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Erschienen in:
28.05.2015 | Knee
Treatment of septic arthritis of the knee: a comparison between arthroscopy and arthrotomy
Erschienen in: Knee Surgery, Sports Traumatology, Arthroscopy | Ausgabe 10/2016
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Purpose
The aim of this study was to compare the efficacy of arthroscopy and arthrotomy in patients with septic monarthritis of the knee.
Methods
Seventy consecutive patients who underwent surgery because of a bacterial monarthritis were evaluated. Patients were either treated with arthroscopy or with arthrotomy. Our primary outcome was the early recurrence of infection (>3 months after surgery), which made a second surgical procedure necessary. Furthermore, the influence of potential confounders on treatment outcome was analysed.
Results
Of the 70 patients, 41 were treated arthroscopically and 29 with arthrotomy. Eight patients (11.4 %) had to undergo a second surgical procedure because of early re-infection. The rate was significantly higher in patients treated with arthrotomy (n = 6; 20.7 %) compared with those treated by arthroscopy (n = 2) (p = 0.041). Range of motion was significantly better in patients who underwent arthroscopy (p < 0.001). Male sex had negative influence on the treatment success (p = 0.03).
Conclusions
Patients with bacterial monarthritis of the knee who were treated with arthroscopy had a significantly lower re-infection rate and a better functional outcome than those treated with arthrotomy. As arthroscopy is the less invasive method, it should be considered the routine treatment, according to our data.
Level of evidence
Therapeutic study, Level III.