Abstract
Septic arthritis, also known as infectious arthritis, is inflammation of the joints due to a wide range of pathogens, such as bacterial, fungal, mycobacterial, viral, or/and other pathogens; however, some opportunistic pathogens tend to affect immunocompromised patients and rarely infect immunocompetent patients. For example, Sphingomonas paucimobilis is an opportunistic pathogen with a particular tropism toward bones and soft tissues that rarely causes infections in immunocompetent humans. We present a case of Sphingomonas paucimobilis causing septic arthritis in a 34-year-old man who is medically free and with no history of previous surgeries or any other comorbidities. He was treated successfully by both pharmacological treatment and surgical intervention. To our knowledge, there are only four cases published in the literature involving Sphingomonas paucimobilis as a causative organism of septic arthritis affecting immunocompetent patients.
Highlights
Septic arthritis is an inflammation of the joint due to a wide range of pathogens and characteristically results in significant rates of morbidity and mortality [1]
A study conducted in Riyadh, Saudi Arabia, found staphylococcal and streptococcal species caused more than 75% of septic arthritis cases [3]
There are only four cases published in the literature involving Sphingomonas paucimobilis as a causative organism of septic arthritis affecting immunocompetent patients
Summary
Septic arthritis is an inflammation of the joint due to a wide range of pathogens and characteristically results in significant rates of morbidity and mortality [1]. Upon the first outpatient clinic visit, which was after two weeks, the blood investigations were as follows: white blood cells, 4.3×109/L; hemoglobin, 126 g/L; How to cite this article Alageel M K, Alromaih S I, Alzahrani M T, et al (February 13, 2022) Septic Arthritis Caused by Sphingomonas Paucimobilis in Immunocompetent Patient: Case Report and Literature Review. The patient underwent arthroscopic irrigation and debridement of the right knee, and the pathology result revealed the presence of acute inflammatory cells and fibrin which is consistent with septic arthritis After the procedure, he was on a small Jackson-Pratt drain (Cardinal Health, Ohio, USA), which drained less than 100 cc of hemoserous fluid for the three postoperative days. After four weeks of antibiotics course, he was seen in the clinic doing fine and had a full recovery
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