関連する実験動画
Updated: Jul 15, 2026

10:05
High-throughput Detection Method for Influenza Virus
Published on: February 4, 2012
この患者さんはインフルエンザですか?
Stephanie A Call1, Mark A Vollenweider, Carlton A Hornung
1Department of Medicine, University of Louisville, Louisville, Ky 40202, USA.
JAMA
|February 25, 2005
まとめ
インフルエンザの診断には,臨床症状だけでは信頼できない. 迅速な診断検査とコミュニティ全体のインフルエンザの活動データは,特に抗ウイルス剤の需要が高い時期に,正確な患者管理に不可欠です.
科学分野:
- 感染症 感染症は感染症です.
- クリニカル診断士
- エピデミオロジー エピデミオロジー
背景:
- インフルエンザワクチン接種は,インフルエンザのリスクを軽減しますが,排除することはありません.
- インフルエンザの正確で迅速な臨床診断は,特に抗ウイルス薬の不足時に,患者の管理に不可欠です.
研究 の 目的:
- インフルエンザの症状と徴候の診断の正確性を体系的に検討する.
- 迅速なインフルエンザ診断検査の性能を評価する.
主な方法:
- MEDLINEの体系的な文献検索と文献集 (1966年−2004年).
- 標準的な基準に対する症状/徴候の動作特性を報告する研究を含む.
- データの抽象化と確率比 (LR) の推定は,2人の独立したレビュー者によって行われました.
主要な成果:
- インフルエンザが一般人群で確実に確認されたり,排除されたりした症状や兆候は1つもありませんでした.
- 発熱,咳,または鼻の詰まりがないと,インフルエンザの確率が低下した (LR <0.5).
- 高齢者 (≥60歳) では,発熱,咳,急性発症,不快感,寒の組み合わせにより,インフルエンザの発生可能性が増加した (LR>2.0).
結論:
- 臨床的発見だけでは,決定的なインフルエンザの診断には不十分です.
- 臨床医は,コミュニティのインフルエンザの活動を考慮し,情報に基づいた管理決定のために迅速な診断テストを使用する必要があります.
関連する概念動画
Stages of Infection
Stages of infection describe what happens to a susceptible host once a pathogen invades the human body. The stages of infection are incubation, prodromal, illness, stage of decline, and convalescence. The incubation stage is the period from exposure to a pathogen until symptoms start. The infected person is unaware of impending illness as the pathogens grow and multiply within the body. The duration may vary depending on the type of infection. The incubation period of measles averages ten to...
Pneumonia II: Pathophysiology
The pathophysiology of pneumonia involves the following steps:
Rocky Mountain Spotted Fever
Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.
Poliomyelitis
Poliomyelitis is caused by poliovirus, a small, non-enveloped, positive-sense RNA virus of the Picornaviridae family and Enterovirus genus. Transmission occurs primarily via the fecal-oral route, often through ingestion of contaminated water or food. The virus initially replicates in the oropharynx and intestinal mucosa, particularly in lymphoid tissues such as the tonsils, Peyer’s patches, and regional lymph nodes. Primary viremia follows, allowing dissemination throughout the body.In most...
Influenza
Influenza is an acute, highly communicable viral disease that affects the respiratory tract and is responsible for seasonal epidemics worldwide. Influenza A is the most prevalent type associated with widespread outbreaks and is subtyped based on two surface glycoproteins: hemagglutinin (H) and neuraminidase (N), as in H1N1. These glycoproteins are essential for viral infectivity, transmission, and immune recognition. Transmission occurs primarily through respiratory droplets and contaminated...
Respiratory Syncytial Virus Disease
Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...

