Bone mineral density in premenopausal women with systemic lupus erythematosus. 2003

Somchai Uaratanawong, and Utis Deesomchoke, and Somrat Lertmaharit, and Somsri Uaratanawong
Rheumatology Unit, Department of Medicine, Bangkok Metropolitan Medical College and Vajira Hospital, 681 Samsen Road, Dusit, Bangkok 10300, Thailand.

OBJECTIVE To study bone mineral density (BMD) in premenopausal women with systemic lupus erythematosus (SLE) and to evaluate the influence of disease activity and use of corticosteroids. METHODS A cross-sectional study on BMD of 118 premenopausal women with SLE. Patients were divided into 2 groups, 74 who had been treated with corticosteroids and 44 who had not. BMD at lumbar spine, femoral neck, and trochanter was measured. RESULTS BMD in patients without and with corticosteroid treatment was 1.13 +/- 0.13 vs 1.05 +/- 0.14 g/cm2 (p = 0.005) at lumbar spine, 0.92 +/- 0.12 vs 0.86 +/- 0.12 g/cm2 (p = 0.005) at femoral neck, and 0.78 +/- 0.13 vs 0.72 +/- 0.12 g/cm2 (p = 0.014) at trochanter, respectively. Stepwise multilinear regression analysis showed that corticosteroid exposure was independently associated with decreased BMD in the corticosteroid treated patients (r2 = 7% for lumbar and 6.6% for trochanter model). No significant difference in BMD in corticosteroid treated patients appeared when they were subgrouped according to whether they were taking calcium supplements. Prevalence of osteoporosis at lumbar spine in corticosteroid treated patients was 1.4%, and was lower than reported for age and sex matched Caucasians. CONCLUSIONS BMD measurements were significantly lower in premenopausal SLE patients who had had corticosteroid treatment than those who had not. There was a negative correlation between BMD and corticosteroid therapy, but not disease activity. Prevalence of osteoporosis, based on lumbar spine BMD, was lower than that reported in Caucasians.

UI MeSH Term Description Entries
D008159 Lumbar Vertebrae VERTEBRAE in the region of the lower BACK below the THORACIC VERTEBRAE and above the SACRAL VERTEBRAE. Vertebrae, Lumbar
D008180 Lupus Erythematosus, Systemic A chronic, relapsing, inflammatory, and often febrile multisystemic disorder of connective tissue, characterized principally by involvement of the skin, joints, kidneys, and serosal membranes. It is of unknown etiology, but is thought to represent a failure of the regulatory mechanisms of the autoimmune system. The disease is marked by a wide range of system dysfunctions, an elevated erythrocyte sedimentation rate, and the formation of LE cells in the blood or bone marrow. Libman-Sacks Disease,Lupus Erythematosus Disseminatus,Systemic Lupus Erythematosus,Disease, Libman-Sacks,Libman Sacks Disease
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011239 Prednisolone A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states. Di-Adreson-F,Predate,Predonine,Di Adreson F,DiAdresonF
D012044 Regression Analysis Procedures for finding the mathematical function which best describes the relationship between a dependent variable and one or more independent variables. In linear regression (see LINEAR MODELS) the relationship is constrained to be a straight line and LEAST-SQUARES ANALYSIS is used to determine the best fit. In logistic regression (see LOGISTIC MODELS) the dependent variable is qualitative rather than continuously variable and LIKELIHOOD FUNCTIONS are used to find the best relationship. In multiple regression, the dependent variable is considered to depend on more than a single independent variable. Regression Diagnostics,Statistical Regression,Analysis, Regression,Analyses, Regression,Diagnostics, Regression,Regression Analyses,Regression, Statistical,Regressions, Statistical,Statistical Regressions
D002118 Calcium A basic element found in nearly all tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes. Coagulation Factor IV,Factor IV,Blood Coagulation Factor IV,Calcium-40,Calcium 40,Factor IV, Coagulation
D003430 Cross-Sectional Studies Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time. Disease Frequency Surveys,Prevalence Studies,Analysis, Cross-Sectional,Cross Sectional Analysis,Cross-Sectional Survey,Surveys, Disease Frequency,Analyses, Cross Sectional,Analyses, Cross-Sectional,Analysis, Cross Sectional,Cross Sectional Analyses,Cross Sectional Studies,Cross Sectional Survey,Cross-Sectional Analyses,Cross-Sectional Analysis,Cross-Sectional Study,Cross-Sectional Surveys,Disease Frequency Survey,Prevalence Study,Studies, Cross-Sectional,Studies, Prevalence,Study, Cross-Sectional,Study, Prevalence,Survey, Cross-Sectional,Survey, Disease Frequency,Surveys, Cross-Sectional
D005260 Female Females
D005938 Glucocorticoids A group of CORTICOSTEROIDS that affect carbohydrate metabolism (GLUCONEOGENESIS, liver glycogen deposition, elevation of BLOOD SUGAR), inhibit ADRENOCORTICOTROPIC HORMONE secretion, and possess pronounced anti-inflammatory activity. They also play a role in fat and protein metabolism, maintenance of arterial blood pressure, alteration of the connective tissue response to injury, reduction in the number of circulating lymphocytes, and functioning of the central nervous system. Glucocorticoid,Glucocorticoid Effect,Glucorticoid Effects,Effect, Glucocorticoid,Effects, Glucorticoid
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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