Analysis of Risk Factors for Postoperative Dysuria in Patients Undergoing Thoracotomy under General Anaesthesia

Thoracotomy under general anaesthesia is one of the most difficult surgeries and is prone to result in postoperative complications. This study explored risk factors for postoperative dysuria in patients undergoing thoracotomy under general anaesthesia to provide a reference for the formulation and selection of subsequent clinical management programs.

Patients undergoing thoracotomy under general anaesthesia (n = 179) admitted to our hospital from June 2019 to June 2021 were selected. They were divided into dysuria group (n = 79) and normal urination group (n = 100) according to whether they had dysuria after surgery. Logistic regression analysis was conducted to explore risk factors affecting postoperative dysuria.

Univariate analysis showed that dysuria was related to gender, age, surgical time, intraoperative and postoperative infusion volume, usage time of analgesic pump and retention time of urethral catheter (p < 0.001). Logistic regression analysis showed that male, age ≥60 years, surgical time ≥120 min, intraoperative infusion volume >1200 mL, postoperative infusion volume >800 mL, analgesic pump usage time ≥18 h and urethral catheter retention time of ≥72 h were risk factors for postoperative dysuria.

The occurrence of postoperative dysuria in patients undergoing thoracotomy under general anaesthesia is related to gender, age, surgical time, intraoperative infusion volume, postoperative infusion volume, usage time of analgesic pump and retention time of urethral catheter. Clinical attention should be given to this patient group, and targeted intervention measures should be implemented.