Could oral bacteria play a role in intracranial aneurysm etiology?
Certain oral health issues could be linked to a greater risk of cerebral artery aneurysm development and rupture, according to a news article in Dentistry IQ.
Although previous studies have identified modifiable risk factors such as hypertension and smoking status in patients with aneurysms, a large proportion of patients may not have any contributing factors. In a doctoral study conducted in Finland, an investigator examined 13 years of follow-up data to explore the relationship between gingivitis, periodontitis, dental decay, missing teeth and cerebral artery aneurysm.
The investigator discovered a potential link between severe gingivitis and periodontitis and the presence of cerebral artery aneurysms and their subsequent rupture. However, there were no correlations between dental decay and aneurysm presence or rupture. Additionally, the investigator revealed that antibodies against pathogenic oral bacteria were identified in the blood samples of those with aneurysms, indicating either a direct or indirect link between oral microbiota and aneurysms.
The findings further highlighted the oral-brain connection and the critical need for interventions designed to improve periodontal care with the goal of preserving cerebrovascular health — particularly among patients with unruptured aneurysms.
Read more: Dentistry IQ
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