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Hyperphosphatemia is an electrolyte disorder in which there is an elevated level of phosphate in the blood. [1] Most people have no symptoms while others develop calcium deposits in the soft tissue. [1] The disorder is often accompanied by low calcium blood levels, which can result in muscle spasms. [1]
[1] [2] The causes, severity, treatment, and outcomes of these disturbances can differ greatly depending on the implicated electrolyte. [3] The most serious electrolyte disturbances involve abnormalities in the levels of sodium, potassium or calcium. Other electrolyte imbalances are less common and often occur in conjunction with major ...
There have been limited trials comparing phosphate binders to placebo in the treatment of hyperphosphatemia in people with chronic kidney disease. When compared with people receiving calcium-based binders, people taking sevelamer have a reduced all-cause mortality. [4]
[7] [4] This is due to a hyperphosphatemia acting directly on the parathyroid glands. Genetically, those who have an X-linked dominant disorder that disrupts phosphate transport at the renal tubules (X-Linked hypophosphatemic rickets) and are receiving oral phosphate treatment have shown to be at high risk of developing tertiary ...
Nephrocalcinosis is connected with conditions that cause hypercalcaemia, hyperphosphatemia, and the increased excretion of calcium, phosphate, and/or oxalate in the urine. A high urine pH can lead to nephrocalcinosis but only if it is accompanied by hypercalciuria and hypocitraturia , since having a normal urinary citrate usually inhibits the ...
Sevelamer is a phosphate binding medication used to treat hyperphosphatemia in patients with chronic kidney disease. When taken with meals, it binds to dietary phosphate and prevents its absorption. Sevelamer was invented and developed by GelTex Pharmaceuticals.
When kidney function is impaired, phosphate excretion declines. Without specific treatment, hyperphosphataemia occurs almost universally, despite dietary phosphate restriction and conventional dialysis treatment. [12] [13] In patients on dialysis, hyperphosphataemia is an independent risk factor for fractures, cardiovascular disease and mortality.
Hyperphosphatemia causes acute kidney injury in tumor lysis syndrome, because of deposition of calcium phosphate crystals in the kidney parenchyma. [2] Hypocalcemia. Because of the hyperphosphatemia, calcium is precipitated to form calcium phosphate, leading to hypocalcemia. [2] Symptoms of hypocalcemia include (but are not limited to): [9] tetany