About this trial
This prospective randomized placebo-controlled trial aims to evaluate the effect of perioperative intravenous lidocaine on postoperative fatigue in patients undergoing elective laparoscopic TAPP inguinal hernia repair. Participants will be randomly assigned to receive either intravenous lidocaine or an equal-volume 0.9% sodium chloride placebo. The primary outcome is postoperative physical fatigue assessed using the Physical Fatigue subscale of the Multidimensional Fatigue Inventory-20 (MFI-20). Secondary outcomes include postoperative pain, cumulative tramadol consumption, postoperative nausea and vomiting, and the requirement for additional analgesia.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age 18 to 65 years
Scheduled for elective laparoscopic transabdominal preperitoneal (TAPP) inguinal hernia repair
American Society of Anesthesiologists (ASA) physical status I or II
Able to understand and complete the Multidimensional Fatigue Inventory-20 (MFI-20)
Disqualifiers
Known allergy or hypersensitivity to lidocaine or other amide-type local anesthetics
Clinically significant hepatic or renal dysfunction
Clinically significant cardiac rhythm or conduction disorder
Chronic opioid use
Trial design
Parallel
Treatments tested in this trial
Lidocaine
DrugPerioperative intravenous lidocaine infusion will be administered according to the study protocol in patients undergoing elective laparoscopic TAPP inguinal hernia repair.
0.9 % sodium chloride
Drug0.9% sodium chloride will be administered intravenously as placebo in an equal volume and according to the same timing and infusion protocol as the lidocaine intervention.
Treatment groups
Trial outcomes
Primary outcomes
MFI-20 Physical Fatigue Subscale Score
Postoperative physical fatigue will be assessed using the Physical Fatigue subscale of the Multidimensional Fatigue Inventory-20 (MFI-20). The Physical Fatigue subscale consists of four items and ranges from 4 to 20 points, with higher scores indicating greater physical fatigue. A preoperative assessment will be obtained as the baseline value. Postoperative assessments will be performed on postoperative days 1, 3, 5, and 7.
Secondary outcomes
Postoperative Pain Intensity (11-point Numeric Rating Scale)
Postoperative pain intensity will be assessed using an 11-point Numeric Rating Scale (NRS), ranging from 0 (no pain) to 10 (worst imaginable pain), with higher scores indicating greater pain intensity.
Postoperative Nausea and Vomiting Within 24 Hours
Postoperative nausea and vomiting (PONV) will be assessed during the first 24 hours after surgery. The occurrence of nausea and vomiting will be recorded separately, and the occurrence of either nausea or vomiting will be considered PONV.
Cumulative Tramadol Consumption During the First 24 Postoperative Hours
Total tramadol consumption delivered through patient-controlled analgesia (PCA) during the first 24 hours after surgery will be recorded in milligrams. Higher values indicate greater postoperative opioid requirement.
Requirement for Additional Analgesia During the First 24 Postoperative Hours
The requirement for additional analgesia with intravenous paracetamol during the first 24 hours after surgery will be recorded. The number and proportion of participants requiring at least one dose of additional analgesia will be compared between groups.
Sponsors and contacts
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Hakan Emirkadı
Lead sponsor
Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey
Sponsor institution
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