Discrimination of Total Body Bone Mineral Density Measured by Dexa in Vertebral Osteoporosis

Overview

Journal Calcif Tissue Int

Specialty Pathology

Date 1995 Apr 1

PMID 7767835

Citations 4

Authors

A Bagur

E Vega

C Mautalen

Affiliations

Soon will be listed here.

Abstract

The assessment of bone mineral density (BMD) is the usual study to detect patients at risk for developing osteoporosis. The aim of this study was to compare the discriminative ability of total body BMD and its different subregions with the more usual measurements of BMD of the lumbar spine and femoral neck in women with osteoporotic fractures of the spine. The BMD was determined in 61 osteoporotic (at least one vertebral wedge fracture visible in the lateral X-ray film of the thoracic or lumbar spine) and 61 age-matched control women. Measurements were made by dual X-ray absortiometry (DXA) with a total body scanner. The BMD of the osteoporotic women was significantly lower at all skeletal areas compared with control (P < 0.001). The diminution was less pronounced but still significant at the arms (P < 0.05). The areas with the largest Z score in the osteoporotic group were antero-posterior lumbar spine (-1.78), femoral neck (-1.71), legs (-1.67), and total body (-1.59). There was no significant difference among the Z scores of the four above-mentioned measurements. The Z score of the arms (-0.79), spine (-1.12), and head (-1.29) were significantly lower than the Z score of the total body. The Z score of the pelvis was lower than the Z score of the total body but the difference only approached statistical significance (0.05 > P < 0.1).(ABSTRACT TRUNCATED AT 250 WORDS)

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