Which of the following regarding small vessel disease (SVD), cerebral amyloid angiopathy (CAA) and Alzheimer's disease (AD) is not true?

Small vessel disease is a condition in which the walls of the small aeries in the hea are damaged. The condition causes signs and symptoms of hea disease, such as chest pain (angina). Small vessel disease is sometimes called coronary microvascular disease or small vessel hea disease. Ref Harrison20th edition pg 1456