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PubMed1991

Principal components analysis of regional bone density in black and white women: relationship to body size and composition.

Black and white women in the United States differ with respect to bone mass and the risk of developing osteoporosis. It has been suggested that greater body size among U.S. blacks may contribute to greater bone density in this group. It is not known whether the fat or lean component contributes more to this relationship. Bone density was measured at seven sites in 161 normal black and white women using single and dual photon absorptiometry. The first principal component accounted for 73% of the variance in the sample and constitutes an index of skeletal mass. The second principal component added another 10% and contrasts the axial and appendicular sites. Both the regional bone densities and the first principal component showed significantly greater bone densities for blacks; adjustment for body size reduced bone mass differences by approximately 50%. Body composition analysis done on a subset of these women indicated that the fat component of body mass may be the more important factor in its effect on bone mass.

Absorptiometry, Photon↗

PubMed1996

Bone density change and biochemical indices of skeletal turnover.

Although biochemical markers of skeletal turnover cannot replace bone density scanning for the diagnosis of osteoporosis, it is thought that they may help add to prediction of fracture risk and help determine adequacy of osteoporosis therapy. Nevertheless, whether biochemical markers in the serum or urine can predict individual rates of bone loss in the spine or hip region is unknown. We studied a heterogeneous group of women (n = 81) who were premenopausal, untreated postmenopausal, and estrogen-treated postmenopausal with baseline determination of body mass index (BMI), calcium intake, biochemical measurements, and serial bone densitometry over 3 years. Serum assays included bone Gla protein (BGP), total and bone-specific alkaline phosphatase (AP, BSAP), carboxyterminal propeptide of type I procollagen (PICP), carboxyterminal telopeptide of type I collagen (ICTP) and tartrate-resistant acid phosphatase (TRAP). Urine assays included hydroxyproline (OHP), calcium, total pyridinoline, and total deoxypyridinoline. Individual biochemical markers and calcium intake were modestly correlated with bone density changes but were inconsistent regarding the spine versus the hip. All of the formation variables were significantly correlated to spine density change (r = -0.24 to -0.49) whereas the only resorption variable that correlated was urine OHp/Cr (r = -0.31). The only formation variable that correlated with hip density change was serum PICP whereas all of the resorption variables except serum TRAP were correlated (r = -0.23 to -0.35). "High turnover" individuals were defined at those with levels of biochemical variables at least 1 SD above the mean young normal for each variable. Higher bone loss rates were seen in this group for several of the turnover markers compared with bone loss rates in all other individuals. However, the sensitivity of this "high turnover" status for identifying high bone losers did not exceed 60% for any of the variables. In untreated postmenopausal women, a model using urine OHp, serum ICTP, serum BSAP, and calcium intake was able to predict 42% of the variance of change in BMD of the lumbar spine. A model using BMI, serum ICTP, and serum BGP could predict 32% of the variance of change in BMD of the femoral neck. No combination of markers could predict variance in bone density change at either site in estrogenized women (premenopausal and estrogen-treated postmenopausal). We conclude that measuring individual serum and urine markers of bone turnover cannot accurately predict bone loss rates in the spine and hip; however, combinations of demographic and biochemical variables could predict some of the variance in untreated postmenopausal women. Biochemical markers cannot replace serial bone densitometry for accurate determination of change in bone mass at the most clinically relevant sites.

Adult↗

PubMed2003

Effect of estrogen and calcitonin therapies on bone density in a lateral area adjacent to implants placed in the tibiae of ovariectomized rats.

BACKGROUND: This study evaluated the influence of estrogen and calcitonin administration on tibial bone density in a lateral area adjacent to implants placed in ovariectomized rats (OVX). METHODS: One screw-type titanium implant was placed bilaterally in the ovariectomized rats, and the animals assigned to one of the following groups: group 1 (n = 15): sham surgeries; group 2 (n = 15): OVX; group 3 (n = 14): OVX subcutaneously administered with calcitonin (CT) 4 days/week (16 IU/kg); group 4 (n = 14): OVX administered daily with 17beta estradiol (20 microg/kg). After 60 days, the animals were sacrificed and undecalcified sections obtained. Blood samples were collected to measure serum levels of alkaline phosphatase and calcium at the time of sacrifice. Bone density was measured in a 500 microm wide mineralized zone lateral to the implant. RESULTS: Alkaline phosphatase levels in groups 2 and 3 (P > 0.05) were statistically higher than groups 1 and 4 (P < 0.05), and calcium serum levels were higher in group 2 than the other groups (P < 0.05). Regarding bone density, the data were grouped separately for cortical (zone A) and cancellous (zone B) bone. In zone A, intergroup analysis revealed no significant difference among groups (P > 0.05). However, in zone B, the animals that received estrogen administration (group 4) presented a higher bone density than groups 2 and 3 (P < 0.05). CONCLUSION: It appears that estrogen therapy may prevent the negative influence of endogenous estrogen deficiency on bone density around titanium implants placed in ovariectomized rats.

