neurology

Neurology
  • 文章类型: Case Reports
    脊髓压迫的慢性脑脊液漏可以模仿ALS的症状,MRI上有蛇眼.
    Chronic cerebrospinal fluid leak with spinal cord compression can mimic the symptoms of ALS, with a snake-eyes appearance on MRI.
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  • 文章类型: Journal Article
    目的:确定冷藏凝胶袋在新生儿恢复期间接受治疗性低温(TH)治疗的缺氧缺血性脑病的新生儿达到目标温度和维持目标温度的功效。
    方法:回顾性队列研究。
    方法:儿科婴儿围产期急诊检索,维多利亚,澳大利亚。
    方法:在2015年1月1日至2020年12月31日期间接受TH治疗的200例新生儿。
    方法:用冷冻凝胶包主动冷却或被动冷却。
    方法:主要结局是在出生后6小时内达到治疗性直肠冷却温度(33-34°C)并在达到TH后维持目标温度范围的新生儿比例。次要结果包括需要呼吸支持,直角肌,抗惊厥治疗,生命7天的镇静和生存。
    结果:200例新生儿接受了TH。中位胎龄为39周,中位出生体重为3300g。120(60%)用冷藏凝胶包主动冷却,其余被动冷却。121名新生儿(61%)在出生6小时内达到目标温度,14名新生儿(7%)在出生6小时后达到目标温度。在达到目标温度的人中,在其余的检索过程中,38%的人保持在治疗冷却范围内。
    结论:在新生儿取回期间用凝胶包实现和维持TH具有挑战性。在这项研究中,大多数新生儿没有保持目标温度。这些发现支持现有证据,支持使用伺服控制的冷却设备来优化检索设置中的TH。
    OBJECTIVE: To determine the efficacy of refrigerated gel packs in achieving and maintaining target temperature in neonates receiving therapeutic hypothermia (TH) for hypoxic ischaemic encephalopathy during neonatal retrieval.
    METHODS: Retrospective cohort study.
    METHODS: Paediatric Infant Perinatal Emergency Retrieval, Victoria, Australia.
    METHODS: 200 neonates treated with TH during retrieval between 1 January 2015 and 31 December 2020.
    METHODS: Active cooling with refrigerated gel packs or passive cooling.
    METHODS: The primary outcomes were the proportion of neonates who achieved therapeutic cooling rectal temperature (33-34°C) within 6 hours of birth and maintained target temperature range once TH was achieved. Secondary outcomes included need for respiratory support, inotropes, anticonvulsant therapy, sedation and survival at 7 days of life.
    RESULTS: 200 neonates received TH. Median gestational age was 39 weeks and median birth weight 3300 g. 120 (60%) were actively cooled with refrigerated gel packs and the remainder passively cooled. 121 neonates (61%) reached target temperature within 6 hours and 14 (7%) after 6 hours of birth. Of those who achieved target temperature, 38% were maintained in therapeutic cooling range for the remainder of the retrieval.
    CONCLUSIONS: Achieving and maintaining TH during neonatal retrieval with gel packs is challenging. Target temperature was not maintained in most neonates in this study. These findings support existing evidence favouring the use of servo-controlled cooling devices to optimise TH in the retrieval setting.
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  • 文章类型: Journal Article
    背景:SINE-VNTR-Alu(SVA)逆转录转座子以“复制和粘贴”方式从一个基因组位置移动到另一个位置。它们继续活跃地移动并通过各种机制引起单基因疾病。目前,SVA逆转录转座子分为人类特异性年轻的SVA_E或SVA_F亚家族。在这项研究中,我们确定了一个进化上古老的SVA_D逆转录转座子是枕角综合征(OHS)的新原因。OHS是一个X连接,铜转运蛋白功能障碍引起的铜代谢紊乱,ATP7A.
