Aaradhya Balaji Kidney Care – Kidney Specialist In Nagpur, Nephrologist, Kidney Transplant, Dialysis & Stone Specialist

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Hemodialysis

Hemodialysis (HD) is a common kidney replacement therapy used to treat individuals with kidney failure (end-stage renal disease). It involves the removal of waste, toxins, and excess fluid from the bloodstream when the kidneys are no longer able to perform these functions effectively.

Hemodialysis is a life-saving treatment for patients with kidney failure, offering effective management of waste removal and fluid balance. Despite its effectiveness, it comes with challenges such as the need for regular, time-consuming treatments, and potential complications. Ongoing support and advancements in dialysis techniques continue to improve outcomes and quality of life for patients.

How Hemodialysis Works

  • Access:

    • A vascular access is created to facilitate blood flow for dialysis. This can be a fistula, graft, or central venous catheter.
    • Fistula: Surgically created connection between an artery and vein in the arm.
    • Graft: A synthetic connection between an artery and vein.
    • Central Venous Catheter: Temporary access using a catheter inserted into a large vein, commonly used for short-term dialysis.

  • Dialysis Machine and Filter:

    • The patient’s blood is drawn from the access point and filtered through a machine containing a special filter called a dialyzer (artificial kidney).
    • Waste products, excess fluids, and toxins are removed, while essential nutrients are retained.

  • Blood Return:

    • Cleaned blood is then returned to the body through the vascular access.

Procedure Overview

  • Hemodialysis sessions typically last 3-5 hours.
  • Treatment is usually performed three times per week.
  • Blood is cycled through the dialysis machine, and after treatment, patients may feel fatigued or refreshed depending on their condition and fluid balance.

Advantages of Hemodialysis

  • Effective Waste and Fluid Removal:
    • Efficient in removing toxins, excess fluid, and waste products from the blood.
  • Widely Available:
    • Offered at dialysis centers and hospitals, ensuring accessibility for most patients.
  • Short-Term Access:
    • Catheters provide a temporary solution for immediate dialysis needs if a permanent access is not yet established.

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When is Hemodialysis Needed?

  • End-Stage Renal Disease (ESRD):
    • When kidney function declines to a point where the kidneys can no longer support basic bodily functions.
  • Acute Kidney Injury (AKI):
    • In severe cases of temporary kidney failure, hemodialysis may be required until kidney function is restored.

Preparation and Lifestyle Changes

  • Dietary Changes:
    • Limit protein, potassium, sodium, and fluid intake to avoid complications like hyperkalemia and fluid overload.
  • Lifestyle Modifications:
    • Regular exercise and a healthy diet can improve outcomes.
  • Mental and Emotional Support:
    • Patients may experience anxiety, depression, or stress related to their condition and treatment schedule.
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