Prenatal alcohol exposure

产前酒精暴露
  • 文章类型: Journal Article
    协会和家庭要求有必要提高对胎儿酒精谱系障碍(FASD)儿童的认知和行为发展的影响的认识,这些影响会影响他们的学习和学校参与。这项研究旨在生成被诊断为FASD的儿童和青少年的执行和行为功能概况。应用按集群的概率抽样(个体与FASD的关联)。样本由来自三个协会的66个家庭组成。进行了BRIEF-2和SENA测试以评估执行和行为功能域。数据分析发现,FASD患者的执行和行为功能特征随年龄而变化,在青春期中期和晚期有更大的损害。同样,在任何发育阶段,执行功能受影响最大的领域是工作记忆。最后,执行功能领域的认知障碍对FASD患者的社会和适应性功能有直接影响。
    Associations and families demand the need to raise awareness of the implications in the cognitive and behavioral development of children with Fetal Alcohol Spectrum Disorder (FASD) that affect their learning and school participation. This study aims to generate a profile of executive and behavioral functioning in children and adolescents diagnosed with FASD. A probabilistic sampling by clusters (associations for individuals with FASD) is applied. The sample is composed of 66 families from three associations. The BRIEF-2 and SENA tests were administered to assess executive and behavioral functioning domains. Data analysis found that the executive and behavioral functioning profile of individuals with FASD varies with age, with greater impairment in middle and late adolescence. Likewise, the domain of executive functioning most affected in any of the developmental stages is working memory. Finally, cognitive impairment in the executive functioning domains has a direct impact on the social and adaptive functioning of people with FASD.
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  • 文章类型: Journal Article
    背景:产前物质暴露(PSE)可导致胎儿发育中的各种有害结果,并与许多情绪有关,行为,以及以后生活中的认知困难。因此,检查相关大脑结构的发育与PSE之间的关系对于开发更具体或新的预防方法很重要。
    目的:我们的研究的主要目的是检查杏仁核的身体发育之间的关系,海马体,产前饮酒后海马旁,烟草,和处方阿片类药物暴露。
    方法:我们进行了青少年大脑和认知发育的横断面分析(ABCD)研究,一项纵向神经成像研究,测量从童年到青春期的大脑形态。数据来自美国22个地点的大约12,000名儿童(9岁和10岁)和父母。产前阿片类药物,烟草,和酒精的使用是通过父母在怀孕期间使用的自我报告来确定的。我们提取了评估杏仁核体积大小(mm3)的变量,海马体,海马旁回以及脑容量,贫困水平,年龄,性别,和种族/民族在我们调整后的模型中进行控制。我们报告了总体样本和患有PSE的儿童的社会人口统计学特征。我们通过物质暴露计算并报告了每个特定大脑区域的平均值。最后,我们构建了多变量回归模型来测量不同PSE与人口统计学特征之间的关联,大脑总体积,和每个大脑结构的体积。
    结果:在总样本中,24.6%有产前酒精暴露,13.6%的产前烟草暴露,和1.2%的产前阿片类药物暴露。平均而言,发现那些产前烟草暴露者的海马旁具有统计学意义上的较小。
    结论:我们发现产前烟草暴露与海马旁体积较小之间存在显著关联,这可能会对个人的生计产生深远的影响,包括汽车延误,不良的认知和行为结果,和长期健康后果。考虑到与PSE相关的累积神经发育效应,我们建议医疗保健提供者提高筛查率,检测,并转介停止。此外,我们建议医学协会游说政策制定者,以解决有效识别高危孕妇的上游障碍,具体来说,消除或显著减少因涉及产前物质使用的州法律而产生的惩罚性法律后果。
    BACKGROUND: Prenatal substance exposure (PSE) can lead to various harmful outcomes for the developing fetus and is linked to many emotional, behavioral, and cognitive difficulties later in life. Therefore, examination of the relationship between the development of associated brain structures and PSE is important for the development of more specific or new preventative methods.
    OBJECTIVE: Our study\'s primary objective was to examine the relationship between the physical development of the amygdala, hippocampus, and parahippocampus following prenatal alcohol, tobacco, and prescription opioid exposure.
