Which organism is a common cause of post-surgical endophthalmitis?

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Study for the NBEO Microbiology exam. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

Which organism is a common cause of post-surgical endophthalmitis?

Explanation:
Post-surgical endophthalmitis is most often caused by skin flora contaminating the surgical field. The usual culprits are coagulase-negative staphylococci, especially Staphylococcus epidermidis, which is a common inhabitant of the eyelids and skin and can readily colonize intraocular sites or implants, sometimes forming biofilms that sustain infection after surgery. While Staphylococcus aureus, Pseudomonas aeruginosa, and Streptococcus pneumoniae can cause endophthalmitis in other settings, they are less frequently responsible in the postoperative context. Therefore, Staphylococcus epidermidis is the most frequent cause.

Post-surgical endophthalmitis is most often caused by skin flora contaminating the surgical field. The usual culprits are coagulase-negative staphylococci, especially Staphylococcus epidermidis, which is a common inhabitant of the eyelids and skin and can readily colonize intraocular sites or implants, sometimes forming biofilms that sustain infection after surgery. While Staphylococcus aureus, Pseudomonas aeruginosa, and Streptococcus pneumoniae can cause endophthalmitis in other settings, they are less frequently responsible in the postoperative context. Therefore, Staphylococcus epidermidis is the most frequent cause.

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