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Variation of Prenatal Ultrasound-Estimated Cephalic Index; A Comparative Study of Igbo, Hausa and Yoruba Ethnic Groups in Nigeria 产前超声测量头侧指数的变化尼日利亚伊博、豪萨和约鲁巴族的比较研究
Pub Date : 2022-03-23 DOI: 10.48153/jrrs.v32i1.223138
Ayang, Ol, Abonyi, Lc
Background: Fetal ultrasound-estimated cephalic index refers to the ratio of the fetal biparietal diameter (BPD) to the occipito-frontal diameter (OFD) by means of ultrasound estimation. The cephalic index is regarded as a useful anthropometric variable in medicine, forensic science and anthropology. There is limited data on the cephalic indices of Nigerian fetuses Objective:  To check for variations of prenatal ultrasound-estimated cephalic indices between fetuses of Igbo, Yoruba and Hausa ancestry. Methodology: In a cross sectional study carried out in ultrasound diagnostic centres in Lagos, Enugu and Kano, all in Nigeria, fetal biparietal and occipitofrontal diameters were obtained from 200 fetuses each of Igbo, Yoruba and Hausa ethnic groups. The cephalic index was calculated for each group. The values were statistically analysed after deriving the relevant indices. Result: The fetal cephalic indices for  Igbo, Yoruba and Hausa ethnic groups were observed to be 80 ± 3.4, 79.1 ± 5.1 and 78.4 ± 2.6 %,  respectively. Conclusion:  The results showed that fetuses of Igbo ancestry had a different cephalic index categorization from other ethnic groups. This knowledge will be useful to sonographers and researchers.    
背景:胎儿超声估计头侧指数是指通过超声估计胎儿双顶叶直径(BPD)与枕额直径(OFD)的比值。头侧指数被认为是医学、法医学和人类学中有用的人体测量变量。目的:检查伊博、约鲁巴和豪萨血统胎儿的产前超声估计的头侧指数的差异。方法:在尼日利亚拉各斯、埃努古和卡诺超声诊断中心进行的一项横断面研究中,从伊博、约鲁巴和豪萨族裔群体各200名胎儿中获得了胎儿双顶叶和枕额叶直径。计算各组的头侧指数。得出相关指标后,对数值进行统计分析。结果:伊博族、约鲁巴族和豪萨族胎儿头畸形指数分别为80±3.4、79.1±5.1和78.4±2.6 %。结论:伊博族胎儿的头指数分类与其他少数民族胎儿不同。这些知识将对超声医师和研究人员有用。
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引用次数: 0
Quality Control of Conventional X-Ray Tube in Three Tertiary Hospitals in South-East, Nigeria 尼日利亚东南部三所三级医院常规x射线管质量控制
Pub Date : 2022-03-23 DOI: 10.48153/jrrs.v32i1.223078
Nworah Nf, C. Nzotta, H. Chiegwu, Oyekunle Eo, Ikegwuonu Nc, Ugwuanyi Dc
Background:Quality control of conventional x-ray tube ensures that the patient integral radiation dose is minimized and image quality is improved, by controlling the x-ray beam to reduce scatter radiation.  Objective:To assess x-ray tubes for half value layer (HVL), x-ray field and light field congruence using known standard. Methodology:The HVLs were measured using calibrated, non-invasive, digital multifunctional detector meter that incorporate computer output. The detector was positioned at the center of the collimated beam axis with focus-to-image distance (FID) of 100 cm. Tube potentials of 80 and 100 kVp were selected, and used to make exposures. The corresponding HVLs were then recorded. Also, x-ray field and light field congruence were measured by placing 18 cm x 24 cm cassette loaded with film at FID of 100 cm. The collimator light was in ON position and metal markers were used to delineate the periphery of the light field. Misalignment was calculated from the developed radiographs using standard formula. Results:The HVL ranged from 3.40 to 4.4mmAl. Also, the sum of the misalignment in both orthogonal directions ranged from 7.21 to 9.70 % of FID in all three centers. Conclusion:The HVL were within standard limit at 80 and 100 kVp in all the centers studied. However, x-ray field and light field were grossly misaligned.    
