Body fat was analyzed via dual-energy X-ray absorptiometry (DXA) with the GE Lunar iDXA System (encore software version 2011, Madison, WI) to determine the following variables: total body fat (%), truncal fat (%), limb fat (%) and the android/gynoid fat ratio (A/G R). The fat mass ratio (FMR) was estimated as follows: FMR = [truncal fat (%)/[fat lower limbs (%)] [27 (link)].
Ge lunar idxa system
Manufactured by GE Healthcare
Sourced in United States
The GE Lunar iDXA system is a dual-energy X-ray absorptiometry (DXA) device used for bone density and body composition measurements. It provides accurate and reproducible data on bone mineral density, lean and fat mass, and body fat percentage.
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Lab products found in correlation
4 protocols using ge lunar idxa system
1
Measuring Body Composition via DXA
2
Bone Health Assessment in Early-Stage Parkinson's
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Data collected included demographic, anthropometric and anamnestic characteristics such as age, sex, body mass index (BMI) and disease duration. The following instrumental and functional outcomes were assessed: (i) BMD of the lumbar spine (LS) and left femoral neck (L-FN), measured using a GE Lunar iDXA system (GE Healthcare Biosciences, Piscataway, NJ, USA); (ii) TBS was determined using TBS iNsight™ software (GE Healthcare Biosciences); (iii) muscle performance was determined using the short physical performance battery (SPPB) and the patients in each study group were stratified into the following performance groups: a poor performance group (SPPB score ≤8; group A1 in patients with PD and group A2 in control patients) and a high performance group (SPPB > 8; group B1 in patients with PD and group B2 in control patients). The primary outcome of the study was to compare the qualitative and quantitative data of patients with early stage PD and controls within the performance group.
3
Body Composition Assessment via DXA Scanning
4
Densitometric Evaluation of Metastatic Bone Lesions
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In addition to standard radiological imaging, at both T0 and T1 all enrolled patients underwent densitometric evaluation by using a GE Lunar iDXA system (GE Healthcare, Chicago, Illinois, USA). The iDXA unit was checked daily using a calibration standard, to ensure that the instrument was operating within the manufacturer’s specifications. A trained operator made all scans following the manufacturer’s manual and data were analyzed by using the software ncore (version 13.60). Bone mineral density (BMD: g/cm2) and T-score were assessed at both lumbar spine (L1-L4) and femur neck, as described [27 (link), 28 (link)]. In addition, for each patient, a target metastatic bone lesion was arbitrarily selected for densitometric evaluation, after manual determination of the region of interest (ROI) [29 (link), 30 (link)].
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