None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who are 1) scheduled transurethral resection of bladder tumor under general anesthesia 2) aged 20 to 79 years 3) American Society of Anesthesiologists (ASA) Physical Status I or III 4) voluntary participation in this clinical study
Exclusion criteria
Exclusion criteria: 1) Change in surgical plans (e.g. conversion to open surgery) 2) Medical history or condition of overactive bladder, neurogenic bladder, or bladder outflow obstruction 3) Gout 4) Renal or ureter stone 5) Hemochromatosis 6) Daily intake of vitamin C 7) Patient refusal
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of CRBD above a moderate grade | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of CRBD above a moderate grade;Numeric rating scale;Patient satisfaction;Postoperative opioid requirement;Vitamin C-related adverse effects | — |
Countries
Korea, Republic of
Contacts
Asan Medical Center