背景:传统x射线管的质量控制是通过控制x射线束来减少散射辐射,以保证患者整体辐射剂量的最小化和图像质量的提高。目的:用已知标准评价x射线管半值层(HVL)、x光场和光场一致性。方法:hvl测量使用校准,非侵入性,数字式多功能检测器,包括计算机输出。探测器位于准直光束轴线的中心,聚焦像距离(FID)为100 cm。选择80和100 kVp的管电位进行曝光。然后记录相应的hvl。此外,通过将装有薄膜的18 cm x 24 cm盒式磁带放置在100 cm的FID处,测量x射线场和光场一致性。准直器光处于ON位置,用金属标记圈定光场外围。用标准公式从显影的x线片中计算不对准。结果:HVL范围为3.40 ~ 4.4mmAl。此外,在两个正交方向上,三个中心的误差总和为FID的7.21 ~ 9.70%。结论:各中心HVL均在80、100 kVp的标准范围内。然而,x射线场和光场严重错位。
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引用次数: 0
Accuracy of X-Ray Exposure Parameters in some Radio-diagnostic Centres in Kaduna State, Nigeria 尼日利亚卡杜纳州一些放射诊断中心x射线暴露参数的准确性
Pub Date : 2022-03-23 DOI: 10.48153/jrrs.v32i1.223228
Abeabe, Christopher Ishiekwen, A. Aliyu
Background: Dose levels in radio-diagnostic settings depend largely on equipment status and examination techniques. It is essential to carry out quality control (QC) on the x-ray systems to ensure proper optimization and the maintenance of quality for better diagnostic outcome, and to avoid the risk of injury. Objective: To carryout QC for the assessment of the accuracy of exposure parameters for the purpose of optimization of radiation protection. Methodology: Quality control measurements including tube output, kVp, mA and timer accuracy, linearity and reproducibility were carried out using a multi-function quality control kit, RMI, 181B and measuring tape. Results: The results of these measurements indicate that the tube output of the machines within the kVp range of 60 to 120 falls between 13.52 x 10-3 and 161.26 x 10-3 with a linear relationship between the kVp and tube output in all the hospitals. It also showed exposure parameters’ operation to be within tolerance limits except in a single hospital with aspects of out-of-range performance. Conclusion: All equipment under study functioned within safe limits but further investigation and corrective action is required in one of the centres.    
背景:放射诊断设置中的剂量水平主要取决于设备状态和检查技术。必须对x射线系统进行质量控制(QC),以确保适当的优化和维护质量,以获得更好的诊断结果,并避免受伤的风险。目的:对辐照参数的准确性进行质量控制,以达到优化辐射防护的目的。方法:使用多功能质控试剂盒、RMI、181B和卷尺进行质量控制测量,包括管输出、kVp、mA和计时器精度、线性度和重现性。结果:测量结果表明,在kVp 60 ~ 120范围内,各医院机器的管输出在13.52 × 10-3 ~ 161.26 × 10-3之间,kVp与管输出呈线性关系。它还表明,暴露参数的操作在容忍范围内,除了在一家医院有超出范围的表现。结论:研究中的所有设备都在安全范围内运行,但需要在其中一个中心进行进一步调查和纠正措施。
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引用次数: 0
Hysterosalpingographic Interrogation of Infertility at Lagos State University Teaching Hospital (LASUTH), Ikeja, Nigeria 尼日利亚Ikeja,拉各斯州立大学教学医院(LASUTH)不孕的子宫输卵管造影检查
Pub Date : 2022-03-21 DOI: 10.48153/jrrs.v33i1.223066
Jamiu Isiaq, C. Ohagwu, Kelechi Okwara
Background: The African traditional society places a high premium on fecundity and therefore, views infertility as a personal tragedy. Prolonged infertility might lead to suicidal tendencies, stigmatization, marital instability, and enormous psychological stress. In recent times in Nigeria, there appears to be an upsurge in the number of couples investigated for infertility using hysterosalpingography (HSG). Objective: To observe the trend of HSG findings at a foremost tertiary hospital in Nigeria. Methods: A consecutive enlistment of HSG radiographs concluded and reported on between July 2014 to December 2018. Using an inclusion criteria of patients who had an initial ultrasound scan prior to HSG as noted from radiologists reports, a sample