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Zeitschriftenartikel zum Thema „Scan head“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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Munir, M., T. Shouter, and H. S. Tay. "63 Quality Improvement Project: Should We be Doing More or Less Ct Head Scans in the Health Care of Older People Department?" Age and Ageing 49, Supplement_1 (2020): i18—i20. http://dx.doi.org/10.1093/ageing/afz187.04.

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Abstract Introduction Older people are likely to have more CT head scans given their multiple co- morbidities, being on anticoagulants, and increased falls. The aims of this quality improvement project (QIP) were to identify the number of patients who had CT head scan, the reason/indication of it, the number of patients who had new finding/s on it, actions taken on new findings, and whether the management plan was altered because of the CT scan. Methods Medical notes and CT head scan reports of all patients admitted to the Health Care of Older People department from April to September 2018 wer

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Tsao, Shao-Lun, Yin-Yang Chen, Liang-Tsai Yeh, et al. "Impact of Computed Tomography Scans on the Risk of Thyroid Disease in Minor Head Injury Patients: A Population-Based Retrospective Cohort Study." International Journal of Environmental Research and Public Health 17, no. 11 (2020): 3873. http://dx.doi.org/10.3390/ijerph17113873.

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We investigated the association between head computed tomography (CT) scans and the risk of noncancer thyroid diseases in patients with minor head injury in a Taiwanese healthcare setting. For this retrospective population-based cohort study, the 2009–2013 Longitudinal Health Insurance Database was used to include patients with a minor head injury at admission or emergency visit between 2009 and 2013. Multivariate analysis with a multiple Cox regression model was applied to analyze the data. According to whether a CT scan was conducted within 14 days of admission, patients were divided into a

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Rieke-Zapp, D. H., and E. Trinkl. "Face to face - close range inspection of head vases." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W5 (August 21, 2017): 601–4. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w5-601-2017.

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Several hundred attic head vases are known worldwide and stored in museums and collections. In 1929, Beazley has categorized twenty groups (A-W) based on stylistic properties and historic methodology. Head vases are assembled in several steps, most important for our comparison is the moulding of the head area. While the other parts of head vases like the size of the handle and the painting can differ significantly from each other, one can notice similarities in the head shapes of the same group. Since molds were used to shape the heads, our initial hypothesis was to perform a quantitative comp

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Morton, Ryan P., Renee M. Reynolds, Rohan Ramakrishna, et al. "Low-dose head computed tomography in children: a single institutional experience in pediatric radiation risk reduction." Journal of Neurosurgery: Pediatrics 12, no. 4 (2013): 406–10. http://dx.doi.org/10.3171/2013.7.peds12631.

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Object In this study, the authors describe their experience with a low-dose head CT protocol for a preselected neurosurgical population at a dedicated pediatric hospital (Seattle Children's Hospital), the largest number of patients with this protocol reported to date. Methods All low-dose head CT scans between October 2011 and November 2012 were reviewed. Two different low-dose radiation dosages were used, at one-half or one-quarter the dose of a standard head CT scan, based on patient characteristics agreed upon by the neurosurgery and radiology departments. Patient information was also recor

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Pricilia Shalry Horuoby, Anak Agung Aris Diartama, and I Kadek Sukadana. "Analisis Nilai CTDIvol Dan DLP Pada Pemeriksaan CT Scan Brain Non Kontras Dewasa Untuk Periode Januari – Desember 2022 Di Instalasi Radiologi Rumah Sakit X Jakarta Pusat." Jurnal Rumpun Ilmu Kesehatan 3, no. 3 (2023): 280–93. http://dx.doi.org/10.55606/jrik.v3i3.2687.

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Background: CT scans are used for various types of examinations such as examinations of the head, thorax, abdomen and so on. The most frequently performed CT scan is a CT scan of the head. However, in the medical field, especially radiology, CT scans have the highest dose compared to other radiation equipment. Efforts to reduce radiation doses and radiation effects are by estimating the correct dose given to CT Scan patients using an optimization index called DRL (Diagnostic Level Reference), namely by evaluating the values of CTDIvol and DLP on CT scans of the head, which have been determin

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Siregar, Elshaday S. B., Gusti Ngurah Sutapa, and I. Wayan Balik Sudarsana. "Analysis of Radiation Dose of Patients on CT Scan Examination using Si-INTAN Application." BULETIN FISIKA 21, no. 2 (2020): 53. http://dx.doi.org/10.24843/bf.2020.v21.i02.p03.

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CT scan is widely used to diagnose the inside of the human body, so supervision is needed to ensure the health and safety of workers, patients and the public. One surveillance that can be done is to analyze the radiation dose of the patient on CT scan with the application of Si-INTAN. Data processing of the results of CT scan of the head, thorax and abdomen for ages 0-4 years, 5-14 years and ? 15 years using the Si-INTAN application. From the results of the data processing, the highest DRL DLP value and CTDIVOL values were obtained, for CT scan heads were 1732,8 mGycm and 31,92 mGy, the CT sca

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Yunus, Muhamad, Alfi Wahyudi, Arti Febriyani H, and Rona Asla Romiza. "Karakteristik Hasil CT-Scan Kepala pada Penderita Cedera Kepala di Rumah Sakit Dr.H.Abdul Moeloek periode Januari – Desember Tahun 2018." ARTERI : Jurnal Ilmu Kesehatan 1, no. 3 (2020): 177–83. http://dx.doi.org/10.37148/arteri.v1i3.56.

