单源CT扫描乳突协议中锡滤波器对噪声值变化的分析:幻象研究

IF 0.7 Q4 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH International Journal of Migration Health and Social Care Pub Date : 2023-09-26 DOI:10.58860/ijsh.v2i9.92
Merry Suzana, Kusworo Adi, Darmini Darmini
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引用次数: 0

摘要

自1972年问世以来,CT扫描技术逐年发展迅速,尤其是在降低辐射剂量方面;各种技术已经发展起来,包括双能量或双源技术,技术只有四分之一的龙门架旋转。本研究的目的是利用单源CT扫描:幻象研究,找出并分析乳突CT扫描方案中锡滤波器对噪声的变化。本研究采用的方法是前实验+后测试对照设计。噪声值研究结果显示,噪声和信噪比值存在p值差异(p<0.05),与标准方案相比,辐射剂量降低了41.95%。除Sn100协议外,NPS值的频率为0.28。两名放射科医师的主观分析kappa值为0.75,表明有中等程度的一致。锡过滤器Sn100方案可以降低辐射剂量,产生的图像质量足以用于诊断目的,因此锡过滤器Sn100方案可以作为Hermina Depok医院乳突CT扫描检查的标准操作程序。该研究可能有助于改进乳突CT扫描方案,从而改善图像质量,减少辐射暴露,提高临床实践中的诊断能力。
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Analysis of Variation of Tin Filter on Noise Values in CT Scan Mastoid Protocol Using CT Scan Single Source: Phantom Study
Since its introduction in 1972, CT Scan technology has developed rapidly from year to year, especially in reducing radiation dose; various technologies have been developed, including dual-energy or dual source technology with a technique of only a quarter of the gantry rotation. The aim of this research is to find out and analyze tin filter variations on noise in the mastoid CT scan protocol using a single source CT scan: phantom study. The method used in this research is Pre-Experimental with Posttest-Only Control Design. The noise value research results showed a difference in noise and SNR values with a p-value (p<0.05), and there was a reduction in radiation dose of 41.95% compared to the standard protocol. NPS values are at a frequency of 0.28, except for the Sn100 protocol. Subjective Analysis by two radiologists with a kappa value of 0.75 indicated that there was a moderate level of agreement. The Tin Filter Sn100 protocol can reduce the radiation dose, and the resulting image quality is good enough for diagnostic purposes, so the Tin Filter Sn100 protocol can be used as a Standard Operational Procedure for Mastoid CT Scan examination at Hermina Depok Hospital. This study has implications that may contribute to refining mastoid CT scanning protocols, leading to improved image quality, reduced radiation exposure, and improved diagnostic capabilities in clinical practice.
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来源期刊
International Journal of Migration Health and Social Care
International Journal of Migration Health and Social Care PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-
CiteScore
1.30
自引率
0.00%
发文量
21
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