Interventional Radiology for Bleeding Ectopic Varices: Individualized Approach Based on Vascular Anatomy
Hyo-Cheol Kim1, Shiro Miyayama1, Edward Wolfgang Lee1
1From the Department of Radiology, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul 03080, Korea (H.C.K., J.W. Chung., H.J.J., J.W. Choi); Department of Diagnostic Radiology, Fukui-ken Saiseikai Hospital, Fukui, Japan (S.M.); Department of Radiology, Division of Interventional Radiology and Department of Surgery, Division of Liver and Pancreas Transplantation, University of California at Los Angeles Medical Center, David Geffen School of Medicine, Los Angeles, Calif (E.W.L.); and Department of Diagnostic Radiology, Changi General Hospital, Singapore (D.Y.L.).
Interventional radiology is crucial for managing rare ectopic varices. Techniques like transjugular intrahepatic portosystemic shunt and embolization offer effective treatment options for these potentially life-threatening conditions.
Area of Science:
- Interventional Radiology
- Vascular Medicine
- Hepatology
Background:
- Ectopic varices are rare, life-threatening vascular anomalies.
- They arise from portal hypertension and local venous obstruction.
- Management requires advanced imaging and interventional techniques.
Purpose of the Study:
- To outline the essential role of interventional radiology in diagnosing and managing ectopic varices.
- To discuss current interventional techniques for treating ectopic variceal bleeding.
- To emphasize a multidisciplinary approach for individualized patient care.
Main Methods:
- Computed tomography (CT) for diagnosing portal hypertension and evaluating variceal anatomy.
- Transjugular intrahepatic portosystemic shunt (TIPS) placement for decompensated portal hypertension.
- Variceal embolization, retrograde transvenous obliteration, and antegrade transvenous obliteration for targeted treatment.
Main Results:
- TIPS alone may be insufficient; combined with embolization, it improves outcomes.
- Retrograde transvenous obliteration is effective when efferent veins are accessible.
- Antegrade transvenous obliteration is vital for complex anatomy, using superficial veins for access.
Conclusions:
- Interventional radiology is indispensable in ectopic varices management.
- A combination of TIPS and embolization, or obliteration techniques, offers effective treatment.
- Multidisciplinary collaboration and radiologist expertise are key for optimal patient management.
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