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Computerized Tomography (CT) -Scans examination are the main choice modalities in patients with acute head injuries because they are able to view the entire brain tissues and accurately distinguish the nature and presence of intracranial lesions and Extracranial. This study aim to determine the characteristics of results CT-Scan head on the patient's head injury at Dr.H.Abdul Moeloek Hospital January to December Period 2018. The research is a descriptive study with a crosssectional approach. The samples in this study were all records of medical head injury patients at Dr.H.Abdul Moeloek Hospit

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Bequet, Angga Yosainto, Panji Wibowo Nurcahyo, and Susi Tri Isnoviasih. "Nilai Entrance Skin Dose Tiroid antara menggunakan Thyroid Shield dan tanpa Thyroid Shield pada Pemeriksaan CT Scan Kepala." Jurnal Imejing Diagnostik (JImeD) 10, no. 1 (2024): 10–14. http://dx.doi.org/10.31983/jimed.v10i1.10816.

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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

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Bordignon, Kelly C., and Walter Oleschko Arruda. "CT scan findings in mild head trauma: a series of 2,000 patients." Arquivos de Neuro-Psiquiatria 60, no. 2A (2002): 204–10. http://dx.doi.org/10.1590/s0004-282x2002000200004.

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The present study describes the cranial computed tomography (CT) scan findings of 2,000 cases of mild head trauma (HT) in Curitiba, Southern Brazil. The mean age of the entire series was 30.8 <FONT FACE=Symbol>±</FONT>19 years. The overall male to female ratio was 2:1. The most common causes of head injury were interpersonal aggression (17.9%), falls (17.4%), automobile accidents (16.2%), falls to the ground (13.1%) and pedestrian injuries (13 %). Alcohol intoxication was associated with HT in 158 cases (7.9%). A normal CT scan was seen in 60.75% (1215) and an abnormal CT scan in 3

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Danielson, Kris, Teresa Hall, Terrence Endres, Clifford Jones, and Deb Sietsema. "Clinical Indications of Computed Tomography (CT) of the Head in Patients With Low-Energy Geriatric Hip Fractures: A Follow-Up Study at a Community Hospital." Geriatric Orthopaedic Surgery & Rehabilitation 10 (January 1, 2019): 215145931986156. http://dx.doi.org/10.1177/2151459319861562.

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Introduction: A seemingly large percentage of geriatric patients with isolated low-energy femur fractures undergo a head computed tomography (CT) scans during initial work up in the emergency department. This study aimed to evaluate the pertinent clinical variables that are associated with positive CT findings with the objective to decrease the number of unnecessary CT scans performed. Methods: A retrospective review performed at a level II trauma center including 713 patients over the age of 65 sustaining a femur fracture following a low-energy fall. The main outcome measure was pertinent cli

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Masood, Sameer, Victoria Woolner, Joo Hyung Yoon, and Lucas B. Chartier. "Checklist for Head Injury Management Evaluation Study (CHIMES): a quality improvement initiative to reduce imaging utilisation for head injuries in the emergency department." BMJ Open Quality 9, no. 1 (2020): e000811. http://dx.doi.org/10.1136/bmjoq-2019-000811.

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Over 90% of patients with head trauma seen in emergency departments (EDs) are diagnosed with minor head injuries. Over-utilisation of CT scans results in unnecessary exposure to radiation and increases healthcare utilisation. Using recommendations from the Choosing Wisely Canada (CWC) campaign and quality improvement (QI) methodology, we aimed to reduce the CT scan rate for head injuries by 10% over a 6-month period.Baseline CT scan rates were determined through a 27-month retrospective cohort review. We used stakeholder engagement and provider surveys to develop our driver diagram and Plan-Do

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Ngan, Daniel C. S., Om P. Kharbanda, Joseph P. Geenty, and M. Ali Darendeliler. "Comparison of radiation levels from computed tomography and conventional dental radiographs." Australasian Orthodontic Journal 19, no. 2 (2003): 67–75. http://dx.doi.org/10.2478/aoj-2003-0009.

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Abstract Background: With the increasing use of computed tomography (CT) in oral diagnosis and treatment planning, concern has been expressed about the high levels of radiation used, and the associated risks. Objectives: The purpose of this study was to compare the radiation doses of facial CT scans with the radiation doses taking a lateral cephalometric radiograph, a panoramic radiograph (OPG), an occlusal film, and an intra-oral periapical radiograph. Methods: An Alderson-Rando anthropomorphic phantom head was used for the analysis. Thirty-six lithium fluoride thermoluminescent dosimeters we

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Güneysu, Semih, Fatih Guneysu, Halit Berk Canga, and Ayhan Sarıtaş. "Management of Minor Head Trauma in Children: Evaluation of Emergency Department Practices and CT Decisions." Medical Science and Discovery 11, no. 12 (2024): 402–6. https://doi.org/10.36472/msd.v11i12.1214.

