Evidence map›Paper›PMID 30423874›Full record

ArticleInternational journal of environmental research and public health2018

Geographic Analysis of Motor Neuron Disease Mortality and Heavy Metals Released to Rivers in Spain.

Germán Sánchez-Díaz, Francisco Escobar, Hannah Badland, Greta Arias-Merino, Manuel Posada de la Paz, Verónica Alonso-Ferreira

Abstract read
In one paragraph

Article in International journal of environmental research and public health, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 2 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

18 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Human Health Effects of Oral Exposure to Chromium: A Systematic Review of the Epidemiological Evidence.International journal of environmental research and public health · 2024
    Pooled it
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  16. ALS risk factors: Industrial airborne chemical releases.Environmental pollution (Barking, Essex : 1987) · 2022
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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

6 authors.

Germán Sánchez-DíazInstitute of Rare Diseases Research (IIER), Instituto de Salud Carlos III, Madrid 28029, Spain. g.sanchez@externos.isciii.es.ORCID 0000-0003-2686-7545
Francisco EscobarDepartment of Geology, Geography and Environmental Sciences, University of Alcala, Alcalá de Henares 28801, Spain. francisco.escobar@uah.es.
Hannah BadlandHealthy Liveable Cities Group, Centre for Urban Research, RMIT University, Melbourne VIC 3001, Australia. hannah.badland@rmit.edu.au.ORCID 0000-0002-8936-2715
Greta Arias-MerinoInstitute of Rare Diseases Research (IIER), Instituto de Salud Carlos III, Madrid 28029, Spain. gretaariasmerino@gmail.com.ORCID 0000-0002-4478-3153
Manuel Posada de la PazInstitute of Rare Diseases Research (IIER), Instituto de Salud Carlos III, Madrid 28029, Spain. mposada@isciii.es.ORCID 0000-0002-8372-4180
Verónica Alonso-FerreiraInstitute of Rare Diseases Research (IIER), Instituto de Salud Carlos III, Madrid 28029, Spain. valonso@isciii.es.ORCID 0000-0002-8560-1336

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The etiology of motor neuron disease (MND) is still unknown. The aims of this study were to: (1) analyze MND mortality at a fine-grained level; and (2) explore associations of MND and heavy metals released into Spanish river basins. MND deaths were extracted from the Spanish nationwide mortality registry (2007⁻2016). Standardized mortality ratios (SMRs) for MND were estimated at a municipal level. Sites that emitted quantities of heavy metals above the regulatory thresholds were obtained from the European Pollutant Release and Transfer Register database (2007⁻2015). The relative risks for non-exposed and exposed municipalities (considering a downstream 20 km river section) by type of heavy metal were analyzed using a log-linear model. SMRs were significantly higher in central and northern municipalities. SMRs were 1.14 (1.10⁻1.17) higher in areas exposed to heavy metals than in non-exposed areas: 0.95 (0.92⁻0.96). Considering the different metals, we found the following increased MND death risks in exposed areas: 20.9% higher risk for lead, 20.0% for zinc, 16.7% for arsenic, 15.7% for chromium, 15.4% for cadmium, 12.7% for copper, and 12.4% for mercury. This study provides associations between MND death risk and heavy metals in exposed municipalities. Further studies investigating heavy metal exposure are needed to progress in MND understanding.

Indexed as

Environmental ExposureHumansMetals, HeavyMotor Neuron DiseaseRisk FactorsRiversSpainWater Pollutants, ChemicalWater Pollution, ChemicalMetals, HeavyWater Pollutants, Chemicalenvironmental factorsgeographical analysisheavy metalsmotor neuron diseasepopulation-based mortality

Identifiers

PMID30423874
PMCPMC6266970

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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.