• Ç Özcan, S Çamur, K M I Shatat, B Kemah, M S Söylemez, and N Sağlam.
• Umraniye Training and Research Hospital, Department of Orthopaedics and Traumatology, Umraniye/Istanbul, Turkey.
• Acta Chir Orthop Traumatol Cech. 2021 Jan 1; 88 (2): 131-136.

AbstractPURPOSE OF THE STUDY The aim of this study was to investigate the culture results of children undergoing debridement for suspected septic arthritis or acute osteomyelitis and to compare the laboratory parameters and clinical characteristics of culture-positive and culture-negative patients. MATERIAL AND METHODS Patients who underwent surgery in our hospital for septic arthritis and acute osteomyelitis between 2011 and 2019 were retrospectively analyzed. Seventy-two of 96 patients were included in the study. The patients had documented joint swelling, redness, pain with joint movement and weight-bearing failure. Fever was assessed preoperatively. Sedimentation rate, C-reactive protein level, white blood cell count and the leukocyte count in aspiration material as well as complications were evaluated preoperatively and 3 months postoperatively. RESULTS Twenty patients underwent surgery of the hip; 39 of the knee; 7 of the foot, ankle and distal tibia; 1 of the elbow; and 1 of the distal radius. Additionally, 4 patients had septic arthritis and acute osteomyelitis of the femur. The mean age of the patients was 7.8 years (1-16). The mean follow-up period was 16.2 months (3-42). Preoperative aspiration was performed in 44 of 72 patients. Thirty of 72 patients had positive cultures. No statistically significant difference in age, preoperative duration, C-reactive protein, sedimentation, white blood cell count, preoperative fever or complications was found when compared between patients with culture growth and those without reproduction (p > 0.05). There was a significant difference between the leukocyte count in the aspiration material (p < 0.05). CONCLUSIONS Prediagnosis of septic arthritis or acute osteomyelitis in pediatric patients is important in terms of future joint health and sepsis. According to our findings an inability to obtain bacteria does not exclude septic arthritis as a diagnosis. Empirical antibiotic therapy with a wide postoperative spectrum is important for joint health in these patients. Preoperative serum parameters cannot predict the agent needed for treatment. Key words: septic arthritis, osteomyelitis, pediatric septic arthritis, pediatric joint infection, pediatric infection.

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