Meta-analysis about time of indwelling urinary catheter after and before general anesthesia

Objective In order to know the influence of different time of indwelling urinary catheteron postoperative comfortation of patients with general anesthesia. Methods Six ease-control studies re-lated the influence of different time of indwelling urinary catheter on postoperative eomfortation of patientswith general anesthesia had analyzed by Meta-analysis method. Results According to the results ofMeta-analysis from the 6 documents, the postoperative comfortable level of patients with indwelling urinarycatheter before general anesthesia was better than patients with indwelling urinary catheter after generalanesthesia, OR=0.12(0.05～0.30). Conclusions Indwelling urinary catheter before general anesthesia can prevent postoperative uncomfortation, which is a kind of proper method. Key words: General anesthesia;  Indwelling;  Urinary catheter, Comfortation;  Meta-analysis