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Oral Versus Intravenous Magnesium on Emergence Delirium

1 juli 2026 uppdaterad av: Osama Rehab, Tanta University

Effect of Oral Versus Intravenous Magnesium on Emergence Delirium in Children Undergoing Adenotonsillectomy: A Two-Center, Randomized, Double-Blind, Placebo-Controlled Study

This prospective randomized controlled study will be conducted to compare the effects of preoperative oral magnesium and intraoperative IV magnesium on the incidence and severity of emergence delirium in children undergoing adenotonsillectomy using sevoflurane anesthesia.

Studieöversikt

Detaljerad beskrivning

Magnesium is a non-anesthetic N-methyl-D-aspartate receptor antagonist, which is as an anesthetic- and analgesic-sparing medication, with controversial clinical effectiveness.

Regarding its use as a preventive measure against emergence delirium in children, only intraoperative IV route was studied and the results of previous reports were inconsistent.

Oral magnesium syrup is a common drug used for enzyme activation, muscle and bone health, with calming effect and central nervous system supporting value.

In this novel study, we will compare the use of magnesium via two different routes, either oral route before surgery or IV route after sevoflurane induction, regarding their preventive value against the occurrence of emergence delirium in children undergoing adenotonsillectomy. Given the fact that preoperative anxiety and parent separation are predictors for emergence delirium, the calming effect, sleep promoting value of oral magnesium that may be obtained before anesthetic induction together with its peri-operative analgesic effects may suggest a prophylactic benefit against emergence delirium. So, we hypothesize that either oral or IV magnesium therapy may decrease the incidence of emergence delirium in this setting.

Studietyp

Interventionell

Inskrivning (Beräknad)

360

Fas

  • Fas 2
  • Fas 3

Kontakter och platser

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Studiekontakt

Studieorter

    • Gharbia Governorate
      • Tanta, Gharbia Governorate, Egypten, 31527
        • Rekrytering
        • Tanta University Hospitals
        • Kontakt:

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

  • Barn

Tar emot friska volontärer

Nej

Beskrivning

Inclusion Criteria:

  • Children aged 4 to 7 years
  • American Society of Anesthesiologist (ASA) Status I or II
  • Planned for an adenotonsillectomy procedure under sevoflurane general anesthesia.

Exclusion Criteria:

  • Parents declined to participate in the trial
  • Behavioral changes, neurological or psychiatric problems
  • Anticonvulsant or sedative drugs
  • Physical or developmental abnormalities
  • Allergies to magnesium
  • cardiovascular, renal, bone, or gastrointestinal diseases.

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Förebyggande
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Fyrdubbla

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: Oral magnesium group
cases will receive preoperative oral magnesium dose of 150 mg at two hours before surgery.
cases will receive preoperative oral magnesium dose of 150 mg (10 ml of Magnesium Glycinate Liquid Trace syrup) at two hours before surgery, and will receive intraoperative IV (10 ml) of saline 0.9% over 10 minutes (1ml/min) after induction of anesthesia and before the start of surgical procedure.
Experimentell: Intravenous magnesium group
cases will receive intraoperative IV magnesium sulfate dose of 30 mg/kg (diluted in saline to a total volume of 10 ml) over 10 minutes (1ml/min) after induction of anesthesia and before the start of surgical procedure.
cases will receive oral lemon juice (10 ml) at two hours before surgery, and will receive intraoperative IV magnesium sulfate dose of 30 mg/kg (diluted in saline to a total volume of 10 ml) over 10 minutes (1ml/min) after induction of anesthesia and before the start of surgical procedure.
Placebo-jämförare: Control group
cases will receive oral lemon juice (10 ml) at two hours before surgery and will receive intraoperative IV (10 ml) of saline 0.9% over 10 minutes (1ml/min) after induction of anesthesia and before the start of surgical procedure.
cases will receive oral lemon juice (10 ml) at two hours before surgery and will receive intraoperative IV (10 ml) of saline 0.9% over 10 minutes (1ml/min) after induction of anesthesia and before the start of surgical procedure.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Incidence of emergence delirium
Tidsram: Up to 1 hour after surgery.
Pediatric Anesthesia Emergence Delirium scale will be used and a score >12 together with a Delirium-specific score ≥ 9 will be considered a diagnostic endpoint for the development of delirium. it will be assessed on arrival to the post-anesthesia care unit and every 15 min thereafter for 1 hour
Up to 1 hour after surgery.

