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Not yet recruiting NCT06709118

The Effect of Different Fiberoptic Outer Diameters on Fiberoptic Intubation

— Observational Intubation Times

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: fiberoptic.
Who it may be relevant to
Registry conditions: Intubation Times. Basic parameters: 18 years — 60 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
Center list to be confirmed — check the primary protocol.
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →

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Overview

Fiberoptic intubation is an important method for anesthesiologists to deal with difficult airways, but its operation is difficult and requires repeated practice. Fiberoptic intubation is performed in two steps. First, the anesthesiologist holds the bronchoscope and exposes the base of the tongue, the epiglottis, and the glottis successively according to the front camera of the bronchoscope. Through the glottis, the main trachea is exposed to the carina. This process is visual and the anesthesiologist can see the main tissue structure directly. Then, the endotracheal catheter enters the endotracheal along the bronchoscope, and the process of endotracheal catheter entry is not visual. In clinical work, it was found that the tracheal catheter was easily blocked when it passed through the glottis, and it was necessary to adjust the position of the tracheal catheter for several times before the tracheal catheter could be sent into the tracheal tube, which was easy to cause throat injury in the process. At present, relevant studies are mainly focused on the first step of bronchoscopic intubation, how to quickly expose the glottis and complete the bronchoscopic guidance process. However, there is no clear mention of the situation of catatoning in the process of endotracheal catheter and how to solve the problem of catatoning.

Detailed description

According to the inclusion and exclusion criteria，collecting the data of participants who undergone fiberoptic intubation. The observer analysis the safety and efficiency of fiberoptic intubation.

Interventions

  • Device fiberoptic
    Tracheal intubation was performed with different outer diameters of fiberoptic.

Primary outcome measures

  • Fiberoptic intubation attempts [Time frame: during the procedure]
  • First intubation success rate [Time frame: during the procedure]
  • Fiberoptic intubation time [Time frame: during the procedure]
  • Time of passage of tracheal intubation through glottis [Time frame: during the procedure]
Secondary outcome measures (2)
  • Hoarseness after surgery [Time frame: 24 hours after surgery]
  • Sore throat [Time frame: 24 hours after surgery]

Eligibility criteria

Inclusion criteria

1.American Society of Anesthesiologists 1\~2

2.18-60 year

3.Adult patients requiring general anesthesia for orotracheal intubation

Exclusion criteria

  • Limited mouth opening
  • limited movement of temporomandibular joint
  • abnormal glottic anatomy
  • polyps of vocal cords

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: Yes

Study design

Observational model
Case-control

Study locations

Center list to be confirmed — check the primary protocol.

Publications

  • Piegeler T, Clausen NG, Weiss M. Effectiveness of tip rotation in fibreoptic bronchoscopy under different experimental conditions: an in vitro crossover study. Br J Anaesth. 2017 Dec 1;119(6):1206-1212. doi: 10.1093/bja/aex322. PMID 29028928
  • Karmali S, Rose P. Tracheal tube size in adults undergoing elective surgery - a narrative review. Anaesthesia. 2020 Nov;75(11):1529-1539. doi: 10.1111/anae.15041. Epub 2020 May 16. PMID 32415788
  • Teulieres M, Berard E, Marot V, Reina N, Ferre F, Minville V, Cavaignac E. A quadruple peripheral nerve block outside the OR for anterior cruciate ligament reconstruction reduces the OR occupancy time. Knee Surg Sports Traumatol Arthrosc. 2023 Jul;31(7):2917-2926. doi: 10.1007/s00167-022-07246-2. Epub 2022 Dec 5. PMID 36469051

Identifiers

NCT: NCT06709118 · KY-2024-172

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