Hypospadias
Conditions
Interventions
0.1% concentration of ropivacaine group:Dorsal penile nerve block is performed under ultrasound guidance using 0.1% concentration of ropivacaine
0.15% concentration of ropivacaine group:Dorsal penile nerve block is performed under ultrasound guidance using 0.15% concentration of ropivacaine
0.2% concentration of ropivacaine group:Dorsal penile nerve block is performed under ultrasound guidance using 0.2% concentration of ropivacaine
Sponsors
Shengjing Hospital of China Medical University
Eligibility
Sex/Gender
Male
Age
No minimum to 12 Years
Inclusion criteria
Inclusion criteria: (1) Age 0~12 years old; (2) Children undergoing elective urethral surgery; (3) American Society of Anesthesiology (ASA) grade I-II; (4) Children who are scheduled to undergo elective surgery and use tracheal intubation (ordinary cuffed catheter) or laryngeal mask as the main anesthetic airway management method; (5) Informed consent of the guardian and signing of the informed consent form.
Exclusion criteria
Exclusion criteria: (1)Younger than 3 months or older than 12 years old; (2)Mallampati Airway Grading >Class II; (3)Infection or redness and swelling at the injection site; (4)Respiratory malformations, foreseeable difficulties in the airway; (5)Neurological deficits, bleeding disorders; (6)Patients with a recent history of upper respiratory tract infection; (7)History of local anesthetic allergy; (8)Obesity (BMI=30kg/m2) or malnutrition(BMI=18.5kg/m2).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| FLACC pain score;VAS-P anxiety score in preoperative families;Postoperative family gas-pop anxiety score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Additional analgesic medication timing and dosage are required;Duration of surgery;Postoperative analgesic pump use;Anesthesia-inducing drug dose;heart rate;Blood pressure;Oxygen saturation; | — |
Countries
China
Contacts
Public ContactHan Guang
Shengjing Hospital of China Medical University
Outcome results
None listed