    METHODS: We conducted a cross-sectional analysis of the Adolescent Brain and Cognitive Development (ABCD) Study, a longitudinal neuroimaging study that measures brain morphometry from childhood throughout adolescence. Data were collected from approximately 12,000 children (ages 9 and 10) and parents across 22 sites within the United States. Prenatal opioid, tobacco, and alcohol use was determined through parent self-report of use during pregnancy. We extracted variables assessing the volumetric size (mm3) of the amygdala, hippocampus, and parahippocampal gyrus as well as brain volume, poverty level, age, sex, and race/ethnicity for controls within our adjusted models. We reported sociodemographic characteristics of the sample overall and by children who had PSE. We calculated and reported the means of each of the specific brain regions by substance exposure. Finally, we constructed multivariable regression models to measure the associations between different PSE and the demographic characteristics, total brain volume, and volume of each brain structure.
    RESULTS: Among the total sample, 24.6% had prenatal alcohol exposure, 13.6% had prenatal tobacco exposure, and 1.2% had prenatal opioid exposure. On average, those with prenatal tobacco exposure were found to have a statistically significant smaller parahippocampus.
    CONCLUSIONS: We found a significant association between prenatal tobacco exposure and smaller parahippocampal volume, which may have profound impacts on the livelihood of individuals including motor delays, poor cognitive and behavioral outcomes, and long-term health consequences. Given the cumulative neurodevelopmental effects associated with PSE, we recommend that healthcare providers increase screening rates, detection, and referrals for cessation. Additionally, we recommend that medical associations lobby policymakers to address upstream barriers to the effective identification of at-risk pregnant individuals, specifically, eliminating or significantly reducing punitive legal consequences stemming from state laws concerning prenatal substance use.
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  • 文章类型: Journal Article
    胎儿酒精谱系障碍(FASD)代表了与产前酒精暴露相关的广泛的神经发育差异,并且非常普遍。当前的研究代表了适应家庭前进(FMF)计划的初始阶段,针对FASD儿童看护人的循证行为咨询干预,到一个教师网站。
    了解教师对FASD知情干预网站的需求和偏好,并评估FMF计划对教师和学校环境的适合性。
    采访了23名具有FASD教学经验的教师。采访通过Zoom进行,平均持续约53分钟。数据被逐字转录,并在Dedoose中使用定性内容分析进行分析。
    三个总体主题代表了教师对FASD知情资源的需求:教师需要基于证据的FASD信息和策略,老师很少有额外的时间,特殊教育和普通教育教师的需求各不相同。老师们对FMF计划的概念持积极态度,并认为他们会很合适。
    教师需要一种易于使用的基于证据的FASD知情干预措施,简洁,并响应不同的需求和经验水平。结果将告知FMF计划的适应过程。
    UNASSIGNED: Fetal alcohol spectrum disorders (FASD) represent a wide range of neurodevelopmental differences associated with prenatal alcohol exposure and are highly prevalent. The current study represents the initial stages in adapting the Families Moving Forward (FMF) Program, an evidence-based behavioral consultation intervention for caregivers of children with FASD, to a website for teachers.
    UNASSIGNED: To understand teachers\' needs and preferences for an FASD-informed intervention website and to assess the goodness of fit of the FMF Program to teachers and the school setting.
    UNASSIGNED: Twenty-three teachers with experience teaching students with FASD were interviewed. Interviews were conducted via Zoom and lasted about 53 minutes on average. Data were transcribed verbatim and analyzed using qualitative content analysis in Dedoose.
    UNASSIGNED: Three overarching themes represented teachers\' needs for an FASD-informed resource: teachers need evidence-based FASD information and strategies, teachers have very little extra time, and the needs of special and general education teachers vary. Teachers were positive about the concepts of the FMF Program and felt they would have good fit.
    UNASSIGNED: Teachers need an evidence-based FASD-informed intervention that is easy to use, concise, and responsive to varying needs and levels of experience. Results will inform the adaptation process of the FMF Program.
