Androstanols; Anesthesia, General/methods; Lidocaine/administration & dosage; Pain; Propanolamines/administration & dosage; Adrenergic beta-1 Receptor Antagonists/administration & dosage; Adult; Androstanols/administration & dosage; Androstanols/adverse effects; Anesthetics, Intravenous/administration & dosage; Double-Blind Method; Drug Monitoring; Female; Humans; Injections, Intravenous; Male; Middle Aged; Neuromuscular Nondepolarizing Agents/administration & dosage; Neuromuscular Nondepolarizing Agents/adverse effects; Pain/chemically induced; Pain/prevention & control; Pain Measurement/methods; Propofol/administration & dosage; Rocuronium; Substance Withdrawal Syndrome/prevention & control; Surgical Procedures, Operative/methods; Treatment Outcome