pneumonia
an acute infection of the lung parenchyma leading to alveolar inflammation, fluid/exudate accumulation, and impaired gas exchange.
Normal Respiratory Defense Mechanisms
Routes of infection
-Aspiration of oropharyngeal/nasopharyngeal flora
-Inhalation of microbes from the air
-Hematogenous spread from another infection site
Community-Acquired Pneumonia (CAP)
acute infection in patients who have not been hospitalized within 14 days of the onset of symptoms
Hospital-Acquired Pneumonia (HAP)
occurs 48 hrs or longer after hospitalization and not present at time of admission
Ventilator-Associated Pneumonia (VAP)
occurs more than 48 hrs after endotracheal intubation
Aspiration Pneumonia
abnormal entry of oral or gastric material into lower airway
Opportunistic Pneumonia
lung infection that occurs in people with weakened immune systems
pneumonia risk factors
-Age >65
-Smoking, air pollution
-Chronic diseases (COPD, diabetes, heart disease, CKD)
Altered LOC (stroke, seizures, anesthesia)
Tube feeding, prolonged immobility, recent surgery
Immunosuppression (chemo, HIV, steroids)
IV drug use, exposure to farm animals/birds
clinical manifestations of pneumonia
Cough (productive or nonproductive)
sputum (yellow, green, rust-colored)
Fever, chills, dyspnea, tachypnea, pleuritic chest pain
Crackles sounds
Elderly: confusion, stupor
Hypoxia: agitation, restlessness, cyanosis, tachycardia
complications of pneumonia
Atelectasis
Pleural Effusion
Pleurisy
Bacteremia & Sepsis:
Respiratory Failure
Pneumothorax
Pleural Effusion
Fluid in pleural space, causes decreased breath sounds
Pleurisy
Inflamed pleura, sharp inspiratory pain
Bacteremia & Sepsis
Pathogen spreads to bloodstream
Respiratory Failure
Common cause of death in severe pneumonia
Pneumothorax
Alveolar rupture causing lung collapse
pneumonia treatment + management
Empiric antibiotics
supportive care
mucolytics
empiric antibiotics for pneumonia
Penicillin; amoxicillin, ceftriaxone
supportive care for pneumonia
High-calorie, small meals
mucolytics
medications that help thin and loosen mucus in the respiratory tract
nursing management for pneumonia
-Assess breath sounds, sputum, vital signs
-Monitor O2, encourage incentive spirometry, early ambulation
-Position: Elevate HOB ≥30°, frequent repositioning
-Strict hand hygiene, infection control
-Teach deep breathing, coughing, use of IS
patient teaching for pneumonia
Complete antibiotic course
Adequate rest and hydration
Smoking cessation, limit alcohol
Annual influenza and pneumococcal vaccines
Awareness: recovery can take weeks