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  • 文章类型: Journal Article
    目的:研究部分负重教学过程中的音频-生物反馈如何影响依从性,与传统方法相比,在老年人中;并调查个体特征的影响。
    方法:这项随机对照试验的主要结局指标是负荷量,以地面反作用力测量,在部分承重腿上。次要结果是个体特征对负载量的影响。包括年龄在60岁或以上的健康志愿者,没有步态障碍。参与者被随机分配到两组中的一组;致盲是不可能的。使用带有音频-生物反馈的拐杖(干预组)或浴室秤(对照组)训练20公斤的部分负重。在使用传感器鞋垫的六次活动中测量了负重程度。在15和25kg之间的平均负荷被定义为粘附。
    结果:对于所有测量的活动,两组之间的负重没有统计学上的显着差异。对于坐-站-坐活动,负重在15-25kg的依从性范围内(音频-生物反馈:21.7±16.6kg;规模:22.6±13kg)。为了站立,负荷低于下限阈值(10±7vs.10±10kg)。两组的负重均高于上阈值:步行(26±11vs.34±16),提升(29±18vs.34±20kg)和降压(28±15vs.35±19kg)。认知功能水平较低,年龄较大,较高的体重指数与超负荷有关。
    结论:音频生物反馈与量表方法相比没有统计学上的显着益处。认知功能较低,年龄大和体重指数高与超负荷有关.
    背景:由于不是临床试验并且由于横截面设计(一个测量点,没有健康干预,一个人的健康状况没有变化)。
    OBJECTIVE: To investigate how audio-biofeedback during the instruction of partial weight-bearing affected adherence, compared to traditional methods, in older adults; and to investigate the influence of individual characteristics.
    METHODS: The primary outcome measure of this randomised controlled trial was the amount of load, measured as the ground reaction force, on the partial weight-bearing leg. The secondary outcome was the influence of individual characteristics on the amount of load. Included were healthy volunteers 60 years of age or older without gait impairment. Participants were randomly allocated to one of two groups; blinding was not possible. Partial weight-bearing of 20 kg was trained using crutches with audio-biofeedback (intervention group) or a bathroom scale (control group). The degree of weight-bearing was measured during six activities with sensor insoles. A mean load between 15 and 25 kg was defined as adherent.
    RESULTS: There was no statistically significant difference in weight-bearing between the groups for all activities measured. For the sit-stand-sit activity, weight-bearing was within the adherence range of 15-25 kg (audio-biofeedback: 21.7 ± 16.6 kg; scale: 22.6 ± 13 kg). For standing, loading was below the lower threshold (10 ± 7 vs. 10 ± 10 kg). Weight-bearing was above the upper threshold for both groups for: walking (26 ± 11 vs. 34 ± 16), step-up (29 ± 18 vs. 34 ± 20 kg) and step-down (28 ± 15 vs. 35 ± 19 kg). Lower level of cognitive function, older age, and higher body mass index were correlated with overloading.
    CONCLUSIONS: Audio-biofeedback delivered no statistically significant benefit over the scale method. Lower cognitive function, older age and higher body mass index were associated with overloading.
    BACKGROUND: Not applicable due not being a clinical trial and due to the cross-sectional design (one measurement point, no health intervention, no change in health of a person).
