Sternomental Displacement Test for Predicting Difficult Airway in Obese Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

135 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-09-01

Study Completion Date

2021-04-30

Brief Summary

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Difficulties airway significantly contribute to the morbidity and mortality associated with anesthesia. Identifying situations and patients at risk for airway management problems is the key to optimal care and has been the focus of numerous publications. Although controversial, Body Mass Index (BMI) is considered as associated with difficult intubation in both and operating theaters. A modified measurement of SMD is obtained with the head in neutral position (SMD neutral), then the difference between SMD extension and SMD neutral was calculated and it was referred to as sternomental displacement (SMDD). SMDD was proved to be a good objective predictor for difficult laryngoscopy in adult patients, and its predictive ability was increased when combined with other tests as neck circumference (NC). To the best of our knowledge, the validity of the SMDD test was not previously assessed in obese patients.

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Detailed Description

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Conditions

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Difficult Airway Intubation

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Interventions

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Sterno-mental displacement test

While the patient is in sitting position, (SMD neutral) will be is measured using tape as the distance between upper borders of the manubrium sterni to the mentum with the head in a neutral position. The (SMD extension) will be then measured in the same way with the head extended on the neck. The difference between SMD extension and SMD neutral will be then calculated as sternomental displacement (SMDD).

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Patients of either sex, aged between 18-60 years old, ASA physical status II \& III with BMI \> 30 Kg/m2 undergoing elective surgical procedures under general anesthesia using endotracheal intubation by conventional laryngoscopy.

Exclusion Criteria

* neuromuscular disorders, craniofacial abnormalities, abnormal dentition, lesions or scares in head and neck limiting the neck mobility, uncooperative, who needed awake intubation and patients who underwent emergency operations

Minimum Eligible Age

18 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No