In conclusion, tramadol 1.5 mg/kg was more effective than tramadol 1 mg/kg in treating CRBD and reducing postoperative pain without significant side effects.
ANOVA: one-way analysis of variance; CRBD: catheter related bladder discomfort; PACU: post-anaesthesia care unit; VAS: visual analog scale
Availability of data and materials
The datasets are not publicly available, but available from the corresponding author on reasonable request.
Ethics approval and consent to participate
Ethical approval was obtained from China Ethics Committee of Registering Clinical Trials (ChiECRCT-20,180,059), address: West China Hospital, Sichuan University, NO. 37, Guo Xue Xiang, Chengdu, Sichuan, China. The trial was registered in the Chinese Clinical Trial Registry (ChiCTR1800016390, date of registration: 2018–5-30) prior to patient enrollment. Written informed consent was abtained from all patients.
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ChiCTR1800016390. Registered on 30 May 2018.
BMC Anesthesiol. 2018;18(194) © 2018 BioMed Central, Ltd.