size of 623 radiographs was enlisted from a HSG population of 2,624 cases. Patients’ demographic information were extracted from their request cards and radiologists’ reports. Results: Patients were aged 22 – 54 (mean: 36.30 ± 6.00) years, with a modal age range of 31 – 40 year (58.5 %) showing the highest throughput. Hysterosalpingography abnormalities were in two broad sites of uterus and fallopian tubes with the former showing a higher frequency ((n = 362, 58.11 %). Specifically, fibroid (n = 198, 31.80 %) and congenital anomalies (n = 24, 3.80 %) were the most and least prevalent abnormalities, respectively. Conclusions: Women aged 31 – 40 years were the most common patients for HSG, and uterine fibroid was the most common abnormality found in this study.
背景:非洲传统社会高度重视生育能力,因此将不孕视为一种个人悲剧。长期不孕可能导致自杀倾向、被污名化、婚姻不稳定和巨大的心理压力。最近在尼日利亚,使用子宫输卵管造影(HSG)调查不孕不育的夫妇数量似乎激增。目的:观察尼日利亚某一流三级医院输卵管造影的变化趋势。方法:在2014年7月至2018年12月期间连续征集并报告的HSG x线片。根据放射科医生报告中提到的在HSG之前进行初始超声扫描的患者的纳入标准,从2624例HSG人群中招募了623张x光片样本。患者的人口统计信息是从他们的请求卡和放射科医生的报告中提取的。结果:患者年龄为22 ~ 54岁(平均36.30±6.00)岁,其中31 ~ 40岁(58.5%)的患者吞吐量最高。子宫输卵管造影异常主要出现在子宫和输卵管的两个宽部位,其中前者的发生率较高(n = 362, 58.11%)。其中,子宫肌瘤(n = 198, 31.80%)和先天性异常(n = 24, 3.80%)是最常见和最不常见的异常。结论:31 ~ 40岁的女性是最常见的HSG患者,子宫肌瘤是本研究中最常见的异常。
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引用次数: 0
A Review of Medical Imaging Innovations that Impacted Patient Care in Recent Decades as Link to Future Trends 回顾近几十年来影响患者护理的医学成像创新与未来趋势的联系
Pub Date : 2022-03-21 DOI: 10.48153/jrrs.v33i1.223069
Njoku, Jérôme, Abonyi, L. Chibuzo
Background: Medical Imaging has witnessed a revolution in technological advancement, being in the forefront among other disciplines in the health sector. Most of the earlier modalities that were largely analogue and mechanical have been replaced by automated and digitized technology. Objective: To track the developments and innovations in certain aspects of medical imaging that have impacted positively on patient care. Methods: Relevant literature were searched physically and online for both old and modern technological innovations in medical imaging and patient care. Results: There have been new technologies such as computed tomography, magnetic resonance imaging and the various ramifications of ultrasonography. Innovations in imaging modalities have brought increased diagnostic accuracy, much as examination time has been drastically shortened and radiation dose levels minimized or completely dispensed with. Manufacturing of portable equipment means that technology can now be taken to the patient and more time is dedicated to patient care. Introduction of digital radiography and Picture Archiving and Communication Systems have further impacted positively on efficiency and effectiveness of service delivery. Graduate degree programmes have invigorated radiographers’ drive for the discovery of new and better ways of diagnosis and treatment through research. Conclusion: Innovations in technology have led to miniaturization of equipment making it possible to take services to the critically ill patients, thereby improving patients’ accessibility to medical care. Also patients’ exposure to ionizing radiation has reduced due to improvement in research and development of new modalities using radiant energies other than ionizing radiation. 
