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    "titulo" => "Differences in the frequency of osteoporosis according to the skeletal site evaluated&#46; Analysis in 987 Spanish postmenopausal women referred to a bone densitometry unit"
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            "entidad" => "Department of Rheumatology&#44; IDIBELL-Hospital Universitari de Bellvitge&#44; L&#8217;Hospitalet de Llobregat&#44; Barcelona&#44; Spain"
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        "titulo" => "Diferencias en la frecuencia de osteoporosis seg&#250;n la regi&#243;n esquel&#233;tica evaluada&#46; An&#225;lisis de 987 mujeres posmenop&#225;usicas remitidas a una unidad de densitometr&#237;a"
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            1 => "Bone mineral density"
            2 => "Densitometry"
            3 => "Postmenopausal women"
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            0 => "Osteoporosis"
            1 => "Densidad mineral &#243;sea"
            2 => "Densitometr&#237;a"
            3 => "Mujeres posmenop&#225;usicas"
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        "titulo" => "Abstract"
        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">To analyze the differences in the frequency of osteoporosis according to the skeletal site evaluated in a group of Spanish postmenopausal women&#46;</p> <span class="elsevierStyleSectionTitle">Methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">We reviewed the data of 987 postmenopausal women &#40;mean age&#44; 53&#46;8 &#91;5&#46;5 years&#93;&#41;&#46; BMD status was evaluated by DXA&#46; We used the WHO thresholds to classify the patients&#46; T-score was obtained from the single evaluation of each lumbar vertebra &#40;L2&#44; L3&#44; and L4&#41;&#44; the mean value of lumbar spine &#40;L2-L4&#41;&#44; femoral neck and total hip&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">In 144 &#40;14&#46;7&#37;&#41; women&#44; discrepancies were observed when we considered the single vertebral analysis versus the L2-L4 analysis&#59; 62 &#40;6&#37;&#41; women who presented osteoporosis in at least 1 vertebra would have been due to the osteopenia category when L2-L4 value was selected&#46; In 271 &#40;27&#46;8&#37;&#41; women&#44; discrepancies were observed when we considered the total hip analysis versus the femoral neck analysis&#46; The frequency of osteoporosis ranged from 3&#37; when only the analysis of the total hip was considered to 16&#37; when the results of L2-L4 and proximal femur &#40;total hip or femoral neck&#41; measurements were selected&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Frequency of osteoporosis varies notably according to the skeletal zone considered&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Analizar&#44; en un grupo de mujeres posmenop&#225;usicas&#44; las diferencias en la frecuencia de osteoporosis seg&#250;n la localizaci&#243;n anat&#243;mica utilizada para realizar el diagn&#243;stico&#46;</p> <span class="elsevierStyleSectionTitle">M&#233;todos</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Se recopilaron las caracter&#237;sticas demogr&#225;ficas y los valores de la densidad mineral &#243;sea &#40;DMO&#41; de 987 mujeres posmenop&#225;usicas &#40;media de edad&#44; 53&#44;8<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5&#44;5 a&#241;os&#41;&#46; La DMO se evalu&#243; mediante absorciometr&#237;a fot&#243;nica dual de fuente de rayos X &#40;DXA&#41;&#46; Se utilizaron las categor&#237;as de la OMS para clasificar a las pacientes&#46; Se calcularon los <span class="elsevierStyleItalic">T-score</span> de cada v&#233;rtebra lumbar de forma individualizada &#40;L2&#44; L3 y L4&#41;&#44; del valor medio del an&#225;lisis de la columna lumbar &#40;L2-L4&#41;&#44; del cuello femoral y de la cadera total&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">En 144 &#40;14&#44;7&#37;&#41; mujeres&#44; se observaron discrepancias entre el an&#225;lisis individualizado de cada v&#233;rtebra lumbar y el an&#225;lisis de L2-L4&#59; 62 &#40;6&#37;&#41; mujeres que presentaban osteoporosis en al menos una v&#233;rtebra se adscrib&#237;an a la categor&#237;a osteopenia al considerar el valor medio del an&#225;lisis de L2-L4&#46; En 271 &#40;27&#44;8&#37;&#41; mujeres&#44; se observaron discrepancias entre el an&#225;lisis de la cadera total y el cuello femoral&#46; La frecuencia de osteoporosis oscil&#243; entre el 3&#37; cuando se consider&#243; s&#243;lo los resultados de la cadera total y el 16&#37; cuando se tuvo en cuenta los valores del an&#225;lisis de L2-L4 y del tercio proximal del f&#233;mur &#40;cadera total o cuello femoral&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">La frecuencia de osteoporosis var&#237;a notablemente seg&#250;n la regi&#243;n esquel&#233;tica considerada&#46;</p>"
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Journal Information
Vol. 5. Issue 2.
Pages 63-65 (March - April 2009)
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Vol. 5. Issue 2.
Pages 63-65 (March - April 2009)
Original article
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Differences in the frequency of osteoporosis according to the skeletal site evaluated. Analysis in 987 Spanish postmenopausal women referred to a bone densitometry unit
Diferencias en la frecuencia de osteoporosis según la región esquelética evaluada. Análisis de 987 mujeres posmenopáusicas remitidas a una unidad de densitometría
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Dolors Martínez-Aguilà, Carmen Gómez-Vaquero
, Javier Narváez, Montserrat Romera, Antoni Rozadilla, Joan M. Nolla
Department of Rheumatology, IDIBELL-Hospital Universitari de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
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Abstract
Objective

