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All Journal Jurnal Fisika Unand Jurnal Pendidikan Fisika dan Teknologi
Pratama, Ida Bagus Gede Putra
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Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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The Effect of Age and Body Mass on CTDIvol and DLP Values in CT Scan Patients at Andalas University Hospital Delvihardini, Rani; Pratama, Ida Bagus Gede Putra; Milvita, Dian; Oktavia, Amel; Fardela, Ramacos
Jurnal Pendidikan Fisika dan Teknologi (JPFT) Vol 11 No 1 (2025): January-June
Publisher : Department of Physics Education, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpft.v11i1.8435

Abstract

Meningkatnya penggunaan sinar-X di bidang medis disertai dengan kemajuan teknologi yang pesat dan telah berdampak signifikan pada radiologi terapeutik dan diagnostik. Di bidang radiologi diagnostik, modalitas dengan teknologi canggih yang memanfaatkan sinar-X adalah Computed Tomography Scanner (CT Scan). Dosis radiasi CT scan diketahui lebih besar dibandingkan dengan modalitas lain, membuat perlindungan pasien dari paparan berlebihan menjadi prioritas kritis. Oleh karena itu, penelitian ini bertujuan untuk mengetahui pengaruh usia dan massa tubuh terhadap nilai Computed Tomography Dose Index (CTDIVol) dan Dose Length Product (DLP) pada pasien CT Scan di Instalasi Radiologi RS Universitas Andalas, untuk memberikan dosis radiasi yang tepat dan tepat untuk keperluan diagnostik. Prosesnya termasuk mengumpulkan data dosis radiasi pada pasien yang mengalami CT Scan kepala dan perut non-kontras. Hasil penelitian menunjukkan bahwa usia memiliki korelasi yang sangat lemah dengan nilai CTDIVol dan DLP, sedangkan massa tubuh memiliki korelasi yang cukup rendah, kecuali untuk CT Scan perut non-kontras. Penelitian ini menunjukkan bahwa massa tubuh pasien tidak berpengaruh signifikan terhadap pemeriksaan CT scan di RS Universitas Andalas. Dianjurkan untuk mengoptimalkan dosis radiasi dengan mempertimbangkan massa tubuh dan menggunakan Automatic Exposure Control (AEC).
Analisis Korelasi Nilai Entrance Surface Air Kerma (ESAK) Terhadap Massa Tubuh, Usia, dan Faktor Eksposi pada Pasien Pemeriksaan Radiografi Umum di RSUP Dr. M. Djamil Padang Putri, Rahmiatul; Milvita, Dian; Pratama, Ida Bagus Gede Putra
Jurnal Fisika Unand Vol 14 No 4 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.14.4.413-420.2025

Abstract

Research on the correlation analysis of Entrance Surface Air Kerma (ESAK) values ​​on body mass, age and exposure factors in general radiography examination patients was carried out at RSUP Dr. M. Djamil Padang. Data collection was carried out on adult patients with body mass (50-70) kg and age over 15 years on examination of the abdomen, thorax and lumbar spine for 3 months with a total of 1,113 patients. The method used to determine correlation is simple linear correlation test analysis. The results of the study showed that the ESAK value had a fairly strong correlation with the patient's body mass with an rxy value = 0.25-0.4 except for the lumbar spine examination. The ESAK value has a fairly strong to strong correlation with the exposure factor (kV) with a value of rxy = 0.27-0.6 and has a strong to very strong correlation with the exposure factor (mAs) as indicated with a value of rxy = 0.45 -0.9, but has a very weak correlation with patient age with a value of rxy = 0.02-0.1 except for lateral thorax examination.
Analisis Korelasi Umur, Massa Tubuh dan Faktor Eksposi Terhadap Entrance Surface Air Kerma pada Pemeriksaan Thorax di Rumah Sakit Universitas Andalas Sari, Suci Indah; Milvita, Dian; Fardela, Ramacos; Pratama, Ida Bagus Gede Putra; S, Amel Oktavia
Jurnal Fisika Unand Vol 13 No 5 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.5.602-609.2024

Abstract

Research has been conducted on the correlation analysis of age, body mass, and exposure factors to Entrance Surface Air Kerma (ESAK) in the Radiology Installation of Andalas University Hospital. The study was conducted by collecting data on adult thorax examination patients over 15 years of age and body mass (60 ± 10) kg in Posterior-Anterior (PA) and Anterior-Posterior (AP) projections for ± 5 months. Patient data used in PA projections are 107 patient data with the Automatic Exposure Control (AEC) method, 9 patient data with manual methods and 10 AP projection patient data with manual methods. Analysis was conducted using the Pearson correlation test. The results showed that body mass and exposure factors have a very strong relationship with ESAK as indicated by r = 0.805 to 0.990. As body mass and exposure factor increase, the average ESAK received by patients will increase, while age has a weak relationship with ESAK as shown by r = -0,246 to 0,227.
Analisis Korelasi Usia, Massa Tubuh, mAs, dan Dosis Efektif Terhadap CTDIvol dan DLP pada Pemeriksaan CT-Scan Pasien Dewasa Dewanti, Wafi Muthia; Milvita, Dian; Fardela, Ramacos; Pratama, Ida Bagus Gede Putra; Herlinda, Sri
Jurnal Fisika Unand Vol 13 No 4 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.4.579-586.2024

Abstract

A research study has been conducted on the correlation analysis of age, body mass, mAs, and effective dose with Computed Tomography Dose Index Volume (CTDIvol) and Dose Length Product (DLP) in CT-Scan examinations at the Radiology Department of Dr. M. Djamil Padang General Hospital. The research utilized data from adult patients aged 15 years and above with a standard body mass (60 ± 10) kg in non-contrast CT scans of the head, chest, and abdomen, with a total of 586 patients collected over a period of 3 months. The analysis was conducted using Pearson correlation test. The research results indicate that the effective dose has a very high correlation with DLP, with a coefficient of 1 and mAs has a very high correlation with CTDIvol and DLP, with a coefficient of 0,9. Body mass has a relatively high correlation with CTDIvol and DLP, ranging from 0,4 to 0,7 except in head examinations. Age has a moderately significant correlation with CTDIvol and DLP, ranging from 0,1 to 0,5.
Co-Authors Delvihardini, Rani Dewanti, Wafi Muthia Dian Milvita Oktavia, Amel Putri, Rahmiatul Ramacos Fardela S, Amel Oktavia Sari, Suci Indah Sri Herlinda, Sri