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Regression Analysis of CT Head Examinations Without Contrast. 不加对比的CT头部检查的回归分析。
IF 0.5 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiologic Technology
Pub Date : 2025-01-01
Caleb W Ford

Computed tomography (CT) examination of the head without contrast can be used to help assess head injuries, severe headaches, dizziness, and other symptoms of aneurysm, bleeding, stroke, and brain tumors. It also helps doctors evaluate a patient’s face, sinuses, and skull, and might be used to plan radiation therapy for brain cancer. In emergency cases, it can reveal internal injuries and bleeding quickly enough to help save lives. This study assessed trends in pathological findings for patients who underwent CT head examinations without contrast to determine whether the findings were related to sex, indication for head CT, and hospital campus. To evaluate the relationship, linear regressions were analyzed for linearity, sample variation in the explanatory variable, and zero mean of the error term conditional on the independent variable.

目的：了解医学影像专业学生对心肺复苏（CPR）的认识及正确实施方法。方法：本横断面研究评估了法蒂玛健康科学学院医学影像专业本科三年级和四年级学生的心肺复苏术知识。采用Saquib等人的调查，由2名专家进行修改和验证，然后在5名潜在参与者中进行试点。该调查包括人口统计学问题以及对心肺复苏术表现的认识和看法。意识和学生知觉问题以选择题形式设计。结果：57名学生完成调查。其中50%不知道CPR或基本生命支持（BLS）程序。然而，84.2%的参与者听说过心肺复苏术和劳工统计局，89.5%的参与者想要学习它们。此外，91.2%的受访者同意在FCHS目前的医学成像本科课程中增加强制性的正式CPR或BLS课程。Abu Dhabi校区和Al Ain校区的学生对CPR和BLS的了解有所不同。讨论：这些发现与先前的研究结果一致，即医学影像专业的学生和其他医疗保健教育项目的学生对心肺复苏术和BLS有更多的一般知识，但对如何执行这些知识的具体知识较少。与其他研究结果一致的是，研究结果表明，受过训练的人更有可能进行心肺复苏术或BLS，并且对自己的能力更有信心。结论：FCHS医学影像学士课程的学生对如何实施心肺复苏缺乏认识。建议将正式的心肺复苏术和患者安全课程作为医学影像课程的一部分。
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引用次数: 0
Risk Factors for False-Negative Chest Radiography in Diagnosing Non-COVID-19 Pneumonia in Adults. 胸片假阴性诊断成人非covid -19肺炎的危险因素
IF 0.5 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiologic Technology
Pub Date : 2025-01-01
Zhichu Dai, Liwei He, Jiankun Liao, Xuanyu Wu
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引用次数: 0
How the New Generation of Workers Will Affect the Workplace. 新一代员工将如何影响工作场所。
IF 0.5 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiologic Technology
Pub Date : 2025-01-01
Mahsa Dehghanpour
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引用次数: 0
Screening and Scheduling of Complex Implantable Devices. 复杂植入装置的筛选与调度。
IF 0.5 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiologic Technology
Pub Date : 2025-01-01
Marisa L Burch
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引用次数: 0
Artificial Intelligence in Publishing. 出版中的人工智能。
IF 0.5 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiologic Technology
Pub Date : 2025-01-01
Kayla R Zehr
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引用次数: 0
Velocity Encoding of 4-D Flow MR Imaging Measurements Using Straight-Tube and Aortic Aneurysm Phantoms. 利用直管和主动脉瘤幻象进行4维血流磁共振成像测量的速度编码。
IF 0.5 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiologic Technology
Pub Date : 2025-01-01
Hiroaki Watanabe, Utaroh Motosugi, Hiroyuki Morisaka, Hisashi Johno, Masahiro Hamasaki, Junichi Sato, Kenji Sakakibara, Hiroshi Onishi

Purpose: This phantom-based study aimed to identify acceptable velocity encoding (VENC) settings for flow measurements in straight-tube and aortic aneurysm phantoms using 4-D flow magnetic resonance (MR) imaging.

Methods: A pulse flow pump was connected to 2 types of plastic phantoms (straight-tube and aortic aneurysm) to create steady and pulsatile flow, respectively. The validity of flow measurements with 4-D flow MR imaging using 2 VENC settings (16 and 32 cm/s) was examined, using flow meter measurements as the gold standard. The optimal VENC setting was 16 cm/s. Equivalence tests were conducted to identify acceptable VENC settings using an equivalence margin of 25%. A P value of less than .05 was considered significant.

