Eligibility

Ages Eligible for Study

12 years to 18 years

Genders Eligible for Study

Both

Keywords

pediatrics, Anaesthesia, Scoliosis, and Magnesium

Sponsors

Other

The Hospital for Sick Children

Inclusion Criteria

- American Society of Anesthesiologists (ASA) status I or II

- Adolescent children aged 12 to 18 years undergoing surgery for idiopathic scoliosis

Exclusion Criteria

- Magnesium use within the last two weeks, either intravenous or oral supplements

- Patients with known electrolyte imbalances or conduction disorders. (Sodium 143 mmol/L OR Potassium < 3.7 or > 5.0 mmol/L if 12 to 15 yrs; Potassium 4.8 mmol/L if 16 to 18 yrs)

- Renal, cardiac or neuromuscular disorders.(Urea < 2.9 or > 7.1 mmol/L OR Creatinine
>79 µmol/L if < 13 yrs; Creatinine > 98 µmol/L if >= 14 yrs)

Detailed Description

The primary objective of this study is to determine whether magnesium sulfate has a clinically important effect on the amplitude and latency of somatosensory and motor evoked potentials in patients undergoing surgical correction of idiopathic scoliosis.