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A dye study of the dialysis access to detect stenosis — the diagnostic step before access angioplasty.
A fistulogram images the fistula or graft under fluoroscopy to find stenosis, aneurysm, or thrombus. Findings guide angioplasty or surgical revision. Access surveillance (flow monitoring, physical exam) triggers fistulograms before thrombosis occurs.
The surgical connection created to allow blood to flow between the patient's circulatory system and the dialysis machine during hemodialysis sessions.
A surgical connection between an artery and a vein, typically in the forearm, created to provide reliable vascular access for hemodialysis.
Narrowing of a dialysis fistula or graft — the leading cause of access failure and thrombosis.
Balloon dilation of a narrowed dialysis access to restore flow — the standard endovascular treatment for stenosis.
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This content is a general reference, not medical advice, a diagnosis, or a treatment plan. Do not change your diet, fluids, medicines, or dialysis plan without your nephrologist or renal dietitian. Individual recommendations depend on your labs, medications, conditions, and care plan.