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abdominal aortic aneurysm
(redirected from Abdominal aortic aneurism)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
abdominal aortic aneurysm (AAA),
abnormal dilatation of the abdominal aorta, usually in an area of severe atherosclerosis.

abdominal aortic aneurysm
A focal aortic dilation of ≥ 50% ↑ in diameter, accompanied by distension and weakened aortic wall Epidemiology Incidence is rising 12/105–1951; 36/105–1980; ♂:♀ ratio 2:1; results in 15,000 deaths/yr–US 1988, population ± 230 x 106 Clinical Sudden, severe abdominal pain radiating to back Diagnosis 100% accuracy with Ultrasonography–Cons Difficult in obese subjects, or with excess bowel gas, periaortic disease, technique does not document proximal or distal ends of aneurysm for surgery Treatment ≥ 5 cm in diameter AAAs should be repaired; therapy of smaller AAAs is controversial Contraindications to elective reconstruction MI in last 6 months, intractable angina or CHF, severe pulmonary insufficiency with dyspnea at rest, severe renal insufficiency, life expectancy of ≤ 2 yrs Prognosis Treatment mortality is ± 6%; 25--40% of untreated cases rupture in 5 yrs, with a 90% mortality if ≥ 5 cm


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In the low back pain section, information about how to screen for important differential diagnoses such as pain referred from abdominal aortic aneurism, genito-urinary system infections, tumours, or other organic disease is not adequately covered.
Doctors feared Brian Davies, 64, of Pendyffryn in Llandudno Junction, had a serious illness - abdominal aortic aneurism - which kills 95% of its victims.
Abdominal aortic aneurism kills around 6,000 men a year and is becoming more common.
 
 
 
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