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  • 文章类型: Journal Article
    背景:产前酒精暴露(PAE)对儿童造成严重的身体后果,例如行为障碍,生长障碍,神经肌肉问题,运动协调受损,肌肉张力下降。然而,目前尚不清楚是否会出现肌肉力量的丧失,以及哪些干预措施将有效减轻物理PAE损伤。我们旨在调查青春期是否会持续改变身体,以及运动是否是有效的干预措施。
    结果:使用范式评估不同的身体素质,我们描述了早期的PAE动物在敏捷性和力量上有显著的改变,与CTRL动物相比,平衡和协调没有改变。我们评估了3种不同运动方案的有效性,为期4周:浓缩环境(EE),耐力运动(EEX),和阻力运动(REX)。丰富的环境显着提高了PAE组的力量,但在即使在运动过程中也能保持力量参数的CTRL组中却没有。阻力运动在获得力量方面显示出最大的好处,耐力运动没有。
    结论:在PND21中,与CTRL相比,PAE诱导强度显著降低。抗阻运动是逆转PAE对肌肉力量影响的最有效方法。我们的数据表明,个性化,scheduled,对于青少年FASD,有监督的阻力训练比耐力或丰富的环境锻炼更有益。
    BACKGROUND: Prenatal alcohol exposure (PAE) has serious physical consequences for children such as behavioral disabilities, growth disorders, neuromuscular problems, impaired motor coordination, and decreased muscle tone. However, it is not known whether loss of muscle strength occurs, and which interventions will effectively mitigate physical PAE impairments. We aimed to investigate whether physical alteration persists during adolescence and whether exercise is an effective intervention.
    RESULTS: Using paradigms to evaluate different physical qualities, we described that early adolescent PAE animals have significant alterations in agility and strength, without alterations in balance and coordination compared to CTRL animals. We evaluated the effectiveness of 3 different exercise protocols for 4 weeks: Enrichment environment (EE), Endurance exercise (EEX), and Resistance exercise (REX). The enriched environment significantly improved the strength in the PAE group but not in the CTRL group whose strength parameters were maintained even during exercise. Resistance exercise showed the greatest benefits in gaining strength, and endurance exercise did not.
    CONCLUSIONS: PAE induced a significant decrease in strength compared to CTRL in PND21. Resistance exercise is the most effective to reverse the effects of PAE on muscular strength. Our data suggests that individualized, scheduled, and supervised training of resistance is more beneficial than endurance or enriched environment exercise for adolescents FASD.
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  • 文章类型: Journal Article
    目标:胎儿酒精谱系障碍(FASDs)影响全球人口的0.8%。然而,成人患者的心血管健康结果,以及心脏风险分层的预测生物标志物,仍然未知。我们的目的是在动物模型中利用纵向队列研究来评估胚胎酒精暴露(EAE)对心脏结构的影响。函数,和整个生命周期的转录谱。
    结果:使用斑马鱼,我们描述了先天性心脏病(CHD)严重程度的成人中胚胎酒精暴露(EAE)的后遗症。在解剖的成人心脏上定量腔室大小以识别指示心肌病的结构变化。使用超声心动图,我们根据射血分数和纵向应变量化收缩功能,和基于心室充盈动力学的舒张功能,心室壁运动,和估计的心房压力。最后,我们对EAE心室进行了RNA测序,并评估了差异表达基因(DEGs)与心功能的相关性.这里,我们证明胚胎酒精暴露(EAE)通过持续改变心室壁结构和基因表达导致心肌病和舒张功能障碍.异常心室形态发生后,>30%的所有EAE成人发展增加的心房-心室大小比,心室充盈动力学异常,尽管收缩功能保持不变,但舒张早期心肌壁松弛减少。EAE心室的RNA测序揭示了新的和心力衰竭相关的基因(slc25a33,ankrd9,dusp2,dusp4,spry4,eya4和edn1),其表达水平在整个动物的寿命中都发生了变化,或者与成年时检测到的舒张功能障碍程度相关。
    结论:我们的研究确定EAE是成人发作性心肌病和舒张功能不全的危险因素,无论CHD状态如何,并提示成人EAE诱发的心脏病的新分子指标。
    OBJECTIVE: Fetal alcohol spectrum disorders (FASDs) impact up to 0.8% of the global population. However, cardiovascular health outcomes in adult patients, along with predictive biomarkers for cardiac risk stratification, remain unknown. Our aim was to utilize a longitudinal cohort study in an animal model to evaluate the impact of embryonic alcohol exposure (EAE) on cardiac structure, function, and transcriptional profile across the lifespan.
