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This article discusses a recent study on the efficacy of a regional block as a postoperative analgesia technique for pediatric patients undergoing certain surgical procedures. The authors of the article raise several questions and concerns about the methodology and results of the study. They question the target pain scores set for postoperative analgesia and argue that the control group may have been ineffective, potentially biasing the outcomes. They also criticize the lack of standardized analgesic prescriptions and the limited use of non-opioid analgesics in the study. Additionally, they highlight inconsistencies in the time to first analgesic need in the ward. The authors conclude by requesting a reasonable explanation for these findings. [Extracted from the article]

A letter to the editor is presented in response to the article "Meta-analysis for randomized controlled trials comparing video and direct laryngoscopes in pediatric patients."

A letter to the editor is presented in response to the article "Does topical lidocaine before tracheal intubation attenuate airway responses in children? An observational audit," by N. D. Hamilton and colleagues in an issue in 2012.

A letter to the editor is presented in response to an article regarding the intraoral fixation method in fixing endotracheal tube (ETT) during craniomaxillofacial surgery.

Early postoperative fluid overload precedes acute kidney injury and is associated with higher morbidity in pediatric cardiac surgery patients. Effects of intraoperative dexmedetomidine on the incidence of acute kidney injury in pediatric cardiac surgery patients: a randomized controlled trial. Keywords: acute kidney injury; cardiac surgery; dexmedetomidine; pediatric patients EN acute kidney injury cardiac surgery dexmedetomidine pediatric patients 506 507 2 03/30/21 20210401 NES 210401 B SIR b - By a randomized controlled trial, Kim et al1 assessed effect of intraoperative dexmedetomidine on the incidence of acute kidney injury (AKI) after pediatric cardiac surgery and showed that this intervention could not significantly reduce incidence of AKI. [Extracted from the article]

Sir - With great interest, we read the recent article by Koylu et al1 assessing the effect of placing a folded towel under the shoulders on laryngeal visualization and intubation with a C-MAC Miller videolaryngoscope in pediatric patients younger than 2 years of age. Did you assess the overall ease of use with this device after completion of intubation (ie, including both laryngeal visualization and intubation), or only at the time of laryngeal visualization before intubation? Footnotes 1 Re: Koylu Gencay Z, Begec Z, Ozgul U, Colak C. The effect of placement of a support under the shoulders on laryngeal visualization with a C-MAC Miller Video Laryngoscope in children younger than 2 years of age. [Extracted from the article]

A letter to the editor is presented in response to the article "Tracheal intubation with the Bonfils fiberscope in the difficult pediatric airway: a comparison with fiberoptic intubation," by J. Kaufmann and colleagues in the 2014 issue.