Alkaline Phosphatase↗

PubMed1992

[Vertebral, femoral and radial bone density in simulation of prolonged weightlessness. Experience with healthy volunteers].

Disturbances in bone tissue induced by weightlessness in man are incompletely known. All we possess are indirect data which show negativation of the calcium-phosphate balance and bone density measurements mainly in peripheral bones (calcaneum and radius bones). Staying in supine position with the head down (the so-called anti-orthostatic position) is a means of simulating on earth the effects of weightlessness in space flights. We studied the changes in vertebral, femoral and radial bone densities that might occur in 7 healthy volunteers subjected to two 1-month period of bed rest with strict (-6 degrees) anti-orthostatic position. No significant variation was recorded at the end of each period. When the two periods were added the mean vertebral bone loss was -0.9 percent per month. This figure was comparable to that found in similar studies performed in the USA with longer periods of bed rest. The bone loss in such experiments was 4 to 8 times less than that reported for pathological immobilization. Further simulation studies are needed to evaluate the bone loss kinetics and to test the effectiveness of the preventive measures used in spatial flights.

Adult↗

PubMed1988

Influence of physical activity on the regulation of bone density.

Using a mathematical model which relates bone density to daily stress histories, the influence of physical activities on the apparent density of the calcaneal cancellous bone was investigated. Assuming that the mechanical bone maintenance stimulus is constant for all bone tissue, bone apparent density was calculated by a linear superposition of the mechanical stimulus provided by different daily physical activities. An empirical weighting factor, m, accounted for possible differences in the relative importance of load magnitude and number of cycles in each activity. By considering hypothetical variations in body weight and occupational activity levels, the range of probable m values was established. The model was then applied to the results of two previous running studies in which calcaneal density was measured to obtain an estimate of the stress exponent parameter, m. The results indicate that stress magnitudes (or joint forces) have a greater influence on bone mass than the number of loading cycles. We demonstrate that by carefully considering the magnitudes of imposed skeletal forces and the number of loading cycles, it may be possible to design exercise programs to achieve predictable changes in bone mass.

Body Weight↗

PubMed1991

Changes in vertebral bone density in black girls and white girls during childhood and puberty.

BACKGROUND: The prevalence of osteoporosis and the incidence of vertebral fractures are lower in black women than in white women, findings generally attributed to racial differences in adult bone mass. Little is known, however, about the factors that contribute to racial variations in bone mass or the time of life when such differences become manifest. This study was done to characterize the changes in vertebral bone density at various stages of sexual development in black and white females. METHODS: We measured cancellous vertebral bone density by quantitative computed tomography in 75 black female subjects between 2 and 20 years old and 75 whites matched for age and stage of sexual development. RESULTS: The vertebral bone density did not differ between black girls and white girls before puberty. Bone density increased during puberty in each racial group, but the magnitude of the increase from prepubertal values was substantially greater in black than in white subjects (34 percent vs. 11 percent). CONCLUSIONS: The marked difference between black and white females in cancellous vertebral bone density occurs during a relatively brief period late in puberty. Metabolic and hormonal events related to the achievement of sexual maturity during adolescence may be important determinants of racial differences in bone mass in women.

Adolescent↗

PubMed1990

Heparin effect on bone density.

In order to provide estimates of the risks of symptomatic osteoporosis and reduced bone density in premenopausal women treated with long-term (greater than 1 month) heparin therapy, we evaluated a cohort of 61 consecutive premenopausal women previously treated with long-term heparin (cases) and a group of controls matched for age, parity and duration between the last pregnancy and evaluation. All patients underwent dual photon absorptiometry of the lumbar spine and single photon absorptiometry of the wrist and most cases underwent plain lateral radiography of the thoracolumbar spine in order to exclude silent fractures. Although none of the cases suffered symptomatic fractures (0 of 61, 95% confidence intervals 0.0 to 5.9%), there was a significantly greater proportion of cases than controls with bone density below our pre-defined levels. The long-term implications of our findings are uncertain but because it is possible that the reduction in bone density predisposes women to fractures, this potential risk should be considered when treating women with long-term heparin.

