Effective Management of Methicillin-Resistant Shoulder Septic Arthritis Using Continuous Local Antibiotic Perfusion: A Case Study and Long-Term Follow-Up.

Objective: Rare disease Background: Septic arthritis of the shoulder is a rare and challenging condition to treat. Typically, arthroscopic debridement is the common approach. Specifically, septic arthritis of the shoulder caused by methicillin-resistant bacteria is extremely difficult to cure due to persistent infection and limited antibiotic options. However, recent studies have demonstrated that continuous local antibiotic perfusion (CLAP) can provide favorable results for bone and soft tissue infections. By administering the antibiotics required to suppress the biofilm, CLAP can effectively treat the infection while sparing the tissue. Case Report: A 46-year-old woman undergoing long-term hemodialysis treatment for congenital anomalies of the kidney and urinary tract experienced severe pain in the left shoulder joint during glucocorticoid treatment for amyloid arthritis of the right shoulder. Despite the absence of fever, significant swelling and fluid accumulation were observed in the left shoulder joint, leading to the performance of a puncture. A bacterial examination of the puncture fluid detected methicillin-resistant coagulase-negative Staphylococcus epidermidis (MRCNS). In this report, we present a case in which CLAP was administered for septic arthritis of the shoulder caused by methicillin-resistant bacteria. After irrigation debridement, the patient received intravenous antibiotics and CLAP. Following the initiation of treatment, the dosage of antibiotics was adjusted while performing therapeutic drug monitoring. An early improvement in the inflammatory response and sedation of the infection was observed, with no relapse after 2 years. Conclusions: Septic arthritis can lead to serious functional impairment if left untreated. CLAP is a promising option for managing septic arthritis of the shoulder. [ABSTRACT FROM AUTHOR]

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