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Susi Tri Isnoviasih
Poltekkes Kemenkes Semarang
Health Professions Medicine & Pharmacology Public Health Veterinary

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Hubungan Pengetahuan dan Kepatuhan Penerapan Proteksi Radiasi: Studi pada Mahasiswa Praktik Klinik Jurusan Teknik Radiodiagnostik dan Radioterapi, Poltekkes Kemenkes Semarang Sulistiyadi, Akhmad Haris; Abimanyu, Bagus; Kartikasari, Yeti; Isnoviasih, Susi Tri
Jurnal Imejing Diagnostik (JImeD) Vol. 9 No. 1: JANUARY 2023
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v9i1.10442

Abstract

Background: Radiation protection is very important for patient and personnel safety in radiology services. It has been given in the college through classical lectures, including in Radiodiagnostic and Radiotherapy Department Poltekkes Kemenkes Semarang. The student’s knowledge is routinely evaluated but their compliance in the clinical activities has never been specifically observed. This study aims to find out the relationship between knowledge toward compliance of the application of radiation protection on clinical practice students.Methods: This is quantitative research with a cross-sectional design. Research was conducted on 90 second-year clinical internship students of the Radiodiagnostic and Radiotherapy Department. The level of knowledge was measured by written test, while the level of compliance was observed by clinical observation. The affecting factors are investigated through indepth interview. Data were analyzed by Spearman Rank Correlation.Results: The knowledge levels among the students were "excellent” (18%), "good" (68%), and "fair" (14%). The radiation protection compliance levels were "good" (73%) and "very good" (27%). There was a significant relationship between radiation protection knowledge level toward radiation protection compliance (p value <0.05). The strength of the relationship was low (coefficient interval = 0.257). Conclusions: There was a relationship between knowledge and the level of compliance, but it was not the only influencing factor. The environment tends to have an effect on the level of compliance. Radiographers and clinical instructors should be good role model in applying radiation protection.
Nilai Dosis Radiasi pada Pemeriksaan Radiografi Abdomen AP Isnoviasih, Susi Tri; Aryani, Asri Indah; Bequet, Angga Yosainto
Jurnal Imejing Diagnostik (JImeD) Vol. 10 No. 2 (2024): JULI 2024
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v10i2.10813

Abstract

Background: Abdominal radiography examination is one of the examinations that is routinely carried out on the abdominal area to diagnose abnormalities in the abdominal area using radiation. In the stomach area there are gonads which are organs that are sensitive to radiation. The X-rays that come out of the X-ray tube are polyenergy, that is, they are composed of low energy x-ray, medium energy x-ray and high energy x-rays. Low energy x-rays have no benefit on the radiographic image information produced, but only increase the radiation dose on the skin surface. The additional x-ray filter is able to prevent low-energy x-rays from hitting the patient. The aim of this study is to determine the difference in the dose of radiation during the abdominal examination between the use of an additional filter and the use of an additional filter without an additional filter.Methods: The research was carried out at the Radiology Unit of the Prof. Dr. Margono Soekarjo Regional Hospital, Purwokerto and the Purwokerto Radiology Study Laboratory, Poltekkes Semarang with a sample of 50 samples with variations in the use of filters including 0 mm, 1 mm Al + 0.1 mm Cu, and 1 mm Al + 0.2 mm Cu and 2 mm Al. The data measured is the radiation dose On the surface of the Gonad organ's skin.Results: The results of measuring the average dose to the skin surface of the gonad organ are 180.26 mSv on a 0 mm Al filter, 83.32 mSv on a 1 mm Al + 0.1 mm Cu filter, 58.32 mSv on a 1 mm Al + 0 filter, 2 mm Cu and 119.49 mSv on a 2 mm Al filter. The greatest reduction in radiation dose occurred when using an additional filter of 1 mm Al + 0.2 mm Cu, amounting to 68% of that without using an additional filter. The decrease in the use of other filters was 54% when using an additional filter of 1 mm Al + 0.1 mm Cu and 34% when using an additional filter of 2 mm Al. The statistical tests showed there was a difference in the radiation dose during abdominal examination between using an additional filter and without using an additional radiation filter with a significance value of 0.000 (p-value < 0.05).Conclusions: There is a difference in radiation dose during abdominal examination between using an additional filter and without using an additional filter with a significance value of 0.000 (p-value < 0.05).
Nilai Entrance Skin Dose Tiroid antara menggunakan Thyroid Shield dan tanpa Thyroid Shield pada Pemeriksaan CT Scan Kepala Bequet, Angga Yosainto; Nurcahyo, Panji Wibowo; Isnoviasih, Susi Tri
Jurnal Imejing Diagnostik (JImeD) Vol. 10 No. 1: JANUARY 2024
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v10i1.10816