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Objective: This study aims to improve the management of minor head trauma cases frequently encountered in emergency medicine by optimizing the use of computed tomography (CT) scans. The goal is to minimize patients' exposure to radiation and reduce escalating hospital costs. Material and Methods: This prospective, descriptive study included 370 pediatric patients aged 0–18 years with minor head trauma who presented to the Emergency Department of Düzce University Research and Application Hospital over a one-year period. Detailed records of demographic data, presenting symptoms, Glasgow Coma Sca

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Elmoheen, Amr, Waleed Salem, and Khalid Bashir. "Reducing unnecessary CT scan of the head for minor paediatric head injuries at the emergency department." BMJ Open Quality 10, no. 1 (2021): e000973. http://dx.doi.org/10.1136/bmjoq-2020-000973.

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The CT scan is a determining imaging study in the diagnosis and treatment of head trauma; however, its indiscriminate application can have serious consequences for patients and the health system. More than 45% of CT scans of the head requested for minor head injuries in the paediatric age group in the emergency department were not correctly indicated according to international guidelines. The root of such a high percentage was misinformation and lack of knowledge about the ideal parameters for requesting a CT scan for minor head injuries. To achieve this, survey-based interventions and educati

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MacDonald, S., É. Mercier, T. O'Brien, M. Mercuri, and K. de Wit. "P088: Emergency physicians’ approach to head CT scanning for elderly patients who fall: A survey of Canadian, American, British, and Australian emergency physicians." CJEM 21, S1 (2019): S95. http://dx.doi.org/10.1017/cem.2019.279.

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Introduction: The number of seniors presenting to emergency departments after a fall is increasing. Head injury concerns in this population often leads to a head CT scan. The CT rate among physicians is variable and the reasons for this are unknown. This study examined the role of patient characteristics and country of practice in the decision to order a CT. Methods: This study used a case-based survey of physicians across multiple countries. Each survey included 9 cases pertaining to an 82-year old man who falls. Each case varied in one aspect compared to a base case (aspirin, warfarin, or ri

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Fitriana, Kartika Puspa, Rini Indrati, and Andrey Nino Kurniawan. "Analysis of Computed Tomography Dose Index (CTDI) And Dose Length Product (DLP) Dose Values On Non-Contrast Head, Chest And Abdominal CT Scan Examination At RSUD Ulin Banjarmasin." SANITAS: Jurnal Teknologi dan Seni Kesehatan 14, no. 2 (2024): 131–46. http://dx.doi.org/10.36525/sanitas.2023.471.

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Background: CT scans produce the largest dose of radiation compared to other radiology modalities. The parameters for measuring the amount of radiation dose from the CT Scan aircraft are the Computed Tomography Dose Index (CTDI) and the Dose Lenght Product (DLP). One form of Bapeten supervision in controlling radiation protection is to optimize the Diagnostic Raference Level (DRL). At RSUD Ulin Banjarmasin, the CT Scan modality has never been measured for CT Scan dose on CT Scan examination of the Head, Thorax and Abdomen Non Contrast which are the most frequent examinations. Dosage parameters

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Imanharibsar, Hary Romeo. "Neuron Specific Enolase Levels’ Relationship with CT Scan Images on Head Injury Patients." Indonesian Journal of Multidisciplinary Science 2, no. 10 (2023): 3273–82. http://dx.doi.org/10.55324/ijoms.v2i10.572.

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Head injuries can cause closed injuries, or open injuries that can penetrate the skin, starting from the skin as the outermost layer, to the bones of the skull, blood vessels of the brain, and brain tissue as cranio-cerebral injuries. The authors wanted to prove whether there is a picture between NSE serum levels and a CT scan of the head that describes the severity of a head injury. The type of research used in this research is analytic observational research. The study design in this study was a cross sectional which aims to describe the levels of Neuron Specific Enolase (NSE) serum with CT

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Saran, Maryam, Morteza Arab-Zozani, Meysam Behzadifar, et al. "Overuse of computed tomography for mild head injury: A systematic review and meta-analysis." PLOS ONE 19, no. 1 (2024): e0293558. http://dx.doi.org/10.1371/journal.pone.0293558.

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Background Computed tomography (CT) scan is a common imaging technique used to evaluate the severity of a head injury. The overuse of diagnostic interventions in the health system is a growing concern worldwide. Objectives: The aim of this systematic review is to investigate the rate of CT scan overuse in cases of mild head injury. Methods Eligibility criteria: We encompassed observational studies—either designed as cohort, case-control, or cross-sectional investigations—that reported on CT scan overuse rates for mild head injuries. Studies had to be published in peer-reviewed, English-languag

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Öğrenci, Ahmet, Orkun Koban, Murat Ekşi, Onur Yaman, and Sedat Dalbayrak. "The Necessity of Follow-Up Brain Computed-Tomography Scans: Is It the Pathology Itself Or Our Fear that We Should Overcome?" Open Access Macedonian Journal of Medical Sciences 5, no. 6 (2017): 740–43. http://dx.doi.org/10.3889/oamjms.2017.157.

