Key points are not available for this paper at this time.
The duration of postoperative pain relief was assessed in 23 general surgical or orthopedic patients administered 20 mg methadone as an iv bolus following induction of anesthesia. Nine patients (39%) were pain-free and required no additional analgesia for the control of their postoperative pain (Gro
Gourlay et al. (Wed,) studied this question.