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Bacteria Isolated from Sites of Infection 1202.e1

Bacteria Isolated from Sites of Infection
VetBooks.ir Integumentary Bacteroides spp, Fusobacterium, Streptococcus spp, gram-positive bacilli,

Actinomyces
Pyoderma
Staphylococcus pseudintermedius, other coagulase-positive and coagulase-negative Enterocolitis
staphylococcal species, including S. schleiferi, S. aureus, Streptococcus canis, Salmonella spp, Campylobacter spp, Clostridium spp, E. coli, Helicobacter spp,
Pseudomonas aeruginosa Klebsiella spp, Enterococcus, Yersinia enterocolitica, Anaerobiospirillum spp,
Abscess Mycobacterium spp, Neorickettsia helminthoeca
NOTE: Anaerobic and facultative anaerobic pathogens predominate in subcutaneous Hepatobiliary
abscesses. E. coli, Enterococcus spp, Bacteroides spp, Clostridium spp, other anaerobes,
Bacteroides spp, Prevotella spp, Fusobacterium spp, Pasteurella spp, Peptostrep- Streptococcus spp, Staphylococcus spp
tococcus spp, beta-hemolytic streptococci, Staphylococcal spp, Actinomyces spp
Otitis Externa or Media Genitourinary
Pyelonephritis
S. pseudintermedius, P. aeruginosa, S. schleiferi, S. aureus, Proteus mirabilis, E. E. coli, Staphylococcus spp, Proteus spp, Streptococcus spp, Klebsiella spp,
coli, Corynebacterium spp, Klebsiella spp, enterococci, beta-hemolytic streptococci Enterobacter spp, P. aeruginosa
Cardiovascular Cystitis
Endocarditis NOTE: E. coli accounts for 30% to 50% of all bacterial cystitis, and Staphylococcal
Streptococci spp including S. canis and S. bovis, Bartonella spp, Staphylococci spp, infections account for ≈20%-25%.
Enterococcus spp, gram-negative rods including Escherichia coli and Salmonella, E. coli, Staphylococcus spp, Klebsiella spp, Streptococcus spp, Enterococcus
other gram-positive bacteria including Actinomyces spp and Erysipelothrix spp, spp, Enterobacter spp, Proteus spp, Pasteurella spp, Corynebacterium spp
Mycobacterium spp
Pericarditis Prostatic
E. coli, Staphylococcus spp, Klebsiella spp, Proteus mirabilis, Mycoplasma canis,
NOTE: Fungal pericarditis is more common than bacterial pericarditis in cats P. aeruginosa, Enterobacter spp, Streptococcus spp, Pasteurella spp, Haemophilus
and dogs, but infectious pericarditis of any cause is uncommon compared with spp, Brucella canis
noninfectious pericardial disorders. Bacterial pericarditis is often associated with
penetrating foreign body (e.g., foxtail). Pyometra
Actinomyces spp, Nocardia spp, Mycobacterium spp, Bacteroides spp, NOTE: E. coli accounts for the vast majority of pyometra infections. Differentials, Lists, and Mnemonics
Staphylococcus spp, Streptococcus spp, Pasteurella spp E. coli, Streptococci spp, Staphylococci spp, Proteus spp, Klebsiella spp,
Respiratory Serratia marcescens, Salmonella spp, Clostridium spp, P. aeruginosa
Upper Airway Musculoskeletal
NOTE: Nasal bacterial infections are almost always secondary rather than primary Osteomyelitis
infections. S. pseudintermedius, other coagulase-positive and coagulase-negative staphylococci,
Chlamydia felis (cats), Bordetella bronchiseptica, Mycoplasma cynos, beta-hemolytic streptococci, Enterococcus spp, E. coli, Proteus spp, Klebsiella
Streptococcus canis, Streptococcus equi subsp zooepidemicus, P. multocida, spp, Pasteurella spp, Actinomyces spp, Propionibacterium spp
E. coli, P. aeruginosa Discospondylitis
Pneumonia S. pseudintermedius, other coagulase-positive and coagulase-negative staphylococci,
NOTE: Up to 25% of bacterial pneumonia can include anaerobic pathogens. Streptococcus spp, Klebsiella spp, E. coli, B. canis, Actinomyces spp, Prevotella
E. coli, Pasteurella spp, Streptococcus spp, B. bronchiseptica, Enterococcus spp, spp, Fusobacterium spp, Aspergillus spp, Paecilomyces spp
Mycoplasma spp, S. pseudintermedius and other coagulase-positive Staphylococcus Polyarthritis
spp, Klebsiella spp, Pseudomonas spp, S. equi zooepidemicus, S. canis, Yersinia Rickettsia rickettsii, Ehrlichia ewingii, Anaplasma phagocytophilum, Borrelia
pestis, Enterococcus spp burgdorferi, Staphylococcal spp, hemolytic Streptococcus spp, Mycoplasma spp
Pyothorax Meningitis
NOTE: Mixed infections are extremely common, as are anaerobic pathogens. NOTE: Bacterial meningitis is uncommon in dogs and cats, but can be caused by
Treatment should include an anaerobic spectrum even if anaerobes are not almost any pyogenic bacteria gaining entry via extension of infection from sinuses,
isolated on culture. retrobulbar or ear infection, traumatic injury, or hematogenous dissemination.
Bacteroides spp, Pasteurella spp, Fusobacterium, Prevotella spp, Porphy- Staphylococcus spp, Streptococcus spp, Pasteurella spp, Enterobacteriaceae
romonas, Peptostreptococcus spp, Clostridium, Actinomyces, Propionibacterium spp, Actinomyces spp, Nocardia spp, Mycoplasma spp
acnes, Fusobacterium spp, Clostridium spp, Streptococcus spp, and Mycoplasma Ocular
spp, Staphylococcus spp, Nocardia spp, Rhodococcus equi, E. coli, Klebsiella
pneumoniae, Enterococcus spp, Corynebacterium spp, Bacillus spp Conjunctivitis
Mycoplasma spp, C. felis, coagulase-positive Staphylococcal spp, Streptococcal
Gastrointestinal spp, Micrococcus spp
Oral
NOTE: A wide variety of anaerobic, aerobic, and facultative organisms and spirochetes
are identified.

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