Unmasking of Previously Asymptomatic Central Venous Stenosis following Percutaneous Transluminal Angioplasty of Hemodialysis Access

The incidence of unmasking of asymptomatic CVS is low. Prophylactic treatment of asymptomatic CVS therefore remains generally inadvisable. However, patients undergoing declotting with extensive collateral vessels might warrant treatment of asymptomatic CVS.