    方法:我们调查了一名患有OHS的16岁男孩,通过常规分子遗传学分析无法检测到其致病变异。
    结果:在患者ATP7A基因内含子深处检测到2.8kb的插入。这种插入导致由位于其中的新供体剪接位点激活的异常mRNA剪接。长读循环共有测序使我们能够准确地读取整个插入序列,其中包含高度重复和富含GC的片段。因此,该插入被鉴定为SVA_D反转录转座子。靶向新剪接位点的反义寡核苷酸(AOs)恢复了正常转录本和功能性ATP7A蛋白的表达。AO治疗以剂量依赖性方式减轻了患者成纤维细胞中铜的过度积累。谱系分析显示,反转录转座子在两代前已经进入了OHS的致病位置。
    结论:这是由SVA_D反转录转座子引起的人类单基因疾病的首次报道。进化上古老的SVA_D仍然被积极地调换,导致拷贝数增加可能对罕见遗传病研究产生显著影响。
    BACKGROUND: SINE-VNTR-Alu (SVA) retrotransposons move from one genomic location to another in a \'copy-and-paste\' manner. They continue to move actively and cause monogenic diseases through various mechanisms. Currently, disease-causing SVA retrotransposons are classified into human-specific young SVA_E or SVA_F subfamilies. In this study, we identified an evolutionarily old SVA_D retrotransposon as a novel cause of occipital horn syndrome (OHS). OHS is an X-linked, copper metabolism disorder caused by dysfunction of the copper transporter, ATP7A.
    METHODS: We investigated a 16-year-old boy with OHS whose pathogenic variant could not be detected via routine molecular genetic analyses.
    RESULTS: A 2.8 kb insertion was detected deep within the intron of the patient\'s ATP7A gene. This insertion caused aberrant mRNA splicing activated by a new donor splice site located within it. Long-read circular consensus sequencing enabled us to accurately read the entire insertion sequence, which contained highly repetitive and GC-rich segments. Consequently, the insertion was identified as an SVA_D retrotransposon. Antisense oligonucleotides (AOs) targeting the new splice site restored the expression of normal transcripts and functional ATP7A proteins. AO treatment alleviated excessive accumulation of copper in patient fibroblasts in a dose-dependent manner. Pedigree analysis revealed that the retrotransposon had moved into the OHS-causing position two generations ago.
    CONCLUSIONS: This is the first report of a human monogenic disease caused by the SVA_D retrotransposon. The fact that the evolutionarily old SVA_D is still actively transposed, leading to increased copy numbers may make a notable impact on rare genetic disease research.
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  • 文章类型: Journal Article
    背景:创伤后应激障碍(PTSD)是一种普遍且严重的精神疾病。针对背外侧前额叶皮层的重复经颅磁刺激(rTMS)对PTSD症状的缓解有限。这项研究将用于验证MRI引导的rTMS在靶向PTSD患者与杏仁核最密切相关的部位方面的功效。我们假设干预将通过降低患者的杏仁核活性来改善临床症状。
    方法:随机,双盲,将进行假对照试验.48名符合条件的PTSD患者将被随机分配在初始MRI扫描后连续10天接受主动或假MRI引导的rTMS。MRI扫描将在干预结束时重新收集。临床评估将在基线进行,治疗第5天,治疗第10天和2周,4周,8周后完成干预监测临床症状的变化。主要评估结果是基线和治疗第10天之间PTSD症状的变化,如DSM-5的PTSD清单所测量的。重复测量方差分析将使用统计软件SPSSV.26.0进行。显著性水平将设定为0.05。
    背景:已获得西安市西京医院伦理委员会的伦理批准,中国(KY20222176-X-1),审判已在ClinicalTrials.gov上注册。该试验的结果将在学术会议上传播或在同行评审的科学期刊上发表。
    背景:NCT05544110。
    BACKGROUND: Post-traumatic stress disorder (PTSD) is a prevalent and severe psychiatric disorder. Repetitive transcranial magnetic stimulation (rTMS) targeting the dorsolateral prefrontal cortex provides limited relief for symptoms of PTSD. This study will be conducted to validate the efficacy of MRI-guided rTMS in targeting the sites most closely associated with the amygdala for patients with PTSD. We hypothesise that the intervention will improve clinical symptoms by decreasing amygdala activity in patients.