    RESULTS: Using zebrafish, we characterized the aftereffects of embryonic alcohol exposure (EAE) in adults binned by congenital heart defect (CHD) severity. Chamber sizes were quantified on dissected adult hearts to identify structural changes indicative of cardiomyopathy. Using echocardiography, we quantified systolic function based on ejection fraction and longitudinal strain, and diastolic function based on ventricular filling dynamics, ventricular wall movement, and estimated atrial pressures. Finally, we performed RNA sequencing on EAE ventricles and assessed how differentially expressed genes (DEGs) correlated with cardiac function. Here, we demonstrate that embryonic alcohol exposure (EAE) causes cardiomyopathy and diastolic dysfunction through persistent alterations to ventricular wall structure and gene expression. Following abnormal ventricular morphogenesis, >30% of all EAE adults developed increased atrial-to-ventricular size ratios, abnormal ventricular filling dynamics, and reduced myocardial wall relaxation during early diastole despite preserved systolic function. RNA sequencing of the EAE ventricle revealed novel and heart failure-associated genes (slc25a33, ankrd9, dusp2, dusp4, spry4, eya4, and edn1) whose expression levels were altered across the animal\'s lifespan or correlated with the degree of diastolic dysfunction detected in adulthood.
    CONCLUSIONS: Our study identifies EAE as a risk factor for adult-onset cardiomyopathy and diastolic dysfunction, regardless of CHD status, and suggests novel molecular indicators of adult EAE-induced heart disease.
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  • 文章类型: Journal Article
    背景:产前酒精暴露是一个重大的公共卫生问题,因为它可能导致有害的结果,包括妊娠并发症和胎儿酒精谱系障碍。尽管英国国家指南建议在怀孕或计划怀孕时戒酒,有证据表明,公众在这个话题上仍然存在困惑,人们很少知道人们在医疗保健环境之外对怀孕期间饮酒有什么疑问。
    目的:本研究旨在评估在基于网络的英国育儿论坛上提出了哪些关于怀孕期间酒精的问题和主题,以及这些问题和主题如何符合关于2个关键事件的官方公共卫生指南:修订后的英国首席医疗官(CMO)低风险饮酒指南(2016年)和首次COVID-19大流行封锁(2020年)的实施。
    方法:从Mumsnet收集了2002年至2022年期间的“怀孕”论坛中提到酒精的所有话题,并使用定性内容分析进行了分析。使用描述性统计数据来表征整个研究期间以及与CMO指南的变化和COVID-19大流行相对应的时期内每个主题的主题开始的数量和比例。
    结果:共分析了395个线程开始,关键主题包括“询问饮酒是否安全”或“安全限值”,以及在意识到怀孕之前饮酒的担忧。此外,Mumsnet线程开始包括关于“研究”的讨论和信息寻求,指导方针,以及关于怀孕期间饮酒的官方信息。“Mumsnet上讨论的关于怀孕期间酒精的主题在2002年至2022年之间仍然大致相似,尽管在引入修订的CMO指南之前,开始披露产前酒精使用的话题比以后的时期更常见。
    结论:在英国育儿论坛中进行的基于网络的讨论表明,用户通常不清楚与产前饮酒相关的指导和风险,他们使用该平台向同龄人寻求信息和保证。
    BACKGROUND: Prenatal alcohol exposure represents a substantial public health concern as it may lead to detrimental outcomes, including pregnancy complications and fetal alcohol spectrum disorder. Although UK national guidance recommends abstaining from alcohol if pregnant or planning a pregnancy, evidence suggests that confusion remains on this topic among members of the public, and little is known about what questions people have about consumption of alcohol in pregnancy outside of health care settings.
    OBJECTIVE: This study aims to assess what questions and topics are raised on alcohol in pregnancy on a web-based UK-based parenting forum and how these correspond to official public health guidelines with respect to 2 critical events: the implementation of the revised UK Chief Medical Officers\' (CMO) low-risk drinking guidelines (2016) and the first COVID-19 pandemic lockdown (2020).
    METHODS: All thread starts mentioning alcohol in the \"Pregnancy\" forum were collected from Mumsnet for the period 2002 to 2022 and analyzed using qualitative content analysis. Descriptive statistics were used to characterize the number and proportion of thread starts for each topic over the whole study period and for the periods corresponding to the change in CMO guidance and the COVID-19 pandemic.
    RESULTS: A total of 395 thread starts were analyzed, and key topics included \"Asking for advice on whether it is safe to consume alcohol\" or on \"safe limits\" and concerns about having consumed alcohol before being aware of a pregnancy. In addition, the Mumsnet thread starts included discussions and information seeking on \"Research, guidelines, and official information about alcohol in pregnancy.\" Topics discussed on Mumsnet regarding alcohol in pregnancy remained broadly similar between 2002 and 2022, although thread starts disclosing prenatal alcohol use were more common before the introduction of the revised CMO guidance than in later periods.
