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Introduction: The prevalence of persistent postsurgical pain in children is over 20% after major surgeries; however, data are scarce on the prevalence, character, and risk factors among children undergoing common ambulatory surgeries. The primary aim of this study was to evaluate the prevalence of persistent pain following pediatric ambulatory surgery at 1, 3, and 6 months. Secondary aims were to identify risk factors and characterize the pain and consequences of persistent postsurgical pain. Methods: ASA I-II, ages 1 month to 16 years old, undergoing elective hypospadias repair, herniorraphy, orchiopexy, and orthopedic surgery were enrolled in a prospective, longitudinal, observational study at 3 pediatric centers in Italy. All patients received general plus regional anesthesia. Postoperative pain was evaluated using age appropriate pain scales at 1 and 3 hours. At 1, 3, and 6 months, pain scores were obtained and Parent’s Postoperative Pain Measures (<8 yo) and Child Activity Limitations Interview (>8 yo) surveys were administered. Results: About 350 patients completed the study. The prevalence of pain at 1, 3, and 6 months was 24% (84/350), 6.0% (21/350), and 4.0% (14/350), respectively. Inguinal herniorraphy patients experienced significantly higher pain at all 3-time points; 35.6%, 14.9%, and 9.2%. There was no significant association between mean pain scores >4 in PACU and persistent pain. Pain persisting at 6 months had neuropathic characteristics and frequently interfered with daily activities and sleep. Conclusion: Our data support the presence of persistent pain in pediatric patients after common surgeries. Most patients who developed persistent pain at 6 months had pain at 1 month. We recommend questioning at follow-up visit about persistent pain and functional impairment with follow-up until resolution. [ABSTRACT FROM AUTHOR]

Objectives/Aim This randomized control trial was designed to evaluate the incidence of emergence delirium ( ED) in preschool children receiving sevoflurane or desflurane anesthesia combined with an effective caudal block. Background While ED has been described in children receiving sevoflurane or desflurane anesthesia, a direct comparison between the two agents using a validated ED assessment tool has not been reported previously. Methods/Materials Two hundred and sixty preschool children scheduled for elective sub-umbilical surgery were randomized to receive sevoflurane or desflurane anesthesia combined with a caudal block. ED was defined as a Paediatric Anesthesia Emergence Delirium scale ( PAED) ≥10 points. A delirium-specific score ( ED I) was calculated from the first three items of the PAED score (eye contact, purposeful actions, awareness of the surroundings) and a nonspecific score ( ED II) from the last two items on the PAED score (restlessness and inconsolability) to test the hypothesis that some items of the PAED scale may better reflect clinical ED than others. Results Thirty-one (25%) children in each group demonstrated ED after awakening with ED being of shorter duration in the desflurane group than the sevoflurane group. An ED I score of nine points had a sensitivity of 0.93 and a specificity of 0.94 for ED. An ED II score of five points had a sensitivity of 0.34 and specificity of 0.95 for ED. Conclusion Sevoflurane and desflurane anesthesia were associated with similar incidences of ED in children undergoing sub-umbilical surgery and receiving effective regional anesthesia. High scores on the first three items of the PAED scale were highly correlated with ED. The items restlessness and inconsolability had lower sensitivity for the diagnosis of ED. [ABSTRACT FROM AUTHOR]