肺移植后支气管狭窄:风险因素和临床结果
Antonio Coppolino1,2, Rie Maurer3, Ella Woehl1
1Brigham and Women's Hospital, Boston, MA.
JHLT open
|February 2, 2026
概括
肺移植后的支气管狭窄与男性性别,移植功能障碍,更长的住院时间和格拉姆阴性细菌感染有关. 然而,它没有显著影响生存率或排斥率.
科学领域:
- 肺部医学 肺部医学
- 移植手术 移植手术
- 传染性疾病 传染性疾病
背景情况:
- 支气管狭窄是肺移植后的一种已知的并发症.
- 支气管狭窄的危险因素和临床影响仍然不完全理解.
- 这项研究调查了支气管狭窄的预测因素,重点是移植后的细菌感染.
研究的目的:
- 为了确定支气管狭窄症的独立风险因素,需要在肺移植后进行干预.
- 评估支气管狭窄症对关键临床结果的影响.
- 探索移植后细菌感染和支气管狭窄症之间的关联.
主要方法:
- 对342名成年肺移植接受者 (2017-2023) 的回顾性队列研究.
- 支气管狭窄症定义为局部呼吸道狭窄,需要进行干预.
- 单变量和多变量逻辑回归分析了临床,外科手术期间和感染变量在狭窄发生之前.
主要成果:
- 9.9%的患者患有支气管狭窄症.
- 独立的风险因素包括男性性别,肺移植功能障碍 (PGD),更长的指数住院和阳性细菌呼吸道培养.
- 肺炎和Pseudomonas aeruginosa或其他グラム阴性感染与狭窄症有很强的关联;金黄色葡萄球菌没有.
- 支气管狭窄症没有显著影响生存,排斥或慢性肺异位移植功能障碍 (CLAD).
结论:
- 肺移植后的支气管狭窄症与PGD和细菌性呼吸道感染有关,特别是阴性物种.
- 早期的グラム阴性细菌感染可能会导致支气管狭窄症的发展.
- 结果强调感染预防,并建议进一步研究因果机制和有针对性的干预措施.
相关概念视频
Factors Affecting the Risk of Infection
13.5K
The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
13.5K
Mitral Stenosis II: Clinical features and Diagnostic Tests
263
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
263
The Bronchial Tree
6.7K
The human bronchi and bronchial tree play a crucial role in the respiratory system, facilitating the exchange of oxygen and carbon dioxide. Let's delve into the intricate structure and functions of these respiratory components.
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
6.7K
Predicting Reaction Outcomes
10.8K
Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
10.8K
Relative Risk
2.1K
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
2.1K
Mitral Stenosis I: Introduction
633
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
633