Results: Using either steady or pulsatile flow in the straight phantom, it was found that the 4-D flow MR imaging measurement results with a VENC of 32 cm/s (P < .008) and 16 cm/s (P < .049) were acceptable (ie, within the range of equivalence). 4-D flow MR imaging measurements with VENC of 32 cm/s showed equivalence with flow meters under all conditions except for the aneurysm form and pulsatile flow conditions (P < .008). None of the VENC settings were acceptable using pulsatile flow in the aneurysm phantom because of overestimation (VENC of 16 cm/s) or underestimation (VENC of 32 cm/s).

Discussion: In the case of straight-tube morphology, acceptable measurement results can be obtained even with VENC settings twice the actual flow velocity. However, in the context of aortic aneurysm morphology, the authors speculated that achieving precise measurements with a VENC setting tailored to a straight tube would be challenging.

Conclusion: Twice the optimal VENC is acceptable in straight vessels. However, an appropriate VENC setting would be difficult for measuring pulsatile flow in an aneurysm.

目的：本研究旨在利用4-D血流磁共振（MR）成像技术，为直管和主动脉瘤的血流测量确定可接受的速度编码（VENC）设置。方法：将脉冲血流泵分别连接直管型和主动脉瘤型2种塑料假体，形成稳定血流和脉动血流。采用2种VENC设置（16和32 cm/s），以流量计测量为金标准，检查了4-D流量MR成像流量测量的有效性。最佳VENC设置为16 cm/s。采用等效裕度为25%的等效检验来确定可接受的VENC设置。P值小于0.05被认为是显著的。结果：在直椎体中使用稳定或脉动流时，VENC分别为32 cm/s （P < 0.008）和16 cm/s （P < 0.049）的4-D血流MR成像测量结果均可接受（即在等效范围内）。VENC为32 cm/s的4-D血流MR成像测量结果显示，除动脉瘤形态和脉动血流情况外，在所有情况下均与流量计相等（P < 0.008）。由于高估（VENC为16 cm/s）或低估（VENC为32 cm/s），在动脉瘤幻影中使用脉动流的所有VENC设置都是不可接受的。讨论：在直管形态的情况下，即使VENC设置为实际流速的两倍，也可以获得可接受的测量结果。然而，在主动脉瘤形态学的背景下，作者推测，使用量身定制的直管VENC设置来实现精确测量将具有挑战性。结论：两倍的最佳VENC在直血管中是可接受的。然而，适当的VENC设置将难以测量动脉瘤内的脉动流量。
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引用次数: 0
Building Diversity and Cultural Competence To Remove Medical Imaging Barriers. 建立多样性和文化能力以消除医学成像障碍。
IF 0.5 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiologic Technology
Pub Date : 2025-01-01
Mervril C Romain
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引用次数: 0
Nasogastric Tube Placement and Portable Radiography Examinations. 鼻胃管放置及便携式x线检查。
IF 0.5 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiologic Technology
Pub Date : 2025-01-01
Ryan D Williams, Beth A Young
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引用次数: 0
Pathophysiology and Intravascular Imaging of Calcified Coronary Lesions. 冠状动脉钙化病变的病理生理学和血管内成像。
IF 0.5 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiologic Technology
Pub Date : 2025-01-01
Kevin L Wininger
{"title":"Pathophysiology and Intravascular Imaging of Calcified Coronary Lesions.","authors":"Kevin L Wininger","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":51772,"journal":{"name":"Radiologic Technology","volume":"96 3","pages":"216-225"},"PeriodicalIF":0.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144796096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advanced Practice Coordinator: An Emerging Practice in Medical Radiation Technology. 高级实践协调员：医疗放射技术的新兴实践。
IF 0.5 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiologic Technology
Pub Date : 2025-01-01
Sean Richardson
{"title":"Advanced Practice Coordinator: An Emerging Practice in Medical Radiation Technology.","authors":"Sean Richardson","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":51772,"journal":{"name":"Radiologic Technology","volume":"96 3","pages":"189-191"},"PeriodicalIF":0.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144796090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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