Injection pain during local anesthesia in patients undergoing buried-suture double eyelid blepharoplasty
Conditions
Interventions
Intervention arm (sodium bicarbonate-added side): Local anesthetic prepared by mixing 1% lidocaine with epinephrine and 7% sodium bicarbonate (Meylon) at a 9:1 ratio is administered to one eyelid as l
Sponsors
okyo Chuo Beauty Clinic (TCB), BS Clinic, Umeda Osaka Ekimae Branch
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) Patients who request buried-suture double eyelid blepharoplasty including revision cases. (2) Patients who are 20 years of age or older at the time of consent. (3) Patients who have provided written informed consent to participate in this study.
Exclusion criteria
Exclusion criteria: (1) Minors under 20 years of age. (2) Patients with a history of allergy to lidocaine (Xylocaine) or sodium bicarbonate (Meylon). (3) Patients who are pregnant or possibly pregnant. (4) Patients taking oral corticosteroids at a dose of 10 mg/day or higher. (5) Patients with serious comorbidities (e.g., cardiac, hepatic, or renal disease). (6) Patients with active malignancy. (7) Other patients judged by the principal investigator to be unsuitable for participation in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The within patient difference in injection pain during local anesthesia, measured by the Numerical Rating Scale, between the sodium bicarbonate added side and the non added side. Pain is assessed by patient self-report immediately after the procedure for each eyelid separately. | — |
Countries
Japan
Contacts
Public ContactShoichiro Nakajo
Tokyo Chuo Beauty Clinic (TCB), Kyoto Shijo Branch Director
Outcome results
None listed