    CONCLUSIONS: Web-based discussions within a UK parenting forum indicated that users were often unclear on guidance and risks associated with prenatal alcohol use and that they used this platform to seek information and reassurance from peers.
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  • 文章类型: Journal Article
    被诊断为FASD的儿童和青少年可能会经历一系列不利的健康和社会结果。这项横断面研究调查了2015年至2018年在不列颠哥伦比亚省SunnyHill中心诊断为FASD的儿童和青少年的特征和结果。加拿大和检查了产前物质暴露之间的关系,FASD诊断类别,以及不利的健康和社会结果。获得了1187名诊断为FASD的儿童和青少年的患者图表数据并进行了分析。患者(平均年龄:9.7岁;范围:2-19)有多达6种身体和11种精神健康障碍。产前暴露于其他物质(除酒精外)显着增加了FASD诊断的严重程度(OR:1.18):产前香烟/尼古丁/烟草暴露的FASD具有前哨面部特征(SFF)的几率高41%;暴露于可卡因/快克的高75%;暴露于阿片类药物的高两倍。母亲的心理健康问题和营养不良也增加了FASD诊断的严重程度(60%和6%,分别)。除酒精外,产前暴露于其他物质可显着预测儿童福利系统的参与(OR:1.52),并根据年龄进行调整(aOR:1.51)。与没有根据年龄和产前物质数量调整的SFF的FASD相比,诊断有SFF的FASD与身体(R2=0.071,F(3,1183)=30.51,p=0.000)和精神健康合并症(R2=0.023,F(3,1185)=9.51,p=0.000)有关。对孕妇进行酒精和其他物质使用的筛查,心理健康状况,营养非常重要。
    Children and youths diagnosed with FASD may experience a range of adverse health and social outcomes. This cross-sectional study investigated the characteristics and outcomes of children and youths diagnosed with FASD between 2015 and 2018 at the Sunny Hill Centre in British Columbia, Canada and examined the relationships between prenatal substance exposures, FASD diagnostic categories, and adverse health and social outcomes. Patient chart data were obtained for 1187 children and youths diagnosed with FASD and analyzed. The patients (mean age: 9.7 years; range: 2-19) had up to 6 physical and 11 mental health disorders. Prenatal exposure to other substances (in addition to alcohol) significantly increased the severity of FASD diagnosis (OR: 1.18): the odds of FASD with sentinel facial features (SFF) were 41% higher with prenatal cigarette/nicotine/tobacco exposure; 75% higher with exposure to cocaine/crack; and two times higher with exposure to opioids. Maternal mental health issues and poor nutrition also increase the severity of FASD diagnosis (60% and 6%, respectively). Prenatal exposure to other substances in addition to alcohol significantly predicts involvement in the child welfare system (OR: 1.52) and current substance use when adjusted for age (aOR: 1.51). Diagnosis of FASD with SFF is associated with an increased number of physical (R2 = 0.071, F (3,1183) = 30.51, p = 0.000) and mental health comorbidities (R2 = 0.023, F (3,1185) = 9.51, p = 0.000) as compared to FASD without SFF adjusted for age and the number of prenatal substances. Screening of pregnant women for alcohol and other substance use, mental health status, and nutrition is extremely important.
