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All Journal The Indonesian Biomedical Journal Diteksi : Jurnal Pengabdian Kepada Masyarakat
Qalby, Luthfia
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Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Languange, Linguistic, Communication & Media Public Health

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Program Kampus Mengajar Sebagai Usaha Peningkatan Adaptasi Teknologi untuk Siswa di SMP Nathania Palangka Raya Rahmat, Muhammad Hudan; Qalby, Luthfia; Akzy, Rhaja Sukma; Nasution, Villatulia Nur'safitri; Haloho, Yesika Kristin; Wardani, Muhammad; Sukardi, Sukardi
Diteksi : Jurnal Pengabdian Kepada Masyarakat Vol. 2 No. 1 (2024): Diteksi, Vol. 2, No. 1, Mei 2024
Publisher : Fakultas Teknik Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/diteksi.v2i1.14805

Abstract

The Kampus Mengajar Program is an initiative of Merdeka Belajar Kampus Merdeka that provides opportunities for students to participate in teaching assistance and support the learning process in Junior High Schools located in various villages and cities. One of these schools is SMP Nathania Palangka Raya. In this program, students are tasked with supporting teaching activities and helping students adapt to technology. Additionally, they are responsible for improving students' morals as well as motivating and fostering their interest in learning. This program aims to enhance students' social awareness of their surroundings, develop critical thinking skills in collaboration with teachers and students from various fields of study to solve problems, as well as expand their knowledge, build character, and refine their soft skills. During this activity, a participatory approach is applied, where students interact directly with the pupils to understand the needs and challenges they face. The program employs an interactive and practical learning model to ensure that students can apply the knowledge they have gained. The results of the service show a significant improvement in students' ability to use technology. Students became more confident and actively participated in learning activities. The program also successfully raised students' social awareness about the importance of their contributions to society. This program has achieved its objectives and made a positive impact on both students and schools.
Impact of GFR Stratification on Tc-99m DTPA Dose Distribution in Target and Non-Target Organs: A MIRD-Based Comparative Study in Renogram Imaging Qalby, Luthfia; Budi, Wahyu Setia; Hidayanto, Eko
The Indonesian Biomedical Journal Vol 17, No 5 (2025)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v17i5.3843

Abstract

BACKGROUND: Renogram using Technetium-99m Diethylene Triamine Pentaacetic Acid (Tc-99m DTPA) is applied to evaluate renal perfusion, glomerular filtration rate (GFR), and urinary excretion. In patients with impaired renal function, delayed tracer elimination may increase accumulation in non-target organs such as the heart and liver, resulting in greater radiation exposure and reduced image quality. Studies examining the relationship between renal function and Tc-99m DTPA dose distribution remain limited, particularly in clinical settings in Indonesia. Therefore, in this study, an organ-level quantitative analysis of Tc-99m DTPA radiopharmaceutical dose distribution and absorbed dose using the Medical Internal Radiation Dose (MIRD) approach based on Single Photon Emission Computed Tomography/Computed Tomography (SPECT/CT) imaging was performed.METHODS: Thirty adult patients undergoing renogram were categorized into low-GFR (<60 mL/min/1.73 m²) and high-GFR (≥60 mL/min/1.73 m²) groups. Each patient received 4–5 mCi of Tc-99m DTPA intravenously. Organ activities were obtained from regions of interest (ROIs) on SPECT/CT images, and organ-level absorbed doses (mGy) were calculated using the MIRD formalism.RESULTS: In the low-GFR group, tracer retention in non-target organs increased, with absorbed doses up to twofold higher in the heart (0.0002–0.0136 mGy) and liver (0.0010–0.0178 mGy) compared to the high-GFR group. Renal absorbed doses ranged from 0.0001–0.0694 mGy, showing no significant difference between the left and right kidneys, while significant differences were observed in the heart and liver.CONCLUSION: GFR significantly affects the radiopharmaceutical dose distribution and absorbed dose of Tc-99m DTPA. Reduced renal function increases radiation exposure in non-target organs, whereas normal function results in a more localized renal dose distribution.KEYWORDS: Tc-99m DTPA, renogram, MIRD, glomerular filtration rate, absorbed dose, SPECT/CT, nuclear medicine
Co-Authors Akzy, Rhaja Sukma Eko Hidayanto Haloho, Yesika Kristin Muhammad Hudan Rahmat Nasution, Villatulia Nur'safitri Sukardi Sukardi Wahyu Setia Budi Wardani, Muhammad