What causes SMA aneurysm?
Superior mesenteric artery (SMA) aneurysms represent approximately 5% of all VAAs. The most common etiology is infectious or mycotic. Other causes include trauma, dissection, atherosclerosis, polyarteritis nodosa, pancreatitis, and neurofibromatosis.
What is SMA aneurysm?
Aneurysms of the superior mesenteric artery (SMA) are an uncommon but lethal entity, which must be treated expeditiously to avoid mortality and high incidence of ischemic small bowel complications.
What size splenic artery aneurysm requires surgery?
A symptomatic aneurysm, an aneurysm of any diameter in a pregnant woman or a woman of childbearing age, and an aneurysm >2 cm are all strong indications for surgery because of a significantly increased risk for splenic artery rupture.
Is renal artery aneurysm curable?
RAA open repair is associated with significant minor morbidity, but rarely a major morbidity or mortality. Aneurysm repair cured or improved hypertension in >50% of patients whose RAA was identified during the workup for difficult-to-control hypertension.
What are the symptoms of splenic artery aneurysm?
Patients with splenic artery aneurysm are usually asymptomatic, only 20% of them have symptoms such as abdominal pain, chest pain and most are diagnosed incidentally. Splenic artery aneurysm can be complicated by rupture resulting in hypovolemic shock, which could be fatal if not treated properly.
What is superior mesenteric artery aneurysm?
A mesenteric artery aneurysm is an aneurysm that occurs in either the inferior or superior mesenteric arteries that carry oxygen rich blood to the gastrointestinal tract (stomach, intestines, colon and rectum). An aneurysm can develop in any blood vessels (arterial or venous) in the body.
How do you get rid of a splenic artery aneurysm?
Open surgery is widely used to treat SAAs, especially for ruptured SAAs. Goals of open surgery include complete aneurysm resection with splenectomy, proximal and distal ligation of the aneurysm, or ligation with arterial reconstruction. The choice of operation depends mostly on the location of the SAA.
When do you treat renal artery aneurysm?
Repair of RAAs is recommended for patients who have medically refractory hypertension, renal artery stenosis (narrowing of the artery), or symptoms (bloody urine or upper abdomen, back or side pain), regardless of the size of the aneurysm.
How is a renal aneurysm treated?
Treatment of a Renal Artery Aneurysm For smaller aneurysms that are not at risk of rupturing, treatment may only involve monitoring. Other forms of treatment include medication, endovascular coiling or surgery.