Neurology: 300,000 people big data study: Air pollution is linked to sudden strokes, cardiovascular events and deaths after strokes

Stroke is one of the leading causes of hospitalization, permanent disability and premature death worldwide, with 6.

Figure 1: Cover art of the paper

Improved survival after stroke may lead to an increasing number of people at risk of post-stroke events, especially due to the growing concern

Data suggest that air pollution is associated with morbidity and mortality from stroke and cardiovascular disease, but there is limited

To make up for the current lack of research, Fei Tian et al.

Figure 2: Graph of the paper results

They searched 318,752 participants

In 3,765,630 person-years of follow-up, they found 5,967 patients with eventful stroke, 2,985 patients with cardiovascular disease after stroke, and 1,020 post-mortal

A positive association of post-stroke cardiovascular disease, particularly nitrogen dioxide [1.

This study provides the first evidence that ambient air pollution is an important factor associated with stroke progression, and its effects vary at different clinical stages