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  • 文章类型: Journal Article
    与心理治疗服务机构合作实施康复计划,根据政府机构的要求,旨在改善患者预后(有效性)和减少从业者变异性(公平性)。利用学习卫生系统组件的案例研究,包括国家规定的患者结果数据,包括三个18个月的阶段:(1)回顾性基线;(2)改善患者结局(管理主导);和(3)降低执业医师的变异性(临床医师主导).主要分析集中于35名从业者(NPR=35),他们在三个阶段中保持不变,每个阶段的患者(NPA分别为930、1226、1217)。可靠的改善率决定了患者的预后,多层次建模产生了从业者的影响。为了测试泛化性,将结果与每个阶段的整个从业者样本进行比较:(1)NPR=81,NPA=1982;(2)NPR=80,NPA=2227;(3)NPR=74,NPA=2267。卫生研究机构授予了道德批准。对于核心和整个从业者样本,患者结果在连续阶段都得到了改善,其中最大的影响发生在管理主导的干预措施中。除了管理主导的对整个样本的干预外,在核心和整个从业者样本中,从业者的变异性均在连续阶段降低。与管理层主导的干预相比,医师主导的干预在核心样本中降低了超过60%的医师效应,在整个样本中降低了接近50%.实施学习卫生系统的多个组成部分可以改善心理治疗服务的有效性和公平性。
    To work with a psychological therapies service to implement a recovery plan, as required by a government body, aimed at improving patient outcomes (effectiveness) and decreasing practitioner variability (equity). A case-study utilizing components of a learning health system, including nationally mandated patient outcome data, comprising three 18-month phases: (1) retrospective baseline; (2) improving patient outcomes (management-led); and (3) reducing practitioner variability (clinician-led). Primary analyses focused on 35 practitioners (NPR = 35) who were constant across the three phases and their patients in each phase (NPA = 930, 1226, 1217, respectively). Reliable improvement rates determined patient outcomes and multilevel modeling yielded practitioner effects. To test generalizability, results were compared to the whole practitioner sample for each phase: (1) NPR = 81, NPA = 1982; (2) NPR = 80, NPA = 2227; (3) NPR = 74, NPA = 2267. Ethical approval was granted by the Health Research Authority. Patient outcomes improved in successive phases for both the core and whole practitioner samples with the largest impact occurring in the management-led intervention. Practitioner variability decreased in successive phases in both the core and whole practitioner samples except in the management-led intervention of the whole sample. Compared with the management-led intervention, the practitioner-led intervention yielded a decrease in practitioner effect exceeding 60% in the core sample and approaching 50% in the whole sample. The implementation of multiple components of a learning health system can lead to improvements in both the effectiveness and equity of a psychological therapy service.
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  • 文章类型: Journal Article
    背景:自我调节学习(SRL)是培养医疗保健专业人员和终身学习者的关键。iCARE(批判性思维的内化,评估,对Empower学习的反思)模型旨在提高护理专业学生的SRL。
    目的:本研究调查iCARE对护生反思实践的影响,SRL,与传统的集体反思相比,自我效能感和技能表现。
    方法:对某三级急症医院的49名最后一年的护理专业学生进行了一项准实验性探索性研究。iCARE组(n=24)接受每周反馈的每日引导反射日志,而小组反射组(n=25)接受小组反射。两者均由临床指导员协助。参与者SRL得分,在训练前和训练后测量自我效能水平和技能表现。组间比较了过帐反射日志的结尾。他们对这两种促进方法的经验和看法是通过问卷调查获得的。使用卡方检验和t检验对定量数据进行汇总和分析。使用主题编码和内容分析来分析定性响应。
    结果:与群体反射组相比,iCARE组报告SRL评分有统计学显著改善,反思性实践,为期四周的临床发布后,技能表现和技能表现中的自我效能感。两组参与者都认为反思有助于他们从同龄人和经验中学习,提高了他们的表现,激励他们学习。仅从iCARE小组中出现了三个独特的主题:iCARE帮助开发了SRL;评估的应用,规划,实施和评估(APIE)改进了临床推理;iCARE改进了反馈的使用。
    结论:研究结果表明iCARE模式在促进护生反思性实践发展方面的作用,SRL和临床学习结果。嵌入SRL指令的iCARE模型的设计,APIE框架和SRL聚焦反馈可以促进认知和元认知发展以及技能表现。
    BACKGROUND: Self-Regulated Learning (SRL) is key in developing healthcare professionals and lifelong learner. iCARE (internalization of Critical thinking, Assessment, Reflection to Empower learning) model was designed to enhance nursing students\' SRL.
    OBJECTIVE: This study investigated the effects of iCARE on nursing students\' reflective practice, SRL, self-efficacy and skill performance as compared to conventional group reflection.