背景:医学成像见证了一场技术进步的革命,在卫生部门的其他学科中处于前列。大多数早期的主要是模拟和机械的模式已经被自动化和数字化技术所取代。目的:跟踪医学影像学某些方面的发展和创新,这些发展和创新对患者护理产生了积极的影响。方法:检索医学影像学和患者护理方面的新旧技术创新的相关文献。结果:有了新的技术,如计算机断层扫描、磁共振成像和超声检查的各种分支。成像方式的创新提高了诊断的准确性,就像检查时间大大缩短,辐射剂量水平最小化或完全免除一样。便携式设备的制造意味着现在可以将技术带到患者身上,并且可以将更多的时间用于患者护理。数码放射照相和影像存档及通讯系统的引入,进一步提高了服务的效率和效益。研究生学位课程激发了放射技师通过研究发现新的更好的诊断和治疗方法的动力。结论:技术创新使设备小型化,为危重患者提供服务成为可能,从而提高了患者获得医疗服务的可及性。此外,由于使用电离辐射以外的辐射能量的新模式的研究和开发的改进,患者暴露于电离辐射的情况也有所减少。
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引用次数: 0
How Knowledgeable are Non-Radiology Doctors on Ionizing Radiation 非放射科医生对电离辐射了解多少
Pub Date : 2022-03-21 DOI: 10.48153/jrrs.v33i1.223068
Aisha R. Faragai, A. Ugwu, Mohammed Hassan, M. Sidi
Background: Due to the risk of hazard from ionizing radiation, non-radiology doctors who refer patients to the radiology departments ought to be knowledgeable enough about what their patients are subjected to. The high throughput of radiology requests in our centre in Nigeria justifies this study. Aim: To evaluate the level of knowledge of non-radiology doctors on ionizing radiation with a view to reviewing local protocols on justification of investigations involving ionizing radiation. Material and method: Eighty (80) structured questionnaires were administered to non-radiology doctors practising in different hospitals n Kano city, Nigeria. Answers were elicited on radiation protection principles, concept of ionizing radiation, radiation effects, imaging modalities that emit ionizing radiation, radiation measurements and attitude towards ionizing radiation. Results: Seventy questionnaires were returned out of the eighty sent out with sixty-four (80 %) being properly filled. Knowledge of non-radiology doctors was variable on different indices; 15.6 %, n = 10 (fundamental principles of radiation protection); 45.3 %, n = 29 (effects of ionizing radiation); 34.4 %,  n = 22 (knowledge on ionizing property of radiation); 73 %, n = 47 (emission of ionizing radiation by computed tomography); and 85.9 %, n = 55 (interest in specific modality). Conclusion:  Non-radiology doctors in Kano metropolis have fairly good knowledge of potential hazards of radiation.
