Comparison Among Three Different Video Scope Guided Nasotracheal Intubation.

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-09-01

Study Completion Date

2024-07-31

Brief Summary

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Nasotracheal intubation (NTI) has become the most optimal alternative to oral endotracheal intubation for oro-maxillofacial surgery because it can offer an excellent vision field of the mouth. Additional benefits include milder oropharynx stimulation, less airway secretions, and better tolerance for long term endotracheal intubation maintenance. Traditional NTI is performed under the guidance of indirect laryngoscope, which is often accompanied by longer maneuver time and adverse complications such as trauma and bleeding. The development of various visualization tools such as video laryngoscope, video fiberoptic scope and video rigid laryngoscope has greatly improved NTI. However, there is no consensus on which one is the best adjunctive device for NTI. Therefore, a study on a comparison of the clinical efficacy of the above three video scope guided methods for NTI will be conducted.

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Detailed Description

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A total of 60 eligible patients will be enrolled in this prospective study, they are scheduled to undergo elective oro-maxillofacial surgeries under general anaesthesia with nasotracheal intubation in the Union Hospital, Tongji Medical College, Huazhong University of Science and Technology. According to the kinds of video methods uesd to assist in nasotracheal intubation, patients will be randomly divided into video laryngoscope group, video fiberoptic scope group and video rigid laryngoscope group, 20 participants in each group. The data of the duration of catheter reaching oropharynx (T1), the duration of catheter reaching glottis (T2), successful intubation time (T3), the first-attempt intubation success rate, the total number of intubations for each participant, whether there is oral and nasal mucosa bleeding, whether the tracheal ring is pressed, whether the catheter is rotated, the heraodynamic changes, and the occurrence of throat complications within 2 hours after surgery, will be recorded respectively.

Conditions

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Intubation, Intratracheal Airway Management

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

According to the kinds of video methods uesd to assist in nasotracheal intubation, patients will be randomly divided into video laryngoscope group, video fiberoptic scope group and video rigid laryngoscope group, 20 participants in each group.

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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video rigid laryngoscope group

Similarly during intubation, the patient should be placed in the supine position with the neutral head. The endoscopic body of video rigid laryngoscope covered by a lubricated endotracheal tube enters the airway through the nasal cavity, then proceeds under visual conditions. When the epiglottis is exposed, if necessary, gently lift the patient's lower jaw so that the glottis is fully visible. The tube is pushed to approach and pass the glottis. Withdraw the endoscopic body while adjusting the depth of tube in the trachea. The intubation ends with tube fixation.

Group Type EXPERIMENTAL

video rigid laryngoscope guided nasotracheal intubation

Intervention Type BEHAVIORAL

According to the kinds of video methods uesd to assist in nasotracheal intubation, participants will be divided into video rigid laryngoscope group. The data of the duration of catheter reaching oropharynx (T1), the duration of catheter reaching glottis (T2), successful intubation time (T3), the first-attempt intubation success rate, the total number of intubations for each participant, whether there is oral and nasal mucosa bleeding, whether the tracheal ring is pressed, whether the catheter is rotated, the heraodynamic changes, and the occurrence of throat complications within 2 hours after surgery, will be recorded respectively.

video laryngoscope group

First of all, participants will be asked to take supine position with neutral head. The operator will insert a lubricated endotracheal tube through the nasal cavity into the oropharynx, while he/she holds the handle of video laryngoscope in his/her left hand. Laryngoscope blade can be placed into oral cavity along the right corner of the patient's mouth, and the tongue is pushed to the left by moving the handle. Blade should arrive at a suitable depth to fully expose the epiglottis and glottis. After that, the operator can push the catheter with the right hand to approach and pass the glottis, sometimes Magill forceps are necessary. Finally, the tube is inserted into the trachea to the appropriate depth and fixed firmly.