    METHODS: A quasi-experimental exploratory study was employed on 49 final-year nursing students in a tertiary acute hospital. The iCARE group (n = 24) received guided daily reflective journal with weekly feedback while the group reflection group (n = 25) received group reflection. Both were facilitated by clinical instructors. Participants\' SRL score, self-efficacy level and skill performance were measured pre- and post- training. End of posting reflective journal between group was compared. Their experience and perception on both facilitation methods were obtained using questionnaires. Quantitative data were summarised and analysed using Chi-Square test and t-test. Theme coding and content analysis were used to analyse the qualitative responses.
    RESULTS: Compared to group reflection group, the iCARE group reported a statistically significant improvement in SRL score, reflective practice, skill performance and self-efficacy in skill performance after a four-week clinical posting. Participants from both groups perceived that reflection helped them learn from peers and experience, enhanced their performance and motivated them to learn. Three unique themes emerged only from the iCARE group: iCARE helped to developed SRL; application of assessment, planning, implementation and evaluation (APIE) improved clinical reasoning; iCARE improved the use of feedback.
    CONCLUSIONS: The findings demonstrated the effect of the iCARE model in enhancing the development of nursing students\' reflective practice, SRL and clinical learning outcomes. The design of iCARE model that embeds SRL instructions, APIE framework and SRL focused feedback can promote cognitive and metacognitive development as well as skill performance.
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  • 文章类型: Journal Article
    背景:虽然病史是诊断疾病的基础,由于资源限制,教学和提供技能反馈可能具有挑战性。因此,虚拟模拟患者和基于网络的聊天机器人已经成为教育工具,随着人工智能(AI)的最新进展,如大型语言模型(LLM),增强了它们的真实性和提供反馈的潜力。
    目的:在我们的研究中,我们旨在评估生成预训练变压器(GPT)4模型的有效性,以对医学生在模拟患者的历史表现提供结构化反馈.
    方法:我们进行了一项前瞻性研究,涉及医学生使用GPT驱动的聊天机器人进行历史学习。为此,我们设计了一个聊天机器人来模拟病人的反应,并提供对学生的全面性的即时反馈。分析了学生与聊天机器人的互动,并将聊天机器人的反馈与人类评估者的反馈进行了比较。我们测量了评估者间的可靠性,并进行了描述性分析以评估反馈的质量。
    结果:研究的大多数参与者都在医学院三年级。我们的分析中总共包括了来自106个对话的1894个问答对。在超过99%的病例中,GPT-4的角色扮演和反应在医学上是合理的。GPT-4与人类评估者之间的评估者间可靠性显示出“几乎完美”的一致性(Cohenκ=0.832)。在45个反馈类别中的8个中,检测到的一致性较低(κ<0.6)突出了模型评估过于具体或与人类判断不同的主题。
    结论:GPT模型在医学生提供的关于历史记录对话的结构化反馈方面是有效的。尽管我们揭示了某些反馈类别的反馈特异性的一些限制,与人类评估者的总体高度一致表明,LLM可以成为医学教育的宝贵工具。我们的发现,因此,倡导在医疗培训中仔细整合人工智能驱动的反馈机制,并在这种情况下使用LLM时突出重要方面。
    BACKGROUND: Although history taking is fundamental for diagnosing medical conditions, teaching and providing feedback on the skill can be challenging due to resource constraints. Virtual simulated patients and web-based chatbots have thus emerged as educational tools, with recent advancements in artificial intelligence (AI) such as large language models (LLMs) enhancing their realism and potential to provide feedback.
    OBJECTIVE: In our study, we aimed to evaluate the effectiveness of a Generative Pretrained Transformer (GPT) 4 model to provide structured feedback on medical students\' performance in history taking with a simulated patient.
    METHODS: We conducted a prospective study involving medical students performing history taking with a GPT-powered chatbot. To that end, we designed a chatbot to simulate patients\' responses and provide immediate feedback on the comprehensiveness of the students\' history taking. Students\' interactions with the chatbot were analyzed, and feedback from the chatbot was compared with feedback from a human rater. We measured interrater reliability and performed a descriptive analysis to assess the quality of feedback.
