

Dr. Mahdi Ghazi is a highly skilled urologist and surgeon based in Mashhad, Iran, with international training and decades of […]
Kidney disease, also known as renal disease or nephropathy, is a broad term for conditions that cause damage to the kidneys and impair their ability to filter waste from the blood effectively. This damage can range from mild to severe and, if left unmanaged, can progress to complete kidney failure.
Kidney diseases are often categorized by the presence or absence of inflammation:
Nephritis: This refers to kidney diseases characterized by inflammation. This inflammation can affect different parts of the kidney, leading to various conditions (such as glomerulonephritis or pyelonephritis). Nephritis is often associated with nephritic syndrome, which may involve symptoms like blood in the urine and high blood pressure.
Nephrosis (or Nephropathy): This term describes non-inflammatory kidney diseases that primarily damage the kidney’s filtering units. This damage often leads to nephrotic syndrome, characterized by high levels of protein in the urine, low blood protein levels, and significant swelling.
Kidney damage can result from a variety of causes, including:
Autoimmune conditions: Such as IgA nephropathy, where immunoglobulin A deposits build up in the kidney’s filters (glomeruli).
Toxicity: From long-term use of certain medications (e.g., analgesics like NSAIDs), chemotherapy drugs, or prolonged exposure to heavy metals like lead.
Genetic disorders: Such as xanthine oxidase deficiency.
Other common underlying conditions like diabetes and high blood pressure are also major contributors to chronic kidney disease.
Chronic kidney disease is often progressive, meaning it can worsen over time. The most advanced stage is called end-stage renal disease (ESRD), where the kidneys have lost nearly all their function. At this stage, life-sustaining treatments like dialysis or a kidney transplant are necessary.
A cornerstone of managing kidney disease is dietary modification. The goal is to reduce the workload on the kidneys and slow the progression of the disease. Working with a renal dietitian is crucial. They typically recommend a personalized plan that may involve carefully monitoring and limiting:
Protein: To reduce waste buildup in the blood.
Sodium: To help control blood pressure and fluid retention.
Potassium and Phosphorus: As impaired kidneys can’t properly remove these minerals, and high levels can be dangerous.
This nutritional approach is a powerful tool to help patients maintain better health, manage symptoms, and improve their quality of life.
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