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1.
J Bone Miner Metab ; 23(3): 243-52, 2005.
Article in English | MEDLINE | ID: mdl-15838628

ABSTRACT

The increasing rate of hip fractures is giving rise to a number of socioeconomic problems for the aging community. In addition to being unable to resume their previous living habits, many patients fail to achieve full functional recovery after the fractures. Total hip arthroplasty (THA) is a successful operation for the majority of patients with all forms of hip fractures. Dislocation and aseptic loosening are the major reasons for revisions. An additional problem post-THA is the rate of heterotopic soft tissue calcification after total hip arthroplasty, resulting in severely impaired function, pain, and a reduced range of hip motion. In an open study, 37 women who had undergone cementless total hip arthroplasty after accidental hip fractures were treated twice daily with 200 IU salmon calcitonin nasal spray for 12 months. Simultaneously, the patients received one bag of 1000 mg calcium plus 880 IU vitamin D daily throughout the treatment period of 1 year. A parallel group of 38 women with a similar clinical status in terms of hip fractures and cementless total hip arthroplasty were treated with only one bag of 1000 mg calcium plus 880 IU vitamin D daily through the treatment period. The results of this 12-month clinical trial show that 200 IU salmon calcitonin nasal spray per day promotes general independence from foreign assistance, mobility, and fear of further falls in postmenopausal elderly women following THA. Treatment with a salmon calcitonin nasal spray reduces bone turnover serum markers, loss of further bone density, and pain. Additionally, calcitonin promoted the repair of hip fractures and, as a coincidence finding, was associated with a significantly reduced rate of refractures as well as periprosthetic ossifications.


Subject(s)
Analgesics/therapeutic use , Arthroplasty, Replacement, Hip , Calcitonin/therapeutic use , Hip Fractures/surgery , Osteoporosis, Postmenopausal/drug therapy , Administration, Inhalation , Aged , Bone Density , Calcitonin/administration & dosage , Calcium/blood , Calcium/urine , Female , Humans , Osteogenesis , Osteoporosis, Postmenopausal/blood , Osteoporosis, Postmenopausal/urine , Recurrence , Treatment Outcome , Vitamin D/blood , Vitamin D/urine
2.
Wien Klin Wochenschr ; 115(5-6): 186-90, 2003 Mar 31.
Article in English | MEDLINE | ID: mdl-12741080

ABSTRACT

Painful pathological fractures of the femoral neck and the subtrochanteric region of the femur are reported in two women originating from India. After exclusion of renal or intestinal causes, laboratory data on bone metabolism, scintigraphic and radiographic examinations were characteristic for the presence of secondary hyperparathyroidism. Based on vitamin deficiency and low calcium absorption, disturbed mineralization of bone and increased osteoclastic resorption have apparently led to osteomalacia and subsequent fracturing. Fracture localization necessitated surgical fixation in one patient; conservative treatment including protected weightbearing was effective in the other women. After supplementation of calcium and vitamin D3, levels of parathyroid hormone and scintigraphic alterations returned to normal in both patients. In these two cases, pathological fractures of the hip could be attributed to the presence of secondary hyperparathyroidism based on decreased cutaneous vitamin D synthesis.


Subject(s)
Developing Countries , Femoral Neck Fractures/etiology , Fractures, Spontaneous/etiology , Hip Fractures/etiology , Skin Pigmentation/physiology , Skin/metabolism , Vitamin D/biosynthesis , Adult , Austria , Bone Density/physiology , Diagnostic Imaging , Female , Femoral Neck Fractures/diagnosis , Femoral Neck Fractures/physiopathology , Fractures, Spontaneous/diagnosis , Fractures, Spontaneous/physiopathology , Hip Fractures/diagnosis , Hip Fractures/physiopathology , Humans , Hyperparathyroidism, Secondary/diagnosis , Hyperparathyroidism, Secondary/etiology , Hyperparathyroidism, Secondary/physiopathology , India/ethnology , Magnetic Resonance Imaging , Middle Aged , Osteomalacia/diagnosis , Osteomalacia/etiology , Osteomalacia/physiopathology , Pregnancy , Pregnancy Complications/diagnostic imaging , Pregnancy Complications/etiology , Pregnancy Complications/physiopathology , Radiography , Risk Factors
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