What does this research mean for the field?

The majority of EMS-attended non-fatal opioid overdoses occur in private residences (55.3%) and on streets or highways (19.5%), with specific location patterns varying significantly by age group. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To identify the specific geographic settings and demographic patterns of non-fatal opioid overdoses attended by emergency medical services across the United States.

September 5, 2026Injury Prevention

Locations of emergency medical services attended non-fatal opioid-involved overdoses, 888 counties, USA, 2022–2024

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Authors

BLB. Casey Lyons EFEmily A G Faherty JPJoohyun Park

Discussion

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Overview

Surveillance study finds most non-fatal overdoses occur in private residences, indicating a critical need for targeted community naloxone distribution.

Key Points

To identify the specific geographic settings and demographic patterns of non-fatal opioid overdoses attended by emergency medical services across the United States.
Analyzed emergency medical service (EMS) encounter data from biospatial by ImageTrend across 888 consistently reporting US counties covering roughly 30.6% of the population from January 2022 to December 2024.
Calculated frequencies and proportions of non-fatal opioid overdoses stratified by location type, sex, race/ethnicity, age group, and US Census Bureau region, assessing quarterly trends using average quarterly percent change (AQPC).
Private residences represented the most frequent site of non-fatal overdoses (55.3%), followed by streets and highways (19.5%) across all demographic groups.
Encounters frequently occurred in schools and administrative buildings among individuals aged <19 years and in healthcare facilities among those aged ≥55 years.
Proportions of residential overdoses experienced a slight decline from January 2022 through September 2024 (AQPC: −0.9), while proportions on streets and highways remained stable.

Cite This Study

Lyons et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd4536b95aff0620ebe82 https://doi.org/10.1136/ip-2026-046301

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September 5, 2026Injury Prevention

Locations of emergency medical services attended non-fatal opioid-involved overdoses, 888 counties, USA, 2022–2024

View Full Paper

Ask AI

Bookmark

Authors

BLB. Casey Lyons EFEmily A G Faherty JPJoohyun Park

Discussion

Member takes

Overview

Surveillance study finds most non-fatal overdoses occur in private residences, indicating a critical need for targeted community naloxone distribution.

Key Points

To identify the specific geographic settings and demographic patterns of non-fatal opioid overdoses attended by emergency medical services across the United States.
Analyzed emergency medical service (EMS) encounter data from biospatial by ImageTrend across 888 consistently reporting US counties covering roughly 30.6% of the population from January 2022 to December 2024.
Calculated frequencies and proportions of non-fatal opioid overdoses stratified by location type, sex, race/ethnicity, age group, and US Census Bureau region, assessing quarterly trends using average quarterly percent change (AQPC).
Private residences represented the most frequent site of non-fatal overdoses (55.3%), followed by streets and highways (19.5%) across all demographic groups.
Encounters frequently occurred in schools and administrative buildings among individuals aged <19 years and in healthcare facilities among those aged ≥55 years.
Proportions of residential overdoses experienced a slight decline from January 2022 through September 2024 (AQPC: −0.9), while proportions on streets and highways remained stable.

Cite This Study

Lyons et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd4536b95aff0620ebe82 https://doi.org/10.1136/ip-2026-046301

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

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