Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Predicting difficult intubation with indirect laryngoscopy

K Yamamoto1, T Tsubokawa, K Shibata

  • 1Department of Anesthesiology and Intensive Care Medicine, School of Medicine, Kanazawa University, Japan. kenyam@med.kanazawa-u.ac.jp

Anesthesiology
|February 1, 1997
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Establishment of a folliculo-stellate-like cell line from a murine thyrotropic pituitary tumor.

Endocrinology·1992
Same author

[Japanese clinical statistical data of patients with cholelithiasis, biliary infection].

Nihon rinsho. Japanese journal of clinical medicine·1992
Same author

Identification of a cis-acting element that enhances the pigment cell-specific expression of the human tyrosinase gene.

The Journal of biological chemistry·1992
Same author

Hemichorea associated with ipsilateral chronic subdural hematoma--case report.

Neurologia medico-chirurgica·1992
Same author

Immunoelectronmicroscopic differentiation of linear IgA bullous dermatosis of adults with coexistence of IgA and IgG deposition from bullous pemphigoid.

Journal of the American Academy of Dermatology·1992
Same author

[A case of endoscopic laser polypectomy for endobronchial hamartoma].

Nihon Kyobu Shikkan Gakkai zasshi·1992

Indirect laryngoscopy effectively predicts difficult tracheal intubation, showing higher positive predictive value and specificity than other methods. This technique aids in identifying patients requiring advanced airway management.

Area of Science:

  • Anesthesiology
  • Critical Care Medicine
  • Airway Management

Background:

  • Predicting difficult tracheal intubation remains a clinical challenge.
  • Identifying patients with potential airway difficulties is crucial for patient safety.
  • Existing predictive methods have limitations in accuracy.

Purpose of the Study:

  • To evaluate the effectiveness of indirect laryngoscopy in predicting difficult tracheal intubation.
  • To compare indirect laryngoscopy with the Wilson risk sum score and modified Mallampati score.
  • To assess the positive predictive value, sensitivity, and specificity of these methods.

Main Methods:

  • Indirect laryngoscopy was performed on 2,504 patients.
  • The Wilson risk sum score and modified Mallampati score were assessed in 3,680 patients.

Related Experiment Videos

  • Performance metrics including positive predictive value, sensitivity, and specificity were compared.

    • Main Results:

    • Difficult tracheal intubation occurred in 1.3% of 6,184 patients.
    • Indirect laryngoscopy demonstrated superior positive predictive value (31%) and specificity (98.4%) compared to other methods (P < 0.01).
    • Sensitivity of indirect laryngoscopy (69.2%) was also significantly higher than the Wilson risk sum score (55.4%) (P < 0.01).

    Conclusions:

    • Indirect laryngoscopy is an effective tool for predicting difficult tracheal intubation.
    • Despite limitations in 15% of patients due to gag reflex, its predictive accuracy is notable.
    • This method can assist clinicians in anticipating and preparing for challenging intubation scenarios.