    METHODS: A randomised, double-blind, sham-controlled trial will be conducted. Forty-eight eligible patients with PTSD will be randomly assigned to receive either active or sham MRI-guided rTMS for 10 consecutive days after the initial MRI scans. MRI scans will be recollected at the end of the intervention. Clinical assessments will be performed at baseline, treatment day 5, treatment day 10, and 2 weeks, 4 weeks, 8 weeks after completion of the intervention to monitor changes in clinical symptoms. The primary assessment outcome is the change in PTSD symptoms between baseline and treatment day 10, as measured by the PTSD Checklist for DSM-5. Repeated measures analysis of variance will be performed using statistical software SPSS V.26.0. The significance level will be set at 0.05.
    BACKGROUND: Ethical approval has been obtained from the Ethics Committee of Xijing Hospital in Xi\'an, China (KY20222176-X-1), and the trial has been registered on ClinicalTrials.gov. The findings of this trial will be disseminated at academic conferences or published in peer-reviewed scientific journals.
    BACKGROUND: NCT05544110.
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  • 文章类型: Journal Article
    目的:早产后脑损伤的存活率和模式随着临床实践的变化而变化。此外,偶然的发现可以提出法律,道德和实践考虑。这里,我们报告了MRI特征和偶然发现,非常早产儿和足月控制的当代研究队列。
    方法:288名婴儿在足月相同年龄时接受了3TMRI检查:187名出生<32周且无重大实质病变的婴儿,和101个足月出生的控制。T1加权,T2加权和磁敏感加权成像用于根据结构化系统对白质和灰质损伤进行分类,并描述了偶然发现。
    结果:早产儿:34例(18%)有白质损伤,4例(2%)有灰质损伤。51(27%)婴儿有颅内出血的证据,34(18%)有点状白质病变(PWML)。在12名(6%)早产儿中发现了偶然发现。足月婴儿:没有足月婴儿有白色或灰质损伤。在35例(35%)中发现了偶然发现;其中包括22例(22%)的颅内出血,5例(5%)婴儿的脑室周围假性囊肿和4例(4%)婴儿的PWML。从整个队列中,10名(3%)婴儿需要转介专科服务。
    结论:无重大实质病变的极早产儿中,有五分之一在足月相当年龄时出现白质或灰质异常。偶然的发现见于6%的早产儿和35%的足月儿。总的来说,由于偶然发现,接受MRI研究的婴儿中有3%需要随访。这些数据应有助于告知研究的同意程序,并为临床使用3T新生儿脑MRI的中心提供服务计划。
    OBJECTIVE: The survival rate and patterns of brain injury after very preterm birth are evolving with changes in clinical practices. Additionally, incidental findings can present legal, ethical and practical considerations. Here, we report MRI features and incidental findings from a large, contemporary research cohort of very preterm infants and term controls.
    METHODS: 288 infants had 3T MRI at term-equivalent age: 187 infants born <32 weeks without major parenchymal lesions, and 101 term-born controls. T1-weighted, T2-weighted and susceptibility-weighted imaging were used to classify white and grey matter injury according to a structured system, and incidental findings described.
    RESULTS: Preterm infants: 34 (18%) had white matter injury and 4 (2%) had grey matter injury. 51 (27%) infants had evidence of intracranial haemorrhage and 34 (18%) had punctate white matter lesions (PWMLs). Incidental findings were detected in 12 (6%) preterm infants. Term infants: no term infants had white or grey matter injury. Incidental findings were detected in 35 (35%); these included intracranial haemorrhage in 22 (22%), periventricular pseudocysts in 5 (5%) and PWMLs in 4 (4%) infants. From the whole cohort, 10 (3%) infants required referral to specialist services.
