Coronary artery aneurysms are defined as a focal dilatation of the coronary artery by at least 50% compared to a nearby artery or adjacent arterial segment and involve <50% of the artery length.the right CA is the most common site of aneurysm.
#Causes:
*atherosclerosis…50%
*congenital…17%
*mycotic…-syphlis-…10%
*vasculitis…Kawasaki disease is the most common…,takayso disease.
*autoimmune dis…like SLE, scleroderma
*CTD:marfan syn,ehler danlos syn
*trauma. *rheumatic. R.fever&SBE
*CA emboli
*iatrogenic like cathrterization,stent application
#TYPES:
1-true aneurysm
2-false aneurysm
Shape:
*saccular…fusiform…
#Clinical_feature:
*asymptotic
*symptomatic: chest pain,dyspnae,palpitation
*pt may present with conjestive HF.
#COMPLICATIONS:
*diliatio of CA >rupture
*hemorrhage. *CHF
#Treatment_options:
- medical: antiplatlet& anticoagulant.
**surgical: resection…if symptomatic, associated with stenosis or calcification.
