The findings support this six-graded faces pain scale as a useful and valid instrument for measuring pain in the postoperative period in children aged 4-12 years.
Postoperative conditions in hospital and at home were evaluated in 200 paediatric daycase patients by using questionnaires and telephone interviews. Pain was assessed by behaviour observation or a faces rating scale depending on age. Anaesthetic methods, nausea/vomiting, analgesics and parents' aspects were also recorded. Seventy per cent of the patients received regional anaesthesia. Immediate postoperative analgesia was satisfactory in 75% of the children. When the effects of intraoperatively administered analgesics wore off at home almost half the children rated higher than mild pain. The increased degree of pain at home was especially pronounced after regional anaesthesia. The total incidence of nausea/vomiting was 28% and fentanyl caused nausea and vomiting in a significantly higher proportion of cases. The study points out that immediate postoperative comfort obtained by prophylactic analgesia needs to be followed by analgesics given on a continuous basis for the first days after surgery.
Postoperative pain in children can usually be well controlled with a combination of analgesics, including acetaminophen (paracetamol), NSAIDs, opioids, and local/regional anesthesia. Recent research has shown that the dosage of acetaminophen required to provide analgesia is higher than the traditional dosages used for the regulation of elevated body temperature. Rectal administration of acetaminophen gives a lower and more variable bioavailability compared with oral administration. There is growing experience with the use of NSAIDs in children and several studies have demonstrated the relatively strong analgesic potential of these drugs. Titration of opioids to analgesic effect, and the use of nurse- and patient-controlled continuous opioid infusions in children have gained widespread use and, with proper education and supervision, are considered excellent methods of pain control. Local peripheral and central blocks decrease the need for anesthetics during surgery and provide effective postoperative pain relief.
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