Introduction A TIVAD(totally implantable venous access device)catheter is inserted into one of the large veins,usually the superior vena cava(SVC),to gain permanent central venous access.The tip of the catheter sits j...Introduction A TIVAD(totally implantable venous access device)catheter is inserted into one of the large veins,usually the superior vena cava(SVC),to gain permanent central venous access.The tip of the catheter sits just above the heart in the distal third of the SVC and the other end is attached to the silicon rubber port that sits underneath the skin of the anterior chest wall fixed to the fascia of the pectoralis major muscle at the lateral part of the second rib[1].When the access is made through the right internal jugular vein(IJV),complications are fewer compared to cannulation of the left IJV or subclavian veins[2,3].One of the issues that is frequently encountered during catheter placement in the right IJV is the kinking of the catheter,leading to compromised or absent flow despite successful cannulation and positioning of the central venous catheter.展开更多
文摘Introduction A TIVAD(totally implantable venous access device)catheter is inserted into one of the large veins,usually the superior vena cava(SVC),to gain permanent central venous access.The tip of the catheter sits just above the heart in the distal third of the SVC and the other end is attached to the silicon rubber port that sits underneath the skin of the anterior chest wall fixed to the fascia of the pectoralis major muscle at the lateral part of the second rib[1].When the access is made through the right internal jugular vein(IJV),complications are fewer compared to cannulation of the left IJV or subclavian veins[2,3].One of the issues that is frequently encountered during catheter placement in the right IJV is the kinking of the catheter,leading to compromised or absent flow despite successful cannulation and positioning of the central venous catheter.