背景:由于电离辐射的危害风险,转介病人到放射科的非放射科医生应该对他们的病人所受的辐射有足够的了解。我们在尼日利亚中心的高通量放射学要求证明了这项研究的合理性。目的:评估非放射科医生对电离辐射的知识水平,以审查当地有关电离辐射调查理由的规定。材料和方法:对尼日利亚卡诺市不同医院的非放射科医生进行了80份结构化问卷调查。与会者就辐射防护原理、电离辐射概念、辐射效应、发射电离辐射的成像方式、辐射测量和对电离辐射的态度等问题作出了回答。结果:共发放问卷80份,回收问卷70份,正确填写64份(80%)。非放射科医生的知识在不同指标上存在差异;15.6%, n = 10(辐射防护基本原理);45.3%, n = 29(电离辐射的影响);34.4%, n = 22(辐射电离特性知识);73%, n = 47(计算机断层扫描电离辐射发射);85.9%, n = 55(对特定模态的兴趣)。结论:卡诺市非放射科医师对辐射的潜在危害有较好的认识。
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引用次数: 0
Perception of Sister Health Professionals about Radiography Profession in Nigeria 尼日利亚姐妹保健专业人员对放射专业的看法
Pub Date : 2022-03-21 DOI: 10.48153/jrrs.v33i1.223071
Uche H. Chiegwu, Lois N. Nwokeocha, Loveth O. Obi, Uzuegbunam C. Ukamaka,, Okonkwo C. Chibuzo
Objective To investigate the perception of sister professional groups in Nigeria towards radiography profession. Methods: Questionnaires were used to survey the opinions of 160 healthcare professionals from five professional groups. The respondents scored radiographers on some characteristics of professional occupations. Results: Only in education was radiography scored 70.0 % and above by respondents. The range of scores in other areas was 55 – 65 %. Conclusion: Nigerian radiographers need to strive harder to improve public perception on many indices.      
目的了解尼日利亚姐妹专业群体对放射专业的看法。方法:采用问卷调查法,对5个专业组别160名医护人员进行意见调查。受访者对放射技师的一些专业职业特征进行评分。结果:只有在教育方面,被调查者的放射学评分在70.0%及以上。其他领域的得分范围为55 - 65%。结论:尼日利亚放射技师需要更加努力地提高公众对许多指标的认识。
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引用次数: 0
Audit of Radiology Request Cards in a Tertiary Hospital in NorthWest Nigeria 尼日利亚西北部某三级医院放射请求卡审核
Pub Date : 2022-03-21 DOI: 10.48153/jrrs.v33i1.223070
Khadija A. Muhammad, M. Dambele, Mohammed Hassan, M. Sidi
  Background: Radiology request cards are essential communication tools between physicians and  radiation personnel. Clinical audit is part of quality assurance that guarantees patient care. Objective:  To assess the adequacy of patient data and clinical information filled in request cards sent to Radiology Department of our facility by referring clinicians. Material and methods: Four hundred (400) radiology request cards were randomly selected from the records of the department and scrutinized for bio-data/clinical information. Result: Completely filled request cards were 2/267 (ultrasound), 1/40 (computed tomography) and  2/93 (conventional x-ray).  Conclusion: Consistency in complete filliing of radiology request cards in our facility was lacking. The audit revealed actual practice, and the need for improvement.     
背景:放射请求卡是医生和放射人员之间必不可少的沟通工具。临床审计是质量保证的一部分,保证病人的护理。目的:通过转诊临床医生,评估我院放射科申请卡中填写的患者资料和临床信息的充分性。材料和方法:从科室记录中随机抽取400张放射学请求卡,并仔细检查生物数据/临床信息。结果:全填请求卡为2/267(超声),1/40(计算机断层扫描)和2/93(常规x线)。结论:我院放射科要求卡填写的一致性较差。审计揭示了实际操作,以及改进的需要。
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引用次数: 0
Patient X-Ray Entrance Surface Dose at a Tertiary Hospital in Sokoto, North-West Nigeria. 尼日利亚西北部索科托一家三级医院的病人x射线入口表面剂量。
Pub Date : 2022-03-21 DOI: 10.48153/jrrs.v33i1.223073
Akpaniwo G.M
  Background: The entrance surface dose (ESD) has been used to determine the diagnostic reference levels (DRL) by regulatory bodies to help medical radiation workers to checkmate excessive dose to patients. Objective: To peer review practice in our centre using recommended diagnostic reference levels (DRLs) as standard. Methods: A prospective cross-sectional study of fifty x-ray patients who had thermoluminescent dosimeters (TLD-100) taped on their skin to quantify entrance surface dose (ESD) during x-ray investigation. The patients appeared in Radiology Department of Usmanu Danfodiyo University Teaching Hospital (UDUTH), Sokoto between 1st August and 30th September 2018. Their weights and heights were measured directly. Thereafter, they were divided into 5 groups of ten each for five specific anatomical areas: PA chest, AP of pelvis, abdomen, lumbosacral spine, and lateral lumbosacral spine. Irradiated TLDs were read, and the mean ESD was calculated. Results:  Entrance surface dose (ESD) was 0.26 mGy (chest), 0.46 mGy (AP lumbosacral), 0.71 mGy (pelvis), 1.3 mGy (abdomen), and 1.6 mGy (lateral lumbosacral). The ESD values were found to be lower than similar studies carried out in Nigeria, as well as diagnostic reference levels in UK. Conclusion: Optimization of patient protection in UDUTH was comparable to recommended practices locally and internationally.  
