Found 20 matching trials
Effects of Surgical Correction of Nasal Obstruction on Oxygen Uptake and Ventilation Volume
NAThis retrospective study aims to evaluate the effect of surgical correction...
Location
Multiple Locations
Inferior Turbinate Surgery in Rhinoseptoplasty: a Randomized Clinical Trial With Quality of Life Outcomes
NAThe purpose of this study is to determine whether inferior turbinate surger...
Location
Hospital de Clínicas de Porto Alegre
Impact of External Nasal Dilator on the Rhinogram
N/AThe aim of this study is to present new data for a better understanding of ...
Location
University of Sao Paulo General Hospital
Changes in Nasal Patency With Changes in Posture, Temperature, Humidity and Nasal Patency Seen by Acoustic Rhinometry
PHASE4To study nasal physiologic responses to changes in posture, temperatures, h...
Location
The University of Chicago
The Effect of Nasal Carbon Dioxide (CO2) on Nasal Congestion in Subjects With Perennial Allergic Rhinitis
PHASE2The purpose of this study is to evaluate the effect of nasal CO2 on nasal c...
Location
Capnia Investigative Site
Outcome Analysis in Septorhinoplasty
N/AA prospective observational cohort study that measures pre- and postoperati...
Location
Dept. Otorhinolaryngology, H&N Surgery
An Evaluation of Two Novel Nasal Strip Prototypes on Nasal Patency
PHASE1The results of this study will help in the development of a new type of nas...
Location
Common Cold Centre
Efficacy and Safety of Nasal Filters on Seasonal Allergic Rhinitis (Hay Fever)
NAThe purpose of this study is to assess the effect of reducing exposure to a...
Location
Aarhus University, School of Public Health, Department of Environmental & Occupational Medicine
The Nasal Airway in Chronic Obstructive Pulmonary Disease
N/AThe study is based on the theory of a "unified airway" that considers the n...
Location
St. Olavs Hospital
Controlled Human Exposure to Indoor Air, