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Verina, Alya
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Dentistry Health Professions Medicine & Pharmacology Nursing Public Health Veterinary

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Radiation Dose Optimization: Range Configuration on Computed Tomography Scans of Non-Contrast Head Scans with Hemiparese Cases Verina, Alya; Pradika, Fannisa Rahma; Rahardian, Arga Pratama; Setialam, Farid
Proceedings Series on Health & Medical Sciences Vol. 6 (2025): Proceedings of the 5th International Nursing and Health Sciences Universitas Muhammad
Publisher : UM Purwokerto Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/pshms.v6i.1415

Abstract

Approximately 80% of stroke patients experience weakness/hemiparesis on one side of the body due to vascular abnormalities in certain hemispheres. If hemiparese is not treated immediately, it can cause permanent disability. Supporting examination that can be used to diagnose hemiparese is a non-contrast head CT scan. There are several ranges that can be applied to the examination. This affects the dose received by the patient. This study aims to compare the radiation dose (CTDIvol and DLP) in non-contrast head CT scan examination in hemiparese cases between the range from vertex to sinus maxillaris and the range from vertex to basic cranii. The research was conducted at KRT Setjonegoro Wonosobo Hospital in December 2023 using quantitative method. Data were obtained from a non-contrast head CT scan examination with hemiparese cases using the range vertex to sinus maxillary and range vertex to basic crani. Results: In the head CT Scan examination of hemiparese cases, the CTDIvol value for the range Vertex to sinus maxillaris and the range Vertex to basic cranii is 45.5 ± 12.6 mGy and 48.8 ± 14.6 mGy, while for the DLP for the range Vertex to sinus maxillaris is 609.8 ± 47.9 mGy.cm and for the range Vertex to basic cranii is 878.9 ± 42.1 mGy.cm. CTDIvol value is found to have no significant difference, but for the DPL value there is a significant difference in the non-contrast head CT scan examination without contrast with hemiparese cases The 2 CTDIvol and DLP values are still in accordance with the DRL recommendations recommended by Nuclear Energy Regulatory Agency (BAPETEN).
Comparison of image quality between flexible coil and special purpose coil sagittal section on mri manus digit 2-3 Verina, Alya; Utami, Hernastiti Sedya; Susanto, Fani; Hidayat, Fathur Rachmat; Syafi’ie, Mochammad; Samudra, Alan
Science Midwifery Vol 13 No 1 (2025): April: Health Sciences and related fields
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/midwifery.v13i1.1912

Abstract

MRI examination of the manus has a challenge in obtaining optimal image quality. Good image quality depends on four characteristics, one of which is the Signal to Noise Ratio (SNR). SNR can be affected by the use of appropriate radiofrequency (RF) coils so that it can increase the SNR value. This study aims to analyze the impact of using different coils on SNR and CNR values, especially in sagittal sections of Proton Density Fat Sat scans. This study is a quantitative study using 10 volunteer samples in the period of February 2025. The results of the study show that the SNR value in the overall anatomy has a p-value <0.05 which means there is a significant difference using flexible coils and special purpose coils. While the SNR value in per-anatomy manus digits 2-3 has a significant difference except for the volar plate anatomy with a p-value = 0.121 meaning there is no significant difference. And compared to flexible coil, the use of special purpose coil in this study has a higher CNR value, especially in the anatomy of the Distal Interphalangeal Joint - Middle Phalanges with an average value of 1221.200. This study provides evidence that the selection of the right coil greatly affects the quality of the resulting image, and the use of special purpose coil is considered to produce better image quality. Therefore, the author recommends the use of special purpose coils in MRI examinations of the manus digits 2-3.
Co-Authors Hidayat, Fathur Rachmat Pradika, Fannisa Rahma Rahardian, Arga Pratama Samudra, Alan Setialam, Farid Susanto, Fani Syafi’ie, Mochammad Utami, Hernastiti Sedya