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Hyperphosphatemia in patients with advanced CKD is thought to be an important contributor to cardiovascular risk, in part because of endothelial cell (EC) dysfunction induced by inorganic phosphate (Pi). Such patients also have an elevated circulating concentration of procoagulant endothelial
Using the method of electrophoretic separation of isoenzymes of serum alkaline phosphatase the authors confirmed the diagnosis of transient hyperphosphatasaemia in nine children examined in the out-patient department or hospitalized with various diagnoses in the Childrens Hospital. The typical
Tumoral calcinosis is a rare disorder of mineral metabolism among adolescents and young adults characterized by deposition of calcific masses around large joints. It is less commonly reported in pediatric population and commonly mistaken for bone tumors. Typical lab parameters include
BACKGROUND
Vascular calcification, causing cardiovascular morbidity and mortality, is associated with hyperphosphatemia in chronic kidney disease (CKD). In vitro, phosphate induces transdifferentiation of vascular smooth muscle cells to osteoblast-like cells that express alkaline phosphatase (ALP).
Measured levels of serum calcium, phosphate, alkaline phosphatase, and urinary hydroxyproline were measured and calcium-phosphate product was calculated in 20 hyperthyroid patients and 20 normal controls. Eleven of the patients took propranolol 160 mg per day for 28 days. We found that the serum
OBJECTIVE
Hyperphosphatemia is a serious complication of late-stage chronic kidney disease (CKD). Intestinal inorganic phosphate (Pi) handling plays an important role in Pi homeostasis in CKD. We investigated whether intestinal alkaline phosphatase 3 (Akp3), the enzyme that hydrolyzes dietary Pi
The authors determined total alkaline phosphatase activity as well as the activity of placental, bone marrow and liver isoenzymes in sera of 185 pregnant women with normal pregnancy, divided, into 6 groups according to their gestational age (from 20 to 40 weeks' gestation). It was established an
Hyperphosphatemia-induced vascular calcification and higher alkaline phosphatase (ALP) levels-related high-turnover bone diseases are linked to mortality among patients with chronic kidney disease (CKD). Nonetheless, no large epidemiological study in patients with CKD has been conducted to
In order to investigate the dietary effect of calcium on aluminum-induced hypophosphatemia, five types of diet, sucrose, lactose, milk, casein and soy protein, were prepared. These diets differed with regard to Ca concentration, and carbohydrate or protein sources which were expected to modify
The authors describe a neonate who was diagnosed with "perinatal hypophosphatasia". The clinical manifestations in this patient were small head size, soft calvarium (caput membranaceum), and short bowing forearms and legs. Laboratory investigations revealed hypercalcemia at 12.7 mg/dl,
Twenty obligate carriers of infantile hypophosphatasia (HOPS), a severe autosomal recessive metabolic bone disorder, were studied and compared with 36 controls. Decreased serum alkaline phosphatase activity and increased urinary phosphoethanolamine excretion were confirmed in the HOPS carriers.
Since Mai et al. found, with the intestinal lavage technique, that the same dose of elemental calcium given as acetate (Ca Ac) complexed in the gut of uremic patients twice as much phosphate as calcium carbonate (CaCO3) while inducing a rather low calcium absorption, we wanted to see if half the
OBJECTIVE
Chronic kidney disease mineral- and bone disorder (CKD-MBD) has been studied more often in dialysis than in predialysis CKD patients. The association between efficacy of hyperphosphatemia control and chronic renal failure (CRF) progression, prevalence of bone disease and cardiovascular
Vitamin D derivatives correct high bone remodeling by decreasing plasma iPTH concentration in uremic patients with secondary hyperparathyroidism. However, without bone biopsy, plasma iPTH alone might not provide sufficient information regarding vitamin D-induced bone changes. Plasma bone-specific
Sevelamer improves hyperphosphatemia without increasing the calcium load. However, it remains unknown whether sevelamer restores bone metabolism in hemodialysis patients with low bone turnover osteodystrophy and hypoparathyroidism. We investigated the changes in serum intact parathyroid hormone