Knowledge, attitude and practice towards postoperative management among patients with type A aortic dissection or their relatives: a cross-sectional study in China

ObjectivesTo assess the knowledge, attitude and practice (KAP) of patients with type A aortic dissection (AD) or their relatives regarding postoperative management.DesignCross-sectional study.SettingThe participants were recruited from three hospitals between October 2022 and February 2023.ParticipantsPatients diagnosed with type A AD or their relatives.InterventionsNo interventions were administered. A structured questionnaire was used to gather the demographic and KAP data from the participants.Primary and secondary outcome measuresThe outcome measures included the levels of KAP regarding postoperative management.ResultsA total of 483 participants were included. They exhibited poor knowledge (15.52±7.67, possible score: 0–32), positive attitude (31.10±5.86, possible score: 9–45) and poor practice (21.96±4.83, possible score: 8–40) towards postoperative management. The multivariable logistic analysis showed that knowledge scores (OR=1.09, 95% CI 1.05 to 1.12, p