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  • 文章类型: Journal Article
    时间,rate,和妊娠期酒精摄入量,这里统称为产妇饮酒模式(MDP),已知对胎儿发育结局很重要。然而,很少有研究直接评估MDPs对后代行为的影响。要做到这一点,我们使用专门的设备来记录怀孕水坝饮酒的精确数量和时间,然后使用主成分分析(PCA)对MDP进行表征。接下来,我们测试了后代先前确定的受产前酒精暴露影响的行为,并在可能的情况下在MDPs的背景下对其进行评估。与对照组相比,雄性酒精暴露小鼠在旋转杆上的潜伏期更长,我们将其归因于体重增加的延迟下降。这种效应是由MDP在酒精进入的前15分钟内介导的(即酒精前装),表现最好的雄性后代来自表现出最高酒精含量的水坝。与对照组相比,暴露于酒精的雌性小鼠在开放视野中的运动活动减少,这是由包含整个饮酒时段的MDP介导的。令人惊讶的是,仅妊娠总酒精暴露与任何行为结局无关.最后,我们观察到酒精暴露小鼠的异常性疼痛,男性比女性发展得更快,在对照组中未观察到。据我们所知,这份报告代表了对小鼠整个妊娠期间饮酒的最高分辨率评估,也是少数确定特定酒精MDP与后代神经行为结果之间关系的人之一。
    The timing, rate, and quantity of gestational alcohol consumption, collectively referred to here as Maternal Drinking Patterns (MDPs), are of known importance to fetal developmental outcomes. However, few studies have directly evaluated the impact of MDPs on offspring behavior. To do so, we used specialized equipment to record the precise amount and timing of alcohol consumption in pregnant dams, and then characterized MDPs using Principle Component Analysis (PCA). We next tested offspring on behaviors we have previously identified as impacted by prenatal alcohol exposure, and evaluated them where possible in the context of MDPs. Male alcohol exposed mice exhibited longer latencies to fall on the rotarod compared to their controls, which we attribute to a delayed decrease in body weight-gain. This effect was mediated by MDPs within the first 15 min of alcohol access (i.e. alcohol frontloading), where the highest performing male offspring came from dams exhibiting the highest rate of alcohol frontloading. Female alcohol exposed mice displayed reduced locomotor activity in the open field compared to controls, which was mediated by MDPs encompassing the entire drinking session. Surprisingly, total gestational alcohol exposure alone was not associated with any behavioral outcomes. Finally, we observed allodynia in alcohol exposed mice that developed more quickly in males compared to females, and which was not observed in controls. To our knowledge, this report represents the highest resolution assessment of alcohol drinking throughout gestation in mice, and one of few to have identified relationships between specific alcohol MDPs and neurobehavioral outcomes in offspring.
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  • 文章类型: Journal Article
    背景:胎儿酒精谱系障碍(FASD)与导致日常生活任务困难的神经发育挑战有关。家庭前进(FMF)计划教导护理人员使用积极的行为支持(PBS),与其他技术相结合。然而,目前尚不清楚护理人员在干预后如何保留和使用这些PBS策略.
    方法:完成FMF计划后约4.5个月,对23名4-12岁FASD儿童的照顾者进行了访谈,内容涉及FMF计划期间针对的问题行为以及他们继续使用PBS策略.采访由一个由五名编码人员组成的团队进行主题记录和编码。开发了更高级别的模式代码,以促进跨描述性代码的主题。
    结果:护理人员通常有针对性的任务未完成和违反规则,问题行为通常是复杂的或组合的。护理人员确定了问题行为的环境和人际触发因素。他们使用了许多便利措施来防止问题行为,通常与任务或环境简化有关。护理人员还使用基于结果的策略。
    结论:这项研究首次描述了护理人员对FASD患儿使用PBS策略的混合方法。诸如违反规则之类的问题行为更难以瞄准。当每个问题行为使用多种不同的调节方式的组合时,护理人员发现最大的成功。
    结论:这是第一个使用混合方法来表征胎儿酒精谱系障碍(FASD)儿童的照顾者如何使用积极行为支持(PBS)策略来针对问题行为完成后的研究经验验证的家庭前进(FMF)计划。在FMF计划中涉及的其他技术中,PBS策略被教授给护理人员,并用于针对两个不同的目标,照顾者识别的问题行为。这些数据提供了有关响应PBS支持的行为的基本信息,对于患有FASD的儿童,为临床干预和研究提供信息。值得注意的是,多个问题行为经常一起发生,强调该人群行为挑战的复杂性以及由此产生的对个性化支持的需求。这项研究是第一个从FASD儿童看护人的角度描述常见观察到的触发因素(前因)和常用的支持(调节)。重要的是,结果表明,使用各种各样的住宿,或者基于先行的策略,有效支持FASD儿童的行为。然而,当护理人员对任何给定的相关行为使用多重调整时,成功是最常见的。研究结果代表了照顾者在完成FMF计划几个月后用于支持孩子适应行为的“现实世界”策略,提示这些策略适用于临床实践。
    BACKGROUND: Fetal alcohol spectrum disorders (FASD) are associated with neurodevelopmental challenges leading to difficulties with everyday life tasks. The Families Moving Forward (FMF) Program teaches caregivers to use positive behavior support (PBS), integrated with other techniques. However, it is unknown how caregivers retain and use these PBS strategies after the intervention.
