Hospital-Acquired Pneumonia: Pathogens, Resistance, and Key Symptoms

Hospital-acquired pneumonia (HAP)

Type of pneumonia that occurs in patients during hospital stays.

what is ventilator-associated pneumonia (VAP)

Patients on mechanical ventilation are at high risk for Ventilator-Associated Pneumonia (VAP). This often occurs because the breathing tube allows pathogens like Pseudomonas aeruginosa to bypass natural defenses and enter the lungs through microaspiration or contaminated equipment

What are the clinical signs and haematological indicators of hospital-acquired bacteraemia?

Bacteraemia causes fever, chills, and tachycardia. It affects blood by increasing white cell counts and decreasing platelet levels, potentially leading to sepsis, hypotension, and organ dysfunction if untreated.

what is Sepsis

A life-threatening condition caused by the body's response to infection.

What are key symptoms of hospital-acquired pneumonia

Fever, worsening oxygenation, purulent sputum, pleural effusion.

High-risk patients for hospital-acquired pneumonia

Patients in ICU, ventilated, immunocompromised, or on prolonged antibiotics.

what are some resistance mechanisms in pathogens

ESBLs, carbapenemases, efflux pumps, reduced porins.

Key pathogens associated with hospital-acquired pneumonia

Acinetobacter baumannii, Pseudomonas aeruginosa, Stenotrophomonas maltophilia, Burkholderia spp.