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Bacterial Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...
Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Encephalitis l: Introduction01:19

Encephalitis l: Introduction

Encephalitis is inflammation of the brain parenchyma, most often due to infections or autoimmune processes. It presents with neuropsychiatric features such as fever, altered mental status, behavioral changes, cognitive dysfunction, seizures, focal deficits, and sometimes autonomic instability. In some cases, the meninges are also involved, resulting in meningoencephalitis.Infectious CausesInfectious encephalitis is most commonly viral but can also result from bacterial, fungal, or parasitic...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...

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Detection of MicroRNAs in Microglia by Real-time PCR in Normal CNS and During Neuroinflammation
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Published on: July 23, 2012

在儿童和青少年中临床识别脑膜炎球菌病.

Matthew J Thompson1, Nelly Ninis, Rafael Perera

  • 1Department of Primary Health Care, Old Road Campus, University of Oxford, Oxford, UK.

Lancet (London, England)
|February 7, 2006
PubMed
概括
此摘要是机器生成的。

在患有脑膜炎球菌疾病的儿童中,早期识别败血症症状至关重要. 识别这些早期症状可以显著减少住院延误,并改善这种严重的儿童感染的结果.

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科学领域:

  • 儿科 儿科 儿科
  • 传染性疾病 传染性疾病
  • 流行病学 流行病学

背景情况:

  • 脑膜炎球菌病是一种严重的,迅速发展的儿童感染,具有全球健康影响.
  • 有限的研究量化了入院前症状的发作和进展.
  • 了解医院前症状学对于及时诊断和干预至关重要.

研究的目的:

  • 在入院之前,系统地调查患有脑膜炎球菌疾病的儿童的症状发生和时间.
  • 为了比较经典脑膜炎球菌病的发病特征与早期败血症症状.
  • 确定对初级保健诊断框架的潜在改进.

主要方法:

  • 一项回顾性研究分析了448名确诊患有脑膜炎球菌病的儿童 (年龄≤16岁) 的数据.
  • 通过家长问卷和初级保健记录收集的数据详细介绍了住院前的疾病过程.
  • 结果以英国病例死亡率为标准,用于比较分析.

主要成果:

  • 脑膜炎球菌疾病的诊断窗口很窄,大多数儿童最初呈现非特异性症状.
  • 典型的症状,如皮疹和意识受损,表现得较晚 (中位数为13-22小时).
  • 早期的败血症症状 (例如,腿部疼痛,四肢感冒) 显著较早出现 (中位数为8小时),比入院 (中位数为19小时),在72%的病例中出现.

结论:

  • 脑膜炎球菌病的经典临床表现往往出现在疾病的晚期.
  • 父母和初级保健医生的早期识别败血症症状对于减少诊断延迟至关重要.
  • 建议采用修订后的诊断方法,强调早期的败血症识别,以改善患者的治疗结果.