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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05983666
Other study ID # PATO
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date July 1, 2023
Est. completion date August 1, 2024

Study information

Verified date June 2023
Source Clinica Universidad de Navarra, Universidad de Navarra
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The clinical importance of airway management has gained prominence in the last decade in most scientific societies with the aim of improving the standard of care. The WHO has focused guidelines for "Safety in Surgery", which attempt to encompass all methods that predict and recognise airway management risk and should be applied by the surgical team, and has therefore created and implemented a surgical checklist that can be useful in reducing the risk of unidentified difficulties. The same suggestion has been included in the Helsinki Declaration on Patient Safety in Anaesthesiology, signed by most European entities in cooperation with the European Society of Anaesthesiology (ESA), the European Board of Anaesthesiology (EBA-UEMS), and the World Federation of Societies of Anaesthesiology (WFA). Confirmation of correct endotracheal tube (ET) placement is a crucial step in airway management, as unrecognised oesophageal intubation can have catastrophic consequences. Numerous methods are used to verify correct ET placement, including visual confirmation of tube passage through the vocal cords during laryngoscopy, chest wall expansion during ventilation, visualisation of the tracheal rings and carina using a flexible bronchoscope, auscultation, capnometry, capnography and chest radiography. These techniques vary in their degree of precision. Although capnography is considered the gold standard for confirming tracheal intubation, it has some important limitations. In recent years, ultrasonography has been introduced as the fifth pillar of the physical examination of the patient: inspection, palpation, percussion, auscultation and insonation. For airway assessment and management, Point-of-Care UltraSound (PoCUS) has been incorporated into routine clinical practice, answering open diagnostic questions, aiding in differential diagnosis and guiding procedures. Thus, investigators propose a simple, quick and easy-to-learn approach for the interpretation of ultrasound imaging findings during airway management.


Description:

The first step of the algorithm is to locate the oesophagus by asking the patient to swallow. The ultrasound transducer is placed transversely on the anterior surface of the neck at the paratracheal level (usually located on the left side), 1-2 cm above the sternal notch or jugulum. In this image, the trachea is shown as a hyperechoic, curvilinear image (air-mucosa interface), showing a posterior reverberation artefact called a comet tail. During the intubation technique, this ultrasound window allows the physician to observe the real-time passage of the tube into the trachea, confirming correct tracheal intubation only if a single air-mucosa interface with its comet tail is maintained. This can then be verified by capnography (if available) or by lung sliding.


Recruitment information / eligibility

Status Recruiting
Enrollment 200
Est. completion date August 1, 2024
Est. primary completion date July 1, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 90 Years
Eligibility Inclusion Criteria: Patients (male or female) ASA I-III, aged between 18 and 90 years, undergoing scheduled and/or emergency surgery requiring orotracheal intubation. Informed consent form must be signed authorising inclusion in the study. Exclusion Criteria: A.- Cervical tumours, goitre or patients who have required cervical radiotherapy. B.- Abnormalities leading to alterations of the anatomy such as facial/cervical fractures. C.- Those who cannot give their consent.

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Ultrasound Oesophageal Intubation
Ultrasound Oesophageal intubation detection

Locations

Country Name City State
Spain Clinica Universidad de Navarra Madrid

Sponsors (1)

Lead Sponsor Collaborator
Clinica Universidad de Navarra, Universidad de Navarra

Country where clinical trial is conducted

Spain, 

Outcome

Type Measure Description Time frame Safety issue
Primary Ultrasound Oesophageal Intubation To assess a diagnostic algorithm for tracheal versus oesophageal intubation using ultrasound and capnography as a confirmatory criterion. 5 minutes
Secondary POCUS learning curve Time required for the application of the ultrasound algorithm and training time for previously untrained personnel. 30 minutes
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