AIM:To investigate the extubation time of indwelling epidural catheter in canalicular anastomosis.

METHODS: Sixty-two patients(62 eyes)with traumatic lacerations of lacrimal canaliculi underwent canalicular anastomosis were divided into groups A, B, C according to the random number table. All patients received epidural anesthesia catheter canalicular anastomosis, the lacrimal extubation time in group A, B, C were 1 month, 2, 3 months after surgery. The outcomes and surgical complications of patients were compared.

RESULTS: After surgery, there were no significant differences between the therapeutic effect of three groups(P>0.05). Compared with groups A and B, the proportion of tears point valgus and canalicular inflammation in group C were much significantly higher(P<0.05).

CONCLUSION: One month is the best extubation time for indwelling epidural catheter in canalicular anastomosis. It can not only ensure the therapeutic effect, reduce complications, but also shorten the inconvenience time caused by indwelling catheters.