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

Forced expiratory spirometric parameters derived by feature-extraction techniques.

R L Pimmel, M J Tsai, J F Donohue

    The American Review of Respiratory Disease
    |December 1, 1979
    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

    Timing of radiotherapy (RT) after radical prostatectomy (RP): long-term outcomes in the RADICALS-RT trial (NCT00541047).

    Annals of oncology : official journal of the European Society for Medical Oncology·2024
    Same author

    Tadalafil therapy for sarcoidosis-associated pulmonary hypertension.

    Pulmonary circulation·2017
    Same author

    Can surgical need in patients with <i>Naja atra</i> (Taiwan or Chinese cobra) envenomation be predicted in the emergency department?

    Hong Kong medical journal = Xianggang yi xue za zhi·2016
    Same author

    Acidic FGF promotes neurite outgrowth of cortical neurons and improves neuroprotective effect in a cerebral ischemic rat model.

    Neuroscience·2015
    Same author

    Infective endocarditis giving rise to peritonitis in a patient on peritoneal dialysis.

    Peritoneal dialysis international : journal of the International Society for Peritoneal Dialysis·2013
    Same author

    Efficacy and safety of once-daily umeclidinium/vilanterol 62.5/25 mcg in COPD.

    Respiratory medicine·2013

    New spirometric parameters derived from feature extraction offer improved classification of lung function compared to standard measures. These novel parameters better distinguish between normal, restrictive, and obstructive lung diseases.

    Area of Science:

    • Pulmonary Medicine
    • Medical Diagnostics
    • Biostatistics

    Background:

    • Spirometry is essential for diagnosing lung diseases.
    • Standard spirometric parameters can be insufficient for precise classification.
    • Accurate differentiation of lung function patterns is crucial for patient management.

    Purpose of the Study:

    • To develop and validate novel spirometric parameters.
    • To assess the efficacy of new parameters in classifying lung function patterns.
    • To compare the discriminatory power of new parameters against standard measures.

    Main Methods:

    • Retrospective analysis of spirometric data from 200 patients.
    • Classification of spirometric patterns into indeterminate, normal, restrictive, or obstructive categories.

    Related Experiment Videos

  • Application of a formal feature-extraction technique to derive new parameters as linear combinations of standard ones.

    • Main Results:

    • Two new spirometric parameters were defined, explaining 94% of the variation in original data.
    • The derived parameters demonstrated superior separation of lung function classes.
    • New parameters outperformed the combination of normalized forced vital capacity and FEV1/FVC ratio in classification.

    Conclusions:

    • Novel spirometric parameters derived via feature extraction enhance lung function classification.
    • These parameters offer improved diagnostic accuracy over traditional metrics.
    • The findings suggest potential for improved clinical assessment of pulmonary conditions.