Adult↗

PubMed1985

Comparison of bone density in amenorrheic women due to athletics, weight loss, and premature menopause.

Studied was the peripheral bone density of 39 women (ages 18 to 43) with the diagnosis of secondary amenorrhea in an effort to define the population of amenorrheic women at risk for osteoporosis. Eight women had exercise-induced amenorrhea (athletes), 20 women had amenorrhea associated with weight loss, and 11 women had premature menopause. These diagnoses were made on the basis of history, physical examination, and luteinizing hormone (LH), follicle-stimulating hormone (FSH), and prolactin levels, and failure to have withdrawal bleeding after the administration of progestin. Twenty-five nonathletic, normally menstruating women served as control subjects. The peripheral bone density of the amenorrheic athletes (0.738 g/cm2 +/- 0.047) was not significantly different from that of the controls (0.726 g/cm2 +/- 0.044). The average bone density of the group with weight loss-associated amenorrhea (0.672 g/cm2 +/- 0.066) was significantly less than controls (P less than .005) as was that of the women with premature menopause (0.616 g/cm2 +/- 0.048, P less than .001). There was a significant correlation between months of amenorrhea and decrease in bone density (r = 0.506, P less than .001). From this study it was concluded that women with exercise-associated amenorrhea are not at significant risk for cortical bone loss as measured by direct photon absorptiometry. Women with weight loss-associated amenorrhea and women with premature menopause are at significant risk for bone loss when compared with normal controls.

Adolescent↗

PubMed1992

Bone density parathyroid hormone and 25-hydroxyvitamin D concentrations in middle aged women.

OBJECTIVE: To examine the relation between bone density and indices of calcium metabolism including parathyroid hormone and 25-hydroxyvitamin D concentrations in middle aged women. DESIGN: A cross sectional study. SETTING AND SUBJECTS: 138 women volunteers aged 45-65 with no known osteoporosis and unselected for disease status recruited for a dietary assessment study from the community using general practice registers. Volunteer rate was 20%. MAIN OUTCOME MEASURE: Bone mineral density measured with dual energy x ray absorptiometry. RESULTS: Bone density at the lumbar spine and neck and trochanteric regions of the femur was inversely related to serum intact parathyroid hormone concentrations and positively related to serum 25-hydroxyvitamin D concentrations. These associations were independent of possible confounding factors, including age, body mass index, cigarette smoking habit, menopausal status, and use of diuretics and postmenopausal hormone replacement therapy. These associations were apparent throughout the whole distribution of bone density and 25-hydroxyvitamin D and parathyroid hormone concentrations within the normal range, suggesting a physiological relation. CONCLUSIONS: The findings are consistent with the hypothesis that parathyroid hormone and 25-hydroxyvitamin D concentrations influence bone density in middle aged women. Findings from this study together with other work suggest that the role of vitamin D in osteoporosis should not be neglected. The associations with parathyroid hormone also indicate plausible biological mechanisms. The roughly 5-10% difference in bone density between top and bottom tertiles of serum 25-hydroxyvitamin D concentrations, though not large in magnitude, may have considerable public health implications in terms of prevention of osteoporosis and its sequelae, fractures.

25-Hydroxyvitamin D 2↗

PubMed2004

Brachydactyly type E in two sibs with increased bone density and mental retardation. A new autosomal recessive syndrome?

Brachydactyly type E in two sibs with increased bone density and mental retardation. A new autosomal recessive syndrome?: We report on two sibs, a boy and a girl, with syndromic brachydactyly type E. Parents were first cousins. Facial dysmorphia was characterized by a flat occiput, a large forehead, hypertelorism, a long triangular nose, an everted lower lip, downslanting palpebral fissures and strabismus. They had marked shortening of the third, fourth and fifth fingers and of the third, fourth, and fifth toes. IQ was 16 in the boy, 63 in the girl. In both sibs ophtalmologic examination showed strabismus, absence of cataract and normal fundus and radiological findings disclosed increased bone density involving the skull, the vertebrae and the corticalis of the long bones. Neither ectopic calcifications, nor exostosic, nor osteomalacia, and nor osteotis fibrosa cystica were present. Investigations revealed that plasma calcium, phosphate, vitamine D, parathyroid hormone (PTH), response to exogenous PTH, and Gs activity were normal as well as renal and thyroid function. Molecular genetic studies failed to identify mutations in the GNAS 1 gene, in the PTH receptor gene and in the HOX D13 gene. Analysis of 2q showed that there was no deletion 2q37. Other known syndromes with brachydactyly type E and mental retardation were excluded. In conclusion we suggest that these two sibs with a combination of brachydactyly, mental retardation and increased bone density have a specific autosomal recessive syndrome.

