Contemporary pediatric rigid bronchoscopy reflects the culmination of years of work by prominent endoscopists aided by technical developments in optical physics and refinements in optical lens manufacturing. Improved neonatal and pediatric care has allowed survival of premature infants, many with bronchopulmonary diseases. Rigid bronchoscopy in these infants is demanding and has necessitated the development of miniaturized telescopic bronchoscopes. This study documents airway pressures through bronchoscopes with and without endoscopic telescopes, analyzes and quantitates optical resolution, discusses the trade-offs between these instruments in airway resistance and optical resolution, and makes recommendations regarding which combinations of endoscopes and bronchoscopes provide the best resistance and resolution profiles. We conclude that the size 1.9-mm endoscopic telescope provides the most favorable resistance and resolution profile for the size 2.5 to 3.0 bronchoscopes, the 2.8-mm telescope is ideal for the 3.5 bronchoscope, and the 4.0-mm telescope works best with the 4.0 and larger bronchoscopes. Furthermore, optical forceps and side-channel forceps used during bronchial foreign body removal cause little change in airway resistance.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1177/000348949510400405 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Association between impaired diffusion capacity and small airway dysfunction: a cross-sectional study.
ERJ Open Res
January 2025
State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease & Guangzhou Institute of Respiratory Health & National Center for Respiratory Medicine & Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, China.
Background: Small airway dysfunction (SAD) and impaired diffusion capacity of the lungs for carbon monoxide ( ) are positively associated with a worse prognosis. Individuals with both dysfunctions have been identified in clinical practice and it is unknown whether they have worse health status or need management. We conducted this study to explore the association between SAD and impaired , and the difference between the groups with two dysfunctions, with either one dysfunction and with no dysfunction.
View Article and Find Full Text PDFEffectiveness of septal swell body reduction for patients with nasal airway obstruction: A systemic review and meta-analysis.
Clin Exp Otorhinolaryngol
January 2025
Department of Otolaryngology-Head and Neck Surgery, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
Background: The septal swell body (SSB), a distinct anatomical structure located in the anterior nasal septum, has been recognized as a significant contributor to nasal obstruction, impacting airflow dynamics and nasal resistance. This meta-analysis evaluated the impact of septal swell body volume reduction (SSBVR).
Methods: A systematic review of studies from PubMed, SCOPUS, Embase, Web of Science, and Cochrane databases was conducted through October 2024.
Introduction Bronchoscopic spray cryotherapy (SCT) is a novel treatment showing promise for chronic bronchitis (CB), characterized by excessive mucus secretion and productive cough. A large animal model for preclinical research of SCT is lacking, and its treatment's efficacy and mechanisms for CB are not well understood. Methods Eight Labradors were exposed to 200 ppm SO2 for 6 months to develop a CB model.
View Article and Find Full Text PDFExploring the therapeutic potential of GLP-1 receptor agonists in the management of obstructive sleep apnea: a comprehensive review.
J Basic Clin Physiol Pharmacol
January 2025
Pharmacology, MGM Medical College and Hospital, MGM Institute of Health Sciences, Nerul, Navi Mumbai, Maharashtra, India.
Obstructive Sleep Apnea (OSA) is a prevalent sleep disorder marked by repeated episodes of partial or complete upper airway obstruction during sleep, which leads to intermittent hypoxia and fragmented sleep. These disruptions negatively impact cardiovascular health, metabolic function, and overall quality of life. Obesity is a major modifiable risk factor for OSA, as it contributes to both anatomical and physiological mechanisms that increase the likelihood of airway collapse during sleep.
View Article and Find Full Text PDFInhaled ozone induces distinct alterations in pulmonary function in models of acute and episodic exposure in female mice.
Toxicol Sci
January 2025
Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, New Jersey, 08854.
Ozone is an urban air pollutant, known to cause lung injury and altered function. Using established models of acute (0.8 ppm, 3 h) and episodic (1.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!