemic heart disease, particularly in long-term methadone users.
Conclusions:
- Early methadone treatment deaths differ from long-term treatment deaths.
- Recognizing warning signs of methadone toxicity and associated risk factors is crucial for patient safety.
- Attention to drowsiness, snoring, and co-prescribed medications like benzodiazepines can help prevent unexpected deaths.
Related Concept Videos
01:26Enhanced Elimination of Poison
Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
01:15Opioid Analgesics: Synthetic and Semisynthetic Opioids
Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
01:29Therapeutic Drug Monitoring: Affecting Factors
Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.
01:30Extracorporeal Removal of Drugs: Peritoneal Dialysis and Hemodialysis
Patients with end-stage renal disease (ESRD) or those experiencing drug overdose often require extracorporeal methods to eliminate accumulated drugs and metabolites. Hemoperfusion, hemofiltration, and dialysis are the primary techniques to rapidly remove harmful substances without disrupting the patient's fluid and electrolyte balance. For those with compromised renal function, dosage adjustments of concurrent medications may be necessary during extracorporeal drug removal.Dialysis is a process...
01:24Drug Toxicity: Dose-Dependent Reactions
Drug toxicities can be stratified into pharmacological, pathological, or genotoxic based on their mechanisms. The incidence and severity of these toxicities generally increase with the drug's concentration in the body and exposure time.Pharmacological toxicity is evident when the therapeutic effects of drugs overshoot into adverse reactions in a predictable, dose-dependent manner. Central nervous system (CNS) depression from barbiturates is a classic example, with effects escalating from...
01:26Pharmaceutical Poisoning: Treatment Strategies
Treatment strategies for poisoning are a critical aspect of emergency medicine, focusing on preventing the absorption of toxins and enhancing their elimination. When a poisoning incident occurs, the first response is to halt exposure and decontaminate the patient, particularly through gastrointestinal (GI) methods if the poison was ingested.Gastrointestinal Decontamination Techniques:Activated charcoal is the cornerstone of GI decontamination. It works through adsorption, binding the toxin to...