    CONCLUSIONS: One-fifth of very preterm infants without major parenchymal lesions have white or grey matter abnormalities at term-equivalent age. Incidental findings are seen in 6% of preterm and 35% of term infants. Overall, 3% of infants undergoing MRI for research require follow-up due to incidental findings. These data should help inform consent procedures for research and assist service planning for centres using 3T neonatal brain MRI for clinical purposes.
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  • 文章类型: Journal Article
    背景:海绵窦血栓形成(CST)是一种严重的疾病,具有很高的发病率和死亡率。
    目标:这篇综述突出了CST的珍珠和陷阱,包括介绍,诊断,并根据当前证据对急诊科(ED)进行管理。
    结论:CST是一种涉及海绵窦的潜在致命性血栓性疾病。最常见的潜在病因是CST发展前几天的鼻窦炎或其他面部感染。尽管其他原因包括颌面部创伤或手术,血栓形成倾向,脱水,或药物。金黄色葡萄球菌,链球菌物种,口腔厌氧物种,革兰阴性杆菌是最常见的细菌病因。最常见的体征和症状是发烧,头痛,和眼部表现(化学,眶周水肿,上睑下垂,眼肌麻痹,视力变化)。颅神经(CN)VI是最常见的CN,导致侧直肌麻痹。其他可能受到影响的CNs包括III,IV,该疾病还可能影响肺和中枢神经系统。实验室检测通常显示炎症标志物升高,血液培养在高达70%的病例中是阳性的。在ED设置中,建议使用静脉造影延迟相位成像对头部和轨道进行计算机断层扫描,尽管磁共振静脉造影显示出最高的灵敏度。管理包括复苏,抗生素,和抗凝专家咨询。
    结论:了解CST可以帮助急诊临床医生诊断和管理这种潜在的致命疾病。
    BACKGROUND: Cavernous sinus thrombosis (CST) is a serious condition that carries with it a high rate of morbidity and mortality.
    OBJECTIVE: This review highlights the pearls and pitfalls of CST, including presentation, diagnosis, and management in the emergency department (ED) based on current evidence.
    CONCLUSIONS: CST is a potentially deadly thrombophlebitic disease involving the cavernous sinuses. The most common underlying etiology is sinusitis or other facial infection several days prior to development of CST, though other causes include maxillofacial trauma or surgery, thrombophilia, dehydration, or medications. Staphylococcus aureus, streptococcal species, oral anaerobic species, and gram-negative bacilli are the most frequent bacterial etiologies. The most prevalent presenting signs and symptoms are fever, headache, and ocular manifestations (chemosis, periorbital edema, ptosis, ophthalmoplegia, vision changes). Cranial nerve (CN) VI is the most commonly affected CN, resulting in lateral rectus palsy. Other CNs that may be affected include III, IV, and V. The disease may also affect the pulmonary and central nervous systems. Laboratory testing typically reveals elevated inflammatory markers, and blood cultures are positive in up to 70% of cases. Computed tomography of the head and orbits with intravenous contrast delayed phase imaging is recommended in the ED setting, though magnetic resonance venography demonstrates the highest sensitivity. Management includes resuscitation, antibiotics, and anticoagulation with specialist consultation.
    CONCLUSIONS: An understanding of CST can assist emergency clinicians in diagnosing and managing this potentially deadly disease.
