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The relationship of sodium and calcium intake with bone mass in postmenopausal women (CROSBI ID 520134)

Prilog sa skupa u časopisu | sažetak izlaganja sa skupa | međunarodna recenzija

Cvijetić, Selma ; Blanuša, Maja ; Colić Barić, Irena ; Ilich, Jasminka The relationship of sodium and calcium intake with bone mass in postmenopausal women // Calcified tissue international. 2006. str. S103-x

Podaci o odgovornosti

Cvijetić, Selma ; Blanuša, Maja ; Colić Barić, Irena ; Ilich, Jasminka

engleski

The relationship of sodium and calcium intake with bone mass in postmenopausal women

The relationship between calcium and sodium metabolism is well known. High sodium intake can accelerate calcium excretion and hypercalciuria is risk factor for osteoporosis. Aim: to analyze the relationship of sodium and calcium intake and excretion with bone mineral density(BM D) in postmenopausal women. Subjects and Methods: 120 postmenopausal women participated in the study. The mean age was 59.9 + 7.2 years and the mean age after menopause was 10.8 + 7.4 years. Bone mineral density(BMD) was measured, using dual energy X-ray absorptiometry, in spine, proximal femur, radius and total body. Spot urine samples were analyzed for calcium, magnesium, sodium and potassium. The values obtained for metals were expressed as ratios to creatinine (mg/g creatinine). Calcium and sodium intake were assessed using three-dayd ietary records. Results: Most women had normal BMD in all measured sites. Osteoporosis (T score < )2.5) was most common in radius (cortical bone) (15.9%) and in spine (14.2%), while the greatest number of women had normal BMD in total body(73.2 %). There were no di.erences in obtained concentrations of elements between subjects with and without osteoporosis. The significant correlation (p < 0.0001) between calcium and sodium in urine was determined. Subjects with osteoporosis had signi.cant correlation between urinarycalci um and BMD (p < 0.05). The mean calcium intake was 809.8 + 348.5 mg/dayand the mean sodium intake was 5335.6 + 1650.6 mg/day, with no signi.cant di.erence between subjects with and without osteoporosis. Using regression analysis and after controlling for age and anthropometry, we founded that potassium in urine was the only significant predictor of bone mass (p< 0.05). There was no significant relationship between sodium intake or excretion and BMD. Conclusions: in this cross-sectional study we could not confirm significant correlation between BMD and sodium intake or excretion. We also could not relate osteoporosis to the amount of calcium ingested. However, based on urine analyses, we con.rmed significant relationship between calcium and sodium metabolism. Longitudinal analysis is probably necessary to get better insight of calcium and sodium influence on bone.

bone mass; sodium; calcium

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Podaci o prilogu

S103-x.

2006.

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objavljeno

Podaci o matičnoj publikaciji

Calcified tissue international

Springer Science+Business Media

0171-967X

Podaci o skupu

33rd European Symposium on Calcified Tissues

poster

10.05.2006-14.05.2006

Prag, Češka Republika

Povezanost rada

Javno zdravstvo i zdravstvena zaštita

Indeksiranost