    RESULTS: Most of the study\'s participants were in their third year of medical school. A total of 1894 question-answer pairs from 106 conversations were included in our analysis. GPT-4\'s role-play and responses were medically plausible in more than 99% of cases. Interrater reliability between GPT-4 and the human rater showed \"almost perfect\" agreement (Cohen κ=0.832). Less agreement (κ<0.6) detected for 8 out of 45 feedback categories highlighted topics about which the model\'s assessments were overly specific or diverged from human judgement.
    CONCLUSIONS: The GPT model was effective in providing structured feedback on history-taking dialogs provided by medical students. Although we unraveled some limitations regarding the specificity of feedback for certain feedback categories, the overall high agreement with human raters suggests that LLMs can be a valuable tool for medical education. Our findings, thus, advocate the careful integration of AI-driven feedback mechanisms in medical training and highlight important aspects when LLMs are used in that context.
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  • 文章类型: Journal Article
    背景印度国家医学委员会(NMC)重新设计了研究生医学教育计划,为印度医学毕业生提供基本信息,技能,态度,值,以及作为医生在与社区的初始互动中的反应能力。这一举措的核心是态度,道德,和通信(AETCOM)模块,旨在指导教育工作者和机构实施全面的,长期计划。这旨在确保学生培养临床医生的能力,领导人,团队球员,传播者,终身学习者,和专业人士。目标这项研究的目的是评估学生在第一年对AETCOM模块的看法。方法学这项横断面研究是在BLDE(被认为是大学)进行的,Vijayapura,印度,利用自我管理,用于数据收集的半结构化问卷。这项研究包括二年级和三年级的医学生,所有提交回复的受访者都被纳入研究。总样本量为123名学生。结果98%的学生同意NMC对AETCOM模块采取了出色的主动性,并发现其持续时间足够。他们建议教学技巧应包括更多的互动会议。结论来自AETCOM模块的反馈对于提高其有效性至关重要,应该从所有医学院收集,提出必要的改进措施。
    Background The National Medical Commission (NMC) of India has redesigned the graduate medical education program to equip Indian medical graduates with essential information, skills, attitudes, values, and responsiveness as physicians in their initial interactions with the community. Central to this initiative is the Attitude, Ethics, and Communication (AETCOM) module, designed as a guide for educators and institutions to implement a comprehensive, long-term program. This aims to ensure that students develop competency as clinicians, leaders, team players, communicators, lifelong learners, and professionals. Objectives The aim of this study is to evaluate students\' perceptions of the AETCOM modules during their first year. Methodology This cross-sectional study was conducted at BLDE (Deemed to be University), Vijayapura, India, utilizing self-administered, semi-structured questionnaires for data collection. The study included second- and third-year medical students, with all respondents who submitted their responses being included in the study. The total sample size comprised 123 students. Results Ninety-eight percent of the students agreed that the NMC had taken excellent initiative with the AETCOM module and found its duration sufficient. They suggested that the teaching-learning techniques should include more interactive sessions. Conclusions Feedback from the AETCOM module is crucial for enhancing its effectiveness, and it should be gathered from all medical colleges to propose necessary improvements.
