CLASSIFICAZIONE
PER SEDE
ALTE VIE DIGESTIVE A monte del legamento del Treitz
Table 46-1 -- Common Causes of Upper Gastrointestinal Hemorrhage
NONVARICEAL BLEEDING (80%) PORTAL HYPERTENSIVE BLEEDING (20%)
Peptic ulcer disease 30-50% Gastroesophageal varices >90%
Mallory-Weiss tears 15-20% Hypertensive portal gastropathy <5%
Gastritis or duodenitis 10-15% Isolated gastric varices Rare
Esophagitis 5-10%
Arteriovenous malformations 5%
Tumors 2%
Other 5%
BASSE VIE DIGESTIVE
Table 46-3 -- Differential Diagnosis of Lower Gastrointestinal Hemorrhage
COLONIC BLEEDING (95%) % SMALL BOWEL BLEEDING (5%)
Diverticular disease 30-40 Angiodysplasias
Ischemia 5-10 Erosions or ulcers (potassium, NSAIDs)
Anorectal disease 5-15 Crohn's disease
Neoplasia 5-10 Radiation
Infectious colitis 3-8 Meckel's diverticulum
Postpolypectomy 3-7 Neoplasia
Inflammatory bowel disease 3-4 Aortoenteric fistula
Angiodysplasia 3
Radiation colitis/proctitis 1-3
Other 1-5
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![Chirurgia generale]()
Chirurgia generale
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![Chirurgia - chirurgia generale - Appunti]()
Chirurgia - chirurgia generale - Appunti
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![Chirurgia generale - emorragie digestive]()
Chirurgia generale - emorragie digestive
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![Chirurgia specialistica]()
Chirurgia specialistica
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