Scientists from the national cerebral and cardiovascular center in Osaka have found that the Streptococcus anginosus bacteria, usually living in the oral cavity and intestines, may be associated with the risk of stroke and the worst estimates for patients. Research Results published Nature magazine.
The study was carried out on the basis of the largest stroke center in Japan. Scientists analyzed the number of bacteria in the saliva and intestines in patients with stroke and compared them with the data of the control group. The results have shown that Streptococcus Anginosus is much more common in acute stroke patients than a group without similar health problems.
Scientists calculated that the presence of Streptococcus Anginosus in the intestine was associated with a 20% increase in the risk of stroke after accounting of vascular risk factors. At the same time, the intestinal bacteria, which were thought to be useful, were associated with a decrease in the risk of this vascular event and more appropriate results.
The study was presented at the International Conference of 2025 in the American Association.
“In the future, if a quick test is developed to detect such bacteria in the oral cavity and intestines in the future, we can use this information to assess the risk of stroke. The national cerebral and cardiovascular center in Osaka.
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Source: Gazeta
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