Introduction:

Acute ischemic gangrene of the anus is an infrequent entity, with little published literature, whose reported mortality figures are 20-40% of cases. It should be considered in elderlies with atherosclerotic disease who present lower gastrointestinal symptoms and hypotensive shock. It can be caused by acute vascular occlusion, severe vascular disease, or a low-flow state, although in some cases it presents without pre-existing vascular disease.

Objective:

To present the existing literature on diagnostic and therapeutic management of ischemia of the anal canal upon the base of a clinical case diagnosed and treated as an urgency at Marina Baixa hospital.

Clinical case:

The case is presented of a 76-year-old patient with spontaneous ischemia of the anal canal and associated cardiovascular morbidity. It debuts as a septic condition without evidence of a triggering cause.

Conclusions:

Endoscopic and radiological tests should be performed urgently. Surgical assessment is always justified in these patients, due to the high mortality rate described in the conservative management of the condition. In severe cases, preoperative resuscitation and urgent surgery to resect the gangrenous segment is necessary. However, managment of acute ischemic proctitis is controversial and depends, in part, on the patient's baseline status and clinical findings, while it is important to examine other possible etiologies of ischemic proctitis and thus determine which patients need early surgical intervention compared to a more conservative attitude.

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