ArticleBMJ open2023
Impact of heat on mental health emergency visits: a time series study from all public emergency centres, in Curitiba, Brazil.
Article in BMJ open, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 2 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed, 2 syntheses or guidelines pooled it, 7 citations in OpenAlex.
- Extreme heat and mental health: systematic review and qualitative investigation of risk and protective factors.Psychological medicine · 2026Pooled it
- Effects of ambient temperature on mental and neurological conditions in older adults: A systematic review and meta-analysis.Environment international · 2024Pooled it
- Regional variations in emergency care vulnerability to summer heat.Nature communications · 2026Article
- Uunderstanding the psychological impact of the climate crisis on individuals with depression: a phenomenological study.Scientific reports · 2026Article
- The effect of weather on unscheduled healthcare utilisation for mental health conditions in England, 2014-2022.Frontiers in psychiatry · 2026Article
- The neuropsychiatric toll of rising temperatures on women's health in low-income and middle-income countries: a scoping review.BMJ global health · 2025Article
- COVID-19 pandemic as an effect modifier on the association between elevated temperatures and emergency department visits: A case-time-series study in a large population.Environmental epidemiology (Philadelphia, Pa.) · 2025Article
- Impact of heatwaves on depression and anxiety in India: A time-series analysis.Bioinformation · 2025Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesQuantify the risk of mental health (MH)-related emergency department visits (EDVs) due to heat, in the city of Curitiba, Brazil.
designDaily time series analysis, using quasi-Poisson combined with distributed lag non-linear model on EDV for MH disorders, from 2017 to 2021.
settingAll nine emergency centres from the public health system, in Curitiba.
participants101 452 EDVs for MH disorders and suicide attempts over 5 years, from patients residing inside the territory of Curitiba.
main outcome measureRelative risk of EDV (RR
resultsExtreme heat was associated with higher single-lag EDV risk of RR
conclusionThe risk of MH-related EDV due to heat is elevated for the entire study population, but very differentiated by subgroups. This opens avenue for adaptation policies in healthcare: such as monitoring populations at risk and establishing an early warning systems to prevent exacerbation of MH episodes and to reduce suicide attempts. Further studies are welcome, why the reported risk differences occur and what, if any, role healthcare seeking barriers might play.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.