背景:入口表面剂量(ESD)已被监管机构用于确定诊断参考水平(DRL),以帮助医疗辐射工作者检查患者的过量剂量。目的:探讨以推荐诊断参考水平(drl)为标准的同行评议实践。方法:对50例x线患者进行前瞻性横断面研究,这些患者在x线调查时皮肤上粘有热释光剂量计(TLD-100),以量化入口表面剂量(ESD)。这些患者于2018年8月1日至9月30日期间出现在索科托乌斯马努丹福迪约大学教学医院(UDUTH)放射科。他们的体重和身高是直接测量的。然后,根据5个特定解剖区域将患者分为5组,每组10人,分别为胸部前位、骨盆前位、腹部、腰骶脊柱、腰骶外侧脊柱。读取辐照后的tld,计算平均ESD。结果:入口表面剂量(ESD)为0.26 mGy(胸部)、0.46 mGy(腰骶侧)、0.71 mGy(骨盆)、1.3 mGy(腹部)、1.6 mGy(腰骶外侧)。发现ESD值低于尼日利亚进行的类似研究,也低于英国的诊断参考水平。结论:UDUTH患者保护的优化与本地和国际推荐做法相当。
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引用次数: 1
Factors that affect Teaching and Learning among Undergraduate Radiography Students in two Nigerian Universities. 影响尼日利亚两所大学放射学本科学生教学的因素。
Pub Date : 2022-03-21 DOI: 10.48153/jrrs.v33i1.223072
Uche H. Chiegwu, Chimuanya D Ugwuanyi, Chigozie F. Ofokansi
Objectives: To understand undergraduate radiography students’ perception on effective teaching and learning. Methods: Two hundred (200) radiography students from different academic levels of Nnamdi Azikiwe University, Nnewi Campus and University of Nigeria, Enugu Campus, were enlisted.  Self-completion semi- structured questionnaires were used to obtain information from students on their perception of the teaching methods employed by lecturers. Results: Results revealed that factors such as teaching methods, lecturers’ knowledge of the subject,  their disposition at lectures, use of clear concepts and their practical applications, learning environment, use of visual teaching aids, and use of non-judgmental feedback on students’ work can influence effective learning. Other influencing factors included workload and lecture scheduling, student academic level, age, gender and availability of facilities. Conclusion: The academic performance of students is not only influenced by the lecturer’s knowledge of the subject but also the method used, available facilities, the age and academic level of the students.     
目的:了解本科放射学学生对有效教与学的认识。方法:选取奈米迪·阿齐基维大学奈维校区和尼日利亚大学埃努古校区不同学术水平的放射学专业学生200名。本研究采用半结构式问卷,以了解学生对讲师教学方法的看法。结果:结果显示,教学方法、讲师对学科的知识、讲课时的性格、清晰概念的使用及其实际应用、学习环境、视觉教具的使用以及对学生作业的非判断性反馈等因素都会影响有效学习。其他影响因素包括课业负担和讲课安排、学生的学术水平、年龄、性别和设施的可用性。结论:学生的学习成绩不仅受授课教师学科知识的影响,还受授课方法、教学设施、学生的年龄和学术水平的影响。
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引用次数: 0
期刊
Journal of Radiography and Radiation Sciences
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