Adult↗

PubMed1999

Increased reduction in bone density and skin thickness in postmenopausal women on long-term corticosteroid therapy. A suggested role for estrogen add back therapy.

BACKGROUND: Long term steroid therapy is complicated by osteoporosis and generalised thinning of the skin. These two complications of long term corticosteroid therapy were routinely assessed at the Menopause Clinic of St. Luke's Hospital, Medical School, University of Malta. METHODS: A cross sectional study was performed on 64 postmenopausal women who had been on long term corticosteroids. Each woman had her skin thickness measured using high resolution ultrasound (22 mhz) and their bone density measured using a DEXA Norland. These measurements were compared to a control group (n = 557), a group of women who had sustained osteoporotic fractures (n = 180), and a group of women on hormone replacement therapy (HRT) (n = 399). A longitudinal study on 29 postmenopausal women on corticosteroids was also performed. In this study results were compared between women who in addition to their corticosteroids were on HRT and those who were on corticosteroids alone. RESULTS: The cross sectional study showed the corticosteroid therapy was associated with the thinnest skin thickness measurements mean 0.83 mm. Similarly, low bone density measurements lumbar spine mean 0.81 g/cm2 and left hip mean 0.71 g/cm2 were obtained for this group. The skin thickness in controls and in the HRT groups had a mean thickness of 0.93 mm while that of the osteoporotic fracture group was 0.88 mm. The bone density of the osteoporotic fractures in the fracture group was similar to that of group of women on long term corticosteroids. The lumbar spine had a mean density of 0.81 g/cm2 and left hip that of 0.71 g/cm2. The bone density of the control group and HRT group was significantly higher. The lumbar spine had a mean density of 0.93 g/cm2 and that of left hip was 0.82 g/cm2. The small longitudinal study compared postmenopausal women on long term corticosteroid therapy on HRT to another group who was not on HRT. The longitudinal study over four years revealed a constant increase in skin thickness (mean 6% per year) and bone density (left hip mean 5% per year, lumbar spine mean 5% per year). CONCLUSION: In postmenopausal women on long term corticosteroids, skin thickness and bone density were both decreased, but the addition of HRT as add back improved the situation dramatically. Skin thickness and bone density level in women on long term corticosteroids were comparable to that of women who had sustained osteoporotic fractures. It is therefore suggested that HRT be used as add back therapy in postmenopausal women on long term corticosteroid therapy.

Adrenal Cortex Hormones↗

PubMed1997

Vitamin D-receptor gene polymorphisms and bone density in prepubertal American girls of Mexican descent.

BACKGROUND: Bone mass is under strong genetic control, and recent studies in adults have suggested that allelic differences in the gene for the vitamin D receptor may account for inherited variability in bone mass. We studied the relations of the vitamin D-receptor genotype to skeletal development and variation in the size, volume, and density of bone in children. METHODS: We identified three allelic variants of the vitamin D-receptor gene using the polymerase chain reaction and three restriction enzymes (ApaI, BsmI, and TaqI) in 100 normal prepubertal American girls of Mexican descent. We then determined the relations of the different vitamin D-receptor genotypes (AA, Aa, aa, BB, Bb, bb, TT, Tt, and tt) to the cross-sectional area, cortical area, and cortical bone density of the femoral shaft and the cross-sectional area and density of the lumbar vertebrae. RESULTS: The vitamin D-receptor genotype was associated with femoral and vertebral bone density. Girls with aa and bb genotypes had 2 to 3 percent higher femoral bone density (P=0.008 and P=0.04, respectively) and 8 to 10 percent higher vertebral bone density (P=0.01 and P=0.03, respectively) than girls with AA and BB genotypes. There was no association between the cross-sectional area of the vertebrae or the cross-sectional or cortical area of the femur and the vitamin D-receptor genotype. The chronologic age, bone age, height, weight, body-surface area, and body-mass index did not differ significantly among girls with different vitamin D-receptor genotypes. CONCLUSIONS: Vitamin D-receptor gene alleles predict the density of femoral and vertebral bone in prepubertal American girls of Mexican descent.

