Neonatal pneumonia

Neonatal pneumonia is an acute lower respiratory tract infection affecting newborn infants within the first 28 days of life It can be categorized as congenital, early-onset (typically acquired perinatally via ascending amniotic infection or aspiration during delivery), or late-onset (usually nosocomial or community-acquired)

Neonatal pneumonia is an acute lower respiratory tract infection affecting newborn infants within the first 28 days of life Pathophysiologically, pathogen invasion triggers alveolar inflammation, impaired gas exchange, and surfactant dysfunction, which frequently presents as respiratory distress—including tachypnea, grunting, retractions, and hypoxemia—or as part of a generalized systemic sepsis syndrome

It can be categorized as congenital, early-onset (typically acquired perinatally via ascending amniotic infection or aspiration during delivery), or late-onset (usually nosocomial or community-acquired)

Pathophysiologically, pathogen invasion triggers alveolar inflammation, impaired gas exchange, and surfactant dysfunction, which frequently presents as respiratory distress—including tachypnea, grunting, retractions, and hypoxemia—or as part of a generalized systemic sepsis syndrome

Pathophysiologically, pathogen invasion triggers alveolar inflammation, impaired gas exchange, and surfactant dysfunction, which frequently presents as respiratory distress—including tachypnea, grunting, retractions, and hypoxemia—or as part of a generalized systemic sepsis syndrome

Common causative organisms include group B *Streptococcus*, enteric Gram-negative bacilli such as *Escherichia coli*, and other nosocomial or viral pathogens

Common causative organisms include group B *Streptococcus*, enteric Gram-negative bacilli such as *Escherichia coli*, and other nosocomial or viral pathogens

Common causative organisms include group B *Streptococcus*, enteric Gram-negative bacilli such as *Escherichia coli*, and other nosocomial or viral pathogens