Abstract
Staphylococcus intermedius is part of the normal skin and oral flora of dogs. Case reports of human infections are rare, but the true incidence is unknown because the pathogen is frequently misidentified as Staphylococcus aureus. Reported cases range from soft tissue infections to brain abscess. Most reported cases in humans have been related to dog exposure. We report a case of a 73 year old female with S. intermedius surgical wound infection one month following a left elbow total arthroplasty. This is the first reported human case of S. intermedius infection of a mechanical prosthesis. The presumed source of infection was the patient’s dog. The patient was treated with vancomycin, then switched to cefazolin and rifampin once susceptibilities were known. Case reports suggest that patients generally respond well to tailored antibiotics with complete or near-complete recovery. S. intermedius should be included in the differential diagnosis of invasive infection amongst patients with close contact with dogs.
Highlights
Introduction mannitol22 The two species can be distin- tion was found in the elbow
We report a case of a 73 year old m female with S. intermedius surgical wound m infection one month following a left elbow total arthroplasty
In accordance with CLSI standards, the minks, horses, foxes, raccoons, goats, and gray elbow isolates were determined to be resistant squirrels.[1]. It is the predominant cause of skin A 73 year old Caucasian female with a histo- to penicillin and tetracycline but susceptible to and soft tissue infection in dogs,[2,3,4,5,6] but has only ry of severe osteoarthritis developed fever, pain, oxacillin, erythromycin, clindamycin, chloram
Summary
Surgical wound NR, M Purulent drainage 5wks s/p sinus Y NR, not reported; PCN, penicillin; MET, methicillin; CLI, clindamycin; SAM, ampicillin sulbactam; AMC, amoxicillin clavulanate; TET, tetracycline; FUS, fusidic acid; ERY, erythromycin; FLU, flucloxacillin; GEN, gentamicin; COL, colistin; OXA, oxacillin; CFZ, cefazolin; CTX, cefotaxime; OFX, ofloxacin; LVX, levofloxacin; DOX, doxycycline; SXT, trimethroprim-sulfamethoxazole; VAN, vancomycin; MIN, minocycline; CIP, ciprofloxacin; NIT, nitrofurantoin; DOX, doxycycline; AMK, amikacin; KAN, kanamycin; LCM, lincomycin; PRI, pristinamycin; PEF, pefloxacin; FOF, fosfomycin; TEC, teicoplanin; CHL, chloramphenicol; RIF, rifampin; LZD, linezolid; CEF, cefalotin; ENR, enrofloxacin; MUP, mupirocin; STR, streptomycin; QDA, quinupristin/daltopristin; MVA, motor vehicle accident; HIV, human immunodeficiency virus; POD, postoperative day; CABG, coronary artery bypass graft; s/p, status post; NIDDM, non-insulin dependent diabetes mellitus; HCV, Hepatitis C virus; MDS, myelodysplastic syndrome; CoNS, coagulase negative Staphylococcus; MRSA, methicillin resistant Staphylococcus aureus; NSC, non small cell. Similar studies on S. pseudintermedius have detected the methicillin-resistant strain of the organism
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