postoperative urinary retention
Conditions
Interventions
Experimental group:Ropivacaine was heated to 37°C for 15 minutes in a constant-temperature water bath, and 0.5% warmed ropivacaine (12–13 mg) was administered intrathecally for subarachnoid anesthesia
Control Group:Ropivacaine was kept at room temperature (22°C–24°C), and 0.5% room-temperature ropivacaine (12–13 mg) was administered intrathecally.
Sponsors
Affiliated Hospital of Yan 'an University
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. Age between 18 and 75 years old; 2. ASA I~III grade; 3. BMI between 18.5 kg/m^2 and 23.9 kg/m^2; 4. Knee arthroscopy under subarachnoid anesthesia; 5. Patient informed consent.
Exclusion criteria
Exclusion criteria: 1. Severe diseases of the respiratory, cardiovascular, cerebrovascular, hepatic, or renal systems; 2. Contraindications to spinal canal anesthesia; 3. Presence of urinary tract infection before surgery; 4. History of urinary tract surgery or benign prostatic hyperplasia; 5. Refusal to sign the research informed consent form.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of urinary retention; | — |
Secondary
| Measure | Time frame |
|---|---|
| Proportion of active urination (no reported difficulty urinating, active urination);Proportion of spontaneous urination after intervention (induced by applying hot compress to the bladder area, rinsing the external genitalia with warm water, listening to the sound of flowing water, etc.);Incidence of indwelling catheterization (proportion of indwelling catheterization to total population);Incidence of urethral irritation (postoperative urethral pain and discomfort);Visual Analogue Scale (VAS) Score (at 12, 24, and 48 Hours After Surgery);First Recovery Time of Motor and Sensory Functions;First Functional Exercise Time;First Out-of-Bed Activity Time;Time to Muscle Strength Recovery to Grade 5;First Oral Intake Time;Incidence of nausea and vomiting within 24 hours after surgery;Patient Postoperative Hospital Stay Time;Total Hospital Stay Time;Incidence of Urinary Tract Infection;The highest block level;Whether epidural supplementation is carried out during the operation and the dosage of the supplementary drug.; Onset time of sensory nerve block;Time to First Postoperative Voiding;Interval from ropivacaine subarachnoid injection completion to supine position; | — |
Countries
China
Contacts
Public ContactZhang Erfei
Affiliated Hospital of Yan 'an University
Outcome results
None listed