Postoperative Pneumonia Following Open Heart Surgery.

Objectives This study aimed to measure the incidence and record the relations between risk factors of postoperative pneumonia (POP) among patients who underwent open heart surgery in a single hospital in Saudi Arabia.  Methods This retrospective cohort study was conducted in June 2019 at King Abdulaziz University hospital in Saudi Arabia. Data including general information, comorbidities, lab investigations, preoperative risk factors, intraoperative considerations, and postoperative elements were collected and analyzed.