Alleles↗

PubMed2002

Gender differences in the genetic factors responsible for variation in bone density and ultrasound.

Although genetic factors are thought to explain a large proportion of the variation in bone density in women, few studies have been conducted in men. Therefore, it is unclear whether the individual differences in bone strength between men and women are a reflection of gender differences in the relative influence of genetic and environmental factors on bone density variance. The aim of this study was to determine if there were gender differences in the genetic components of variance for bone density and ultrasound. In addition, the study aimed to explore the hypothesis that there are unique gender-specific genetic determinants of these traits. Bone mineral density (BMD) of the hip, distal forearm, and lumbar spine were measured by dual-energy X-ray absorptiometry (DXA) as well as quantitative ultrasound (QUS) at the calcaneus in healthy female twin pairs (286 identical [MZ] and 265 nonidentical [DZ]), male twin pairs (72 MZ and 65 DZ), and 82 opposite-sex (OS) pairs aged between 18 and 80 years. For hip BMD, distal forearm, and QUS measurements, the differences between MZ correlations and like-sex DZ correlations were similar for both sexes, suggesting little difference in the component of total variance explained by genetic factors between male and female twin pairs. However, correlations between OS twin pairs were lower than that of like-sex twin pairs, suggesting the possibility of unique gender-specific genetic effects. At the forearm, model fitting suggested a small gender difference in the magnitude of genetic variance as well as the presence of a unique gender-specific genetic variance component. Hip, lumbar spine, and QUS measurements were better explained by models that assumed no gender differences in genetic variance between the sexes, but the study had insufficient power to detect small differences in the genetic components of variance. The results of this study suggest that the proportion of bone strength variance explained by genetic factors is similar for men and women. However, at some regions there is evidence to suggest a gender-specific genetic component to the overall genetic variance.

Absorptiometry, Photon↗

PubMed1988

Effect of declining renal function on bone density in aging women.

The factors that are responsible for trabecular bone loss in aging women are not completely understood. To evaluate declining renal function as a possible factor, we studied 19 Caucasian women (average age 67) who were from 6 to 41 years postmenopausal. Trabecular bone density was quantitated by computerized tomography of the spine. Serum calcium, phosphorus, and creatinine were normal in all subjects. Creatinine clearance averaged 74 ml/min (range 38-122), decreased with age (r = -0.60, P = 0.003), and was inversely related to serum creatinine (r = -0.51, P = 0.01). Bivariate regression demonstrated that bone density decreased with age (r = -0.59, P = 0.004); controlling for the effect of creatinine clearance weakened this correlation to r = -0.45 (P = 0.03); controlling additionally for 1,25-dihydroxyvitamin D [1,25(OH)2D] and parathyroid hormone (PTH) reduced the correlation coefficient to r = -0.34 (P = 0.11). Bone density also decreased in direct proportion to the decrement in creatinine clearance (r = 0.44, P = 0.03); controlling for the effects of 1,25(OH)2D and PTH reduced this correlation coefficient to r = 0.34 (P = 0.11). These results suggest that occult renal insufficiency may contribute to bone loss in aging women, and that this effect may be mediated in part by 1,25(OH)2D and PTH. In this age group renal function should be assessed by measuring creatinine clearance rather than the serum creatinine concentration since renal insufficiency can be masked by apparently normal circulating creatinine levels.

Aged↗

PubMed1996

Exercise and reproductive factors as predictors of bone density among osteoporotic women in Mexico City.

We examined the association between physical activity and reproductive factors with bone density among 313 Mexican women, aged 26-83 years. Bone mineral density (BMD) was measured with a HOLOGIC QRD 1000 w, DXA densitometer at the lumbar spine and femoral region. We explored the relation between BMD and parity, age, body mass index (BMI), type of menopause, and level of exercise. Multiple regression models examining determinants of bone density at the lumbar and femoral regions showed that increasing age and lack of exercise were statistically significant predictors of bone demineralization. The number of pregnancies also had a deletereous effect on bone density, especially for lumbar spine, as well as BMI <20 kg/m2. Our results suggest that physical activity, parity, and BMI are important determinants of bone density in this population.

Absorptiometry, Photon↗

PubMed2003

Bone density and body composition in children with growth hormone insensitivity syndrome receiving recombinant IGF-I.

