• C L Monitto, R S Greenberg, S Kost-Byerly, R Wetzel, C Billett, R M Lebet, and M Yaster.
• Departments of Anesthesiology and Critical Care Medicine and Pediatrics, The Johns Hopkins Hospital, Baltimore, MD 21287, USA. cmonitto@welchlink.welch.jhu.edu
• Anesth. Analg. 2000 Sep 1;91(3):573-9.

UnlabelledOver the past 5 yr, we have treated nonsurgical and postoperative pain in children <6 yr of age by using a patient-controlled analgesia pump to deliver small-dose continuous IV opioid infusions supplemented by parent- and nurse-controlled opioid bolus dosing. We call this technique parent-/nurse-controlled analgesia (PNCA). Because the safety and efficacy of PNCA have not been previously evaluated, we have undertaken a prospective, 1-yr observational study to determine patient demographics, effectiveness of analgesia, and the incidence of complications (pruritus, vomiting, and respiratory depression) in patients receiving PNCA. Data were collected on 212 children (98 female) who were treated on 240 occasions with PNCA for episodes of pain. Patients averaged 2.3 +/- 1.7 yr of age and 11 +/- 5 kg, and received a median of 4 (range 2-54) days of PNCA therapy. Maximum daily pain scores were < or =3/10 (objective pain scale) or < or =2/5 (objective or self-report pain scale) in more than 80% of all occasions of PNCA use. PNCA usage was associated with an 8% incidence of pruritus and a 15% incidence of vomiting on the first day of treatment. Nine children studied received naloxone, four (1.7%) for treatment of PNCA-related apnea or desaturation. All had improvement in their symptoms after naloxone administration.ImplicationsParent-/nurse-controlled analgesia provided effective pain relief in most children <6 yr of age experiencing nonsurgical or postoperative pain. The observed incidence of vomiting and pruritus was similar to that seen in older patients treated with patient-controlled analgesia. However, significant respiratory depression, although uncommon, did occur, thus reinforcing the need for close patient monitoring.

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