Rare but Risky: Orthopedic Infections by Unconventional Gram-Positive Cocci - A Case Series
Abstract
Abstract Introduction: Staphylococcus aureus is the most common Gram-positive cocci causing orthopedic infections. However, infections due to unconventional Gram-positive cocci (GPC) are also occasionally reported. In such cases, the isolated microorganisms are usually a part of normal flora of human body turned into opportunistic pathogens. We have reported that three cases where the infection was due to such unconventional GPC. Case Report: Case 1: An 81-year-old man presented with collection of fluid at operative site after 1 month of operation. Staphylococcus warneri was isolated from the drain fluid of postoperative site. The wound was completely healed after treatment with linezolid and levofloxacin for 2 weeks. Case 2: A 54-year-old woman presented with lacerated wound on the left knee, difficulty in walking and cellulitis. There was a history of roadside accident 5 days ago. Gemella morbillorum was isolated from the pus swab of the wound. It was successfully treated with linezolid for 3 weeks and regular dressings. Case 3: A 48-year-old woman presented with left fourth toe swelling and pain. On examination, there was cellulitis of 4th toe with query pre-gangrenous changes. The slough of the affected toe was removed under anesthesia and sent for culture. Enterococcus casseliflavus was isolated from the sample. Complete healing of the infection was seen after 3 weeks’ duration of treatment with levofloxacin and supportive treatment. In these three cases, uncommon GPC…
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