Evidence map›Paper›PMID 19232122›Full record

ArticleBMC medical informatics and decision making2009

Syndromic surveillance and heat wave morbidity: a pilot study based on emergency departments in France.

Loïc Josseran, Nadège Caillère, Dominique Brun-Ney, Jean Rottner, Laurent Filleul, Gilles Brucker, Pascal Astagneau

Abstract readComparative Study
In one paragraph

Article in BMC medical informatics and decision making, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

55 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Trial
  3. Review
  4. Article
  5. Article
  6. Article
  7. Adverse heat-health outcomes and critical environmental limits (Pennsylvania State University Human Environmental Age Thresholds project).American journal of human biology : the official journal of the Human Biology Council · 2023
    Review
  8. Article
  9. Digital health for climate change mitigation and response: a scoping review.Journal of the American Medical Informatics Association : JAMIA · 2022
    Article
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Review
  16. Article
  17. Observational
  18. The Impact of Heat Waves on Emergency Department Admissions in Charlottesville, Virginia, U.S.A.International journal of environmental research and public health · 2018
    Article
  19. Observational
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Loïc JosseranFrench Institute for Public Health Surveillance, Saint Maurice, France. l.josseran@invs.sante.fr
Nadège Caillère
Dominique Brun-Ney
Jean Rottner
Laurent Filleul
Gilles Brucker
Pascal Astagneau

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe health impacts of heat waves are serious and have prompted the development of heat wave response plans. Even when they are efficient, these plans are developed to limit the health effects of heat waves. This study was designed to determine relevant indicators related to health effects of heat waves and to evaluate the ability of a syndromic surveillance system to monitor variations in the activity of emergency departments over time. The study uses data collected during the summer 2006 when a new heat wave occurred in France.

methodsData recorded from 49 emergency departments since July 2004, were transmitted daily via the Internet to the French Institute for Public Health Surveillance. Items collected on patients included diagnosis (ICD10 codes), outcome, and age. Statistical t-tests were used to compare, for several health conditions, the daily averages of patients within different age groups and periods (whether 'on alert' or 'off alert').

resultsA limited number of adverse health conditions occurred more frequently during hot period: dehydration, hyperthermia, malaise, hyponatremia, renal colic, and renal failure. Over all health conditions, the total number of patients per day remained equal between the 'on alert' and 'off alert' periods (4,557.7/day vs. 4,511.2/day), but the number of elderly patients increased significantly during the 'on alert' period relative to the 'off alert' period (476.7/day vs. 446.2/day p < 0.05).

conclusionOur results show the interest to monitor specific indicators during hot periods and to focus surveillance efforts on the elderly. Syndromic surveillance allowed the collection of data in real time and the subsequent optimization of the response by public health agencies. This method of surveillance should therefore be considered as an essential part of efforts to prevent the health effects of heat waves.

Indexed as

AdolescentAdultAgedAged, 80 and overAge FactorsChildData Interpretation, StatisticalDehydrationEmergency Service, HospitalFeverFranceHospitalizationHot TemperatureHumansHyponatremiaMiddle Aged

Identifiers

PMID19232122
PMCPMC2654446

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Registered trials

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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.