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The analysis of 402,051 hip replacements showed that 6.2% of metal-on-metal hip implants had failed within five years, compared to 1.7% of metal-on-plastic and 2.3% of ceramic-on-ceramic hip implants. Each 1 mm (0.039 in) increase in head size of metal-on-metal hip implants was associated with a 2% increase in failure rate. [60]
Osteomalacia is a disease characterized by the softening of the bones caused by impaired bone metabolism primarily due to inadequate levels of available phosphate, calcium, and vitamin D, or because of resorption of calcium. The impairment of bone metabolism causes inadequate bone mineralization . Osteomalacia in children is known as rickets ...
Hip spica cast. A hip spica cast is a sort of orthopedic cast used to immobilize the hip or thigh. It is used to facilitate healing of injured hip joints or of fractured femora . A hip spica includes the trunk of the body and one or both legs. A hip spica which covers only one leg to the ankle or foot may be referred to as a single hip spica ...
Vitamin D deficiency is typically diagnosed by measuring the concentration of the 25-hydroxyvitamin D in the blood, which is the most accurate measure of stores of vitamin D in the body. [ 1][ 7][ 2] One nanogram per millilitre ( 1 ng/mL) is equivalent to 2.5 nanomoles per litre ( 2.5 nmol/L ). Severe deficiency: < 12 ng/mL = < 30 nmol/L[ 2 ...
Hyperparathyroidism is an increase in parathyroid hormone (PTH) levels in the blood. [ 1][ 4] This occurs from a disorder either within the parathyroid glands ( primary hyperparathyroidism) or as response to external stimuli ( secondary hyperparathyroidism ). [ 1] Symptoms of hyperparathyroidism are caused by inappropriately normal or elevated ...
Calcific tendinitis is a common condition where deposits of calcium phosphate form in a tendon, sometimes causing pain at the affected site. Deposits can occur in several places in the body, but are by far most common in the rotator cuff of the shoulder. Around 80% of those with deposits experience symptoms, typically chronic pain during ...
July 16, 2024 at 10:15 AM. A Mediterranean-style diet may help lower heart disease-related death risk in cancer survivors, according to a study from Italy. Image credit: Vera Lair/ Stocksy. The ...
Calcium oxalate (in archaic terminology, oxalate of lime) is a calcium salt of oxalic acid with the chemical formula CaC2O4 or Ca (COO)2. It forms hydrates CaC2O4·nH2O, where n varies from 1 to 3. Anhydrous and all hydrated forms are colorless or white.