UPDATED June 2024
Understanding the difference between kidney disease and kidney failure is crucial for managing your health. While these terms are often used interchangeably, they refer to different stages and conditions of kidney health.
Kidney Failure
Kidney failure, also known as End-Stage Renal Disease (ESRD), occurs when your kidneys can no longer perform their vital function of removing waste and excess fluids from your body. This stage is defined by having 15% or less of normal kidney function. Without intervention, such as dialysis or a kidney transplant, kidney failure can be life-threatening.
Kidney Disease
Kidney disease refers to conditions that damage your kidneys and decrease their ability to keep you healthy by filtering waste from your blood. Kidney disease is typically categorized into five stages, with each stage representing a progression of the disease.
Stage 1:Â Normal kidney function but evidence of kidney damage.
Stage 2:Â Mildly reduced kidney function with kidney damage.
Stage 3:Â Moderately reduced kidney function.
Stage 4:Â Severely reduced kidney function.
Stage 5:Â Kidney failure or very close to kidney failure.
The Progression from Kidney Disease to Kidney Failure
You can have kidney disease without progressing to kidney failure. For instance, individuals in stage 2 of kidney disease have some loss of kidney function but are not yet in kidney failure. It's important to manage kidney disease early to slow its progression.
To learn more about kidney disease and its management, read our detailed article: What is Kidney Failure.
Understanding the stages of Kidney Disease
Understanding Kidney Function
The Kidney as a Filter
Think of the kidney as a sophisticated filter. In the early stages of kidney disease (stage 1), the filter is slightly obstructed but still functions well. As the disease progresses and more obstructions (damage) occur, the filter becomes less effective. By stage 5, the kidneys are unable to filter waste adequately, leading to kidney failure.
Treatments for Kidney Failure
There are two primary treatments for kidney failure:
Kidney Transplant
Living Donor:Â A kidney from a living donor, such as a family member or a stranger, can be transplanted to the patient.
Cadaver Donor:Â A kidney from a deceased donor can also be used for transplantation.
Kidney Dialysis
Hemodialysis:Â This method uses a machine to filter waste and excess fluids from the blood.
Peritoneal Dialysis:Â This involves the introduction of a cleansing fluid into the abdomen, where the lining of the abdomen (the peritoneum) acts as a filter to remove waste from the blood.
The Importance of Early Detection and Management
Early detection and proper management of kidney disease can slow the progression and help avoid kidney failure. Working closely with your healthcare team and educating yourself about the disease are critical steps in managing kidney health.
Conclusion
While kidney disease and kidney failure are related, they are not the same. Kidney disease refers to the gradual loss of kidney function, which can lead to kidney failure if not properly managed. Understanding these differences and the treatment options available is essential for anyone affected by kidney issues.
Note:Â This article is intended for informational purposes only. Please consult your healthcare provider for medical advice and treatment.
For more detailed information on managing kidney disease and kidney failure, visit our website regularly for updates and educational resources. Stay informed and proactive in your healthcare journey.
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