Uremia

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Uremia
Synonyms	N/A
Pronounce	N/A
Specialty	N/A
Symptoms	Fatigue, nausea, vomiting, anorexia, pruritus, confusion, seizures
Complications	Pericarditis, encephalopathy, bleeding diathesis
Onset	Gradual
Duration	Variable
Types	N/A
Causes	Chronic kidney disease, acute kidney injury
Risks	Diabetes mellitus, hypertension, glomerulonephritis
Diagnosis	Blood urea nitrogen (BUN) and creatinine levels, clinical evaluation
Differential diagnosis	Hepatic encephalopathy, metabolic acidosis, electrolyte imbalance
Prevention	N/A
Treatment	Dialysis, kidney transplantation
Medication	N/A
Prognosis	Variable, depends on underlying cause and treatment
Frequency	Common in advanced kidney disease
Deaths	N/A

Uremia

Uremia is a clinical condition associated with the accumulation of urea and other nitrogenous waste products in the blood, which are normally excreted by the kidneys. This condition is often a result of chronic kidney disease (CKD) or acute kidney injury (AKI).

Signs and Symptoms

The symptoms of uremia can vary widely but often include fatigue, nausea, vomiting, anorexia, and neurological disturbances such as confusion or seizures. Patients may also exhibit signs of pericarditis, pleuritis, and uremic frost, a condition where urea crystals deposit on the skin, particularly noticeable on the face and scalp.

Pathophysiology

Uremia occurs when the kidneys are unable to filter waste products from the blood effectively. This leads to an accumulation of urea and other toxins, which can affect multiple organ systems. The exact mechanisms by which these toxins cause symptoms are complex and involve alterations in metabolic processes, inflammation, and oxidative stress.

Diagnosis

Diagnosis of uremia is primarily based on laboratory tests that show elevated levels of blood urea nitrogen (BUN) and creatinine. Additional tests may include electrolyte levels, complete blood count, and imaging studies to assess kidney function and structure.

Treatment

The primary treatment for uremia is addressing the underlying cause of kidney dysfunction. In cases of chronic kidney disease, this may involve lifestyle changes, medications, and eventually dialysis or kidney transplantation. Acute kidney injury may require temporary dialysis until kidney function recovers.

Prognosis

The prognosis for individuals with uremia depends on the underlying cause and the effectiveness of treatment. Early detection and management of kidney disease can improve outcomes significantly.

See also

• Chronic kidney disease
• Acute kidney injury
• Dialysis
• Kidney transplantation