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AIM: This study aimed to make a retrospective analysis of pediatric patients with head traumas that were admitted to one hospital setting and to make an analysis of the patients for whom follow-up CT scans were obtained.METHODS: Pediatric head trauma cases were retrospectively retrieved from the hospital’s electronic database. Patients’ charts, CT scans and surgical notes were evaluated by one of the authors. Repeat CT scans for operated patients were excluded from the total number of repeat CT scans.RESULTS: One thousand one hundred and thirty-eight pediatric patients were admitted to the cli

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Yuana, Firdi, Kusharto Kusno, and Achmad Hidayat. "Determining Effective Dose on Computed Tomography Scan (CT SCAN) in Head Scanning." Natural-B 1, no. 1 (2011): 81–86. http://dx.doi.org/10.21776/ub.natural-b.2011.001.01.11.

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Zhao, Zhenhua, Yiming Lyu, Tim Leschinger, Kilian Wegmann, Lars Peter Müller, and Michael Hackl. "Imaging diagnosis of radial head fractures—evaluation of plain radiography vs. CT scans." Obere Extremität 16, no. 3 (2021): 198–202. http://dx.doi.org/10.1007/s11678-021-00642-z.

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Abstract Background Radial head fractures represent a common pathology that can cause permanent disability, especially if not treated correctly. Plain radiographs as well as computed tomography (CT) scans represent important diagnostic measures. The specific differences between these two imaging modalities with regard to diagnosis of radial head fractures have not been evaluated to date. Objective This study aimed to compare estimations of fracture classification, percentage of articular fracture involvement, and fragment sizes through plain radiography with CT scan evaluations. Methods A tota

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Zulfatul, Naily, Sayekti Dwi W., Mas Ayu F., and Lailatul M. "PENENTUAN DIAGNOSTIC REFERENCE LEVEL (DRL) DAN KAJIAN PEMILIHAN PARAMETER EXPOSUR PADA CT SCAN KEPALA DAN ABDOMEN DI RSUD BANGIL." Prosiding Seminar Si-INTAN 4, no. 1 (2024): 57–61. http://dx.doi.org/10.53862/ssi.v4.092024.009.

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A study has been conducted to determine the local diagnostic reference level (DRL) value of CT scans at Bangil Regional Hospital. The determination and calculation of the DRL value are based on the measurement of the patient's dose, namely using the CT scan examination results in the form of CTDIVol values and DLP values. The DRL value is determined from the CTDIVol and DLP data distribution in quartile 3. Patient dose data uses a Toshiba 16-slice CT scan and a Canon 160-slice CT scan. Seven hundred twenty data were obtained, distinguished by 680 adults and 40 children. The local DRL value at

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Matias, Joana, Sofia Almeida, Sofia Ferrito, et al. "A Experiência duma Norma de Atuação no Traumatismo Crânio-Encefálico Ligeiro em Idade Pediátrica: Estudo Longitudinal de Três Anos." Acta Médica Portuguesa 30, no. 10 (2017): 704. http://dx.doi.org/10.20344/amp.8795.

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Introduction: Head injury is common in children, with mostly being minor and not resulting in intracranial injury. Computerized tomography head scan is the preferred exam, but implies exposure to radiation; the indications for computerized tomography head scan in minor injuries are not consensual. An expectant approach is a good option in most cases. The aim was to compare the patients hospitalized and subjected to computerized tomography head scan with patients hospitalized but not subjected to computerized tomography head scan in order to assess the safety of our institution’s practice proto

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Sidipratomo, Prijo, Trijono Karmawan Sukana Prija, Bachtiar Murtala, Agus Purwadianto, and Gatot Susilo Lawrence. "Role of Postmortem Multislice Computed Tomography Scan in Close Blunt Head Injury." Indonesian Biomedical Journal 6, no. 2 (2014): 101. http://dx.doi.org/10.18585/inabj.v6i2.36.

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BACKGROUND: Conventional autopsy in Indonesia is not well accepted as it is contrary to religion and culture. New radiological imaging method such as multislice computed tomography (MSCT) scan has potential to be a diagnostic tool in forensic pathology. The purpose of this study is to determine the ability of MSCT scan in finding abnormalities in close blunt head injury compared with autopsy.METHODS: This study used descriptive qualitative method. Postmortem cases in Department of Forensic Medicine and Radiology of Dr. Cipto Mangunkusumo Hospital were selected based on inclusion criteria. Then

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Garba, I., A. Speelman, and AM Tabari. "Mild Head Injury: Criteria for Computed Tomography Scan." Journal of Radiography and Radiation Sciences 23, no. 1 (2022): 7–15. http://dx.doi.org/10.48153/jrrs/2009/vgkl1679.

