Open Access
Editorial

Table 1

Dosing of magnesium sulfate in orthopaedic surgery.

Type of surgery Dose (bolus, mg/kg, over 15 min) Time before general anesthesia induction (minutes) Time after spinal anesthesia induction (minutes) Infusion rate (mg/kg/h, until end of surgery)
Upper extremity 30 15 Not applicable 10
Lumbar discectomy 50 10 Not applicable 10
Total knee arthroplasty* 50 Not applicable <5 15
Hip arthroplasty* 50 Not applicable <5 15

*Assumption that spinal anesthetic will be administered.

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