Comparación de la utilidad de técnicas radiográficas, endoscópicas y fluoroscópicas para el diagnóstico de colapso de las vías aéreas en perros

  1. Ortega Inglés, Ana 1
  2. Talavera López, Jesús 2
  1. 1 Departamento de Medicina y Cirugía Animal. Facultad de Veterinaria. Universidad de Murcia
  2. 2 FACULTAD DE VETERINARIA
Journal:
Anales de veterinaria de Murcia

ISSN: 0213-5434 1989-1784

Year of publication: 2023

Issue: 37

Type: Article

DOI: 10.6018/ANALESVET.558351 DIALNET GOOGLE SCHOLAR lock_openDIGITUM editor

More publications in: Anales de veterinaria de Murcia

Abstract

Collapse is defined as the narrowing of the airways that prevents the correct airflow to the lungs, making breathing difficult. Several regions can be affected at the same time or in a staggered manner since it presents a dynamic nature, which sometimes supposes a diagnostic challenge that requires the combination of several imaging techniques. The main objective of this study was to compare the usefulness of fluoroscopic, endoscopic, and radiographic techniques in diagnosing airway collapse in a group of dogs. With this aim, a study was carried out in 9 dogs with airway collapse (pharynx, larynx, cervical/intrathoracic trachea, and bronchi) confirmed by fluoroscopic, and for which chest X-rays and airways endoscopy were also available. The results of the study indicated that endoscopy is the most sensitive technique in the assessment of laryngeal and bronchial collapse since it detected laryngeal collapse in 57.14% of cases and bronchial collapse in 77.7%. However, by requiring anesthesia, the degree of tracheal collapse may be overestimated. In addition, it showed that radiography can overdiagnose cervical tracheal collapse, causing a high percentage of false positives (67%). For its part, fluoroscopy turned out to be superior to endoscopy in the dynamic evaluation of intrathoracic tracheal collapse, identifying it in 3 cases not identified by endoscopy. The combined use of fluoroscopy and endoscopy increases the reliability of the diagnosis of airway collapse. Even so, radiography, endoscopy, and fluoroscopy should be understood as complementary techniques that collaborate in the detection and evaluation of the severity of airway collapse in dogs.

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