由Prevotella intermedia引起的感染性心周溢出:一种罕见的诊断
Wan Xu1, Dan Han2, Tianyang Chen2
1Songnan Community Health Service Center, Shanghai, China.
Frontiers in cellular and infection microbiology
|July 1, 2025
概括
一种具有挑战性的细菌Prevotella intermedia在心周溢液中被检测到,使用了下一代元基因组测序. 这一进展为中国的这种病原体提供了至关重要的早期检测和临床指导.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 基因组学就是基因组学.
背景情况:
- 普雷沃特拉中介是一种无氧的格拉姆阴性菌.
- 标准实验室方法在检测Prevotella intermedia时面临挑战.
- 在中国,之前没有关于在心脏内流出中检测到Prevotella intermedia的报道.
研究的目的:
- 调查甲基因组下一代测序 (mNGS) 的实用性,以检测心周溢出中的Prevotella intermedia.
- 确定中国心周溢血病例中首次记录的Prevotella intermedia病例.
- 探索mNGS在指导早期临床管理方面的潜力.
主要方法:
- 在心周溢液样本上利用了新一代元基因组测序 (mNGS).
- 采用先进的生物信息分析来识别病原体.
- 将mNGS结果与常规诊断方法进行比较 (隐式).
主要成果:
- 通过使用mNGS.成功检测了心脏外泄中的Prevotella intermedia.
- 确立了中国心脏外流中Prevotella intermedia的第一个有记录的病例.
- 与常规检测相比,mNGS显示了这种病原体的更高检测率.
结论:
- 基因组下一代测序是一种强大的工具,用于检测具有挑战性的病原体,如Prevotella intermedia.
- 这项研究为在中国心脏外泄中检测Prevotella intermedia树立了新的先例.
- 通过mNGS进行早期检测可以显著改善相关感染的临床管理策略.
相关概念视频
01:22Pericarditis I: Introduction
26
Pericarditis is defined as the inflammation of the pericardium, the thin, sac-like membrane surrounding the heart. This condition can cause significant chest pain and other symptoms, often necessitating medical intervention. The pericardium has two layers: the inner visceral layer and the outer parietal layer, separated by a small amount of fluid that reduces friction during heartbeats.Types of PericarditisPericarditis can be classified into several types based on the duration and nature of the...
26
01:25Endocarditis I: Introduction
32
Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
32
01:21Myocarditis I: Introduction
35
Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
35
01:19Pericarditis II: Clinical Features and Diagnostic Tests
32
Pericarditis is distinguished by inflammation of the pericardium, the fibrous sac that encases the heart. It can be acute, lasting less than six weeks, or chronic, persisting for over three months. Understanding its clinical manifestations and diagnostic findings is crucial for timely and effective management.Clinical ManifestationsWhile pericarditis can be asymptomatic, it usually presents with characteristic symptoms such as:Chest Pain: The most characteristic symptom of pericarditis is chest...
32
01:25Endocarditis II: Clinical Features of Infective Endocarditis
28
Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
28
01:17Pericarditis III: Medical Management
30
The primary objectives of managing pericarditis are to determine the underlying cause, provide effective therapy for treatment and symptom relief, and promptly detect signs and symptoms of cardiac tamponade. The following outlines the essential aspects of medical management for pericarditis:ObjectivesDetermine the Cause: Identifying the underlying cause of pericarditis is crucial for targeted treatment. Causes include viral infections, autoimmune diseases, post-cardiac injury syndrome, and...
30