BACKGROUND: Recenti studi hanno messo in discussione il ruolo del sistema unidirezionale di ventilazione del flusso d'aria nel ridurre l'infezione del sito chirurgico (SSI) nella chirurgia implantare protesica.
Postoperative infections are a concern, especially in total knee and total hip arthroplasty.
We evaluated the air quality in orthopaedic operating theatres in southeastern Italy to determine the
level of bacterial contamination as a risk factor for postoperative infection. Thirty-five hospitals with
operating theatres focused on total knee and total hip arthroplasty participated. We sampled the air
passively and actively before surgeries began for the day (at rest) and 15 min after the surgical incision
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