Increased respiratory morbidity associated with exposure to a mature volcanic plume from a large Icelandic fissure eruption.

Carlsen, Hanne KrageGothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Institute of Medicine, School of Public Health and Community Medicine (author)

The 2014-15 Holuhraun eruption in Iceland was the largest fissure eruption in over 200 years, emitting prodigious amounts of gas and particulate matter into the troposphere. Reykjavík, the capital area of Iceland (250km from eruption site) was exposed to air pollution events from advection of (i) a relatively young and chemically primitive volcanic plume with a high sulphur dioxide gas (SO2) to sulphate PM (SO42-) ratio, and (ii) an older and chemically mature volcanic plume with a low SO2/SO42- ratio. Whereas the advection and air pollution caused by the primitive plume were successfully forecast and forewarned in public advisories, the mature plume was not. Here, we show that exposure to the mature plume is associated with an increase in register-measured health care utilisation for respiratory disease by 23% (95% CI 19.7-27.4%) and for asthma medication dispensing by 19.3% (95% CI 9.6-29.1%). Absence of public advisories is associated with increases in visits to primary care medical doctors and to the hospital emergency department. We recommend that operational response to volcanic air pollution considers both primitive and mature types of plumes.

MEDICIN OCH HÄLSOVETENSKAP Hälsovetenskap Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi hsv//swe
MEDICAL AND HEALTH SCIENCES Health Sciences Public Health, Global Health, Social Medicine and Epidemiology hsv//eng
Adult
Air Pollutants
analysis
Air Pollution
analysis
Asthma
drug therapy
Delivery of Health Care
Emergency Service
Hospital
Environmental Exposure
adverse effects
Humans
Iceland
epidemiology
Morbidity
Physicians
Primary Care
Public Health
Regression Analysis
Respiratory Tract Diseases
epidemiology
Risk
Self Report
Sulfur Dioxide
analysis
Surveys and Questionnaires
Volcanic Eruptions
adverse effects

Ilyinskaya, Evgenia (author)
Baxter, Peter J (author)
Schmidt, Anja (author)
Thorsteinsson, Throstur (author)
Pfeffer, Melissa Anne (author)
Barsotti, Sara (author)
Dominici, Francesca (author)
Finnbjornsdottir, Ragnhildur Gudrun (author)
Jóhannsson, Thorsteinn (author)
Aspelund, Thor (author)
Gislason, Thorarinn (author)
Valdimarsdóttir, UnnurKarolinska Institutet (author)
Briem, Haraldur (author)
Gudnason, Thorolfur (author)
Göteborgs universitetInstitutionen för medicin, avdelningen för samhällsmedicin och folkhälsa (creator_code:org_t)

By the author/editor: Carlsen, Hanne K ...; Ilyinskaya, Evge ...; Baxter, Peter J; Schmidt, Anja; Thorsteinsson, T ...; Pfeffer, Melissa ...; show more...; Barsotti, Sara; Dominici, France ...; Finnbjornsdottir ...; Jóhannsson, Thor ...; Aspelund, Thor; Gislason, Thorar ...; Valdimarsdóttir, ...; Briem, Haraldur; Gudnason, Thorol ...; show less...

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Health Sciences; and Public Health Gl ...

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