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Severity of emergence delirium
Tidsram: Up to 1 hour after surgery.
Pediatric Anesthesia Emergence Delirium scale scores will be recorded
Up to 1 hour after surgery.
Postoperative pain
Tidsram: Up to 1 hour after surgery.
the Face, Legs, Activity, Cry and Consolability (FLACC) scale will assess the pain degree at post-anesthesia care unit arrival and every 0.25 hour for 1 hour after surgery. A FLACC score of at least 4 will be treated with 0.5mcg/kg of IV fentanyl
Up to 1 hour after surgery.
Parental separation anxiety
Tidsram: Perioperative
It will be assessed at the time of taking the child to the operating theater by the attending anesthesiologist using the Parent Separation Anxiety Scale. It ranges from one to four where one refers to easy separation; two equals whimpers; three denotes that the child cries and cannot be easily reassured, but not clinging to parents; and 4 signifies crying and clinging to parents. A score of 1 or 2 was considered as 'acceptable' separation
Perioperative
Mask acceptance
Tidsram: Perioperative
The ease of mask acceptance will be graded using the Mask Acceptance Score at the time of induction of general anesthesia with sevoflurane. It is a 4-point scale: 1 = excellent (unafraid, accepts mask readily); 2 = good (slight fear of mask, easily reassured); 3 = fair (moderate fear of mask, not calmed with reassurance); and 4 = poor (terrified, combative and crying). A score of 1 or 2 was considered 'satisfactory' mask acceptance.
Perioperative
The total dose of rescue propofol
Tidsram: Up to 1 hour after surgery.
Parental contact will be initiated as the first line management of delirium. If the PAED score remains at least 13 with a Delirium-specific score at least 9 despite parental contact, 1 mg/kg IV propofol will be administered. This dose will be repeated after 15 min if the child still agitated. The total dose of rescue propofol will be recorded.
Up to 1 hour after surgery.
The total dose of rescue fentanyl
Tidsram: Up to 1 hour after surgery.
A FLACC score of at least 4 will be treated with 0.5mcg/kg of IV fentanyl. This dose will be repeated after 15 min if the child still in pain. The total dose of rescue fentanyl will be recorded
Up to 1 hour after surgery.
Extubation time
Tidsram: End of surgery.
At the end of surgery, the trachea will be extubated with the patient in the lateral position after confirmation that the gag reflex returned
End of surgery.
Negative behavior changes
Tidsram: 24 hours after surgery.
Post Hospitalization Behavior Questionnaire will be used to evaluate the child's baseline behavior before anesthesia and any negative behavioral changes at 24 hours postoperatively. Significant negative behavioral changes will be defined as ≥ 7 negative changes on the Post Hospitalization Behavior Questionnaire items in comparison with the pre-anesthesia baseline values.
24 hours after surgery.
Side effects
Tidsram: Up to 1 hour after surgery.
Postoperative nausea and vomiting , hypotension, bradycardia will be recorded
Up to 1 hour after surgery.

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Studieavstämningsdatum

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Studera stora datum

Studiestart (Faktisk)

1 juli 2026

Primärt slutförande (Beräknad)

24 december 2026

Avslutad studie (Beräknad)

25 december 2026

Studieregistreringsdatum

Först inskickad

13 juni 2026

Först inskickad som uppfyllde QC-kriterierna

13 juni 2026

Första postat (Faktisk)

18 juni 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

6 juli 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

1 juli 2026

Senast verifierad

1 juli 2026

Mer information

Termer relaterade till denna studie

Plan för individuella deltagardata (IPD)

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IPD-planbeskrivning

The data will be available upon a reasonable request from the corresponding author.

Tidsram för IPD-delning

The data will be available upon a reasonable request from the corresponding author after the end of study for one year.

Kriterier för IPD Sharing Access

The data will be available upon a reasonable request from the corresponding author.

IPD-delning som stöder informationstyp

  • STUDY_PROTOCOL
  • SAV

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