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Michael Ertl: Air Pollution and Stroke – Which Patients Are Particularly at Risk?
Michael Ertl/LinkedIn
Jun 5, 2026, 08:10

Michael Ertl: Air Pollution and Stroke – Which Patients Are Particularly at Risk?

Michael Ertl, Medical Director and Chief Physician at District Hospitals of Swabia, shared on LinkedIn about a recent article he and his colleagues co-authored, published in Air Quality, Atmosphere and Health, adding:

”Air pollution and stroke: Which patients are particularly at risk?

I am pleased that our current work from our research group has now been published:
‘The influence of ambient air pollutants on stroke occurrence: a clinically relevant prospective study’

In a prospective analysis of more than 3,100 consecutive stroke patients, we investigated how short-term exposure to air pollutants is related to the occurrence of strokes – and whether certain clinical subgroups are particularly vulnerable.

Key results:

  • NO₂ (nitrogen dioxide) showed the strongest associations with stroke events.
  • Patients with macroangiopathy, diabetes mellitus and arterial hypertension were particularly affected.
  • Particulate matter (PM₁₀) levels were associated with an increased risk of severe stroke, especially in patients requiring thrombectomy.
  • The results suggest that air pollutants are not only a public health issue, but also have direct clinical relevance for neurological care.

The study is based on a prospective stroke registry with detailed clinical phenotyping and provides new clues as to which patient groups may be particularly sensitive to environmental exposure.

Many thanks to all co-authors as well as to the entire team that made the data collection and analysis possible.”

Title: The influence of ambient air pollutants on stroke occurrence: a clinically relevant prospective study

Authors: Bin Zhou, Lino Braadt, Jiancong Wang, Susanne Knöpfle, Melanie Stapf, Markus Naumann, Christoph Knote, Michael Ertl

Michael Ertl: Air Pollution and Stroke - Which Patients Are Particularly at Risk?

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air pollution Bin Zhou Christoph Knote Health Hematology Hemostasis Hemostasis News Hemostasis Today Jiancong Wang Lino Braadt Markus Naumann Medicine Melanie Stapf Michael Ertl stroke Susanne Knöpfle thrombosis
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