The Incidence of Difficult Intubation in Obese Versus Non-obese Patients

Airway Obstruction Clinical Trial

Official title:

The Incidence of Difficult Intubation in Obese Versus Non-obese Patients

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT03752593
• Other study ID #: KHUH/Anesthesia
• Status: Completed
• Start date: November 8, 2016
• Est. completion date: November 8, 2018

Study information

• Verified date: October 2019
• Source: King Hamad University Hospital, Bahrain
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

The aim of our study is to identify the incidence of difficult endotracheal intubation in patients with normal BMI undergoing surgery under general anaesthesia in our hospital and compare it to that of obese patients.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 200
• Est. completion date: November 8, 2018
• Est. primary completion date: October 8, 2018
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years to 80 Years

Eligibility

Inclusion Criteria:

• Elective surgery

• BMI< 30 for Normal BMI group

• BMI > 30 for Obese group

Exclusion Criteria:

• Known previous difficult airway

• Pediatric patients.

• Emergency patients

Related Conditions & MeSH terms

• Airway Obstruction

Intervention

Other:
• ET Tube
Patients with a BMI of greater than 30 or less than who are presenting to the hospital for any surgical procedure requiring general anesthesia

Locations

Country	Name	City	State
Bahrain	King Hamad University Hospital	Muharraq

Sponsors (1)

Lead Sponsor	Collaborator
King Hamad University Hospital, Bahrain

Country where clinical trial is conducted

Bahrain, 

References & Publications (13)

Benumof JL. Management of the difficult adult airway. With special emphasis on awake tracheal intubation. Anesthesiology. 1991 Dec;75(6):1087-110. Review. Erratum in: Anesthesiology 1993 Jan;78(1):224. — View Citation

Bond A. Obesity and difficult intubation. Anaesth Intensive Care. 1993 Dec;21(6):828-30. — View Citation

Brodsky JB, Lemmens HJ, Brock-Utne JG, Vierra M, Saidman LJ. Morbid obesity and tracheal intubation. Anesth Analg. 2002 Mar;94(3):732-6; table of contents. — View Citation

Cormack RS, Lehane J. Difficult tracheal intubation in obstetrics. Anaesthesia. 1984 Nov;39(11):1105-11. — View Citation

De Jong A, Molinari N, Pouzeratte Y, Verzilli D, Chanques G, Jung B, Futier E, Perrigault PF, Colson P, Capdevila X, Jaber S. Difficult intubation in obese patients: incidence, risk factors, and complications in the operating theatre and in intensive care units. Br J Anaesth. 2015 Feb;114(2):297-306. doi: 10.1093/bja/aeu373. Epub 2014 Nov 27. — View Citation

Hashim MM, Ismail MA, Esmat AM, Adeel S. Difficult tracheal intubation in bariatric surgery patients, a myth or reality? Br J Anaesth. 2016 Apr;116(4):557-8. doi: 10.1093/bja/aew039. — View Citation

Juvin P, Lavaut E, Dupont H, Lefevre P, Demetriou M, Dumoulin JL, Desmonts JM. Difficult tracheal intubation is more common in obese than in lean patients. Anesth Analg. 2003 Aug;97(2):595-600, table of contents. — View Citation

Karkouti K, Rose DK, Wigglesworth D, Cohen MM. Predicting difficult intubation: a multivariable analysis. Can J Anaesth. 2000 Aug;47(8):730-9. — View Citation

Kim WH, Ahn HJ, Lee CJ, Shin BS, Ko JS, Choi SJ, Ryu SA. Neck circumference to thyromental distance ratio: a new predictor of difficult intubation in obese patients. Br J Anaesth. 2011 May;106(5):743-8. doi: 10.1093/bja/aer024. Epub 2011 Feb 24. — View Citation

Lavi R, Segal D, Ziser A. Predicting difficult airways using the intubation difficulty scale: a study comparing obese and non-obese patients. J Clin Anesth. 2009 Jun;21(4):264-7. doi: 10.1016/j.jclinane.2008.08.021. Epub 2009 Jun 6. — View Citation

Lundstrøm LH. Detection of risk factors for difficult tracheal intubation. Dan Med J. 2012 Apr;59(4):B4431. — View Citation

Murphy C, Wong DT. Airway management and oxygenation in obese patients. Can J Anaesth. 2013 Sep;60(9):929-45. doi: 10.1007/s12630-013-9991-x. Epub 2013 Jul 9. — View Citation

Shiga T, Wajima Z, Inoue T, Sakamoto A. Predicting difficult intubation in apparently normal patients: a meta-analysis of bedside screening test performance. Anesthesiology. 2005 Aug;103(2):429-37. — View Citation

* Note: There are 13 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Assessment of difficulty in airway management	Assessment of Cormack Lehanne grading (intubation difficulty scale) IDS.	two years