Fact 13: The Role of Microbleeds in CAA
Microbleeds are a fascinating aspect of cerebral amyloid angiopathy. These are tiny deposits of blood in the brain that can occur as the disease progresses.
Microbleeds, visible through advanced brain imaging techniques like magnetic resonance imaging (MRI), can be indicative of vessel damage due to CAA. The presence of these microbleeds provides visual evidence of the brain’s small vessel walls weakening, a hallmark of this condition.
The occurrence of microbleeds might not produce any noticeable symptoms in an individual. However, over time, they contribute to the gradual cognitive decline often seen in patients with CAA.
It’s also worth mentioning that the number of microbleeds may correlate with the severity of CAA. The more microbleeds a person has, the more severe their case of CAA could be, which might necessitate more aggressive management.
Despite their small size, microbleeds play a significant role in understanding and managing CAA. Their presence can act as a marker for disease progression and give insight into the severity of the condition. (13)