Predicting difficult breathing tube placement in adults with obesity using the STOP-BANG questionnaire
Checks how well STOP-BANG predicts hard airway management in adults with obesity.
Plain-language title generated from the registry record
Registry title: Difficult Airway Prediction by Integrating STOP-BANG Criteria
Key facts
- Where
- Karachi, PakistanSee the site
AI summary: who the study is looking for
From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for obese adults having planned surgery under general anesthesia with a breathing tube. It tests how well the STOP-BANG questionnaire predicts a difficult airway.
- Age
- 18 to 60 years
- Sex
- Men and women can join
- Disease stage
- Body mass index 30 or more; American Society of Anesthesiologists (ASA) status II-III
- Earlier treatment
- No previous diagnosis of sleep apnea (OSA) by polysomnography; no history of radiation exposure
Main reasons for not taking part
- Refusal to take part
- ASA status IV or V
- Neuromuscular disease or facial abnormalities
- Heart or chest, head and neck, or emergency surgery
- Airway-related anatomical deformity (for example Down's syndrome)
Read by machine on 9 November 2026.
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 60 years old?
Source: NCT07493356, who can take part
Where in Pakistan
- Sindh Institute of Urology and TransplantationKarachi, PakistanTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorTrial details
- Who runs it
- Sindh Institute of Urology and Transplantation
- Trial code
- NCT07493356
- Record updated
- 25 March 2026
- Original description
This study is being done to determine the diagnostic accuracy of the STOP-BANG questionnaire in predicting difficult mask ventilation and intubation among obese patients.Read full original descriptionShow less
Enhancing Difficult Airway Prediction in Obese Patients: Integrating STOP-BANG With Additional Airway Assessment Tools
This study is being done to determine the diagnostic accuracy of the STOP-BANG questionnaire in predicting difficult mask ventilation and intubation among obese patients.
During the preoperative assessment, eligible participants will be enrolled in the study. The modified Mallampati score, thyromental distance, mouth opening, and upper lip bite tests will be performed along with STOP-Bang scores.
Later in the operating room, general anesthesia will be given, and bag-mask ventilation and intubation grade will be assessed and recorded. A correlation will be assessed between the difficult airway assessment findings, along with the STOP-BANG score and the bas-mask difficulty scores and intubation grades.
Inclusion: Male \& Female aged 18-60 years; Body mass index 30 or more; American Society of Anesthesiologists (ASA) status II-III; Scheduled for elective surgery under general anesthesia with endotracheal intubation.
Exclusion: Cardiothoracic, head and neck, or emergency surgery; Previously diagnosed with OSA (by polysomnography) will be excluded; Neuromuscular diseases or facial abnormalities; Any airway-related anatomical deformity (e.g., Down's syndrome); History of radiation exposure; Patients' refusal to participate; American Society of Anesthesiologists (ASA) IV \& V; Patient with mouth opening <2 fingers.