Mycotic aneurysms Flashcards
1
Q
Current name
A
infectious aneurysm
Bacterial or fungal ➡️ Mycotic
2
Q
Incidence MA
A
4% from all intracranial aneurysm
3
Q
MC 📍 MA
A
Distal MCA
4
Q
RF MA
A
subacute bacterial endocarditis (SBE)
immunocompromised patients (e.g., AIDS) and drug users
5
Q
Pathology
A
Start from adventitia (outer layer) and spread inward
6
Q
MC bacteria 🦠
A
S. viridans (classic cause of SBE)
S. aureus (cause of acute bacterial endocarditis) ) (pseudomonas, enterococcus, corynebacteria…)
7
Q
TX Abx duration
A
4-6 weeks
8
Q
Follow angio alternative MRA
A
7-10days ➡️ 1 month➡️3 m ➡️ 6 m ➡️12 m
9
Q
Indication for surgery
A
SAH
Increase size after abx
10
Q
MA with SBE need
A
bioprosthetic (i.e., tissue) valves instead of mechanical valves to eliminate the need for risky anticoagulation.
