Predicting Difficult Airway in Children

Study Overview
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Brief Summary
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Background: Obtaining airway security holds the utmost importance in anesthesia. Specific predictive tests or findings for difficult airway are not defined for various pediatric age groups. Anthropometric measurements are defined parallel to percentile curves in different age groups. Aim: The aim of this study is to find out the value of body mass index and anthropometric measurements in prediction of difficult laryngoscopy in children by comparing to direct laryngoscopic evaluation of Cormack-Lehane test. Methods: Following institutional ethics committee approval and informed consent of parents of 108 patients (ages 0-3years), undergoing elective surgery were included in this study. Weight, height, body mass index and head circumference of the patients were measured and percentiles were recorded, prior to induction. Following standard anesthesia induction with thiopental all patients received 0,6 mg.kg-1 rocuronium intravenously. After sufficient time for neuromuscular relaxation laryngoscopy performed and Cormack-Lehane scores recorded. All recorded parameters were compared with Cormack-Lehane scores.

Official Title
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Value of BMI and Anthropometric Measurements With CL Test in Predicting Difficult Laryngoscopy in Children

Conditions
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Difficult Intubation, Pediatrics

Intervention / Treatment
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* Other: Easy Intubation


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: 0-3 years old (1-36 mounts) pediatric patients Patients 0-3 age years old with ASA I, undergoing elective surgery were included in this study Exclusion Criteria: Patients with known syndrome, facial anomaly, ASA score above 2 and laryngeal mask aiway were excluded from the study

Ages Eligible for Study
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Minimum Age: 1 Month
Maximum Age: 36 Months

Sexes Eligible for Study
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All

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Group I Easy Intubation<br>Pediatric patients ages 0-3 years Easy Intubation (Cormach-Lehane score I-II) | Other: Easy Intubation<br> <br> * Other names: Difficult intubation;|
| Group II Difficult intubation<br>Pediatric patients ages 0-3 years Difficult intubation (Cormach-Lehane score III-IV) | Other: Easy Intubation<br> <br> * Other names: Difficult intubation;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Difficult laryngoscopy classification using Cormack-LehaneGrade Assessment of difficult laryngoscopy at the time of the airway management procedure. | Classified as Grade I-visualization of entire laryngeal aperture, grade II-visualization of only posterior commissure of laryngeal aperture, grade III-visualization of only epiglottis, grade IV-visualization of just the soft palate. | immediate | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Head circumference measured in cm with a measuring tape. | Head circumference were taken at the level above eyebrows and ears and measured in cm with a measuring tape. | immediate | 
| Weight measured in kilogram with electronic scale. | Weight measured using electronic scale (0-20 kg) while undressed and without diapers . | immediate | 
| Height measured in cm with infantometer. | Height measured using a portable infantometer (0-100 cm) while the child was in supine position. | immediate | 
| BMI was calculated as kg/m2. | BMI measured using a weight/height2 formul | immediate | 
| Percentage values measured in % with percentile tables. | Percentage (%) values using from the percentile tables of Turkish children were determined after the head circumference (cm), height (cm), weight (kg) and BMI (kg/m2) values of all pediatric cases were determined as described above. | immediate | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Difficult intubation, Pediatrics, predictive tests