Rini Indrati, Rini
Technic of Radiodiagnostic and Radiotherapy Department, Polytechnic Health Ministry of Semarang

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Journal : Proceedings of the International Conference on Applied Science and Health

CONSTRUCTION DESIGN OF AN ASSISTING TOOL FOR IMMOBILIZATION IN THORAX AND ABDOMEN EXAMINATION ON PEDIATRIC PATIENTS Budiman, Arif; Indrati, Rini; Anwar, M. Choerul; Sudiyono, Sudiyono; Ardiyanto, Jeffri; Mulyantoro, Donny Kristanto; Latifah, Leny
Proceedings of the International Conference on Applied Science and Health No 1 (2017)
Publisher : Proceedings of the International Conference on Applied Science and Health

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Abstract

Background: The main idea of designing an assisting tool for immobilization in pediatric thorax and abdomen examinations is that there are radiographer’ s difficulties while performing radiographs, especially pediatric thorax and abdomen. Aims: This study aims to design of appliance assist for immobilization thorax and abdomen examination on pediatric patients. Methods: This study was an exploratory experiment by designing, applying and testing the construction of an assisting tool for immobilization in thorax and abdomen examination on pediatric patients. The methods used in data collection were interview and observation. Function test results were analyzed based on the check list of the respondents regarding the feasibility of the tool. Results: an assisting tool for immobilization in thorax and abdomen examination on pediatric patients was designed in examination table-shaped made of basic materials such as acrylic, hollow steel and Eser steel plate. Function test on the work of the assisting tool was performed by 6 respondents who applied it to the patient. Based on the function test results, there was of 89,5% respondents who stated that the tool for immobilization in thorax and abdomen examination on pediatric patients could help the performance of the radiographer in positioning and reducing the patient’s movement and there was no artifact in the radiographs. Conclusion: Function test results showed that the tool design could reduce the movement of patients and may replace the function of others to resist the movement of the patient. An assisting tool for immobilization in thorax and abdomen examination on pediatric patients should be improved further especially in choosing the material used, so that the toll will be lighter and can better reduce the patient’s mobility and the size should consider the average height of the pediatric patients. 
OPTIMIZATION OF R-FACTOR AT GRAPPA PARALLEL ACQUISITION TECHNIQUE ON THE IMAGE INFORMATION T2 AXIAL BRAIN MRI Saifudin, Saifudin; Sukmaningtyas, Hermina; Indrati, Rini; Santjaka, Aris
Proceedings of the International Conference on Applied Science and Health No 1 (2017)
Publisher : Proceedings of the International Conference on Applied Science and Health

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Abstract

Background: GRAPPA or Generalized Auto-calibrating Partially Parallel Acquisitions is a parallel acquisition technique which can reduce the scan time in MRI examination. Aims: This study aims to investigate the effect of the R-factor variation of GRAPPA on image anatomical information quality and to determine the optimization value of GRAPPA e-factor to fasten the scan time with acceptable image information quality. Methods: Eight respondents will perform T2 axial Brain MRI examination with various values of GRAPPA R-factor (1 to 7), evaluation was conducted with questionnaire which was given to 3 radiologists to assess the anatomical structure of the lateral ventricle, thalamus, caudate nucleus, lent form nucleus, internal capsule and background area. Data from respondents were then tested with Spearman test and Friedman test. Results: Statistics test showed that there was significant effect of GRAPPA parallel acquisition technique on the anatomical image information quality of T2 axial Brain MRI (p value of 0,001<0,05) and the correlation direction was negative, in which the higher the value of r-factor GRAPPA used, the lower the quality of anatomical image information. Based on the result of mean rank, image with optimal image anatomical information quality was image with GRAPPA R-factor of 1 (mean rank = 6.01), but image anatomical information quality with GRAPPA R-factor of 3 was acceptable with fast scan time (opinion of 75 % of all radiologists). Conclusion: R-factor at GRAPPA parallel acquisition technique could reduce scan time, but the higher the value of r-factor GRAPPA used, the lower the quality of image anatomical information.