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  • 文章类型: Journal Article
    居民必须为医疗错误后与患者的有效沟通做好准备。基于视频的通信评估(VCA)是播放患者场景视频的软件,要求医生记录他们会说什么,聘请众包外行人对医生反应的录音进行评分,并向医生提供反馈。
    评估VCA反馈在居民错误披露技能培训中的有效性。
    这种单盲,随机临床试验于2022年7月至2023年5月在7名美国内科和家庭医学住院医师(共10个研究点)进行.参与者是参加所需教学会议的二年级居民。数据分析于2023年7月至12月进行。
    居民在时间1完成了2例VCA病例,并被随机分配到干预措施中。2周后在VCA申请中提供的个人反馈报告,或者控制,直到时间2之后才提供反馈。居民在4周后(时间2)完成了另外2例VCA病例。
    众包外行人小组对公开模拟医疗错误的居民记录进行评分,以5分制评分。报告包括来自外行人评论的学习点。比较了平均时间2评分,以检验以下假设:可以获得时间1表现反馈的居民在时间2的得分高于没有反馈访问的居民。对居民进行了人口统计学特征调查,披露经验,和反馈使用。使用协方差分析检查干预效果。
    共有146名居民(87[60.0%]年龄在25-29岁;60名女性[41.0%])完成了1次VCA,103人(70.5%)完成时间2VCA(53人随机接受干预,50人随机接受对照);其中,28人(54.9%)报告审查了他们的反馈。协方差分析发现,干预组和对照组在时间2(均值[SD]得分,3.26[0.45]对3.14[0.39];差异,0.12;95%CI,0.08-0.48;P=0.01)。在事后比较中,仅限于没有事先披露经验的居民,干预组居民在时间2得分高于对照组(平均[SD]得分,3.33[0.43]对3.09[0.44];差异,0.24;95%CI,0.01-0.48;P=.007)。时间1表现最差与时间2之前退学的可能性增加相关(赔率比,2.89;95%CI,1.06-7.84;P=.04)。
    在这项随机临床试验中,众包反馈的自我导向审查与内科和家庭医学居民错误披露技能的较高评级相关,特别是对于那些没有现实生活中错误披露经验的人,建议这种反馈可能是住院医师计划的有效方法,以满足他们的要求,使受训者在医疗伤害后与患者沟通。
    ClinicalTrials.gov标识符:NCT06234085。
    UNASSIGNED: Residents must prepare for effective communication with patients after medical errors. The video-based communication assessment (VCA) is software that plays video of a patient scenario, asks the physician to record what they would say, engages crowdsourced laypeople to rate audio recordings of physician responses, and presents feedback to physicians.
    UNASSIGNED: To evaluate the effectiveness of VCA feedback in resident error disclosure skill training.
    UNASSIGNED: This single-blinded, randomized clinical trial was conducted from July 2022 to May 2023 at 7 US internal medicine and family medicine residencies (10 total sites). Participants were second-year residents attending required teaching conferences. Data analysis was performed from July to December 2023.
    UNASSIGNED: Residents completed 2 VCA cases at time 1 and were randomized to the intervention, an individual feedback report provided in the VCA application after 2 weeks, or to control, in which feedback was not provided until after time 2. Residents completed 2 additional VCA cases after 4 weeks (time 2).
    UNASSIGNED: Panels of crowdsourced laypeople rated recordings of residents disclosing simulated medical errors to create scores on a 5-point scale. Reports included learning points derived from layperson comments. Mean time 2 ratings were compared to test the hypothesis that residents who had access to feedback on their time 1 performance would score higher at time 2 than those without feedback access. Residents were surveyed about demographic characteristics, disclosure experience, and feedback use. The intervention\'s effect was examined using analysis of covariance.
    UNASSIGNED: A total of 146 residents (87 [60.0%] aged 25-29 years; 60 female [41.0%]) completed the time 1 VCA, and 103 (70.5%) completed the time 2 VCA (53 randomized to intervention and 50 randomized to control); of those, 28 (54.9%) reported reviewing their feedback. Analysis of covariance found a significant main effect of feedback between intervention and control groups at time 2 (mean [SD] score, 3.26 [0.45] vs 3.14 [0.39]; difference, 0.12; 95% CI, 0.08-0.48; P = .01). In post hoc comparisons restricted to residents without prior disclosure experience, intervention residents scored higher than those in the control group at time 2 (mean [SD] score, 3.33 [0.43] vs 3.09 [0.44]; difference, 0.24; 95% CI, 0.01-0.48; P = .007). Worse performance at time 1 was associated with increased likelihood of dropping out before time 2 (odds ratio, 2.89; 95% CI, 1.06-7.84; P = .04).
    UNASSIGNED: In this randomized clinical trial, self-directed review of crowdsourced feedback was associated with higher ratings of internal medicine and family medicine residents\' error disclosure skill, particularly for those without real-life error disclosure experience, suggesting that such feedback may be an effective way for residency programs to address their requirement to prepare trainees for communicating with patients after medical harm.
    UNASSIGNED: ClinicalTrials.gov Identifier: NCT06234085.