Group Type EXPERIMENTAL

video laryngoscope guided nasotracheal intubation

Intervention Type BEHAVIORAL

According to the kinds of video methods uesd to assist in nasotracheal intubation, participants will be divided into video laryngoscope group. The data of the duration of catheter reaching oropharynx (T1), the duration of catheter reaching glottis (T2), successful intubation time (T3), the first-attempt intubation success rate, the total number of intubations for each participant, whether there is oral and nasal mucosa bleeding, whether the tracheal ring is pressed, whether the catheter is rotated, the heraodynamic changes, and the occurrence of throat complications within 2 hours after surgery, will be recorded respectively.

video fiberoptic scope group

It is suggested to apply paraffin oil to the surface of the insertion tube of video fiberoptic scope, where the friction with the inner wall of the endotracheal catheter will be reduced. The insertion tube together with a lubricated endotracheal tube will be placed into the nasopharynx through the nasal cavity of patient who takes supine position with neutral head. Push the insertion tube slowly and continuously along the airway until cuff passes through the glottis. Next carefully, the endotracheal tube can be delivered into the trachea, and the insertion tube can be withdrawn from the trachea. At last, the tracheal catheter can be fixed after the depth is adjusted to an appropriate level.

Group Type EXPERIMENTAL

video fiberoptic scope guided nasotracheal intubation

Intervention Type BEHAVIORAL

According to the kinds of video methods uesd to assist in nasotracheal intubation, participants will be randomly divided into video fiberoptic scope group. The data of the duration of catheter reaching oropharynx (T1), the duration of catheter reaching glottis (T2), successful intubation time (T3), the first-attempt intubation success rate, the total number of intubations for each participant, whether there is oral and nasal mucosa bleeding, whether the tracheal ring is pressed, whether the catheter is rotated, the heraodynamic changes, and the occurrence of throat complications within 2 hours after surgery, will be recorded respectively.

Interventions

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video laryngoscope guided nasotracheal intubation

According to the kinds of video methods uesd to assist in nasotracheal intubation, participants will be divided into video laryngoscope group. The data of the duration of catheter reaching oropharynx (T1), the duration of catheter reaching glottis (T2), successful intubation time (T3), the first-attempt intubation success rate, the total number of intubations for each participant, whether there is oral and nasal mucosa bleeding, whether the tracheal ring is pressed, whether the catheter is rotated, the heraodynamic changes, and the occurrence of throat complications within 2 hours after surgery, will be recorded respectively.

Intervention Type BEHAVIORAL

video rigid laryngoscope guided nasotracheal intubation

According to the kinds of video methods uesd to assist in nasotracheal intubation, participants will be divided into video rigid laryngoscope group. The data of the duration of catheter reaching oropharynx (T1), the duration of catheter reaching glottis (T2), successful intubation time (T3), the first-attempt intubation success rate, the total number of intubations for each participant, whether there is oral and nasal mucosa bleeding, whether the tracheal ring is pressed, whether the catheter is rotated, the heraodynamic changes, and the occurrence of throat complications within 2 hours after surgery, will be recorded respectively.

Intervention Type BEHAVIORAL

video fiberoptic scope guided nasotracheal intubation

According to the kinds of video methods uesd to assist in nasotracheal intubation, participants will be randomly divided into video fiberoptic scope group. The data of the duration of catheter reaching oropharynx (T1), the duration of catheter reaching glottis (T2), successful intubation time (T3), the first-attempt intubation success rate, the total number of intubations for each participant, whether there is oral and nasal mucosa bleeding, whether the tracheal ring is pressed, whether the catheter is rotated, the heraodynamic changes, and the occurrence of throat complications within 2 hours after surgery, will be recorded respectively.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

1. Participants scheduled for elective oro-maxillofacial surgery under general anesthesia.
2. Age between 18 and 65 years old.
3. The American Society of Anesthesiologists (ASA) Ⅰ～Ⅱ.
4. Body mass index (BMI) 18.5～24.9kg/m2.
5. Mallampati Ⅰ～Ⅱ.
6. Able to give informed consent.

Exclusion Criteria

1. Participants with severe intranasal diseases.
2. Participants with severe and uncontrolled clotting diseases.
3. Participants with skull base fractures and cerebrospinal fluid leakage.
4. Participants with unstable cardiovascular and cerebrovascular diseases, or with poor tolerance to vagal stimulation.
5. Participants who are deemed ineligible for participation in the clinical trial by the investigator.
6. Participants who have to receive the alternative therapy to establish ventilation after the several attempts for nasotracheal intubation.

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No