Abstract

Background: CT scans have a much greater dose than conventional radiographic examinations. The thyroid organ is an organ that is sensitive to radiation which is located near the head, precisely in the inferior part of the head so that when a CT scan of the head is carried out, the thyroid organ will be exposed to radiation. The aim of this study was to determine the difference in thyroid skin dose entry value between using a thyroid shield and without a thyroid shield on a head CT scan.Methods: This study is a type of quantitative research with a pre-experimental design. The object of research is Entrance Skin Dose (ESE) of ThyroidOrgan on non-contrast head CT Scan examination. The research location is at the Radiology Department at the Regional General Hospital Prof. Dr. Margono Soekarjo Purwokerto. Sample data number is 50 people (25 samples of non-contrast head CT scans without thyroid shield, and 25 samples of non-contrast head CT scans with thyroid shield. Data was obtained by measuring the radiation dose using a dosimeter placed over the thyroid area during a non-contrast CT scan between using a thyroid shield and without using a thyroid shield. Data analysis was performed using statistical tests Results: The results of measuring the radiation dose to the samples showed that the average radiation dose to the skin surface of the thyroid organ on a non-contrast CT scan without using a thoracic shield was 884.96 µSv and using a thyroid shield was 428.64 µSv. This shows that the average radiation dose from the skin surface of the thyroid organ decreased by 456.32 µSv (51.56%).Conclusions: There is a significant difference in the amount of radiation dose to the surface of the skin of the thyroid organ in non-contrast head CT scans between using a thyroid shield and without using a shield with a dose reduction of 51.6% of the radiation dose without using a thyroid shield.
Perbedaan Nilai Dosis Radiasi Permukaan Kulit Gonad pada Radiografi Abdomen Antero Posterior pada Nilai mA dan s Berbeda dengan Nilai mAs yang Sama Isnoviasih, Susi Tri; Bequet, Angga Yosainto; Nurcahyo, Panji Wibowo; Puspita, Mega Indah; Putri, Nabila Pramitya; Mufida, Widya
Jurnal Imejing Diagnostik (JImeD) Vol. 11 No. 1 (2025): JANUARY 2025
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v1i1.12308

Abstract

Background: Abdominal radiography examination is one of the examinations that is often carried out and contains radiosensitive organs, namely the gonads. Milli Ampere Second (mAs) is one of the parameters regulated in making radiographs besides kV. mAs is the product of mA and s and there are often variations in the use of mA and s values to produce the same mAs value. This study's objective was to identifythe difference in radiation dose values for the surface of the gonad skin on anteroposterior abdominal radiographs with changes in different combinations of mA and s values.sMethods: This is pre-experimental quantitative research. The research object is body phantom. Data were collected by exposing abdomen radiography the body phantom and measured the amount of radiation dose to the skin surface of the gonad. mA and s setting : 160 mA 125 ms; 200 mA 100 ms; dan 250 mA 80 ms. Data analysis was carried out using statistical tests.Results: The average radiation dose to the skin surface of the gonad organs in the combination is 160 mA 125 ms; 200 mA 100 ms; and 250 mA 80 ms, namely 883.27 µGy; 883.09 µGy; and 883.72 µGy. Statistical test results show there is no significant difference between the combination of 160 mA 125 ms; 200 mA 100 ms; and 250 mA 80 ms, namely 883.27 µGy; 883.09 µGy with a significance of 0.748 (p-value > 0.05). mAs determine the intensity of X-rays; the number of X-rays produced is proportional to milliamperes. As long as the mAs value remains constant, the amount of radiation intensity produced is the same, and the radiation dose is sameConclusions: There is no significant difference in the value of radiation dose to the skin surface of the gonad area on abdominal radiography with different combinations of mA and s values at the same mAs value
DESIGN AND CONSTRUCTION OF ORBITA PROTECTION EQUIPMENT FOR PANORAMIC EXAMINATION Indah Puspita, Mega; S.Si, M.Pd, Bagus Abimanyu; Handoko, Bagus Dwi; Wibowo, Ardi Soesilo; Darmawan, Erwin; isnoviasih, Susi tri; Fitriana, Ella
Journal of Applied Health Management and Technology Vol. 6 No. 2 (2024): October 2024
Publisher : Postgraduate Program , Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jahmt.v6i2.11607

