Results of treatment of septic knee arthritis: a retrospective series of 40 cases.
ABSTRACT We studied a consecutive series of 40 patients presenting a septic knee arthritis, with a mean age of 49 +/- 20 (range 19-81) years. The aetiologies were: 18 postoperative arthritis, 12 haematogenous infections, 7 arthritis following aspiration or infiltration, and 3 articular wounds. The most common organisms were Staphylococcus aureus and epidermidis (23 cases). Surgical procedures consisted in 20 arthroscopic debridements, 6 open debridements, 14 synovectomies. According to Gächter's classification, there were 8 stage I, 18 stage II, 11 stage III and 3 stage IV cases. Fifteen patients had to be reoperated after the index procedure at our institution: one open debridement, six open synovectomies, one open arthrolysis, one arthrodesis and six total knee arthroplasties (TKA). Final examination was performed after 22 +/- 26 (range 12-96) months. All cases were considered free of infection. Good functional result was present by 19/33 cases (excluding arthrodesis and TKA). The delay between the onset of symptoms and surgery was the major prognostic factor of success (P=0.023). This delay was correlated with Gächter's staging of the intra-articular lesions. The diagnosis of septic knee arthritis must be suspected at the early stage of the disease, and diagnostic joint aspiration must be immediately performed when the diagnosis is suspected. We suggest that the treatment should be more aggressive than generally advocated. Needle aspiration should be only performed at the very early stages. Arthroscopic debridement should be the routine treatment. Synovectomy should be considered even as a primary procedure when significant synovial hypertrophy is present (Gächter stage III and IV) or when a more conservative treatment did not lead to a fast improvement.
Article: The relation between the arthroscopic findings and functional outcomes in patients with septic arthritis of the knee joint, treated with arthroscopic debridement and irrigation.[show abstract] [hide abstract]
ABSTRACT: The aim of this study was to evaluate the relation between arthroscopic findings and functional outcomes in patients with septic arthritis of the knee joint, treated with arthroscopic debridement and irrigation. Twenty patients (17 male, 3 female; mean age: 31 years [5-63 years]) with knee septic arthritis treated with arthroscopic debridement and irrigation in our clinic between 2004-2007 were included in the study. The decision for arthroscopic debridement was made based on the clinical findings, erythrocyte sedimentation rate, C-reactive protein level and the aspiration of the affected knee. During the arthroscopic debridement, the joint was staged according to Gachter criteria. Continuous irrigation system was set up for all cases following surgery. After the surgery, the Bussiere functional scale was used for clinical evaluation. The mean follow-up periodwas 29±11months (range 13-54 months). The McNemar test was used in comparing the results. The Spearman correlation coefficient was used in the correlation analysis. The level of significance was set at 0.05. The culture was positive in 3 cases, and negative in 8 cases who exhibited gram (+) cocci in gram stains. In nine cases, cultures were negative and no microorganisms were detected in gram stains. According to the arthroscopic Gachter classification, 4 cases (20%) were Stage 1, 10 cases (50%) were Stage 2, 5 cases (25%) Stage 3 and 1 case (5%) was Stage 4. There was a statistically significant difference between the mean functional score of the knees with differing Gachter stages (McNemar test, p=0.003). There was a statistically significant and strong correlation between Gachter score and functional results (correlation coefficient: 0.780; p<0.001). Advanced arthroscopic findings are associated with poor functional results in patients with septic arthritis of the knee joint. In addition, the time between the initial symptoms and the surgery directly affects the functional results.acta orthopaedica et traumatologica turcica 45(2):94-9. · 0.34 Impact Factor
Article: Septic arthritis of the knee: presentation of a novel irrigation-suction system tested in a cadaver study.[show abstract] [hide abstract]
ABSTRACT: The established treatment for bacterial arthritis of the knee joint is arthroscopic surgery with irrigation and debridement. The aim of this article is to summarize the relevant data in treating bacterial arthritis of the knee joint, and based on these findings to present a novel irrigation suction system, tested in a cadaver study, as an additional tool in the postoperative treatment phase of arthroscopic surgery for knee joint infections. The novel automated irrigation-suction system presented here was compared to conventional continuous suction irrigation in a total of six knee joints. All knee joints were filled with 80 ml methylene blue stain and rinsed by two different methods. Fluid specimens were taken after ten and twenty minutes to be compared by photometric extinction measurement at a wave length of 500 nm. After ten minutes, the average extinction was e(1C) = 0.8 for the continuous suction irrigation and e(1N) = 0.4 for the novel irrigation-suction system. After twenty minutes, we recorded an average extinction of e(2C) = 0.3 for continuous suction irrigation and e(2N) = 0.001 for the novel irrigation-suction system. The students t-test revealed superior results after ten and twenty minutes of washing out the knee joints with a p < 0.001 for the novel irrigation-suction system. A novel irrigation-suction system may be an effective tool for postoperative knee joint irrigation in arthroscopic therapy for bacterial arthritis of the knee. Further animal studies are needed to verify the effects in vivo.BMC Musculoskeletal Disorders 08/2011; 12:180. · 1.58 Impact Factor
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ABSTRACT: ABSTRACT: There is no report of athroscopic treatment for septic arthritis of the ankle in infants. We report a case of successful management of septic arthritis of the ankle in a three-month-old boy by arthroscopic washout. Arthroscopic washout may be a useful treatment for septic arthritis in young infants when performed early after onset.Sports Medicine Arthroscopy Rehabilitation Therapy & Technology 10/2011; 3(1):21.