Table 1 Definition of complications in the SRR
Complication category | Complication registered in SRR | Definition of complication in SRR |
|---|---|---|
Bleeding | Bleeding | Is registered if it leads to blood transfusion. Reoperation, hospitalization, or prolonged hospitalization |
Thrombosis/occlusion | Thrombosis/occlusion | That leads to intervention or AVF abandonment |
Stenosis | Stenosis vein Stenosis artery Stenosis vein + vein branches Stenosis artery + vein | Is registered if it leads to angioplasty or if the velocity is 2.5-times increased measured with duplex ultrasound or > 50% reduction in the diameter measured with venography |
Infection | Infection Infection - local Infection - general | Local or general infection originating in the AVF and needs treatment with antibiotics |
Other | Stenosis central vein Stenosis central vein + other stenosis | The stenosis is called central from the beginning of the vena cephalica in the vena subclavia or proximal of this point; stenosis in central vein registered even though it doesn’t lead to an intervention |
Steal syndrome Vein branches Other | That leads to intervention or AVF abandonment | |
Low flow High flow | That leads to intervention or AVF abandonment | |
Aneurysm | Pseudoaneurysm Aneurysm | That leads to intervention or AVF abandonment |
Cannulation difficulty | Cannulation difficulty | That leads to intervention or AVF abandonment |
Infiltration | Infiltration | That leads to intervention or AVF abandonment |