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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06000267
Other study ID # UCHBelgrade
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date January 10, 2022
Est. completion date October 2023

Study information

Verified date September 2023
Source University Childrens Hospital Belgrade
Contact Ivana Petrov, MD
Phone 64 152 5959
Email kikapetrov75@gmail.com
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The goal of this prospective, observational study is to identify predictors of difficult mask ventilation, direct laryngoscopy and intubation in pediatric patients scheduled for elective surgery and to determine their incidence. As a final goal, the investigators will try to define new scoring system for difficult airway prediction. Participants will be pediatric patients age infant till school age. Participants will have their airway assessed one day before surgery by taking anthropometric measurements of face and neck. After iv anesthesia induction and application of muscle relaxant, the investigators will assess difficulty of face mask ventilation by using grading from 0-4. Direct laryngoscopy will be performed with Macintosh blade and experienced anesthesiologist will determine Cormack - Lehane score as well as intubation difficulty score (IDS).


Description:

Participants will be divided into groups: up to 1 yrs of age, 1-2.9 yrs, 3-4.9, 5-6.9, and 7 yrs and older. The investigators will test predictive value, sensitivity and specificity of anthropometric parameters used for airway assessment in pediatric patients, as well as gender, age, BMI, ASA score. Anatomical parameters that will be measured the day before surgery: chin, inter - incisor gap, hyomental distance (HMD), hyoid - thyroid distance (HT), neck circumference, neck length, neck extension, lower lip to chin distance (LCD), tragus to chin distance (TMA), thyromental distance (TMD), sternomental distance (SMD). Mallampati test will be performed in children older than 5 years and best oropharyngeal view (BOV) will be determined for younger children. Colorado Pediatric Airway Score (COPUR) will be calculated. All patients will be premedicated with midazolam 0.5 mg/kg orally, 30 minutes before intervention or 0.1 mg/kg iv. Anesthesia induction will be intravenous: thiopentone 5 mg/kg or propofol 2.5 mg/kg, fentanyl 3 mcg/kg and non depolarizing muscle relaxant rocuronium 1 mg/kg or cis-atracurium 0.15 mg/kg. Face mask ventilation will be quantified as grade 0-4. Anesthesia maintenance will be intravenous or inhalatory depending on anesthesiologists decision. Patients will be intubated with Macintosh blade in the supine position, without additional elevation of occipital part of the head. Difficult laryngoscopy is defined as CL grade III and IV and they predict difficult endotracheal intubation. Intubation difficulty score will be used to asses intubation. Intubation difficulty will be defined by IDS - intubation difficulty score > 5. Standard procedures will be performed in case of difficult mask ventilation and intubation.


Recruitment information / eligibility

Status Recruiting
Enrollment 500
Est. completion date October 2023
Est. primary completion date October 2023
Accepts healthy volunteers No
Gender All
Age group 28 Days to 14 Years
Eligibility Inclusion Criteria: - Pediatric patients from one month to 14 years old scheduled for elective surgery in general endotracheal anesthesia. Exclusion Criteria: - Congenital syndromes which include difficult airway (Pierre Robin, Goldenhar syndrome, Treacher Collins syn, Down syn, Edwards, Arthrogryposis, Apart syn etc.), craniofacial dysmorphia, ENT, maxillofacial and cardiac surgery patients, patients with resent respiratory infections

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Intubation
All the patients will be ventilated with face mask and intubated before elective surgery

Locations

Country Name City State
Serbia University Children hospital Belgrade

Sponsors (1)

Lead Sponsor Collaborator
University Childrens Hospital Belgrade

Country where clinical trial is conducted

Serbia, 

Outcome

Type Measure Description Time frame Safety issue
Primary incidence of difficult mask ventilation and intubation Determination of grade 3 and 4 of mask ventilation incidence in different age groups of children and incidence of difficult intubation defined as intubation difficultly score >5 one year
Secondary Identification of anthropometric parameters of face and neck which determine difficult airway in children Identification of preoperative measurements of face and neck determining difficult face mask ventilation and intubation one year
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