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Background/Objective: Mild Head Injury (MHI) is the most commontype of head trauma, and forms a majority of the injuries seen in the traumaunit (65-85%).1 This study was aimed at using previously identifiedclinical risk factors to determine which category of patients with MHIwould not need to undergo Computed Tomography (CT). This may serveas cost saving measure to patients and hospitals likewise reduce collectiveradiation dose to the population.Methodology: A retrospective study conducted at the trauma unit of ateaching hospital situated in the Cape Metropole. CT scan images of 50patients age

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Sri Wikanadi, Ni Nyoman, I. Putu Eka Juliantara, and Made Purwa Darmita. "ESTIMASI NILAI DOSIS PADA PEMERIKSAAN CT SCAN KEPALA DEWASA BERDASARKAN NILAI CTDIvol DAN DLP." JRI (Jurnal Radiografer Indonesia) 5, no. 2 (2022): 107–10. http://dx.doi.org/10.55451/jri.v5i2.136.

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ABSTRACT  Background: Estimating the exact dose in CT Scan patients can be done by referring to an optimization index called DRL (Diagnostic Reference Level). Currently, the DRL for CT-Scans is expressed in CTDIvol (Computed Tomography Dose Index Volume) and DLP (Dose Length Product). The purpose of this study was to analyze the distribution of radiation dose values on a CT scan of the adult head based on the CTDIvol and DLP values referring to the IDRL reference from BAPETEN. Methods: This research is descriptive quantitative research with an observational approach. The

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Puspitaningtyas, Dyah Ayu, Alfian Danie, and Muhammad Fa’ik. "Effectiveness of Head MSCT Examination in Cases of Mild Head Injuries." Journal of Health (JoH) 12, no. 1 (2025): 119–25. https://doi.org/10.30590/joh.v12n1.900.

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Mild Head Injury (MIH) with a Glasgow Coma Scale (GCS) score of 13-15, has symptoms of temporary loss of neurological function, mild to severe headache and vomiting, CT-Scan examination is performed if there are signs of skull fracture and vomiting more than once. MSCT examination of the head at the Radiology of Salatiga City Hospital uses a scan area from the vertex to the mandible. The purpose of this study was to determine the effectiveness of Head MSCT examination in mild head injury cases. The research method used was descriptive qualitative method with a case study approach. The study wa

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Sorour, Mohammad, Khaled M. Krisht, and William T. Couldwell. "Intraventricular Hemorrhage after Epidural Blood Patching: An Unusual Complication." Case Reports in Neurological Medicine 2014 (2014): 1–3. http://dx.doi.org/10.1155/2014/406289.

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The authors present two cases of intraventricular hemorrhage (IVH) believed to be a result of epidural blood patching. The first was a 71-year-old woman who had new onset of nontraumatic IVH on computed tomography (CT) scan after undergoing an epidural blood patch (EBP). This amount of intraventricular blood was deemed an incidental finding since it was of very small volume to account for her overall symptoms. The second patient, a 29-year-old woman, was found to have nontraumatic IVH three days after undergoing an EBP. This was seen on CT scan of the head for workup of pressure-like headaches

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Zygourakis, Corinna C., Ethan Winkler, Lawrence Pitts, Lisa Hannegan, Benjamin Franc, and Michael T. Lawton. "Clinical utility and cost analysis of routine postoperative head CT in elective aneurysm clippings." Journal of Neurosurgery 126, no. 2 (2017): 558–63. http://dx.doi.org/10.3171/2016.1.jns152242.

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OBJECTIVE Postoperative head CT scanning is performed routinely at the authors' institution on all neurosurgical patients after elective aneurysm clippings. The goal of this study was to determine how often these scans influence medical management and to quantify the associated imaging costs. METHODS The authors reviewed the medical records and accounting database of 304 patients who underwent elective (i.e., nonruptured) aneurysm clipping performed by 1 surgeon (M.T.L.) from 2010 to 2014 at the University of California, San Francisco. Specifically, the total number of postoperative head CT sc

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Oertel, Matthias, Daniel F. Kelly, David McArthur, et al. "Progressive hemorrhage after head trauma: predictors and consequences of the evolving injury." Journal of Neurosurgery 96, no. 1 (2002): 109–16. http://dx.doi.org/10.3171/jns.2002.96.1.0109.

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Object. Progressive intracranial hemorrhage after head injury is often observed on serial computerized tomography (CT) scans but its significance is uncertain. In this study, patients in whom two CT scans were obtained within 24 hours of injury were analyzed to determine the incidence, risk factors, and clinical significance of progressive hemorrhagic injury (PHI). Methods. The diagnosis of PHI was determined by comparing the first and second CT scans and was categorized as epidural hematoma (EDH), subdural hematoma (SDH), intraparenchymal contusion or hematoma (IPCH), or subarachnoid hemorrha

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Rothenbuehler, Simon P., Lasse Malmqvist, Mohamed Belmouhand, et al. "Comparison of Spectral-Domain OCT versus Swept-Source OCT for the Detection of Deep Optic Disc Drusen." Diagnostics 12, no. 10 (2022): 2515. http://dx.doi.org/10.3390/diagnostics12102515.

