Publications by authors named "Shugo Kasuya"

Background: Intraoperative hypothermia often occurs in patients under general anesthesia, including liver transplantation (LT), leading to various life-threatening conditions. This study aimed to evaluate factors causing hypothermia in patients undergoing pediatric LT.

Methods: Data were collected from patients undergoing LT who were warmed during surgery.

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Pulmonary hypertension is associated with significant risk of perioperative life-threatening events. We present a case of a 12-year-old child with severe pulmonary arterial hypertension who successfully underwent diagnostic cardiac catheterization under ketamine and dexmedetomidine sedation with the support of high-flow nasal oxygen. Ketamine and dexmedetomidine are reported to have minimal effect on pulmonary vasculature in children with pulmonary hypertension and can be safely used in this population along with its lack of respiratory depression.

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Background: Acute liver failure (ALF) is a component of multisystem organ failure that causes severe liver dysfunction in patients without underlying chronic liver disease. The patients with ALF are prone to have infections, including bacteremia. However, studies of the infectious impact for post liver transplantation (LT) in pediatric ALF are limited.

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Article Synopsis
  • Immediate extubation (IE) after liver transplantation (LT) is now common in pediatric patients, but no established selection criteria exist for its use, prompting the development of new protocols.
  • A retrospective study analyzed LT cases from 2016-2020 to compare outcomes between immediate extubation (IE) and non-immediate extubation (NIE) patients, noting a total of 81 IE and 185 NIE cases.
  • The results showed that all patients in the IE group were successfully extubated without re-intubation, while a significant number of delayed NIE patients required tracheostomies, indicating that earlier extubation is safer.
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  • Ornithine transcarbamylase deficiency is a genetic disorder leading to ammonia buildup in the liver, resulting in severe neurological damage, and liver transplantation can effectively cure it.* -
  • A study reviewed 29 liver transplantation cases for this deficiency, noting that while most patients stabilized post-surgery, some faced issues with uncontrolled hyperammonemia.* -
  • Proper anesthesia management is crucial for successful surgeries, and using carrier donors is discouraged due to risks of recurrence of the condition after transplantation.*
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Article Synopsis
  • - The study aims to gather real-world data on the incidence of adverse events during pediatric anaesthesia, particularly focusing on difficulties in securing airways and their risk factors, which can help enhance safety protocols in anaesthesia practices.
  • - Conducted over three years in four tertiary care hospitals in Japan, the study will track children under 18 undergoing surgery or diagnostic procedures requiring general anaesthesia or sedation, collecting data on patient traits and anaesthesia management methods.
  • - With an estimated sample size of 16,000, the study is designed to analyze the correlation between challenging airway features and adverse events, with the findings expected to inform targeted education initiatives for anaesthesia providers.
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Objectives: Emergence delirium (ED) occurs in approximately 25% of paediatric general anaesthetics and has significant adverse effects. The goal of the current systematic review was to identify the existing literature investigating performance of predictive models for the development of paediatric ED following general anaesthesia and to determine their usability.

Design: Systematic review using the Prediction model study Risk Of Bias Assessment Tool (PROBAST) framework.

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Methymalonic acidemia (MMA) is a hereditary metabolic disorder characterized by a defect of the methylmalonyl-CoA mutase that breaks down propionate. The efficacy of liver transplantation for MMA was recently reported. However, the anesthetic management of liver transplant for MMA is not clear.

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We present here anesthetic management for children undergoing MRI at the Department of Anesthesia in NCCHD. Remaining motionless in the scanner of MRI is extremely important for data integrity because motion will blur the image. In patients who cannot remain still and in small children, general anesthesia or sedation is required for MRI.

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This study examined the effect of ligation on the load-deflection characteristics of nickel-titanium (NiTi) orthodontic wire. A modified three-point bending system was used for bending the NiTi round wire, which was inserted and ligated in the slots of three brackets, one of which was bonded to each of the three bender rods. Three different ligation methods, stainless steel ligature (SSL), slot lid (SL), and elastomeric ligature (EL), were employed, as well as a control with neither bracket nor ligation (NBL).

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Background: The purpose of this study was to determine whether oral midazolam 1.5 mg x kg(-1) is a safe and effective alternative to standard-dose midazolam (0.5-1.

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