Abstract

Panoramic dental radiography uses X-rays to produce radiographs of the jaw and facial structures, from the teeth to the TMJ and the entire dental arch. Exposure to X-rays during an examination can be problematic because sensitive areas such as the thyroid gland and eyes adjacent to tooth structure also receive radiation exposure. Patients in panoramic examinations do not use eye radiation protection equipment for the orbit, namely Pb glasses, while the eyes are close to the dental arch which can receive radiation exposure, so eye radiation protection equipment is needed in panoramic examinations for patient safety. The aim of the research is to determine the function test and performance test of the Eye Radiation Protection Device.This type of research is quantitative research with an experimental approach. The research sample was 3 patients with variations of 3 kV: 70, 76, and 86 kV with a setting of 10 mA. The radiation dose to the eye was measured using a phantom and pocket dosimeter before and after using the radiation protection design tool, then looking for the average, difference and percentage and carrying out the Kruskal-Wallis spss test.The results of the three radiographs showed no artifacts, the exposure factor before using the device was 70 kV = 0.08 mSv, 76 kV = 0.17, 86 kV = 0.27 mSv while the radiation dose received after using the device with an exposure factor of 70 kV = 0 mSv, 76 kV = 0.86 kV = 0.003 mSv, while from the Kruskall-walls statistical test pre-test and post test kV 70 shows a significant value of 0.034 <0.05, kV 76 does not show a significant value of 0.121 > 0.05, kV 86 shows a significant value of 0.043 <0.05. The design of this eye radiation protection device has succeeded in reducing or reducing the radiation dose around the eyes by up to 100%. Meanwhile, the level of feasibility of the tool has a respondent score of 80%. Suggestions for using a thermoluminescence radiation measuring instrument (TLD) with smaller units, namely µSv.
OPTIMIZING WINDOW WIDTH AND WINDOW LEVEL VARIATIONS IN HEAD CT SCANS IN HEMORRHAGIC STROKE CASES Puspita, Mega Indah; Aini, Veny Nur; Isnoviasih, Susi Tri; Darmawan, Erwin
Journal of Applied Health Management and Technology Vol. 7 No. 2 (2025): October 2025
Publisher : Postgraduate Program , Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

CT scanning is a medical imaging technique that allows detailed visualization of structures within the body using X-ray radiation. The pixel intensity in the image is interpreted in Hounsfield Units (HU), which measure the relative density of tissue compared to water. WW and WL are two important parameters in adjusting the visualization of CT scan images, allowing radiologists to optimize the display of various tissue structures. WW is the middle value of the selected HU range. This value determines the grayscale intensity that is the center of the image contrast range. WL in tissue with a certain density, such as distinguishing between brain tissue and lesions or edema. The purpose of this study is to optimize the use of parameters to improve image quality and diagnostic accuracy and determine the optimal WW and WL. This research supports secondary transformation in the health care system, in improving the quality of clinical services through innovation in diagnostic technology.This research is an experimental study. Direct measurements were made of variations in 10 window width values and 3 window level values. After data collection, three radiologists assessed the data using a questionnaire. A kappa test was performed to assess the agreement or similarity of observer perceptions in assessing the questionnaire. Data analysis was performed using the Kolmogorov-Sprinov test to determine the appropriate test. The normality test yielded a p-value > 0.05, indicating that the data were normally distributed.The Kappa test results of 0.82 with p <0.001 indicate that there is a very good level of agreement or agreement between observers in assessing the quality of CT Scan images. The Kolmogorov-Smirnov results show that the data distribution is normal with a p value = 0.120 (p > 0.05), thus fulfilling the requirements for parametric testing. The results of the Paired T-Test show differences in image quality between WW and WL. Window Width at 95 with Window Level 35 is proven to provide the most optimal image quality and produces the highest score (mean = 4.5). And shows better contrast between the area ofbleeding and normal brain tissue, so that bleeding can be clearly identified. The clarity of brain anatomy is also better seen compared to wider or narrower WW variations. In addition, the noise level is relatively low, so it does not interfere with the radiologist's interpretation in assessing the image.
Co-Authors Aini, Veny Nur Akhmad Haris Sulistiyadi Akhmad Haris Sulistiyadi Andrey Nino Kurniawan, Andrey Nino Angga Yosainto Bequet Ardi Soesilo Wibowo, Ardi Soesilo Aryani, Asri Indah Bagus Abimanyu Bagus Abimanyu, Bagus Bagus Dwi Handoko, Bagus Dwi Dartini Dartini Eri Hiswara Erwin Darmawan Felayani, Fadli Fitriana, Ella Panji Wibowo Nurcahyo Panji Wibowo Nurcahyo, Panji Wibowo Puspita, Mega Indah Putri, Nabila Pramitya Rizki Amalia S.Si, M.Pd, Bagus Abimanyu Saifudin Sri Mulyati Sulistiyadi, Akhmad Haris Widya Mufida, Widya Yeti Kartikasari Yeti Kartikasari, Yeti