Image-guided care for kidney conditions and dialysis access
Interventional radiology plays an important role in the care of patients with kidney disease, particularly when vascular access, urinary drainage or targeted renal procedures are required. These procedures use imaging guidance to reach the required blood vessel, kidney or urinary tract with precision.
Dr. Yugal Goyal provides renal and vascular interventional services in Siliguri, including dialysis access interventions, central venous catheter placement, renal artery procedures, renal biopsy and percutaneous nephrostomy.
An arteriovenous (AV) fistula or graft provides access to the bloodstream for haemodialysis. Over time, narrowing or blockage can affect its function.
Image-guided procedures such as balloon angioplasty and stenting may be used in selected cases to improve or restore blood flow through the dialysis access.
When an AV graft develops a narrowing that affects dialysis access, an interventional procedure may be considered to restore blood flow and maintain access function.
The appropriate treatment depends on the location and extent of the narrowing and the condition of the access.
A Permcath, or tunneled haemodialysis catheter, provides vascular access for patients who require haemodialysis.
The catheter is placed into a large vein using image guidance, allowing blood to be taken for dialysis and returned to the bloodstream.
Temporary central venous catheters may be placed when short-term vascular access is required. Common access sites include the internal jugular or subclavian veins.
Image guidance helps with accurate catheter placement and can improve procedural safety.
Narrowing of the renal arteries can affect blood flow to the kidneys and may contribute to renovascular hypertension in selected patients.
Renal artery angioplasty uses a balloon to widen a narrowed section of the artery. In appropriate cases, a stent may also be placed to help maintain the opening.
A renal biopsy involves obtaining a small sample of kidney tissue for laboratory examination. When indicated, ultrasound or CT guidance can help the doctor accurately target the kidney during the procedure.
A biopsy may provide important information when the underlying cause of a kidney problem cannot be determined through other investigations.
Percutaneous nephrostomy, or PCN, involves placing a small drainage tube directly into the kidney to drain urine when normal urinary flow is blocked.
The procedure is performed using imaging guidance and may be considered in selected cases of urinary obstruction.
The appropriate procedure depends on the patient's kidney function, symptoms, imaging findings, dialysis requirements and overall medical condition.
Before an intervention, the relevant imaging and clinical information are reviewed to determine whether an image-guided approach is suitable.
It is an image-guided procedure used to treat problems affecting an AV fistula or graft that is used for haemodialysis.
A Permcath is a tunneled central venous catheter that can provide vascular access for haemodialysis.
Renal artery angioplasty may be considered when significant narrowing of a renal artery affects blood flow to the kidney and treatment is clinically appropriate.
A renal biopsy removes a small sample of kidney tissue for detailed laboratory examination to help determine the cause or nature of certain kidney conditions.
A nephrostomy provides a route for urine to drain directly from the kidney when normal drainage through the urinary tract is blocked.
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