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A Closure Look on Hypophosphatemia

Symptoms may incorporate shortcoming, inconvenience breathing, and loss of appetite. Complications may incorporate seizures, trance state, rhabdomyolysis, or relaxing of the bones. Causes incorporate liquor use problem, refeeding in those with hunger, diabetic ketoacidosis, consumes, hyperventilation, and certain drugs. It might likewise happen in the setting of hyperparathyroidism, hypothyroidism, and Cushing syndrome. It is analyzed dependent on a blood phosphate convergence of under 0.81 mmol/L (2.5 mg/dL). When levels are beneath 0.32 mmol/L (1.0 mg/dL) it is considered to be severe.

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Featured

 Hypophosphatemia in the emergency department therapeutics

Although hypophosphatemia is relatively uncommon, it may be seen in anywhere from 20% to 80% of patients who present to the ED with alcoholic emergencies, diabetic ketoacidosis (DKA), and sepsis.

 Phosphate - Hypophosphataemia

The management of patients with hypophosphatemia can be divided into various subgroups based on the severity of the hypophosphatemia and the need for ventilation.

Articles of Interest

Disorders of Phosphate Metabolism: Hypophosphatemia and Hyperphosphatemia

Hypophosphatemia results from decreased dietary intake of phosphate, decreased intestinal phosphate absorption, transcellular shift of phosphate, or renal phosphate wasting (increased excretion). Most cases of hypophosphatemia are acquired and are due to malnutrition [28]. Genetic causes are rare.

Fanconi syndrome

The proximal tubule has numerous functions, including transport of sodium chloride, bicarbonate, glucose, amino acids, organic cations, organic anions, and phosphate. Disruption of proximal tubule function manifests clinically as Fanconi syndrome.

Hypophosphatemia: A Practical Guide to Evaluation and Management

Normal phosphate homeostasis involves several major systems, including the gastrointestinal tract, bones, and kidneys. Phosphate balance is maintained directly and indirectly by 1α,25-dihydroxyvitamin D3, parathyroid hormone, and the osteocyte-derived phosphatonin fibroblast growth factor 23.

Hypophosphatemia: an evidence-based approach to its clinical consequences and management

Optimal cellular function is dependent on maintenance of a normal serum phosphorus concentration. Serum phosphorus concentration is affected by several determinants, the most important of which is regulation of phosphorus reabsorption by the kidney. The majority of this reabsorption (80%) occurs in the proximal tubule and is mediated by an isoform of the sodium–phosphate cotransporter (NaPi-II). Parathyroid hormone, via a variety of intracellular signaling cascades leading to NaPi-IIa internalization and downregulation, is the main regulator of renal phosphate reabsorption.

Hypophosphatemia: An update on its etiology and treatment

Phosphate plays a key role in several biological processes. In recent years, new insights have been obtained into the regulation of the phosphate metabolism, including a growing amount of evidence suggesting that factors other than parathyroid hormone (PTH) and vitamin D are involved in maintaining the phosphate balance. A new class of phosphate-regulating factors, the so-called “phosphatonins,” have been shown to be important in phosphate-wasting diseases. However, the role of the phosphatonins in the normal human homeostasis remains to be established

Multiple Rare Diseases- A Burden or a Blessing?

I try to remain active and cross-train to take the load off of my bones. I swim, row, and cycle. I still run a few miles when I can but not to the extent I was able to or really want to. The diagnosis of hypophosphatasia has been life changing. It has changed the trajectory of the active life I thought that I might have but has added a new purpose to it, a blessing of sorts.

What is HypoPhosPhatasia or HPP?

Hypophosphatasia (hī-pō-ˌfäs-fə-ˈtā-zh(ē-)ə) or HPP is an inherited (genetic) metabolic disorder. People with this condition have low levels of the enzyme alkaline phosphatase (ALP), which often affects the development of bones and teeth. Typically, the earlier HPP symptoms become apparent, the more severe the condition. It is estimated that severe forms of HPP occur in approximately one of every 100,000 live births. While exact numbers are unknown, it is estimated that one out of every 200 Americans may be a carrier for HPP.

Resources

SoftBones

The mission of Soft Bones, Inc. is to provide valuable information, education and support for people living with hypophosphatasia (HPP), their families and caregivers. The Foundation promotes research of this rare bone disease through awareness and fundraising efforts.

EMCrit Project

Generally, the cause of hypophosphatemia can be determined by a history and review of labs and medications. Thus, most patients don't necessarily require an extensive evaluation for the etiology of hypophosphatemia. Persistent or recurrent hypophosphatemia may be a stronger indication for deeper evaluation.

Life in the Fastlane

Beware of phosphate administration in renal failure.

Hypophosphatemia as a novel etiology of Brugada Phenocopy

Laboratory investigations revealed profound hypophosphatemia with phosphate level of 0.47 mmol/L (normal reference: 0.75–1.2 mmol/L) along with mild hypomagnesemia and hypocalcemia, measuring just below normal range. Given the circumstances surrounding the development of the ECG pattern, a preliminary diagnosis of Brugada Phenocopy (BrP) was favored over BrS.

StatPearls

Resorption is regulated by serum phosphate concentration with mild phosphate depletion, which directly triggers increased phosphate reabsorption via the sodium-phosphate cotransporters of the proximal tubule and increases expression and formation for new sodium-phosphate cotransporters. Conversely, parathyroid hormone functions to increase phosphate excretion by inhibiting the activity of sodium-phosphate cotransporters. Additionally, fibroblast growth factor 23, fibroblast growth factor 7, extracellular matrix phosphoglycoprotein, and secreted frizzled-related protein-4 decrease phosphate reabsorption by sodium-phosphate cotransporters. Therefore, any increase in parathyroid hormone has the potential for inducing hypophosphatemia.