Complications Related to the Anaesthesia During Airway Endoscopy in Children With Tracheostomy.

Anesthesia Complication, Children Receiving General Anesthesia, Tracheostomy Complications

Tracheostomy, Pediatric, Anesthesia complication, general anesthesia

The goal of this observational study is to investigate the incidence of severe anaesthesiologic complications during anaesthesia in children with tracheostomy undergoing surveillance airway endoscopy. The main question it aims to answer is how common severe anaesteshiologic complications are in these patients and investigate if there is an association between severe anaesthesiologic complications and patient related factors. Primary outcome: The incidence of severe anaesthesiologic complications in children with tracheostomy undergoing surveillance airway endoscopy. Secondary outcome: The association between severe anaesthesiologic complications and patient related factors: age at tracheostomy, age at surveillance endoscopy, ventilator dependence, current and previously diagnosed tracheostomy related airway complications. All children under 18 yrs. of age with a tracheostomy accepted for general anaesthesia undergoing surveillance airway endoscopy at the Long term Intensive Care unit at Karolinska University Hospital Stockholm Sweden will be eligable for inclusion. The anaesthesia will be conducted according to current practise and complications will recorded by the anaesthesiologist in charge. Participants may only be included several times during the study period.

Background: Children with airway obstruction due to inborn malformations or trauma, or who have a chronic need for respiratory support due to lung- or neuromuscular diseases, may require a tracheostomy. A tracheostomy is a surgical opening of the trachea at the front of the neck to create an artificial airway, maintained with a tracheostomy tube. The Long-term Intensive Care Unit (LIVA) is a unit within Paediatric Perioperative Medicine and Intensive Care (BPMI) at Karolinska University Hospital. Since 1998, its primary task has been to care for children with tracheostomies from a large part of the country and it is the only unit of its kind in Scandinavia. LIVA's follow-up of children with tracheostomies includes 1-2 surveillance airway endoscopies under anaesthesia per year. The endoscopies aim to early identify airway complications related to the tracheostomy tube. Complications, such as granulomas, infections, or bleeding, are often asymptomatic, and potentially lethal. There is no international nor national consensus regarding how often surveillance endoscopies should be performed. The possibility of individualizing the surveillance program based on risk factors has not been explored. Every anaesthesia carries a potential risk for the child. The incidence of complications related to the anaesthesia in children with tracheostomy undergoing airway endoscopy has not yet been investigated. In this study the investigator aim at assessing the incidence of anaesthesia-related complications during the surveillance airway endoscopies. Understanding the anaesthesiologic risk associated with the endoscopies is important in weighing risk versus benefit with the current surveillance airway endoscopy program. Main objective: To investigate the incidence of anaesthesiologic complications in children undergoing airway endoscopy as part of the surveillance program for children with tracheostomy. Research outcomes: Primary outcome: What is the incidence of severe anaesthesiologic complications in children with tracheostomy undergoing surveillance airway endoscopy? Secondary outcome: Is the risk for anaesthesia complications associated with patient related factors such as age, comorbidity and indication for tracheostomy? Method: This is a prospective observational study. All children with tracheostomy undergoing follow-up through LIVA scheduled to undergo a surveillance endoscopy will be eligible for inclusion continued until approximately 100 investigations have been performed or the 3 year investigation period has ended. Participants may be included several times during the study period. The anaesthesia is conducted according to current practice. Anaesthesia-related complications are recorded by the anaesthesiologist in charge through a standardized protocol including occurrences of hypoxemia, bronchospasm, aspiration, severe bradycardia and hypothermia, during anaesthesia and in the immediate postoperative period. Demographic data and information regarding risk factors with regards to anaesthesiologic complications are collected from patient charts. Ethical approval has been obtained, ref. no2023-07493-01.

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