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Deep optic disc drusen (ODD) are located below Bruch’s membrane opening (BMO) and may go undetected due to the challenges in imaging them. The purpose of this study is a head-to-head comparison of currently widely used imaging technologies: swept-source optical coherence tomography (SS-OCT; DRI OCT-1 Triton, Topcon) and enhanced depth imaging spectral-domain optical coherence tomography (EDI SD-OCT; Spectralis OCT, Heidelberg Engineering) for the detection of deep ODD and associated imaging features. The eyes included in this study had undergone high-resolution imaging via both EDI SD-OCT and

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Dr., Rekha Khare, and A.K. Khare Dr. "An analysis of 2800 CT Head scans in patients with chronic headache." International Journal of Medical Research and Review 7, no. 3 (2019): 190–94. https://doi.org/10.17511/ijmrr.2019.i03.07.

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Introduction: Chronic headache is a common health problem in general medical practice and there is increasing demand of CT scan from specialist as well as non-specialist doctors to refer patients for CT head scan. Patients and methods: The present study was done on 2800 CT head scans of patients with problem of chronic headache. While patients in Group 1 (n=1900) had only chronic headache without any neurological findings, Group B comprised of cases (n=900) referred by specialist doctors after neurological examination. CT scan was done by trained technicians and contrast was injected where nec

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Radaideh, Khaldoon, Ali Al-Radaideh, Ramzun Maizan Ramli, Abdallah Saleh, and Rasha Alshayeb. "Establishment of national diagnostic dose reference levels (DRLs) for routine computed tomography examinations in Jordan." Polish Journal of Medical Physics and Engineering 29, no. 1 (2023): 26–34. http://dx.doi.org/10.2478/pjmpe-2023-0003.

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Abstract Background: Dose reference levels (DRLs) are used as indicators as well as guidance for dose optimization and to ensure justification of appropriate dose for a given clinical indication. The main aims of this study were to establish local DRLs for each CT imaging protocol as a reference point to evaluate the radiation dose indices and to compare our DRLs with those established in other countries and against the internationally reported guidelines. Materials and methods: 2000 CT dose reports of different adult imaging protocols from January 2021 until April 2022 were collected retrospe

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Yogi, Nikunj, Balgopal Karmacharya, and Amrit Gurung. "Clinical Predictors of Abnormal Computed Tomography Findings in Mild Head Injury." Nepalese Journal of Radiology 8, no. 2 (2018): 20–25. http://dx.doi.org/10.3126/njr.v8i2.22978.

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Introduction: Whether to scan a minor head injury with Glasgow Coma Scale (GCS) 15 who appears well and has a normal physical and neurological exam or not is an issue commonly faced in all emergency departments. In this study, we tried to assess the predictability of clinical parameters in predicting traumatic intracranial lesions in Computed Tomography (CT) scans of patients with minor head injuries with GCS 15.Methods: A prospective observational study was carried out in between January to December 2016 in Manipal Teaching Hospital, Pokhara, Nepal. Various clinical predictors of 415 cases of

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Irma Rizky, Ni Putu Rita Jeniyanthi, and Cokorda Istri Ary Widiastuti. "Prosedur Pemeriksaan CT Scan Kepala Dengan Klinis Stroke Hemorrhagic Di RS Bhayangkara Makassar." Journal of Educational Innovation and Public Health 2, no. 1 (2023): 101–6. http://dx.doi.org/10.55606/innovation.v2i1.2096.

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Background: CT Scan is a medical technology that can show images in the form of slices to see the anatomy of the human body because this technology combines X-rays and television. Basically, how a CT scan works uses a radiation source from X-rays. There are various examinations that can be carried out using a CT scan, one of which is a head examination with a CT scan. CT scan of the head at the Radiology Installation at Bhayangkara Hospital Makassar uses a Slice Thickness of 3 mm to produce a better image. The aim of this research is to determine the Head CT Scan Examination Procedure for Clin

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Chen, Xu, Tengfei Guo, Yubin Hou, Jing Zhang, Wenjie Meng, and Qingyou Lu. "A High Rigidity and Precision Scanning Tunneling Microscope with Decoupled XY and Z Scans." Scanning 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/1020476.

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A new scan-head structure for the scanning tunneling microscope (STM) is proposed, featuring high scan precision and rigidity. The core structure consists of a piezoelectric tube scanner of quadrant type (for XY scans) coaxially housed in a piezoelectric tube with single inner and outer electrodes (for Z scan). They are fixed at one end (called common end). A hollow tantalum shaft is coaxially housed in the XY-scan tube and they are mutually fixed at both ends. When the XY scanner scans, its free end will bring the shaft to scan and the tip which is coaxially inserted in the shaft at the commo

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Mishra, Rakesh Kumar, Ashok Munivenkatappa, Vasuki Prathyusha, Dhaval P. Shukla, and Bhagavatula Indira Devi. "Clinical predictors of abnormal head computed tomography scan in patients who are conscious after head injury." Journal of Neurosciences in Rural Practice 08, no. 01 (2017): 064–67. http://dx.doi.org/10.4103/0976-3147.193538.

