Kidney Transplant or Dialysis for Kidney Failure? A Comparative Guide

In cases of advanced kidney failure, a kidney transplant offers a significantly longer and higher-quality life compared to dialysis treatment for eligible patients. Recent medical research clearly demonstrates that a successful transplant frees the patient from machine dependency, provides dietary freedom, and serves as a more cost-effective solution in the long run for both the healthcare system and the patient. Dialysis, on the other hand, is a vital, reliable, and indispensable bridge treatment for patients waiting for a transplant or those medically ineligible for one.

At a Glance

• A kidney transplant significantly increases life expectancy and daily quality of life compared to dialysis.
• While dialysis requires visiting the hospital on specific days of the week, a transplant allows a full return to normal life.
• Organ transplant requirements include the patient's general surgical fitness and tissue compatibility with the donor.
• Transplants can be performed from a living donor or a brain-dead individual (cadaver).
• It is medically possible to undergo a kidney transplant directly without ever starting dialysis (preemptive transplant).

What is Kidney Failure and What Are the Main Treatment Options?

The kidneys are vital organs that filter waste products from the body to be excreted through urine, balance blood pressure, and support blood production. Chronic kidney failure is a condition where the kidneys gradually lose these functions over months or years. When the disease reaches the end stage (Stage 5), the kidneys operate at less than fifteen percent of their capacity. At this point, external medical support is required to clear the toxins accumulating in the body.

At this stage, you face two primary treatment options: dialysis and a kidney transplant. Dialysis is a method that artificially takes over the kidney's filtering function through a machine (hemodialysis) or the abdominal lining (peritoneal dialysis). A kidney transplant, meanwhile, involves surgically placing a healthy kidney into the body to take over the duties of the failing kidneys. Both methods are life-saving; however, the most appropriate option is determined together with your physician based on your age, general health condition, and any accompanying illnesses.

Causes and Risk Factors Leading to the Disease

There are many different factors that cause the kidneys to fail. In Türkiye and around the world, the two most common causes of end-stage kidney failure are Type 2 diabetes and uncontrolled hypertension. Over the years, high blood sugar and high blood pressure cause permanent damage to the fine clusters of blood vessels (glomeruli) inside the kidney, impairing its ability to filter.

In addition, kidney inflammations (glomerulonephritis), genetically inherited polycystic kidney disease, and severe recurrent urinary tract infections starting from childhood pave the way for kidney failure. Risk factors include obesity, advanced age, a family history of kidney disease, and the unconscious consumption of unprescribed painkillers. Particularly in Türkiye, daily salt consumption is well above the global average, which is an important lifestyle factor that triggers hypertension and directly threatens kidney health.

Symptoms of Advanced Kidney Failure

Kidney failure is a disease that progresses silently; it usually causes no noticeable complaints in its early stages. However, as kidney function significantly declines, various symptoms emerge due to the accumulation of waste products and excess fluid in the body. One of the most common early symptoms is the need to urinate frequently at night or a visible decrease in urine volume.

As the disease approaches the end stage, symptoms intensify. Noticeable swelling (edema) occurs in the ankles, legs, and around the eyes. Due to fluid accumulation in the lungs, shortness of breath is experienced while lying down or exerting effort. The increase of toxic substances like urea and creatinine in the blood causes a metallic taste in the mouth, loss of appetite, severe morning nausea, vomiting, and widespread skin itching. Additionally, a profound sense of fatigue, exhaustion, and pale skin color (anemia) stand out as a result of the kidneys failing to produce enough blood-building hormones.

Diagnosis: How is it Diagnosed at the Hospital?

The diagnosis of kidney failure is made through simple yet highly reliable laboratory tests performed at the hospital. Your physician will first request a blood test to measure your serum creatinine and urea levels. Using the creatinine value, the Glomerular Filtration Rate (GFR), which indicates how much blood the kidneys filter per minute, is calculated. A GFR value dropping below 15 indicates end-stage kidney failure.

Alongside blood tests, a complete urinalysis is performed. It is examined whether there is protein leakage (proteinuria) or microscopic bleeding in the urine. A urinary ultrasound is taken to view the physical structure and size of the kidneys, and to check for any blockages in the urinary tract (such as large kidney stones). In some cases, to determine the exact cause of the disease, a biopsy may be necessary, which involves taking a small tissue sample from the kidney under local anesthesia.

Comparative Guide: Transplant or Dialysis?

When making a treatment decision, it is of great importance to know the effects of both methods on daily life.

The Dialysis Treatment Process

Hemodialysis typically requires being connected to a machine at a dialysis center for four hours, three days a week. This process keeps the patient alive by clearing excess fluid and toxins from the body. However, the daily fluid intake (water, tea, soup) and nutrition (foods containing potassium and phosphorus) of dialysis patients must be under the strict supervision of a dietitian. Peritoneal dialysis, on the other hand, is applied daily by the patient themselves at home; although it offers a more flexible lifestyle, it requires meticulous hygiene in terms of infection risk.

