Kidney transplantation is a life-saving procedure for patients with end-stage renal disease (ESRD) or chronic kidney disease (CKD) who no longer respond to conventional treatments. The kidneys are two bean-shaped organs located on either side of the spine, just below the rib cage. They perform several crucial functions:

  • Filtering Blood: Remove waste products, excess fluids, and electrolytes to form urine.
  • Regulating Blood Pressure: Balance salt and water levels and release hormones like renin.
  • Maintaining Electrolyte Balance: Keep levels of sodium, potassium, and calcium within a narrow range.
  • Producing Hormones: Erythropoietin (stimulates red blood cell production) and calcitriol (active form of vitamin D).

The main causes of kidney failure, or renal failure, occurs when the kidneys lose their ability to function effectively and includes:

  • Diabetes: High blood sugar levels damage the blood vessels in the kidneys.
  • Hypertension: Damages the small blood vessels in the kidneys.
  • Glomerulonephritis: Inflammation of the kidney’s filtering units (glomeruli).
  • Polycystic Kidney Disease: Genetic disorder characterized by numerous cysts in the kidneys.
  • Chronic Kidney Disease: Resulting from long-term conditions such as lupus, recurrent kidney infections, or urinary tract obstructions.

Kidney Transplant Process

Not all patients with kidney failure are candidates for transplantation. Eligibility depends on several factors, including overall health, age, presence of other significant medical conditions, and psychosocial factors.

Evaluation and Eligibility

1. Health Assessment: Patients must be healthy enough to undergo surgery and tolerate lifelong immunosuppressive medication.

2. Age Consideration: No strict age limit, but age and life expectancy are considered.

3. Medical Conditions: Significant conditions like heart disease, cancer, or active infections must be evaluated.

4. Psychosocial Factors: Mental health, social support systems, and the ability to adhere to post-transplant care are assessed.

The evaluation process includes blood tests, imaging tests, heart and lung evaluations, and a psychological assessment. Once approved, patients are placed on the transplant waiting list.

Sources of Donor Kidneys

  • Deceased Donors: Kidneys from individuals who have died and whose families have consented to organ donation.
  • Living Donors: Kidneys donated by living individuals, usually family members or close friends. Living donor transplants often have better outcomes due to shorter waiting times and better genetic matches.

Preoperative Preparation

Before surgery, patients undergo a thorough medical evaluation and preoperative preparation, including fasting, additional blood and imaging tests, and instructions on medication management.

Kidney Transplant Surgery typically lasts 3-5 hours and involves:

  • General Anaesthesia: To ensure the patient is unconscious and pain-free.
  • Surgical Incision: Made in the lower abdomen.
  • Placing the Donor Kidney: Connected to the patient’s blood vessels and ureter.
  • Closing the Incision: Sutures or staples are used.

Post-Transplant Care

Post-transplant care is crucial for the success of a kidney transplant and involves:

1. Immediate Post-Operative Care

  • Hospital Monitoring: Close monitoring for several days to ensure the new kidney is functioning properly.
  • Frequent Blood Tests: To check kidney function and monitor for signs of rejection or infection.
  • Medication Management: Immediate start of immunosuppressive medications to prevent rejection.
  • Fluid Management: Ensuring proper kidney function.

2. Long-Term Care

  • Regular Follow-Up Appointments: To monitor kidney function and adjust medications.
  • Lifelong Immunosuppressive Therapy: To prevent rejection.
  • Healthy Lifestyle: Balanced diet, regular exercise, avoiding smoking and excessive alcohol consumption.
  • Monitoring for Complications: Watching for signs of rejection, infections, and side effects from medications.

Patients must be aware of potential complications, including:

  • Rejection: The body’s immune system attacks the transplanted kidney, which can occur as hyperacute rejection (minutes to hours), acute rejection (first few months), or chronic rejection (over years).
  • Infections and Medication Side Effects: Immunosuppressive medications increase the risk of infections and can have side effects such as high blood pressure, diabetes, osteoporosis, weight gain, and gastrointestinal issues.

Emotional and financial support is essential for patients and their families:

  • Professional Counselling and Support Groups: To help cope with the emotional challenges.
  • Family Support: Providing emotional backing during recovery.
  • Financial Assistance: Through insurance coverage, government programs like Medicare and Medicaid, and charitable organizations to help cover transplant-related expenses.

Kidney transplantation offers a new lease on life for patients with ESRD or CKD. Understanding the kidney transplant process, post-transplant care, and potential complications can help patients and their families make informed decisions and manage their journey more effectively. With the right care and support, kidney transplant recipients can enjoy a significantly improved quality of life.

Disclaimer: The views expressed in this article are of the author and not of Health Dialogues. The Editorial/Content team of Health Dialogues has not contributed to the writing/editing/packaging of this article.
Dr N Pavan Kumar Rao
Dr N Pavan Kumar Rao

Dr N Pavan Kumar Rao (MBBS, MD (Paediatrics), DM (Nephrology)) is a Senior Consultant Nephrologist at TX Hospitals, Hyderabad. He has over 15 years of experience in the field of Nephrology. He specialises in Peritoneal dialysis: CAPD, APD, Renal transplantation: live and cadaver, Across ABO transplant, Swap transplant, Dialysis: CRRT and General Nephrology.