Aortic bifurcation syndrome I74.0

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Aorticifurcation occlusion; Leriche Syndrome

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Acute or tardive occlusion of the abdominal artery (aorta) in the area where it branches off into the two iliac arteries (aortic bifurcation syndrome).

Clinical features
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Chronic Leriche Syndrome: in most cases, the closure of the aorta is caused slowly over years by arteriosclerosis, so that by-passes (collaterals) can develop and the symptoms appear with delay. Symptoms depending on the stage of the occlusive arterial disease: pain on exertion such as intermittent claudication, trophic complaints; ischialgiform complaints or impotentia coeundi may also occur.

Mainly men between 50 and 60 years of age are affected (usually strong nicotine abuse).

Acute Leriche syndrome: sudden embolic occlusion of the abdominal aorta due to thrombosis or embolism from arteriosclerotic plaques. Patients with cardiac dysrhythmia (absolute arrhythmia, pacemaker) or artificial heart valve are particularly affected.

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Treatment is by surgery, in chronic Leriche syndrome by fitting a Y-prosthesis, in acute Leriche syndrome by emergency embolectomy of both groin arteries.

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  1. Verma H et al (2013) Surgical and endovascular treatment of occlusive aortic syndromes. J Cardiovasc Surg (Torino) 54(1 Suppl 1):55-69.
  2. Wooten C et al (2014) Anatomical significance in aortoiliac occlusive disease. Clin Anat 27:1264-1274.


Please ask your physician for a reliable diagnosis. This website is only meant as a reference.


Last updated on: 29.10.2020