Uremia
(Redirected from Uremic acidosis)
Uremia, or uremic syndrome, is a clinical condition characterized by an elevated concentration of waste products, such as urea, in the blood due to impaired renal function. This syndrome typically emerges as a consequence of chronic kidney disease (CKD) or acute kidney injury (AKI).
Pathophysiology[edit | edit source]
Uremia arises from the progressive failure of the kidneys to filter and excrete waste products, such as urea and creatinine, which are byproducts of protein and muscle metabolism respectively. The accumulation of these substances in the bloodstream leads to the systemic symptoms and signs of uremia[1].
Clinical Manifestations[edit | edit source]
Uremia presents with a wide range of symptoms, affecting multiple organ systems. These can include fatigue, loss of appetite, nausea, vomiting, pruritus (itching), and a distinctive metallic taste in the mouth. Neurological involvement can lead to cognitive changes, sleep disturbances, altered mental status, and seizures. Cardiovascular complications include hypertension, pericarditis, and increased risk of cardiovascular events. Hematological changes, such as anemia and bleeding tendencies, are also common due to impaired erythropoiesis and platelet dysfunction[2].
Diagnosis[edit | edit source]
The diagnosis of uremia is based on a combination of clinical symptoms and laboratory findings. Key diagnostic indicators include elevated serum urea and creatinine levels and decreased glomerular filtration rate (GFR), which reflects kidney function. Additional tests may be conducted to identify the underlying cause of kidney disease, such as imaging studies and renal biopsy[3].
Management and Treatment[edit | edit source]
Management of uremia focuses on treating the underlying cause, slowing disease progression, and managing symptoms. Renal replacement therapy (RRT), including dialysis and kidney transplantation, is typically required in the late stages of CKD when end-stage renal disease (ESRD) develops. Dialysis (hemodialysis or peritoneal dialysis) assists the kidneys by filtering waste products and excess fluid from the blood. Dietary modifications and medications are also essential components of the management strategy to control blood pressure, correct electrolyte imbalances, and manage anemia[4].
Prognosis[edit | edit source]
The prognosis for uremia largely depends on the severity of kidney dysfunction, the presence of other comorbidities, and the response to treatment. Early detection and management of kidney disease can slow progression to ESRD and improve overall prognosis.
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Contributors: Prab R. Tumpati, MD