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  • 文章类型: Journal Article
    目的:评估在急性卒中背景下使用内隐运动学习原理的康复实施。
    方法:试点,评估员-盲,采用嵌套定性评价的集群随机对照试验。
    方法:八个住院卒中单位,英国。
    方法:中风发病14天内的人,表现为下肢偏瘫。
    方法:对照组的参与者接受常规护理。干预组的参与者使用内隐学习方法(ILA)接受康复;主要包括减少频率的指令/反馈,和促进外部关注焦点。视频记录用于了解干预部位治疗师坚持内隐学习原则的能力,并比较组间差异。
    方法:招募和保留集群/参与者的能力;数据收集过程的适宜性和可接受性;保真度监测方法的适宜性;以及所选结果指标的适宜性。
    结果:八个卒中单元参与,每组4人(干预/对照)。纳入51名参与者(干预组21;对照组30)。自中风以来的平均时间为6天(SD3.42;0-14);平均年龄为73岁(SD14,25-94)。在那些接近参加的人中,72%同意。我们发现两组之间在教学陈述的频率和类型方面存在明显差异。患者和治疗师都可以接受ILA。
    结论:评估运动学习原理在急性脑卒中康复中的应用和有效性是可行的,使用集群随机化设计。需要进行更大的研究来评估每种方法的好处;我们提供了为此所需的一系列样本量估计。
    OBJECTIVE: To evaluate the delivery of rehabilitation using implicit motor learning principles in an acute stroke setting.
    METHODS: Pilot, assessor-blind, cluster randomised controlled trial with nested qualitative evaluation.
    METHODS: Eight inpatient stroke units, UK.
    METHODS: People within 14 days of stroke onset, presenting with lower limb hemiplegia.
    METHODS: Participants at control clusters received usual care. Participants at intervention clusters received rehabilitation using an Implicit Learning Approach (ILA); primarily consisting of reduced frequency instructions/feedback, and promotion of an external focus of attention. Video recording was used to understand the ability of intervention site therapists to adhere to the implicit learning principles, and to compare differences between groups.
    METHODS: Ability to recruit and retain clusters/participants; suitability and acceptability of data collection processes; appropriateness of fidelity monitoring methods; and appropriateness of chosen outcome measures.
    RESULTS: Eight stroke units participated, with four assigned to each group (intervention/control). Fifty-one participants were enrolled (intervention group 21; control group 30). Mean time since stroke was 6 days (SD 3.42; 0-14); mean age was 73 years (SD 14, 25-94). Of those approached to take part, 72% agreed. We found clear differences between groups with respect to the frequency and type of instructional statement. The ILA was acceptable to both patients and therapists.
    CONCLUSIONS: It is feasible to evaluate the application and effectiveness of motor learning principles within acute stroke rehabilitation, using a cluster randomised design. A larger study is required to evaluate the benefits of each approach; we provide a range of sample size estimates required for this.
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  • 文章类型: Journal Article
    实施任务共享和转移(TSTS)政策是解决非洲医生短缺和减轻高血压负担的一种方式,催生了非洲高血压学校(ASH)的想法。ASH肩负着培训非洲大陆非医师卫生工作者管理简单高血压的责任。
    从参加第一个ASH计划的一些教师和学生那里获得反馈。
    这是一项在八名学生和八名教职员工中进行的横断面探索性定性研究。通过对课程内容的描述进行深入访谈,获得了该计划的反馈;从ASH获得的期望和知识;学生与教职员工之间的互动水平;在ASH期间面临的挑战;获得培训的实施水平;以及改进后续ASH计划的建议。
    ASH的课程内容被描述为简单,适当和充分,而学生和教师之间的互动是非常亲切和引人入胜的。毕业后实施水平不同的学生获得了有关高血压管理的新知识。ASH计划的一些挑战是讲座期间互联网连接不佳,整个非洲的TSTS政策和高血压管理指南不一致,高血压管理应用程序的技术问题和除尼日利亚以外的其他非洲国家的低参与度。改善ASH计划的一些建议是为非洲人制定统一的高血压管理指南,广泛宣传ASH,将讲座解释为法语和葡萄牙语,并改善互联网连接。
    ASH计划在很大程度上实现了其目标,并收到了来自教职员工和学生的令人鼓舞的反馈。应采取措施应对已确定的挑战,并在随后的ASH计划中实施建议的建议,以维持这一成功。
    UNASSIGNED: The implementation of task sharing and shifting (TSTS) policy as a way of addressing the shortage of physicians and reducing the burden of hypertension in Africa birthed the idea of the African School of Hypertension (ASH). The ASH is saddled with the responsibility of training non-physician health workers across Africa continent in the management of uncomplicated hypertension.