Advantages of a Kidney Transplant

When successful, a kidney transplant completely frees the patient from dependence on a dialysis machine. Post-transplant, patients are largely relieved from strict diets and fluid restrictions, and they can comfortably return to their work or education lives and travel plans. Statistically, the life expectancy of patients who receive a kidney transplant is significantly longer than those who remain on dialysis. Especially for pediatric patients, a transplant is the primary option to ensure healthy growth and development can continue. For more detailed information on this topic, you can review our article titled The Pediatric Organ Transplant Process and the Vital Importance of Donation.

Organ Transplant Requirements

To undergo a transplant, the patient must pass a detailed cardiological, oncological, and psychiatric evaluation, and must not have an active infection or untreated cancer. Transplants can be performed from relatives up to the fourth degree (living donor) or from brain-dead donors (cadaver). The donor's blood group compatibility and tissue tests are meticulously examined. Increasing awareness of organ donation in society is a source of hope for patients on cadaver waiting lists. You can get information about the donation process from our article How to Donate Organs and Who Can Be a Donor?.

Complications and Risk Groups

As with any medical intervention, dialysis and transplant processes have their own inherent risks. During hemodialysis treatment, sudden drops in blood pressure, severe muscle cramps, headaches, and fatigue are common side effects. Undergoing dialysis for many years places an extra burden on the cardiovascular system. Additionally, there are risks of infection and blockage in the vascular access (fistula) opened for dialysis or the inserted catheter.

The biggest risk of a kidney transplant is the possibility of the body rejecting the new organ. To prevent this, patients must use immunosuppressive drugs for life. While these medications ensure the organ functions healthily, they make the patient more susceptible to infections like the flu and pneumonia, and in the long term, to certain skin conditions. However, with regular physician check-ups, blood tests, and the correct medication dosage, the vast majority of these complications are successfully managed.

When to See a Doctor?

It is of vital importance for patients diagnosed with kidney failure, undergoing dialysis, or who have had a transplant to closely monitor changes in their bodies. If you experience any of the following symptoms, you should immediately apply to the physician or hospital managing your treatment without wasting time:

• Redness, increased heat, swelling, or inflamed discharge at the dialysis catheter or fistula site.
• Sudden onset of high fever, chills, or tenderness and pain in the transplanted kidney area (usually the lower abdomen) after a transplant.
• A sudden, severe decrease in urine volume or the appearance of blood in the urine.
• Unexplained, rapid weight gain during daily weight tracking (a sign of fluid accumulation in the body).
• Severe nausea, vomiting, and inability to take oral medications.

If you experience emergencies such as sudden and persistent shortness of breath, a feeling of pressure in the middle of the chest, severe chest pain, confusion, or fainting, you should immediately call the 112 Emergency Helpline.

The Process at BHT CLINIC

To protect your kidney health, diagnose failure early, and create the most accurate treatment plan, our hospital's Nephrology department is at your service with its expert staff. When you apply to our hospital, your kidney functions are examined in detail in our advanced technology laboratories. In cases requiring dialysis treatment, your process is initiated in our comfortable units; for our patients planned for a kidney transplant, organ transplant preparation tests are meticulously coordinated with a multidisciplinary approach. Our 24/7 emergency department is ready to instantly intervene in any sudden complications kidney patients may experience. On the day of your appointment, bringing all your previous blood tests, ultrasound reports, and a list of your current medications will speed up the evaluation process.

Frequently Asked Questions

How long does a dialysis patient live?

The life expectancy of dialysis patients varies depending on the patient's age and other accompanying health problems such as diabetes or heart disease. Thanks to advancing technology and medical care, many patients can sustain their lives on dialysis for decades. However, a kidney transplant is the most effective option that further extends life expectancy compared to dialysis for eligible patients.

Can you get a kidney transplant without going on dialysis?

Yes, when a patient's kidney functions approach the dialysis threshold, it is possible to perform a kidney transplant before ever starting dialysis. This method, called a "preemptive transplant," is medically highly advantageous and increases the success of the organ adapting to the body. For this, a living donor must be ready in advance and their tests completed.

Is a living donor's health endangered by donating a kidney?

Living donor candidates undergo very comprehensive health screenings before donation. Only individuals whose both kidneys are completely healthy and who do not carry a risk of kidney disease in the future are allowed to donate. Living with a single kidney does not shorten the donor's lifespan or restrict their daily life.

Is dialysis needed after a kidney transplant?

Once the transplanted kidney successfully starts functioning, the need for dialysis treatment is completely eliminated. Rarely, especially in transplants from a cadaver, it may take a few days or weeks for the new kidney to start working at full capacity. During this temporary "sleep" period, short-term dialysis support may be required.

Can a transplant recipient lead a normal life?

Absolutely yes. Patients who have had a kidney transplant return to a completely normal life, provided they take their immunosuppressive drugs regularly every day and do not neglect their physician check-ups. They can continue their education, work, play sports, and female patients can have a healthy pregnancy process under physician supervision.

Do not delay your kidney check-ups for a healthy tomorrow; you can book an appointment to meet with our expert physicians and evaluate your treatment options.

This article is for informational purposes only; please consult your physician for diagnosis and treatment.