肌酐
医学
镉
骨质疏松症
内科学
蛋白尿
肾功能
内分泌学
骨软化症
泌尿科
肾
化学
有机化学
作者
Tobias Alfvén,Carl‐Gustaf Elinder,Margareta D Carlsson,Anders Grubb,Lennart Hellström,Bertil Persson,Conny Pettersson,Gunnar Spång,Andrejs Schütz,Lars Järup
标识
DOI:10.1359/jbmr.2000.15.8.1579
摘要
Osteoporosis is a major cause of morbidity worldwide. A number of risk factors, such as age and gender, are well established. High cadmium exposure causes renal damage and in severe cases also causes osteoporosis and osteomalacia. We have examined whether long-term low-level cadmium exposure increases the risk of osteoporosis. Bone mineral density (BMD) in the forearm was measured in 520 men and 544 women, aged 16-81 years, environmentally or occupationally exposed to cadmium, using dual-energy X-ray absorptiometry (DXA) technique. Cadmium in urine was used as the dose estimate and protein HC was used as a marker of renal tubular damage. There was a clear dose-response relation between cadmium dose and the prevalence of tubular proteinuria. Inverse relations were found between cadmium dose, tubular proteinuria, and BMD, particularly apparent in persons over 60 years of age. There was a dose-response relation between cadmium dose and osteoporosis. The odds ratios (ORs) for men were 2.2 (95% CI, 1.0-4.8) in the dose group 0.5-3 nmol Cd/mmol creatinine and 5.3 (2.0-14) in the highest dose category (> or = 3 nmol/mmol creatinine) compared with the lowest dose group (< 0.5 nmol Cd/mmol creatinine). For women, the OR was 1.8 (0.65-5.3) in the dose group 0.5-3 nmol Cd/mmol creatinine. We conclude that exposure to low levels of cadmium is associated with an increased risk of osteoporosis.
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