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ABSTRACT Background: Indication of a head computed tomography (CT) scan in a patient who remains conscious after head injury is controversial. We aimed to determine the clinical features that are most likely to be associated with abnormal CT scan in patients with a history of head injury, and who are conscious at the time of presentation to casualty. Materials and Methods: This is a prospective observation study of patients presented to casualty with history of head injury, and who were conscious, i.e., Glasgow Coma Scale (GCS) 15 at the time of evaluation. All patients underwent head CT scan.

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Wu, Dan, Gang Wang, Bingyang Bian, Zhuohang Liu, and Dan Li. "Benefits of Low-Dose CT Scan of Head for Patients With Intracranial Hemorrhage." Dose-Response 19, no. 1 (2020): 155932582090977. http://dx.doi.org/10.1177/1559325820909778.

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Objectives: For patients with intracranial hemorrhage (ICH), routine follow-up computed tomography (CT) scans are typically required to monitor the progression of intracranial pathology. Remarkable levels of radiation exposure are accumulated during repeated CT scan. However, the effects and associated risks have still remained elusive. This study presented an effective approach to quantify organ-specific radiation dose of repeated CT scans of head for patients with ICH. We also indicated whether a low-dose CT scan may reduce radiation exposure and keep the image quality highly acceptable for

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Ginat, Daniel. "Implementation of Machine Learning Software on the Radiology Worklist Decreases Scan View Delay for the Detection of Intracranial Hemorrhage on CT." Brain Sciences 11, no. 7 (2021): 832. http://dx.doi.org/10.3390/brainsci11070832.

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Background and Purpose: Prompt identification of acute intracranial hemorrhage on CT is important. The goal of this study was to assess the impact of artificial intelligence software for prioritizing positive cases. Materials and Methods: Cases analyzed by Aidoc (Tel Aviv, Israel) software for triaging acute intracranial hemorrhage cases on non-contrast head CT were retrospectively reviewed. The scan view delay time was calculated as the difference between the time the study was completed on PACS and the time the study was first opened by a radiologist. The scan view delay was stratified by sc

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Tayal, A., and PK Chhetri. "Evaluation of acute head injury by computed tomography scan in College of Medical Sciences-Teaching Hospital, Chitwan." Journal of College of Medical Sciences-Nepal 7, no. 1 (2012): 36–39. http://dx.doi.org/10.3126/jcmsn.v7i1.5971.

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This study was conducted to evaluate the computed tomography findings in patient with acute head injury and to emphasize the importance of computed tomography scan in head injury. One hundred consecutive patients presenting to the emergency department with head injury were evaluated by computed tomography scan of the head. Seventy five patients (75%) were male and twenty five (25%) were females. The age of the patients ranged from three to seventy years and the most affected age group was between thirty and forty (40%). The common causes of head injury were motor vehicle accident (70%), fall i

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Kvam, Kathryn A., Vanja C. Douglas, William D. Whetstone, S. Andrew Josephson, and John P. Betjemann. "Yield of Emergent CT in Patients With Epilepsy Presenting With a Seizure." Neurohospitalist 9, no. 2 (2018): 71–78. http://dx.doi.org/10.1177/1941874418808676.

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Background: Studies of emergent neuroimaging in the management of patients presenting with a breakthrough seizure are lacking. We sought to determine how often emergent computed tomography (CT) scans are obtained in patients with known epilepsy presenting with a seizure and how often acute abnormalities are found. Methods: This multicenter retrospective cohort study was performed in the emergency department at 2 academic medical centers. The primary outcomes were percentage of visits where a CT scan was obtained, whether CT findings represented acute abnormalities, and whether these findings c

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Lobato, Ramiro D., Rosario Sarabia, Juan J. Rivas, et al. "Normal computerized tomography scans in severe head injury." Journal of Neurosurgery 65, no. 6 (1986): 784–89. http://dx.doi.org/10.3171/jns.1986.65.6.0784.

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✓ The authors analyze the clinical course of 46 severely head-injured patients who had completely normal computerized tomography (CT) scans through the immediate posttraumatic period (1 to 7 days after trauma). These patients represent 10.2% of a consecutive series of 448 cases of severe head injuries and two-thirds of the cases showing a normal CT scan on admission (the other one-third of the cases developed new pathology). The usual course in these 46 patients after the initial coma was toward progressive neurological improvement, and 35 patients (76%) achieved a functional level of survival

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Chen, Chao-Wen, Yun-Ting Lou, Chi-Ming Chu, et al. "Less Is More? The Impact of Trauma Volume on the Positive Rate of Head Computed Tomography Scans in Head Trauma Patients." Scientific World Journal 2012 (2012): 1–6. http://dx.doi.org/10.1100/2012/340317.