    UNASSIGNED: To get feedback from some faculty members and students who participated in the first ASH programme.
    UNASSIGNED: This was a cross-sectional exploratory qualitative study conducted among eight students and eight faculty members. Feedback from the program was obtained by conducting in-depth interviews centred on description of course content; expectations and knowledge acquired from ASH; level of interaction between students and faculty members; challenges faced during the ASH; level of implementation of acquired training; and suggestions to improve subsequent ASH programs.
    UNASSIGNED: The course content of the ASH was described as simple, appropriate and adequate while interaction between students and faculty members were highly cordial and engaging. New knowledge about hypertension management was acquired by the students with different levels of implementation post-graduation. Some identified challenges with the ASH program were poor internet connectivity during lectures, non-uniformity of TSTS policies and hypertension management guidelines across Africa, technical problems with hypertension management app and low participation from other African countries apart from Nigeria. Some recommendations to improve ASH program were development of a uniform hypertension management guideline for Africans, wider publicity of the ASH, interpretation of lectures into French and Portuguese languages and improvement of internet connectivity.
    UNASSIGNED: The ASH programme has largely achieved its objectives with the very encouraging feedback received from both faculty members and the students. Steps should be taken to address the identified challenges and implement the suggested recommendations in subsequent ASH program to sustain this success.
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  • 文章类型: Journal Article
    背景:放射摄影诊断能力是牙科教育的主要焦点。这项研究评估了两种反馈方法来提高学习成果,并探讨了人工智能(AI)支持教育的可行性。
    方法:四年级牙科学生可以访问16个虚拟放射学示例病例,为期8周。根据专家共识,他们被随机分配到详细的反馈(eF)或结果反馈知识(KOR)。学生的诊断能力在咬伤/根尖上进行了测试,以检测龋齿,根尖周炎,所有放射学发现和图像质量的准确性。我们还评估了人工智能系统(dentalXraiPro3.0)的准确性,如适用。数据进行描述性分析,并使用ROC分析(准确性,灵敏度,特异性,AUC)。各组比较采用Welcht检验。
    结果:在55名学生中,在检测釉质龋方面,eF组显着优于KOR组(准确度0.840±0.041,p=.196;灵敏度0.638±0.204,p=.037;特异性0.859±0.050,p=.410;ROCAUC0.748±0.094,p=.020),根尖周炎(准确度0.813±0.095,p=.011;灵敏度0.476±0.230,p=.003;特异性0.914±0.108,p=.292;ROCAUC0.695±0.123,p=.001)和评估根尖周图像的图像质量(p=.031)。其他结果没有观察到显著差异。AI显示出几乎完美的诊断性能(釉质龋齿:准确性0.964,敏感性0.857,特异性0.074;牙本质龋齿:准确性0.988,敏感性0.941,特异性1.0;总体:准确性0.976,敏感性0.958,特异性0.983)。
    结论:精心的反馈可以提高学生的影像学诊断能力,特别是在检测牙釉质龋齿和根尖周炎。使用AI可能是对射线照片进行专家标记的替代方法。
    BACKGROUND: Radiographic diagnostic competences are a primary focus of dental education. This study assessed two feedback methods to enhance learning outcomes and explored the feasibility of artificial intelligence (AI) to support education.
