Nosocomial Infection Epidemiology and Clinical Management

Nosocomial infections, also known as healthcare-associated infections, emerge within clinical settings and pose a significant challenge to global public health. These infections arise from a combination of factors including patient susceptibility, invasive procedures and the widespread use of antimicrobial therapies. Epidemiological surveillance utilises data on incidence, pathogen distribution and resistance patterns to inform targeted prevention strategies and refine clinical protocols. Implementation of infection control measures such as hand hygiene, environmental decontamination and isolation precautions has proven effective in reducing transmission. Concurrently, antimicrobial stewardship programmes aim to optimise antibiotic use, minimising the emergence of resistant strains. Clinical management demands rapid diagnostic techniques, risk stratification for high-risk populations and adherence to evidence-based guidelines for empiric and targeted therapy. Integration of novel technologies, such as real-time molecular assays and automated detection systems, promises to enhance early detection and guide precise interventions. The interplay between surveillance data, infection control practices and stewardship activities underpins a multifaceted approach to protect patients and healthcare workers while combating the global rise of resistant pathogens.

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Nosocomial Infection Epidemiology and Clinical Management publication trend

The graph below shows the total number of articles in nosocomial infection epidemiology and clinical management across all publications each year (not limited to Nature Index journals).

Technical terms

Nosocomial infection: An infection acquired during hospitalisation or while receiving healthcare, typically appearing 48 hours or more after admission.

Antimicrobial stewardship: Coordinated interventions designed to improve and measure the appropriate use of antimicrobial agents to optimise patient outcomes and reduce resistance.

Surveillance system: A structured process for the ongoing collection, analysis and interpretation of health data essential to planning, implementing and evaluating public health practice.

Multidrug-resistant organism (MDRO): A pathogen resistant to multiple classes of antimicrobial agents, limiting therapeutic options and complicating clinical management.

Ventilator-associated pneumonia (VAP): A pneumonia occurring more than 48 hours after endotracheal intubation, often linked to biofilm formation on the ventilator circuit and oropharyngeal colonisation.

References

1. Development and Evaluation of Surveillance System for Identifying Jail-Associated COVID-19 Cases in Minnesota, USA, 2022 - Volume 30, Supplement—March 2024 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases (2024).
2. Characteristics of trauma patients with multidrug-resistant bacteria from an epidemiological, clinical, and microbiological perspective. Tamjeed Journal of Healthcare Engineering and Science Technology (2023).
3. Características de las Infecciones asociadas a atenciones en la salud y uso de antibióticos en una Unidad de Cuidados Intensivos COVID- 19, del norte peruano: 2020-2021. Revista del Cuerpo Médico Hospital Nacional Almanzor Aguinaga Asenjo (2023).