Effect of Years since Menopause on Serum TRAP-5b: Serum Bone Resorption Marker

Siva Narayana Goudu A, Viswesw

Abstract

Sudden decline in estrogen levels after menopause accelerates bone loss associated with increased bone turnover. Serum level of tartrate resistant acid phosphatase-5b (TRAP-5b) is an accurate marker for reflecting the increased osteoclastic activity. We evaluated the influence of years since menopause (YSM) on TRAP-5b in different YSMgroups. 40 healthy premenopausalwomen (mean age = 33.15 years) and 96 postmenopausalwomen (mean age = 59.10 years) were recruited for the present study. Significantly increased (p<0.001) levels of serum TRAP-5b, Urine Ca and Creatinine levels were observed in 1-5 YSM, 5-10 YSM, 10-15 YSM and >15 YSM groups when compared to premenopausal controls. SerumtotalALP(bone formation marker) was significantly increased P<0.05 in 5-10 YSMgroup than pre menopause women. This indicates that higher bone loss is noticed at early years of menopause and continues with progressive age.

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