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Etiology of acute severe lower respiratory tract infection in hospital-based patients
Abstract:
Acute respiratory infections are common childhood illnesses. Most are mild and self-limiting. Five percent are lower respiratory tract diseases and are potentially serious. A prospective study was conducted to ascertain the etiology of community-acquired severe lower respiratory tract infections (LRTI) in hospital based patients. Mycoplasma was the most frequently identified agent (33%). This was followed by viruses (28%) and bacteria (15%). Twenty-four percent of children had no identified causative agent.
Insights
Mycoplasma was the most common cause of severe lower respiratory tract infections in hospitalized children. Viruses and bacteria were also identified, but a significant portion had no clear pathogen.
Area of Science:
- Pediatrics
- Infectious Diseases
- Respiratory Medicine
Background:
- Acute respiratory infections are frequent in children, with most cases being mild.
- However, severe lower respiratory tract infections (LRTI) represent a serious health concern, accounting for 5% of childhood respiratory illnesses.
Purpose of the Study:
- To determine the causative agents of community-acquired severe lower respiratory tract infections (LRTI) in hospitalized children.
- To identify the most frequent pathogens responsible for severe LRTI in this pediatric population.
Main Methods:
- A prospective study was conducted on hospitalized pediatric patients diagnosed with community-acquired severe LRTI.
- Etiological investigations were performed to identify the infectious agents responsible.
Main Results:
- Mycoplasma was identified as the most frequent causative agent in 33% of cases.
- Viruses were the second most common cause (28%), followed by bacteria (15%).
- In 24% of the children, no specific causative agent was identified.
Conclusions:
- Mycoplasma is a significant pathogen in severe pediatric lower respiratory tract infections.
- A substantial proportion of severe LRTI cases in children remain without an identified etiology, highlighting the need for further research.