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All Journal Antigen: Jurnal Kesehatan Masyarakat dan Ilmu Gizi Compromise Journal : Community Proffesional
Made Purwa Darmita
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Health Professions Public Health

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Optimalisasi Kualitas Citra CT Scan Kepala Dengan Variasi Rekonstruksi Increment Pada Kasus Stroke Non Hemoragik Di Instalasi Radiologi RSAD TK II Udayana Denpasar Theresiani Dae; A.A Aris Diartama; Made Purwa Darmita
Compromise Journal Community Proffesional Service Journal Vol. 1 No. 4 (2023): Compromise Journal : Community Proffesional Service Journal
Publisher : LPPM STIKES KESETIAKAWANAN SOSIAL INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57213/compromisejournal.v1i4.33

Abstract

Non-hemorrhagic stroke or commonly called ischemic stroke is a functional disorder of the body area due to decreased brain function caused by blockage of cerebral blood vessel flow. One of the modalities in radiology that can diagnose non-hemorrhagic stroke cases is computer tomography (CT). To get good image quality, one of them is by doing increment reconstruction. Increment reconstruction is the distance between reconstruction images in volume data. Increment reconstruction is grouped into three, namely increment overlapping, increment contiguous and increment gap. The type of research used is quantitative research with an experimental approach. The sample of this study used 10 patients who underwent CT scan examination of the head with non-hemorrhagic stroke cases in June-August 2023 in the Radiology Unit of RSAD TK II UDAYANA DENPASAR BALI. The findings of this study indicate that when using different increment reconstruction techniques, anatomical image information will vary. The results of the total Friedman test which shows a p value of 0.000 (<0.05) provide evidence of this. A p value of 0.000 was found (p value <0.05) based on differences in overall anatomical image information, indicating that there is a difference between non-hemorrhagic stroke cases and head CT scans. Of the four variations of increment reconstruction, variation 3 with a reconstruction increment of 2.5 mm has the largest mean rank value (3.23) so it is the most ideal anatomical image information.
Uji Kesesuaian CT Number Pada Pesawat CT Scan Multislice Di Rumah Sakit Sunset Vet Kuta Ricky Richard Ivanson Tude; Aris Diartama; Made Purwa Darmita
Antigen : Jurnal Kesehatan Masyarakat dan Ilmu Gizi Vol. 2 No. 1 (2024): Februari : Antigen: Jurnal Kesehatan Masyarakat dan Ilmu Gizi
Publisher : LPPM STIKES KESETIAKAWANAN SOSIAL INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57213/antigen.v2i1.205

Abstract

This research was conducted to determine the accuracy and uniformity of CT Numbers from CT-Scan images using a phantom at Sunset Vet Hospital Kuta. This conformity test is carried out to ensure that the CT-Scan aircraft meets radiation safety requirements and provides precise and accurate diagnostic information. The method used is varying the thickness of the slice thickness, namely 3 mm, 5 mm, 8 mm and 10 mm, tube voltage 130 kVp, tube current 100 mA, window width 200 and window level 40 and ROI in the form of a circle with a size range of 1,000 – 1,005 cm2 in each slice thickness, there are 5 ROIs with different positions, namely middle ROI, ROI at 12 o'clock, ROI at 3 o'clock, ROI at 6 o'clock, and ROI at 9 o'clock. From the measurement results, the accuracy and uniformity values ​​of the CT Number are different for each slice and ROI position, for the tolerance limit for CT Number accuracy values ​​according to PERKA BAPETEN Number 2 of 2018 is in the range -4 to 4, while the tolerance limit for CT Number uniformity values ​​is in the range -2 to 2. From the results of measurements that have been carried out, the accuracy and uniformity values The CT Number in this study has passed the test. The research results show that slice thickness does not affect the accuracy and uniformity of the CT Number on CT-Scan images.
Co-Authors A.A Aris Diartama Aris Diartama Ricky Richard Ivanson Tude Theresiani Dae