genetics counseling

  • 文章类型: Journal Article
    目的本研究旨在评估实施增强的产前遗传检查表的效果,以指导提供者在初次产前检查时对胎儿非整倍体检测的筛查和诊断选择的讨论。方法采用回顾性质量改进(QI)项目,大,城市学术医疗中心。该项目的实施是有前景的;然而,在实施QI计划3个月后对数据进行回顾性检查.如果患者小于24周孕龄,在初次产科(OB)就诊时进行了子宫内动态妊娠,则将其包括在内。在初次OB就诊时年龄小于18岁的患者被排除在外。使用统计软件R对结果进行分析。卡方检验用于检查干预前后组之间在人口统计学和临床特征方面的比例差异,并记录了遗传咨询讨论。结果最终队列共纳入416例患者。根据文档衡量,诊断性产前基因检测的讨论率从干预前的54%增加到干预后的72%(p<0.001)。在对高龄产妇的亚组分析中,诊断性产前基因检测的讨论率从干预前的53%上升到干预后的83%(p=0.003),初次产前检查时的遗传学咨询转诊率显着从干预前的4%增加到干预后的38%(p<0.001)。结论使用增强的产前遗传检查表导致对诊断胎儿非整倍体测试的讨论增加,并增加了转诊到遗传学咨询的比率。
    Aim This study aims to assess the effect of implementing an enhanced prenatal genetic checklist to guide the provider\'s discussion on both screening and diagnostic options for fetal aneuploidy testing at the initial prenatal visit. Methods A retrospective quality improvement (QI) project was performed at a single, large, urban academic medical center. The implementation of this project was prospective; however, data was examined retrospectively after the QI initiative was implemented for three months. Patients were included if they were less than 24 weeks gestational age with a live intrauterine gestation at their initial obstetric (OB) visit. Patients less than 18 years old at the initial OB visit were excluded. The results were analyzed using the statistical software R. Chi-squared tests were used to examine proportional differences between the pre- and post-intervention groups with respect to demographic and clinical characteristics and documented genetic counseling discussions. Results A total of 416 patients were included in the final cohort. As measured by documentation, the rate of discussion of diagnostic prenatal genetic testing increased significantly from the pre-intervention proportion of 54% to the post-intervention proportion of 72% (p < 0.001). In the subgroup analysis of patients with advanced maternal age, the rate of discussion of diagnostic prenatal genetic testing increased significantly from the pre-intervention proportion of 53% to the post-intervention proportion of 83% (p = 0.003), and the rate of genetics counseling referrals made at the initial prenatal visit increased significantly from 4% pre-intervention to 38% post-intervention (p < 0.001). Conclusions The use of an enhanced prenatal genetic checklist led to increased discussion of diagnostic fetal aneuploidy testing and increased rates of referral to genetics counseling.
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  • 文章类型: Journal Article
    脊髓性肌萎缩症(SMA)是一种常染色体隐性遗传疾病,是儿童神经肌肉疾病中最常见的疾病之一。我们的筛查是预防出生缺陷更有意义的计划,为医疗保健专业人员提供重要资源,遗传咨询师,和政策制定者参与设计战略,以预防和管理SMA。
    我们通过定量实时PCR筛选了从2020年到现在的39,647名参与者,包括7,231名怀孕前参与者和32,416名怀孕参与者,检测受试者提供的DNA样本中是否存在SMN1基因EX7和EX8缺失。为了验证我们发现的准确性,我们还利用多重连接依赖性探针扩增(MLPA)来确认通过定量实时PCR获得的筛选结果的可靠性.
    在接受筛查的39,647名参与者中,726名参与者是SMN1的携带者。计算得出的总体载波率为1.83%(95%置信区间:0.86-2.8%)。经过筛查,共有592名妊娠带菌者接受了遗传咨询,只有503名配偶(84.97,95%置信区间:82.09~87.85%)自愿接受了SMA筛查.
    这项研究为女性人群中SMA携带者的患病率和分布提供了重要的见解。对726名无症状携带者的识别强调了全面筛查计划的必要性,以识别有风险的个体,并确保采取适当的干预措施,以最大程度地减少SMA相关疾病的影响。
    UNASSIGNED: Spinal muscular atrophy (SMA) is an autosomal recessive disease that is one of the most common in childhood neuromuscular disorders. Our screenings are more meaningful programs in preventing birth defects, providing a significant resource for healthcare professionals, genetic counselors, and policymakers involved in designing strategies to prevent and manage SMA.
    UNASSIGNED: We screened 39,647 participants from 2020 to the present by quantitative real-time PCR, including 7,231 pre-pregnancy participants and 32,416 pregnancy participants, to detect the presence of SMN1 gene EX7 and EX8 deletion in the DNA samples provided by the subjects. To validate the accuracy of our findings, we also utilized the Multiplex Ligation-dependent Probe Amplification (MLPA) to confirm the reliability of screening results obtained by quantitative real-time PCR.
    UNASSIGNED: Among the 39,647 participants who were screened, 726 participants were the carriers of SMN1. The overall carrier rate was calculated to be 1.83% (95% confidence interval: 0.86-2.8%). After undergoing screening, a total of 592 pregnancy carriers were provided with genetic counseling and only 503 of their spouses (84.97, 95% confidence interval: 82.09-87.85%) voluntarily underwent SMA screening.
