Lidocaine VS Hemodynamic, Metabolic and Hormonal Response

  • STATUS
    Recruiting
  • End date
    Mar 8, 2024
  • participants needed
    132
  • sponsor
    Medical University of Warsaw
Updated on 10 April 2022
opioid
local anesthetic
appendectomy

Summary

Intravenous lidocaine - a potent local anesthetic with analgesic and anti- inflammatory properties has been shown to be an effective adjunct that reduces intra and postoperative opioid consumption and facilitates pain management in adults. In children population promising but limited evidence is available. The study has been planned to evaluate the efficacy of continuous intravenous infusion of lidocaine in alleviation of hemodynamic reaction to tracheal intubation, as well as metabolic and hormonal response to laparoscopic procedure in children.

Description

Laryngoscopy and endotracheal intubation are associated with noxious stimulation. Exacerbated circulatory system response may present as hypertension or arrhythmias including cardiac arrest. A sudden change in hemodynamic status connected with painful stimulation may precipitate deterioration in cerebral blood flow, especially in patients with intracranial hypertension (traumatic brain injury, intracranial hemorrhage, active hydrocephalus, etc). Many interventions have been applied to attenuate harmful hemodynamic reaction. One of them is intravenous lidocaine infusion. According to available data lidocaine is superior to placebo in attenuating systolic, diastolic and mean arterial pressure changes in children. Our study will focus on assessing hemodynamic stability preserving properties during induction of anesthesia and tracheal intubation. Blood pressure will be recorded and analyzed. The secondary aim is to examine intravenous lidocaine infusion in terms of reducing systemic response to surgical stress. Cortisol and glucose levels will be measured before skin incision, and immediately after the end of surgery. Side effects and serum lidocaine levels will be recorded to determine safety of the examined intervention. Similar pattern of infusion was investigated in RCT concerning children population - the toxic plasma level of 5 mcg/ml was not reached. Studies on children population have promising results but high quality randomized controlled trials are still missing. The proposed study has been planned to evaluate the efficacy of continuous infusion of lidocaine as an adjunct to standard general anesthesia (involving intravenous induction and opioid with sevoflurane maintenance) in attenuating hemodynamic reaction to tracheal intubation, as well as metabolic and hormonal response to surgical procedure in children undergoing laparoscopic appendectomy.

Details
Condition Hemodynamic Response, Acute Appendicitis, Complication of Treatment, Opioid Consumption, Pneumoperitoneum
Treatment Normal saline infusion, Intravenous Lidocaine
Clinical Study IdentifierNCT05238506
SponsorMedical University of Warsaw
Last Modified on10 April 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

ASA physical status class 1E, 2E, 3E
Patients undergoing laparoscopic appendectomy

Exclusion Criteria

Allergy to local anesthetics or contraindications for the use of lidocaine
ASA physical status class 4E or higher
Severe cardiovascular disease
Preoperative bradycardia
Preoperative atrioventricular block
Renal failure
Chronic treatment with analgesics
Legal guardians' refusal
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