• Der Anaesthesist · Dec 1994

    Review

    [Stress bleeding. 1. Pathogenesis, clinical picture and therapy].

    • M Tryba.
    • Universitätsklinik für Anästhesiologie, Intensiv- und Schmerztherapie, Bergmannsheil, Bochum.
    • Anaesthesist. 1994 Dec 1; 43 (12): 821-34.

    AbstractAcute upper gastrointestinal bleeding in ICU patients has many possible causes: ulcer, adverse drug effects, gastric tube lesion, acute renal or liver failure, or stress-induced gastric mucosal lesion. Stress-induced gastric mucosal lesions typically are multiple superficial erosions, while ulcerations typically occur in patients with head trauma, neurosurgical operation or severe burns. Head trauma and neurosurgical patients are the only ones with increases gastric acid secretion; in general reduced acid secretion can be observed in ICU patients. An active acid secreting stomach has been shown to be more resistant against mucosal damage than a stomach with basal activity. Active acid secretion depends on sufficient oxygen supply and mucosal ATP content. Hypotension and shock results in gastric mucosal ischaemia. These are the most important risk factors of stress bleeding.

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