Updated: 11/23/2019

Portosystemic Anastomoses

0%
Topic
Review Topic
0
0
N/A
N/A
Questions
1
0
0
100%
0%
Evidence
3
0
0
100%
0%
Videos / Pods
1
Topic
Overview
 
Site of Anastomosis Clinical Sign Portal ↔ Systemic
Esophagus
  • Esophageal varices
  • Left gastric ↔ esophageal
Umbilicus
  • Caput medusae
  • Paraumbilical ↔ superficial, inferior, and superior epigastric
Rectum
  • Anorectal varices (someterims referred to as internal hemorrhoids though they are different)
  • Superior rectal ↔ middle and inferior rectal

 
  • Portal hypertension
    • symptoms
      • varices of "gut, butt, and caput (medusae)"
        • esophageal varices
        • caput medusae
        • anorectal varices (sometimes referred to as hemorrhoids)
    • portal-systemic anastomoses
      • inferior esophagus 
        • systemic circulation: esophageal branches of azygos vein
        • portal circulation: esophageal branch of left gastric vein
        • clinical symptom: esophageal varices
      • anal canal (rectum)
        • systemic circulation: middle and inferior rectal vein
        • portal circulation: superior rectal vein
        • clinical symptom: anorectal varices (sometimes referred to as hemorrhoids)
      • paraumbilical region
        • systemic circulation: superficial, inferior, and superior epigastric vein
        • portal circulation: paraumbilical veins
        • clinical symptom: caput medusae
    • treatment
      • relieve portal hypertension by shunting blood to systemic circulation by
        • inserting a portocaval shunt between portal and hepatic vein
        • connecting portal vein to IVC

 

Please rate topic.

Average 4.8 of 8 Ratings

Questions (1)
Question locked
Sorry, this question is for
PEAK Premium Subscribers only
Upgrade to PEAK
Evidence (3)
VIDEOS & PODCASTS (1)
EXPERT COMMENTS (18)
Private Note