• Tobias Malte Ballhause, Matthias Krause, Julien Roß, Johannes Maria Rueger, Karl-Heinz Frosch, and Till Orla Klatte.
• Department of Trauma, Hand and Reconstructive Surgery, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany. t.ballhause@uke.de.
• Eur J Trauma Emerg Surg. 2021 Apr 1; 47 (2): 581-587.

IntroductionTibial plateau fractures are common fractures in adults and can be extremely challenging for surgeons. State-of-the-art therapy is open reduction and internal fixation (ORIF), although major complications of ORIF are surgical site infections (SSIs). This is especially critical on the proximal tibia, which is only sparsely covered by soft tissue and has a close relation to the knee joint. We analyzed SSIs after ORIF to correlate established laboratory parameters to the occurrence of SSIs.MethodsA monocentric case-control study in a Level 1 Trauma Center was conducted. Data were acquired from electronic medical records from 2011 until 2016. White blood cell count (WBC) and C-reactive protein (CRP) were used as laboratory parameters and statistically analyzed.ResultsIn total, 97 patients were included, with four patients suffering from SSIs. Patients with SSIs had a significantly increased WBC count and CRP levels on the third postoperative day. Infection was diagnosed after rehospitalization, 12 ± 4 weeks after initial surgery. Furthermore, a large bony destruction through trauma coincides with a rise of WBC count with no influence on CRP level.ConclusionWe highly recommend a laboratory analysis with WBC count and CRP on the third day after ORIF. Patients with a CRP level above 100 mg/l should be closely watched, even if laboratory parameters few days later are adequate-since a one-time increase above this landmark might be a hint regarding the development of a SSI.

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