在使用贝叶斯潜伏类模型评估的低和高患病率的野生类动物中进行结核病的死后诊断测试的性能
Beatriz Cardoso1,2,3, Saúl Jiménez-Ruiz4, Alberto Perelló Jiménez3
1InBIO Laboratório Associado, CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Vairão, Portugal.
Frontiers in veterinary science
|October 10, 2024
概括
这项研究评估了野生猪和鹿类动物的动物结核病 (TB) 诊断测试. 结果能够准确地估计野生动物的结核病发病率,以便进行更好的生态研究.
科学领域:
- 兽医流行病学 兽医流行病学
- 野生动物疾病生态学 野生动物疾病生态学
- 诊断试验评价 诊断试验评价
背景情况:
- 动物结核病 (TB) 是一种在涉及牲畜和野生动物的多宿主系统中维持的重大动物性疾病.
- 准确估计野生动物群体的真实结核病患病率对于有效的疾病管理和定量生态研究至关重要.
- 必须知道诊断试验的性能 (灵敏度和特异性),以纠正明显的流行数据.
研究的目的:
- 为了评估总病理的诊断灵敏度 (Se) 和特异性 (Sp),IS6110实时PCR,细菌培养和P22间接ELISA用于检测野猪和鹿类的结核病.
- 建立必要的基础数据,以估计这些野生类动物群体中结核病的真实流行率.
- 为未来野生动物结核病监测和研究选择适当的诊断工具提供信息.
主要方法:
- 贝叶斯隐藏类模型被用来评估各种诊断测试的Se和Sp.
- 总共分析了308只捕获的野生类动物:211只野猪和97只鹿 (92只红鹿,5只鹿).
- 评估的诊断测试包括总病理学,组织中的IS6110实时PCR,细菌学培养和P22间接ELISA.
主要成果:
- 细菌培养和粗病理学显示野猪的Se很好 (分别为80.4%和87.9%),但鹿类的Se较低 (60.2%和81.5%).
- 在野猪和鹿类中,实时PCR的Se值低 (约为50.7-53.0%),而所有测试通常显示高Sp (>95.2%).
- P22 ELISA在野猪中表现良好,但在鹿类中缺乏特异性. 结合大致病理学和细菌学培养在鹿类显著改善了诊断性能 (Se 93.1%,Sp 92.9%).
结论:
- 这项研究为野猪,红鹿和休鹿的结核病诊断测试提供了必要的Se和Sp估计值.
- 这些发现使得使用单一诊断测试对这些被捕获的野生类动物进行真实结核病流行率的估计成为可能.
- 这项研究为在多宿主野生动物社区中对结核病维持进行更精确的定量生态研究铺平了道路.
更多相关视频
10:04Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
Published on: September 5, 2017
18.8K
09:23Use of the Invertebrate Galleria mellonella as an Infection Model to Study the Mycobacterium tuberculosis Complex
Published on: June 30, 2019
11.8K
相关概念视频
Pulmonary Tuberculosis IV
134
Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
134
Pulmonary Tuberculosis III
307
Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
The first classification is based on the development of the disease, and it includes the following categories:
307
Pulmonary Tuberculosis V
170
Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
170
Pulmonary Tuberculosis II
212
Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
212