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Objective. Few studies have assessed the impact of trauma volume on the operational efficiency of emergency departments. Herein, we evaluate the association between trauma volume with the positive rate of head computed tomography scans in head trauma patients in a tertiary care hospital.Methods. This is a retrospective cohort review involving all head trauma patients presenting to a tertiary care hospital. Trauma census, head trauma patient volume, the number of emergent head CT scans, and the number of positive head CT scans were collected on a monthly basis. Comparison was primarily made bet

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Wang, Yuxiang, You Zhang, Zhiyao Duan, and Mark Bocko. "Employing deep learning method to predict global head-related transfer functions from scanned head geometry." Journal of the Acoustical Society of America 150, no. 4 (2021): A348. http://dx.doi.org/10.1121/10.0008543.

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We propose an HRTF personalization method in which a Convolutional Neural Network (CNN) is employed to learn subjects' HRTFs from the scanned geometry of their heads. The trained model can then be employed to predict the global HRTF set (for all directions) from the subject's head scan data alone. In our trial, the HUTUBS HRTF database was used as the training set. A truncated spherical harmonic expansion of head scan data was used to preserve the boundary shape features that are important in the acoustic scattering process. Each HRTF for a given subject also was represented by a truncated sph

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Yom, Sue S. "Oncology Scan—Head and Neck Cancers." International Journal of Radiation Oncology*Biology*Physics 85, no. 1 (2013): 3–5. http://dx.doi.org/10.1016/j.ijrobp.2012.08.022.

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Foote, Robert L. "Oncology Scan – Head and Neck Cancers." International Journal of Radiation Oncology*Biology*Physics 83, no. 2 (2012): 477–79. http://dx.doi.org/10.1016/s0360-3016(12)00529-9.

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Aprilia Hariyani, Dita. "PEMANTAUAN DOSIS RADIASI PADA CT SCAN UNTUK MENGETAHUI PERSENTASE POTENSI KANKER DI RSUD DR. MOH SALEH PROBOLINGGO." Prosiding Seminar Si-INTAN 3, no. 1 (2023): 87–94. http://dx.doi.org/10.53862/ssi.v3.092023.015.

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CT Scan is a diagnostic tool that helps identify body disorders without surgery. It works by using X-ray radiation to create images of the body. However, X-rays can be harmful to the human body. This study aims to determine the amount of radiation exposure associated with a CT scan and the potential cancer risk from this exposure. The study analyzed 1396 scans, including 1046 scans of the head, 128 scans of the thorax, and 221 scans of the abdomen, using contrast and non-contrast techniques. The effective dose was calculated by multiplying the Dose Length Product (DLP) by the organ weight fact

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Amir, Sohail, Haris Hameed, Shahid Ayub, and Farzana Begum. "Role of Repeat CT Scan Brain in Mild to Moderate Head Injury." BMC Journal of Medical Sciences 4, no. 2 (2023): 34–37. https://doi.org/10.70905/bmcj.04.02.0156.

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Objective: The goal of the research is to determine the responsibility of repeat strategy of CT scan brain from temperate to medium type of injury in the head. Material and Methods: The situation gives importance to the retrospective examination of the patients who appear in the neurosurgery section at Hayatabad Medical Complex in the Peshawar emergency department. The study comprised 1055 patients with a GCS of 8 or higher who received medical care in the settings of a hospital after passing the repeat strategy of CT scan during patient stay at the hospital. Details about the physical analysi

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Naseer, Naureen, Nazir Najeeb Kapadia, and Sarwat Masud. "Validity of Pediatric Emergency Care Applied Research Network (PECARN) in Pediatric Trauma Patients - A Cross Sectional Study from a Tertiary Care Hospital in Pakistan." Annals of King Edward Medical University 28, no. 1 (2022): 58–63. http://dx.doi.org/10.21649/akemu.v28i1.4994.

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Introduction: Head trauma in the pediatric age group is a common presentation in the Emergency Room (ER). The Pediatric Emergency Care Applied Research Network (PECARN) tool can help an ER clinician to identify pediatric head trauma patients at very low risk of clinically important traumatic brain injuries (ciTBIs) and avoid unnecessary CT scans. Objective: To determine the validity of PECARN rule as compared to the head CT (gold standard) in identifying low risk traumatic brain injury pediatric patients. Methods: A cross-sectional study was done at Aga Khan University Hospital (AKUH) Emergenc

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Maharjan, Surendra, Sudil Prajapati, and Om Biju Panta. "Measurement of radiation dose in multi-slice computed tomography." Bangabandhu Sheikh Mujib Medical University Journal 9, no. 4 (2016): 196. http://dx.doi.org/10.3329/bsmmuj.v9i4.30143.

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<p>The aim of this study was to measure the radiation doses for computed tomography (CT) examinations of the head, chest and abdomen in adult patients in Nepal in comparison to international standard. Dose length products (DLP) and effective doses for standard patient sizes were calculated from the reported volume CT dose index (CTDI<sub>Vol</sub>). Details were obtained from approximately 90 CT examinations carried out in 128 slice CT scan. Effective dose was calculated for each examination using CT dose indices, exposure related parameters and CTDI-to-effective dose convers

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