OBJECTIVE: There are few reports of the metabolic action of insulin-like growth factor 1 (IGF-I) in vivo. Growth hormone insensitivity syndrome is a good model to examine the effects of IGF-I deficiency. This study was designed to assess body composition and bone density in children with growth hormone insensitivity syndrome before and after receiving treatment with recombinant IGF-I. DESIGN: A prospective longitudinal study. PATIENTS: Four prepubertal boys age 6.1-9.8 years with short stature due to growth hormone insensitivity syndrome. MEASUREMENTS: Assessment of body fat by skinfold thickness measurements and dual energy X-ray absorptiometry (DXA) was made during the first 6 months of recombinant IGF-I treatment. Assessment of lumbar spine bone density by DXA was performed prior to IGF-I treatment and during the subsequent five years. RESULTS: Each child showed a significant reduction in fat mass (0.26-1.22 kg) after 6 weeks of IGF-I treatment. Bone density prior to treatment was reduced in comparison to age-matched controls but calculated volumetric bone density was within the normal range. Volumetric bone density progressively improved over the 5-year treatment period. CONCLUSIONS: Children with growth hormone insensitivity syndrome exhibit a metabolic response to IGF-I within 6 weeks analogous to that seen in GH-deficient children receiving GH. Bone density when corrected for body size is within normal limits and demonstrates a response to IGF-I, confirming the anabolic action on bone.

Absorptiometry, Photon↗

PubMed1994

Rapid increase in lumbar spine bone density in osteopenic women by high-dose intramuscular estrogen-progestogen injections. A preliminary report.

This prospective pilot study has been carried out to assess the effect of high parenteral doses of estrogens and progestogens on lumbar spine bone density in osteopenic women. Thirteen osteopenic women received 40 mg estradiol valerate and 250 mg hydroxyprogesterone caproate by intramuscular injections once a week for 6 months (so called "pseudopregnancy"). One g oral calcium was added. Six out of the 13 patients (49.5 +/- 4.8 y were peri- and postmenopausal = group A. Seven patients (21.5 +/- 2.2 y) suffered from primary and secondary amenorrhea, in 4 out of them due to gonadal dysgenesis = group B. Estradiol was measured by commercial radioimmunoassay. Bone density was determined by dual-energy X-ray absorptiometry (DEXA) of the upper 4 lumbar vertebrae. Lumbar spine bone density as well as estradiol serum levels were measured before and 3 and 6 months after therapy, respectively. Estradiol increased from 34.8 +/- 7.5 pg/ml to 3226 +/- 393 pg/ml after 3 months and to 2552 +/- 254 pg/ml after 6 months, respectively, in group A. Bone density increased by 15.3 +/- 3.6% within the first 3 months to a total of 18.8 +/- 3.9% after 6 months, respectively. Two patients we have controlled for two years, maintained this increase. In group B estradiol increased from 27.8 +/- 6.5 pg/ml to 3028 +/- 728 after 3 and to 2491 +/- 684 pg/ml after 6 months. Bone density in this group increased by 11.8 +/- 1.9% within 3 and to a total of 18.2 +/- 2.8% after 6 months.(ABSTRACT TRUNCATED AT 250 WORDS)

17 alpha-Hydroxyprogesterone Caproate↗

PubMedDate not supplied

Changes in symptomatology, hormones, lipids, and bone density after hysterectomy.

OBJECTIVE: To evaluate the differences in symptoms, hormone and lipid levels, and bone density in two groups of women. METHODS: Two hundred eighty-five women who attended for climacteric study with previous simple hysterectomy were studied. Three groups were formed according to time since surgery (group I < 10 years, group II > or = 10 and < 20 years, and group III > or = 20 years). They were paired by age with a group without hysterectomy (control group) that also attended for climacteric study. None of them were receiving nor had received hormone replacement therapy. Age, body mass index, gestations, deliveries, and climacteric symptoms were analyzed for all subjects. Follicle-stimulating hormone (FSH), estradiol, total cholesterol, high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL) cholesterol and triglyceride levels were determined, and atherogenic index was calculated. Bone density was measured with a Lunar DPXL appliance. Statistical analysis was done by the chi-square test, Student's t test, and linear regression analysis. RESULTS: There were no differences among groups in body mass index, gestations, or deliveries. Depression was more frequent in the hysterectomy group, who also had lower levels of total cholesterol, HDL cholesterol, and FSH than controls. CONCLUSIONS: It was observed that hysterectomy does not have a deleterious effect on hormone or lipid levels, nor on bone density, but depression was a frequent finding in hysterectomized women.

Bone Density↗