Results
82 patients with a total of 235 APEs were treated with IV tobramycin between January 2015 and December 2019. Of these, 31 were excluded due to missing tobramycin serum concentration (n=28), for not being a confirmed APE (n=1) or because treatment was initiated at another hospital than the MUHC (n=2). In all, 51 patients with a total of 202 APEs were included.