    METHODS: About 4.5 months after completing the FMF Program, twenty-three caregivers of children with FASD aged 4-12 were interviewed about problem behaviors targeted during the FMF Program and their continued use of PBS strategies. Interviews were recorded and coded thematically by a five-coder team. Higher-level pattern codes were developed to facilitate themes across descriptive codes.
    RESULTS: Caregivers commonly targeted task incompletion and rule breaking, and problem behaviors were often complex or combined. Caregivers identified environmental and interpersonal triggers for problem behavior. They used many accommodations to prevent problem behaviors, most often related to task or environment simplification. Caregivers also used consequence-based strategies.
    CONCLUSIONS: This study is the first to characterize caregivers\' use of PBS strategies for children with FASD using mixed methods. Problem behaviors such as rule breaking were more difficult to target. Caregivers found most success when using a combination of multiple different accommodations per problem behavior.
    CONCLUSIONS: This is the first study to use mixed methods to characterize how caregivers of children with fetal alcohol spectrum disorders (FASD) use positive behavior support (PBS) strategies to target problem behavior after completion of the empirically validated Families Moving Forward (FMF) Program. Among other techniques involved in the FMF Program, PBS strategies are taught to caregivers and are used to target two distinct, caregiver-identified problem behaviors. This data provides essential information about behaviors responsive to PBS supports, for children with FASD, to inform clinical intervention and research. Notably, multiple problem behaviors often occurred together, emphasizing complexity of behavior challenges in this population and the resulting need for individualized supports. This study is the first to describe commonly observed triggers (antecedents) and commonly used supports (accommodations) from the perspective of caregivers of children with FASD. Importantly, results indicate that use of a wide variety of accommodations, or antecedent-based strategies, are effective in supporting behavior in children with FASD. However, success was most common when caregivers used multiple accommodations for any given concerning behavior. Findings represent \'real-world\' strategies caregivers use to support adaptive behavior in their children several months after completion of the FMF Program, suggesting these strategies are applicable to clinical practice.
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  • 文章类型: Journal Article
    胎儿酒精谱系障碍(FASD),由于孕妇在怀孕期间饮酒,是儿童身体残疾和脑损伤的一个突出的非遗传原因。除了常见的症状,如明显的面部特征和神经认知缺陷,感觉异常,包括嗅觉功能障碍,在患有FASD的儿童中经常出现。然而,产前酒精暴露(PAE)导致嗅觉异常的确切机制仍然难以捉摸.利用啮齿动物作为不同时机的模型生物,持续时间,剂量,和酒精暴露的给药途径,先前的研究已经记录了由PAE引起的嗅觉系统发育受损。许多人报道了嗅球(OB)体积的减少伴随着OB神经元数量的减少,这表明OB是一个容易受到PAE影响的大脑区域。相比之下,在一些研究中没有观察到明显的嗅觉系统缺陷,虽然可能存在微妙的变化。这些发现表明,时机,持续时间,胎儿酒精暴露的程度会对嗅觉系统的发育产生不同的影响。为了提高对PAE引起的嗅觉功能障碍的理解,这篇综述总结了先前关于产前酒精暴露后代嗅觉系统研究的主要发现。
    Fetal Alcohol Spectrum Disorders (FASD), resulting from maternal alcohol consumption during pregnancy, are a prominent non-genetic cause of physical disabilities and brain damage in children. Alongside common symptoms like distinct facial features and neurocognitive deficits, sensory anomalies, including olfactory dysfunction, are frequently noted in FASD-afflicted children. However, the precise mechanisms underpinning the olfactory abnormalities induced by prenatal alcohol exposure (PAE) remain elusive. Utilizing rodents as a model organism with varying timing, duration, dosage, and administration routes of alcohol exposure, prior studies have documented impairments in olfactory system development caused by PAE. Many reported a reduction in the olfactory bulb (OB) volume accompanied by reduced OB neuron counts, suggesting the OB is a brain region vulnerable to PAE. In contrast, no significant olfactory system defects were observed in some studies, though subtle alterations might exist. These findings suggest that the timing, duration, and extent of fetal alcohol exposure can yield diverse effects on olfactory system development. To enhance comprehension of PAE-induced olfactory dysfunctions, this review summarizes key findings from previous research on the olfactory systems of offspring prenatally exposed to alcohol.
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