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The Effect of Lidocaine Patch for Postoperative Pain

Phase 4
Completed
Conditions
Acute Pain
Interventions
Registration Number
NCT04754451
Lead Sponsor
BON WOOK KOO
Brief Summary

The lidocaine patch is currently only permitted for post herpetic neuralgia but the investigators want to study its effectiveness in post operative pain after inguinal herniorrhaphy

Detailed Description

After open unilateral inguinal herniorrhaphy, patients are randomly divided into group L and group P groups. Group L attaches two lidocaine patches for 12 hours, above and below the incision site. Group P attaches two placebo patches for 12 hours, above and below the incision site. Pain scores are recorded for 30 minutes, 2 hours, 24 hours, and 1 week after surgery.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
32
Inclusion Criteria
  • American Society of Anesthesiologists physical status I - II
  • Scheduled open unilateral herniorrhaphy
Exclusion Criteria
  • body mass index (BMI) < 18.5 or ≥ 35 kg/m2
  • severe renal or hepatic dysfunction
  • allergy to amide-based local anesthetic agents
  • taking class 1 antiarrhythmic drugs (tocainide and mexiletine, etc.)

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Group L(lidocaine patch)Group LAttach two lidocaine patches for 12 hours, above and below the incision site.
Primary Outcome Measures
NameTimeMethod
The pain score24 hours after the anesthesia finished.

VAS(visual analog scale) measurement for 24 hours after surgery(0-10) 0: no pain 10: severe pain

Secondary Outcome Measures
NameTimeMethod
The pain score2 hours after the anesthesia finished.

VAS(visual analog scale) measurement for 24 hours after surgery(0-10) 0: no pain 10: severe pain

Total amount of cumulative analgesics24 hours after the anesthesia finished.

total amount of analgesics are measured for 24 hours after surgery.

Trial Locations

Locations (1)

Seoul National Universuty, Bundang Hospital

đŸ‡°đŸ‡·

Seongnam-si, Gyonggido, Korea, Republic of

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