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1.
Salud pública Méx ; 51(supl.1): s46-s51, 2009. ilus
Article in English | LILACS | ID: lil-508393

ABSTRACT

Bone mineral density (BMD) is the tool for diagnosing osteoporosis in older adults. However, BMD alone is not sufficient for deciding who should be given treatment at either the individual patient or the public health level. Robust, scientifically validated algorithms that combine BMD with other clinical risk factors provide more accurate assessment of fracture probability. New guidelines for managing osteoporosis are now based on the assessment of absolute fracture risk, not simply on bone mineral density values. Accordingly, treatment resources will be redirected away from young postmenopausal women with low BMD and low fracture risk toward older adults at moderate or high risk for fracture. It is expected that, with these algorithms, the cost and effectiveness of medical care for patients with osteoporosis will be improved.


La densidad mineral ósea (DMO) es la herramienta de diagnóstico para osteoporosis en adultos mayores. Sin embargo, por sí sola la DMO no es suficiente para decidir quién debe recibir tratamiento ni al nivel del paciente individual ni al nivel de salud pública. Los algoritmos robustos, científicamente comprobados, que combinan DMO con otros factores de riesgo clínicos proporcionan una evaluación más precisa de la probabilidad de fractura. Los nuevos lineamientos para el manejo de la osteoporosis se basan en la evaluación del riesgo de fractura absoluto, no ya tan sólo en los valores de densidad mineral ósea. Por lo tanto, los recursos para el tratamiento cambiarán, de dirigirse a mujeres postmenopáusicas jóvenes con baja DMO y bajo riesgo de fractura, a mujeres mayores con riesgo de fractura alto o moderado. Se espera que con estos algoritmos haya una mejora en cuanto al costo y la efectividad de la atención médica para pacientes con osteoporosis.


Subject(s)
Female , Humans , Bone Density/physiology , Fractures, Bone/prevention & control , Osteoporosis/drug therapy , Age Factors , Algorithms , Bone Density Conservation Agents/economics , Bone Density Conservation Agents/therapeutic use , Cost-Benefit Analysis , Fractures, Bone/etiology , Osteoporosis/diagnosis , Practice Guidelines as Topic , Risk Assessment/methods
2.
Arq. bras. endocrinol. metab ; 50(4): 735-744, ago. 2006. tab
Article in English, Portuguese | LILACS | ID: lil-437623

ABSTRACT

Osteoporosis is the result of bone loss due to an imbalance in bone turnover such that bone resorption exceeds bone formation. Bisphosphonates are potent inhibitors of osteoclast activity that reduce bone turnover and re-establish the balance between bone resorption and formation. In clinical studies, several bisphosphonates prevent bone loss, preserve bone structure, improve bone strength and, in patients with osteoporosis, substantially reduce fracture risk. They are effective in multiple clinical settings including postmenopausal osteoporosis, low bone mass in men and drug-induced bone loss. Intermittent oral dosing and intravenous administration are more convenient than the original daily dosing regimen. These drugs are generally well tolerated and have an excellent safety profile in that serious side effects are uncommon. Potent bisphosphonates are generally the preferred treatment option for most patients with or at risk for osteoporosis.


Osteoporose é o resultado da perda óssea devida a um imbalanço no turnover ósseo, onde a reabsorção óssea excede sua formação. Os bisfosfonatos são inibidores potentes da atividade osteoclástica, que reduzem o turnover ósseo e restabelecem o balanço entre a reabsorção e a formação óssea. Em estudos clínicos, vários bisfosfonatos previnem a perda óssea, preservam sua estrutura, melhoram sua força e substancialmente reduzem o risco de fraturas em pacientes com osteoporose. Eles são efetivos em várias situações clínicas, incluindo a osteoporose pós-menopáusica, a reduzida massa óssea em homens e perda óssea induzida por drogas. Doses orais intermitentes e administração intravenosa são mais convenientes do que o esquema original de doses diárias. Essas drogas são geralmente bem toleradas e têm um excelente perfil de segurança, no qual efeitos colaterais sérios são incomuns. Os bisfosfonatos potentes são geralmente a opção terapêutica preferida para a maioria dos pacientes com ou em risco de osteoporose.


Subject(s)
Humans , Male , Female , Bone Resorption/prevention & control , Diphosphonates/administration & dosage , Osteoporosis/prevention & control , Bone Density Conservation Agents , Bone Density/drug effects , Bone Resorption/drug therapy , Dose-Response Relationship, Drug , Drug Administration Schedule , Fractures, Bone/prevention & control , Osteoporosis, Postmenopausal/prevention & control , Osteoporosis/drug therapy
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