    METHODS: Fourth-year dental students had access to 16 virtual radiological example cases for 8 weeks. They were randomly assigned to either elaborated feedback (eF) or knowledge of results feedback (KOR) based on expert consensus. Students´ diagnostic competences were tested on bitewing/periapical radiographs for detection of caries, apical periodontitis, accuracy for all radiological findings and image quality. We additionally assessed the accuracy of an AI system (dentalXrai Pro 3.0), where applicable. Data were analysed descriptively and using ROC analysis (accuracy, sensitivity, specificity, AUC). Groups were compared with Welch\'s t-test.
    RESULTS: Among 55 students, the eF group by large performed significantly better than the KOR group in detecting enamel caries (accuracy 0.840 ± 0.041, p = .196; sensitivity 0.638 ± 0.204, p = .037; specificity 0.859 ± 0.050, p = .410; ROC AUC 0.748 ± 0.094, p = .020), apical periodontitis (accuracy 0.813 ± 0.095, p = .011; sensitivity 0.476 ± 0.230, p = .003; specificity 0.914 ± 0.108, p = .292; ROC AUC 0.695 ± 0.123, p = .001) and in assessing the image quality of periapical images (p = .031). No significant differences were observed for the other outcomes. The AI showed almost perfect diagnostic performance (enamel caries: accuracy 0.964, sensitivity 0.857, specificity 0.074; dentin caries: accuracy 0.988, sensitivity 0.941, specificity 1.0; overall: accuracy 0.976, sensitivity 0.958, specificity 0.983).
    CONCLUSIONS: Elaborated feedback can improve student\'s radiographic diagnostic competences, particularly in detecting enamel caries and apical periodontitis. Using an AI may constitute an alternative to expert labelling of radiographs.
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  • 文章类型: Journal Article
    目标:可以使用绩效有效性测试(PVTs)来衡量低于考生实际能力的绩效。PVT失败会对神经心理学评估的质量产生负面影响。在我们的研究中,我们通过提供关于无效性的简短纠正声明来解决这个问题,以改善考试行为。方法:这项研究是一项多中心单盲随机对照试验,在综合医院环境中对临床转诊的成年患者(N=196)进行了连续样本。PVT失败的患者(n=71)被随机分配到纠正陈述方法(CS;n=39),技术人员给出了简短的口头纠正声明,或在表现无效时没有收到纠正声明(NO-CS;n=32)。两组(CS和NO-CS)均接受相同的随后重复和新施用的测试。结果:没有组(CSvs.NO-CS)在重复和单次给药的PVT和标准认知测试中的差异。此外,与有效执行组相比,执行无效的参与者从重复测试给药中获益明显较少.结论:我们的研究发现,简短的会内纠正声明,为了解决PVT失败并改善考试行为,没有提高后续测试性能。这些结果表明,简短的口头纠正声明影响性能低于最佳能力的价值有限。它强调了需要更多的研究来确定更有效的方法,可以提高患者的考试行为。最终,这些努力对于确保患者的准确诊断和有效治疗建议至关重要。
    Objective: Performance below the actual abilities of the examinee can be measured using performance validity tests (PVTs). PVT failure negatively impacts the quality of the neuropsychological assessment. In our study, we addressed this issue by providing a brief corrective statement regarding invalidity to improve test-taking behavior. Methods: This study is a multisite single-blind randomized controlled trial in a consecutive sample of clinically referred adult patients (N = 196) in a general hospital setting. Patients who failed a PVT (n = 71) were randomly allocated to a corrective statement approach (CS; n = 39), in which a brief verbal corrective statement was given by the technician, or received no corrective statement upon indications of invalid performance (NO-CS; n = 32). Both groups (CS and NO-CS) were provided with the same subsequently repeated and newly administered tests. Results: There were no group (CS vs. NO-CS) differences on both the repeated and single-administered PVTs and standard cognitive tests. Furthermore, invalid performing participants benefited significantly less from the repeated test administration compared to the valid performing group. Conclusions: Our study found that a brief corrective within-session statement, to address PVT failure and improve test-taking behavior, did not improve consequent test performance. These results suggest limited value of a brief verbal corrective statement to influence performance below best of capabilities. It highlights the need for more research to identify more effective approaches that can enhance patients test-taking behavior. Ultimately, such efforts are critical in ensuring accurate diagnosis and effective treatment recommendations for patients.
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