Heru Trisikwanto, Heru
Technic of Radiodiagnostic and Radiotherapy Department, Polytechnic Health Ministry of Semarang

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Quantitative Measurement of The Knee Joint Cartilage Signal Intensity (SI) When T2map Sequence Applied to Define a Biomarker for Early Detection of Osteoarthritis (OA) Based on Bmi Groups Sugiyanto, Sugiyanto; Wibowo, Gatot Murti; Trisikwanto, Heru
Jurnal Riset Kesehatan Vol 3, No 1 (2014): Januari 2014
Publisher : UPPM Politeknik Kesehatan Kementrian Kesehatan Semarang

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Abstract

This quantitative study was an experimental design. A total of 18 healthy male and female volunteers, with differnt BMI involved in the study by consecutive random sampling. An expert Radiologist evaluated all the 38 T2map images being studied. The arbitrary SI data were measured using one millimeter ROI of the machine measurement tools and the values of T2map were based on a fitted exponential decay calculation ?generated from the graphs developed by the Window excel. The mean differences amongst T2map values on the sagital plan femoro-tibial cartilage and coronal plan femoro-tibial (medial and lateral) were statistically tested using One-way Anova, and all the T2map images also graded by the radiologist following the OA the grading levels as published Internationally. In conclusion, an increased TE on the application of multi-spin echo sequence T2map, causing the calculated T2map values v? aried not only in the sagital area of t?he knee joint cartilage of the femoral and tibial but also in the coronal femoro-tibial (medial and lateral) for both the male and female healthy volunteer subjects, and different BMI category (under-weight, normal-weight, verweight). The values ?T2map within and between BMI group and among different gender showed statistically no difference (p-value > 0.05). The averaged T2map and its  tandard deviations have been used to define t?he T2map biomarkers (baseline T? 2map values) in each BMJ group subjects and between gender for both of the knee joint sagital and coronal planes despite the 1.5T MRI modality is not facilitated to commercial qMRI supporting software.