Risk Factors for Pathogens Resistant to Usual Therapy for Community-Acquired Pneumoniaa

Risk Factors for Pathogens Resistant to Usual Therapy for Community-Acquired Pneumonia^a
MULTIDRUG-RESISTANT GRAM-NEGATIVE BACTERIA AND MRSA	NOSOCOMIAL MRSA	COMMUNITY-ACQUIRED MRSA
Hospitalization ≥2 days in previous 90 days Use of antibiotics in previous 90 days Immunosuppression Nonambulatory status Tube feedings Gastric acid suppression Severe COPD or bronchiectasis^b	Hospitalization ≥2 days in previous 90 days Use of antibiotics in previous 90 days Chronic hemodialysis in previous 30 days Documented prior MRSA colonization Congestive heart failure Gastric acid suppression	Cavitary infiltrate or necrosis Gross hemoptysis Neutropenia Erythematous rash Concurrent influenza Young, previously healthy status Summer-month onset

Risk Factors for Pathogens Resistant to Usual Therapy for Community-Acquired Pneumonia^a

MULTIDRUG-RESISTANT GRAM-NEGATIVE BACTERIA AND MRSA

NOSOCOMIAL MRSA

COMMUNITY-ACQUIRED MRSA

Hospitalization ≥2 days in previous 90 days

Use of antibiotics in previous 90 days

Immunosuppression

Nonambulatory status

Tube feedings

Gastric acid suppression

Severe COPD or bronchiectasis^b

Hospitalization ≥2 days in previous 90 days

Use of antibiotics in previous 90 days

Chronic hemodialysis in previous 30 days

Documented prior MRSA colonization

Congestive heart failure

Gastric acid suppression

Cavitary infiltrate or necrosis

Gross hemoptysis

Neutropenia

Erythematous rash

Concurrent influenza

Young, previously healthy status

Summer-month onset

^a Cephalosporin/macrolide or respiratory fluoroquinolone.

^b Risk for Pseudomonas aeruginosa infection.

Abbreviations: COPD, chronic obstructive pulmonary disease; MRSA, methicillin-resistant Staphylococcus aureus.