Chest
Volume 123, Issue 2, February 2003, Pages 510-517
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Clinical Investigations in Critical Care
Heroin Insufflation as a Trigger for Patients With Life-Threatening Asthma*

https://doi.org/10.1378/chest.123.2.510Get rights and content

Study objectives:

To determine the prevalence of self-reported, heroin-associated asthma symptoms among inner-city patients treated for life-threatening asthma, and to compare the rates of drug use between ICU patients with asthma and ICU control patients with diabetic ketoacidosis (DKA).

Designs:

Study 1 was a sequential case series of patients requiring ICU admission for asthma (January to June 1999). Study 2 was a retrospective, case-control study of drug use among asthma patients and control subjects with DKA requiring ICU care (1997 to 1998).

Setting:

Inner-city, public hospital ICU.

Patients:

Twenty-three patients (26 ICU admissions) with asthma (age range, 16 to 50 years) admitted to the ICU from January to June 1999, and 84 patients (104 ICU admissions) with asthma and 42 patients with DKA (age range, 15 to 50 years) admitted to the ICU during 1997 to 1998.

Outcomes studied:

Self-reported, heroin-associated exacerbations, history of heroin or cocaine use, and urine drug screen (UDS) results.

Measurements and results:

In the sequential ICU admissions, 13 of 23 patients (56%) described asthma exacerbations associated with heroin insufflation. In the case-control study, asthmatics were significantly more likely to report heroin use (41.3% vs 12.5%; p = 0.006) and had a significantly higher prevalence of UDS results positive for opiates (60% vs 7%; p = 0.001) compared to subjects with DKA. The rates of cocaine use by history and UDS results did not differ significantly between the two groups.

Conclusions:

At least since 1997, heroin insufflation is a common asthma trigger in this inner-city ICU and should be considered in the care of patients with life-threatening asthma.

Section snippets

Materials and Methods

Cook County Hospital is a public hospital that serves metropolitan Chicago. Approximately 11,000 adult patients per year are treated in the emergency department (ED) for asthma exacerbation, and roughly 4% require hospital admission for > 23 h. Patients requiring ICU admission represent roughly 10% of total asthma hospital admissions; the majority of these are admitted directly from the ED. Patients admitted to the ICU for asthma have either impending or actual respiratory failure, or a severe

Study 1: Case Series

In the first 6 months of 1999, there were 26 admissions for asthma in patients aged 16 to 50 years admitted to the ICU (Table 1). Three patients had two ICU admissions; thus, there were a total of 23 patients. All patients were African American, except one patient who was white. The mean age of the patients was 35 years. Childhood onset of disease was reported by 45%. Fifteen of 22 patients (68.2%) reported using an inhaled corticosteroid. Of the 16 patients for whom the source of asthma care

Discussion

We have observed that heroin insufflation is a common trigger for asthma symptoms among patients requiring ICU admission for asthma in an urban public hospital. This phenomenon has occurred sporadically since March 1997 and may have been operative prior to that date. In the first 6 months of 1999, the majority of persons (13 of 23 patients) admitted with severe asthma to the ICU gave a clear history that heroin insufflation precipitated asthma exacerbations generally, and in some cases, clearly

ACKNOWLEDGMENT

We thank Drs. David Gummin and Paul Bonucci for assistance in data collection, Drs. Henri Frischer and Jay Shannon for review of the manuscript, and Dr. Lawrence Ouellet and the staff of the Community Outreach Intervention Projects for information provided on drug use practices in Chicago.

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