Sugammadex - Nacl 9/00:

Patients will first receive sugammadex: 4 mg/kg when post tetanic count shows at least 1 or 2 responses; 2 mg/kg when Train of four shows at least 2 responses.

In case of complete reversal of myorelaxation, total intravenous anesthesia is stopped and patients are allowed to awake.

In the adverse case, patients wil receive Nacl 9/00 5 minutes after the first bolus of sugammadex.

The study is finished 5 minutes after this second injection and care is let to the choice of the anesthesiologist in charge.

Nacl 9/00 - Sugammadex :

Patients wil first receive Nacl 9/00. In case of complete reversal of myorelaxation, total intravenous anesthesia is stopped and patients are allowed to awake.

In the adverse case, patients wil receive sugammadex 5 minutes after the first bolus of Nacl 9/00.

Sugammadex is given as: 4 mg/kg when post tetanic count shows at least 1 or 2 responses; 2 mg/kg when Train of four shows at least 2 responses.

The study is finished 5 minutes after the injection of sugammadex and care is let to the choice of the anesthesiologist in charge.

• Sugammadex: 4 mg/kg when post tetanic count shows at least 1 or 2 responses; 2 mg/kg when Train of four shows at least 2 responses.
• Nacl 9/00: same volume as Sugammadex