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    没有关于健康的社会决定因素(SDoH)如何影响患者护理和健康结果的明确教育和培训,医学院未能有效地装备未来的医生为患者服务。我们创建了这个关于健康公平的研讨会,重点是SDoH,以帮助学生更有效地与不同人群沟通。
    为三年级医学生和教职员工提供了课程指南,学习目标,角色扮演小插曲,其中包含特定于职员的历史和身体检查,时间表,在以SDoH为中心的2小时会议中讨论问题。研讨会的影响是通过调查的混合方法分析来衡量的。
    根据87名参与者的调查前后结果,医学生强烈同意(1)与临床接触相比,SDoH对患者健康结果的影响更大(pre:67%,职位:87%),(2)收集有关SDoH的信息是他们的责任(pre:86%,职位:97%),(3)邻域安全是SDoH的关键之一(pre:88%,职位:97%),(4)他们了解上游干预措施的影响(pre:35%,职位:93%),(5)他们可以在每次医疗时有效地筛查所有患者的SDoH(pre:27%,职位:86%),和(6)他们可以找到初步资源,以快速帮助需要帮助的患者关于特定的SDoH(pre:26%,职位:85%)。
    这是本次研讨会的第一次迭代;挑战涉及内容的试点,时间限制,车间的组织结构设计。未来的方向包括使SDoH课程成为本科医学教育和多样化临床环境的组成部分。
    UNASSIGNED: Without explicit education and training on how social determinants of health (SDoH) impact patient care and health outcomes, medical schools are failing to effectively equip future physicians to serve their patients. We created this workshop on health equity with a focus on SDoH to help students more effectively communicate with diverse populations.
    UNASSIGNED: Third-year medical students and faculty were provided with class guides, learning objectives, role-play vignettes containing clerkship-specific history and physical exams, schedules, and discussion questions during a 2-hour session centered on SDoH. The workshop\'s impact was measured through mixed-methods analysis of surveys.
    UNASSIGNED: Based on pre- and postsurvey results from 87 participants, medical students strongly agreed that (1) SDoH factor more into a patient\'s health outcomes than the clinical encounter (pre: 67%, post: 87%), (2) it is their duty to gather information about SDoH (pre: 86%, post: 97%), (3) neighborhood safety is one of the key SDoH (pre: 88%, post: 97%), (4) they understood the impact of upstream interventions (pre: 35%, post: 93%), (5) they could efficiently screen all patients for SDoH at every medical encounter (pre: 27%, post: 86%), and (6) they could find preliminary resources to quickly assist patients in need of help regarding particular SDoH (pre: 26%, post: 85%).
    UNASSIGNED: This was the first iteration of this workshop; challenges involved piloting the content, time restraints, and organizational structure of the workshop design. Future directions include making SDoH curricula an integral part of undergraduate medical education and diverse clinical environments.
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  • 文章类型: Case Reports
    神经梅毒,梅毒螺旋体传播到中枢神经系统的一种罕见表现,是关键的鉴别诊断,因为如果不治疗,其潜在的严重神经系统影响。我们介绍了一例37岁的妇女,她抱怨双侧视力丧失和头痛,最初是由于特发性颅内高压和不受控制的糖尿病。综合评估最终导致神经梅毒诊断。眼科检查显示糖尿病视网膜病变的多因素视觉症状以及神经梅毒。在诊断时迅速开始治疗并导致视觉症状的改善。这个案例强调了在适当年龄范围内进行梅毒筛查的重要性,即使在低流行地区。将神经梅毒视为潜在的诊断可能会影响患者的预后,并强调需要继续保持警惕以识别该疾病。
    Neurosyphilis, a rare manifestation of Treponema pallidum spreading into the central nervous system, is a critical differential diagnosis due to its potentially severe neurologic effects if left untreated. We present a case of a 37-year-old woman who complained of bilateral vision loss and headaches originally concerning for idiopathic intracranial hypertension and uncontrolled diabetes. Comprehensive evaluations eventually led to a neurosyphilis diagnosis. Ophthalmologic examination revealed multifactorial visual symptoms with diabetic retinopathy contributing alongside neurosyphilis. Treatment was started promptly at the time of diagnosis and resulted in improvement in visual symptoms. This case emphasizes the importance of syphilis screening in appropriate age ranges, even in low-prevalence areas. Recognition of neurosyphilis as a potential diagnosis can impact patient outcomes and highlights the need for continued vigilance to identify the disease.
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  • 文章类型: Editorial
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