    UNASSIGNED: This study provides crucial insights into the prevalence and distribution of SMA carriers among the female population. The identification of 726 asymptomatic carriers highlights the necessity of comprehensive screening programs to identify at-risk individuals and ensure appropriate interventions are in place to minimize the impact of SMA-related conditions.
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  • 文章类型: Journal Article
    背景:儿童癫痫是一种常见且多样化的神经系统疾病。我们对中国的癫痫婴儿和儿童队列进行了遗传和表型分析。方法:我们通过全外显子组测序(WES)对260例婴儿期或儿童期癫痫发作的中国患者进行了家系分析。结果:在分析的260名先证中,在135例患者中建立了基因诊断。在这135名阳性/可能阳性患者中检测到88种表型,106名患者有两种以上的表型,67例患者有三种以上的表型。在阳性/可能阳性的患者中总共检测到81个基因的142个变体。在这142个变体中,其中66个基因中有87个是新的。结论:我们的发现扩展了与癫痫相关的基因的变异谱。我们的结果将有助于癫痫患者的基因检测和咨询。
    Background: Epilepsy in childhood is a common and diverse neurological disorder. We conducted a genetic and phenotype analysis of a Chinese cohort of infants and children with epilepsy. Methods: We conducted a pedigree analysis of 260 Chinese patients with epilepsy onset during infancy or childhood by whole exome sequencing (WES). Results: Of the 260 probands analyzed, a genetic diagnosis was established in 135 patients. One-hundred eighty-eight phenotypes were detected in those 135 positive/likely positive patients, 106 patients had more than two phenotypes, and 67 patients had more than three phenotypes. A total of 142 variants of 81 genes were detected among the positive/likely positive patients. Among these 142 variants, of which 87 of 66 genes were novel. Conclusion: Our findings extend the variant spectrum of genes related to epilepsy. Our results will be useful for genetic testing and counseling for patients with epilepsy.
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  • 文章类型: Journal Article
    Epithelial ovarian cancer (EOC) is the most common histology of ovarian cancer defined as epithelial cancer derived from the ovaries, fallopian tubes, or primary peritoneum. It is the fifth most common cause of cancer-related death in women in the United States. Because of a lack of effective screening and non-specific symptoms, EOC is typically diagnosed at an advanced stage (FIGO stage III or IV) and approximately one third of patients have malignant ascites at initial presentation. The treatment of ovarian cancer consists of a combination of cytoreductive surgery and systemic chemotherapy. Despite the advances with new cytotoxic and targeted therapies, the five-year survival rate for all-stage EOC in the United States is 48.6%. Delivery of up-to-date guideline care and multidisciplinary team efforts are important drivers of overall survival. In this paper, we review our frontline management of EOC that relies on a multi-disciplinary approach drawing on clinical expertise and collaboration combined with community practice and cutting edge clinical and translational research. By optimizing partnerships through team medicine and clinical research, we combine our cancer center clinical expertise, community practice partnership, and clinical and translational research to understand the biology of this deadly disease, advance therapy and connect our patients with the optimal treatment that offers the best possible outcomes.
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  • 文章类型: Journal Article
    Genomic high-throughput technologies (GHTT) such as next-generation sequencing represent a fast and cost-effective tool toward a more comprehensive understanding of the molecular background of complex diseases. However, technological advances contrast with insufficient application in clinical practice. Thus, patients, physicians, and other professionals are faced with tough challenges that forestall the efficient and effective implementation. With the increasing application of genetic testing, it is of paramount importance that physicians and other professionals in healthcare recognize the restrictions and potential of GHTT, in order to understand and interpret the complex data in the context of health and disease. At the same time, the growing volume and complexity of data is forever increasing the need for sustainable infrastructure and state-of-the-art tools for efficient data management, including their analysis and integration. The large pool of sensitive information remains difficult to interpret and fundamental questions spanning from billing to legal, social, and ethical issues have still not been resolved. Here we summarize and discuss these obstacles in an interdisciplinary context and suggest ways to overcome them. Continuous discussion with clinicians, data managers, biostatisticians, systems medicine experts, ethicists, legal scholars, and patients illuminates the strengths, weakness, and current practices in the pipeline from biomaterial to sequencing and data management. This discussion also highlights the new, cross-disciplinary working collaborations to realize the wide-ranging challenges in clinical genomics including the exceptional demands placed on the staff preparing and presenting the data, as well as the question as to how to report the data and results to patients.
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  • 文章类型: Journal Article
    Complex inherited diseases affected by an interaction between collective effects of the genotype at one or multiple loci either to increase or to lower susceptibility to disease, combined with a variety of environmental exposures that may trigger, accelerate, exacerbate, or protect against the disease process. The new aspects of genetic techniques have been opened for diagnosis and analysis of inherited disorders. While appropriate Mendelian laws is applied to estimate the recurrence risk of single gene diseases, using empirical recurrence risks are the most important and available method to evaluate pedigree of complex (multifactorial), chromosomal, and unknown etiology disorders. Although, generally, empirical recurrent risks are not accurate, either because of the difference of gene frequencies and environmental factors among populations or heterogeneity of disease; using results of plenty family population studies, computerized estimating programs, genotyping technologies, and Genome-wide association studies (GWASs) of single nucleotide polymorphisms (SNPs), can make it possible nowadays to estimate these risks. The specific family situation and importance recurrence risks of some common complex genetic diseases will be presented in this review and some important multifactorial disorders\' recurrence risks will be summarized to help genetic counselors for supporting families and representing better view of genetic disorders.
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