Retrospective evaluation of piperacillin-tazobactam, imipenem-cilastatin and meropenem used on surgical floors at a tertiary care hospital in Saudi Arabia

The use of broad-spectrum antibiotics in surgical floors at a tertiary care hospital in Saudi Arabia was largely unjustified by culture-test result. Interventions are needed to enforce culture and sensitivity test requests within 24 h of starting the broad spectrum antibiotics therapy with further follow up to ensure appropriate de-escalation and discontinuation whenever indicated.