To analyze the differences in the frequency of osteoporosis according to the skeletal site evaluated in a group of Spanish postmenopausal women.

Methods

We reviewed the data of 987 postmenopausal women (mean age, 53.8 [5.5 years]). BMD status was evaluated by DXA. We used the WHO thresholds to classify the patients. T-score was obtained from the single evaluation of each lumbar vertebra (L2, L3, and L4), the mean value of lumbar spine (L2-L4), femoral neck and total hip.

Results

In 144 (14.7%) women, discrepancies were observed when we considered the single vertebral analysis versus the L2-L4 analysis; 62 (6%) women who presented osteoporosis in at least 1 vertebra would have been due to the osteopenia category when L2-L4 value was selected. In 271 (27.8%) women, discrepancies were observed when we considered the total hip analysis versus the femoral neck analysis. The frequency of osteoporosis ranged from 3% when only the analysis of the total hip was considered to 16% when the results of L2-L4 and proximal femur (total hip or femoral neck) measurements were selected.

Conclusions

Frequency of osteoporosis varies notably according to the skeletal zone considered.

Keywords:
Osteoporosis
Bone mineral density
Densitometry
Postmenopausal women
Diagnosis
Resumen
Objetivo

Analizar, en un grupo de mujeres posmenopáusicas, las diferencias en la frecuencia de osteoporosis según la localización anatómica utilizada para realizar el diagnóstico.

Métodos

Se recopilaron las características demográficas y los valores de la densidad mineral ósea (DMO) de 987 mujeres posmenopáusicas (media de edad, 53,8±5,5 años). La DMO se evaluó mediante absorciometría fotónica dual de fuente de rayos X (DXA). Se utilizaron las categorías de la OMS para clasificar a las pacientes. Se calcularon los T-score de cada vértebra lumbar de forma individualizada (L2, L3 y L4), del valor medio del análisis de la columna lumbar (L2-L4), del cuello femoral y de la cadera total.

Resultados

En 144 (14,7%) mujeres, se observaron discrepancias entre el análisis individualizado de cada vértebra lumbar y el análisis de L2-L4; 62 (6%) mujeres que presentaban osteoporosis en al menos una vértebra se adscribían a la categoría osteopenia al considerar el valor medio del análisis de L2-L4. En 271 (27,8%) mujeres, se observaron discrepancias entre el análisis de la cadera total y el cuello femoral. La frecuencia de osteoporosis osciló entre el 3% cuando se consideró sólo los resultados de la cadera total y el 16% cuando se tuvo en cuenta los valores del análisis de L2-L4 y del tercio proximal del fémur (cadera total o cuello femoral).

Conclusiones

La frecuencia de osteoporosis varía notablemente según la región esquelética considerada.

Palabras clave:
Osteoporosis
Densidad mineral ósea
Densitometría
Mujeres posmenopáusicas
Diagnóstico
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Copyright © 2009. Sociedad Española de Reumatología and Colegio Mexicano de Reumatología
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