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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06088875
Other study ID # 36264MS159/4/23
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date October 18, 2023
Est. completion date May 1, 2024

Study information

Verified date October 2023
Source Tanta University
Contact Mahmoud H El-Baradei, MBBCH
Phone 00201150242991
Email mahmoud.elbaradei74@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The aim of this study is to compare the efficacy of airway topical anesthesia with nebulization to the spray-as-you-go technique using dexmedetomidine and lidocaine mixture to achieve upper airway anesthesia in TMJ ankylosis patients.


Description:

Awake fiber-optic intubation (AFOI) has become the accepted gold standard technique for management of recognized difficult airway as the larynx remains in a posterior position and the patient is able to protect the airway from soiling and can maintain the airway patency as well as spontaneous breathing efforts. Awake intubation requires that the patient remains calm and cooperative and is provided with sufficient anxiolysis, analgesia, and topical anesthesia without compromising the airway. Gag reflex, cough, and laryngospasm can be upsetting during the process. Awake patients never permit airway instrumentation without airway anesthesia. Therefore, effective airway anesthesia is required for airway instrumentation and patient comfort. For awake intubation, topical airway anesthesia can be provided either by using fiberoptic bronchoscope (FOB) to apply local anaesethic to the airway by a "spray-as-you-go" technique or nebulizing the patient for about 10-15 min.


Recruitment information / eligibility

Status Recruiting
Enrollment 50
Est. completion date May 1, 2024
Est. primary completion date May 1, 2024
Accepts healthy volunteers No
Gender All
Age group 21 Years to 65 Years
Eligibility Inclusion Criteria: - Age from 21to 65 years. - Both sexes. - American Society of Anesthesiologists (ASA) physical status I or II and scheduled for elective surgery requiring general anesthesia , and known to have Temporomandibular joint ankylosis and expected to be difficult intubation patient due to restriction of jaw mobility and limited mouth opening less than 2 fingers. Exclusion Criteria: - History of allergy to dexmedetomidine or lidocaine. - History of drug abuse. - Concomitant use of medications which may exaggerate the heart rate (HR) response of -dexmedetomidine (e.g. digoxin or ß-adrenergic antagonists), HR <50 beats/min, systolic blood pressure (SBP) <90 mmHg. - Pregnancy. - Morbid obesity( BMI more than 35). - Patients on anticoagulants, nasal trauma, deformity or polyp, CSF rhinorrhea, fracture base skull. - Cardiac and/or respiratory disease, reactive airway disease, hepatic or renal disorders.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Nebulization
Patients will be nebulized with mixture of 2% lidocaine 10 ml and dexmedetomidine 1 µg/kg by using wall nebulizer for 15 min before awake fiberoptic intubation. Patients in group S will receive saline 10 ml nebulization
Spray-as-you-go
Patients will receive a mixture of 2% lidocaine 10 ml and dexmedetomidine 1 µg/kg via spray-as-you-go technique + saline 10 ml nebulization. Patients in group N will receive saline via spray-as-you-go technique

Locations

Country Name City State
Egypt Tanta University Tanta El-Gharbia

Sponsors (1)

Lead Sponsor Collaborator
Tanta University

Country where clinical trial is conducted

Egypt, 

Outcome

Type Measure Description Time frame Safety issue
Primary Ease of successful intubation Ease of successful intubation will be measured by the composite score which is a composite of five parameters with a score of 1-5 for each parameter, 1 indicating best possible condition and higher scores indicating worsening of the conditions for intubation . The maximum score was 25. A score of <10 was considered optimal, 10-15 Immediately after intubation
Secondary Adverse events. Adverse events (bradycardia, hypotension, laryngeal spasm, lidocaine toxicity). Hypotension (MAP < 20% of baseline readings ). Bradycardia (HR < 50 beats/min From intervention for 4hours
Secondary Time till successful intubation. Time needed till successful intubation. Direct visualization of the endotracheal tube passing through the vocal cords into the trachea. Immediately after intubation
Secondary Post-operative sore throat. Sore throat will be evaluated at PACU 1, 12 and 24h after extubation, during the post-operative period.
Grading of Post-operative sore throat (POST) will be done using a four-point scale (0-3) : 0 for no sore throat; 1 for mild sore throat (complains of sore throat only when asked); 2 for moderate sore throat (complains of sore throat even without asking); and 3 for severe sore throat (with change of voice or hoarseness, also may be associated with throat pain).
24 hours after extubation
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