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Asthma deaths confounded by substance abuse. An assessment of fatal asthma
T Levenson1, P A Greenberger, E R Donoghue
1Department of Medicine, Northwestern University Medical School, Chicago.
Insights
Fatal asthma deaths in Chicago are often linked to substance abuse and alcohol, mirroring homicide victims. Cocaine use is particularly dangerous for asthma patients, potentially causing fatal heart issues.
Area of Science:
- Pulmonary Medicine
- Toxicology
- Forensic Pathology
Background:
- Chicago experiences high asthma mortality rates in young adults (5-34 years).
- Investigation into fatal asthma cases aimed to classify cause of death: asthma, indeterminate, or coincidental.
Purpose of the Study:
- To determine the circumstances and causes of asthma-related deaths in young individuals.
- To assess the role of substance abuse and alcohol in fatal asthma cases.
Main Methods:
- Reviewed 102 cases of asthma deaths (under 46 years) from the Medical Examiner's office.
- Analyzed clinical, toxicologic, and pathologic findings; compared toxicology with homicide victims.
Main Results:
- 46 deaths directly attributed to asthma, 17 probably asthma-related (negative toxicology).
- 23 indeterminate deaths involved substance use/alcohol; 14 non-asthma deaths were substance-related (cocaine).
- 31.5% of cases were confounded by substance abuse/alcohol, similar to homicide victims (46.3%). Mucus plugging/hyperinflation common (69.9%). Few patients used anti-inflammatory medication.
Conclusions:
- Substance use/alcohol contribute to reported asthma deaths, similar to homicide trends.
- Cocaine poses significant risk to asthma patients due to hypersensitivity to alpha-adrenergic agonists, potentially causing fatal arrhythmias.
Background:
The Chicago region has been identified as having a very high death rate from asthma in patients aged 5 to 34 years. We investigated circumstances surrounding the fatal attack to determine whether the death was from asthma, of indeterminate cause, or coincidental to asthma.
Methods:
Cases of asthma deaths from the Office of the Medical Examiner, where the deceased were younger than 46 years of age, were used to determine clinical, toxicologic, and pathologic findings relevant to asthma. Toxicologic results were compared with homicide victims.
Results:
From 102 cases of fatal asthma, 46 cases were classified as deaths from asthma and 17 cases were considered probably from asthma as toxicologic tests were negative. Twenty-three cases were of indeterminate cause in that the acute respiratory symptoms were accompanied by substance use or alcohol consumption. Fourteen cases were not caused by asthma but were substance related, primarily cocaine. Overall, 29 of 92 (31.5%) cases were confounded by substance abuse or alcohol ingestion, which is almost as high as in homicide victims (38/82 [46.3%]). Mucus plugging of bronchi and or hyperinflation in fatal asthma occurred in 65 of 93 (69.9%) cases. Anti-inflammatory medications were being utilized by just two patients. Sufficient information was available to identify potentially fatal asthma in 6 of 20 cases (30%).
Conclusion:
Some of the reported rise in asthma deaths is a reflection of substance use or alcohol consumption similar to that seen in victims of homicide. In that patients with asthma are hypersensitive to alpha-adrenergic agonists, the use of cocaine may be especially dangerous and induce fatal ventricular dysrhythmias.
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