A study to evaluate if a bedside ultrasound can help in predicting difficult airway

Completed

Conditions: Other general symptoms and signs, (2) ICD-10 Condition: R00-R99||Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified,

Registration Number: CTRI/2020/11/029379

Lead Sponsor: AIIMS Raipur

Brief Summary: Unpredictable difficult airway remains a primary concern for anaesthesiologists. Inaccurate assessment may place the patient at risk of hypoxic events and even death if complications occur and appropriate ventilation cannot be maintained. Therefore accurate airway assessment should be performed for proper

planning and management of unexpected difficult intubations .The incidence of difficult laryngoscopy and tracheal intubation still remains 1.5-13% due to poor reliability of traditional protocols, algorithms and combination of screening tools in identifying a potentially difficult airway.The commonly used screening tests like Modified Mallampatti Classification, interincisor gap, thyromental distance, neck extension, jaw protusion have shown low sensitivity and specificity with limited predictive value.

Ultrasound, due to its portable, non invasive characteristics, is useful bedside tool for airway assessment and is now widely available in operating rooms, emergency departments and criticalcare units. As the role of ultrasound in anaesthesia related airway assessment is encouraging but poorly defined , we have planned to assess its efficacy in predicting unanticipated difficult airway. A scoring system that can reliably assess difficult intubation is Intubation Difficulty Scale, which is done by direct laryngoscopy. However, laryngoscopy being an invasive procedure is difficult to perform in an awake patient, and cannot be used to predict difficult intubation.To our knowledge no study has been done to find the co relation between different preoperative ultrasound parameters and Intubation difficultyscale (IDS), hence the proporsal for this study for consideration.

Detailed Description: Not available

Recruitment & Eligibility

Status: Completed

Sex: All

Target Recruitment: 190

Inclusion Criteria

elective surgeries ASA 1 and 2 BMI 18.5- 29.9.

Exclusion Criteria

patients refusal ASA 3 and 4 interincisor gap <3cm loose teeth edentulous TMD<6 cm history of previous difficult intubation BMI>30 patients requiring RSI uncooperative pregnant patients patients with altered level of conciousness.

Study & Design

Study Type: Observational

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
To observe whether correlation exist between different preoperative ultrasound	The data obtained will be analysed once the study is over and a relation between the ability of ultrasound to predict a difficult intubation will be compared with actual difficult intubation
parameters and Intubation difficulty scale (IDS).	The data obtained will be analysed once the study is over and a relation between the ability of ultrasound to predict a difficult intubation will be compared with actual difficult intubation
To determine the efficacy of various ultrasound measurements of upper airway in	The data obtained will be analysed once the study is over and a relation between the ability of ultrasound to predict a difficult intubation will be compared with actual difficult intubation
predicting difficult laryngoscopy and intubation preoperatively	The data obtained will be analysed once the study is over and a relation between the ability of ultrasound to predict a difficult intubation will be compared with actual difficult intubation

Secondary Outcome Measures

Name	Time	Method
To observe whether correlation exist between different preoperative ultrasound	parameters and Intubation difficulty scale (IDS).

Trial Locations

Locations (1): All India Institute of Medical Sciences, Raipur
🇮🇳
Raipur, CHHATTISGARH, India
All India Institute of Medical Sciences, Raipur
🇮🇳Raipur, CHHATTISGARH, India
Dr Roopali Phulli
Principal investigator
8850819472
roopali2693@gmail.com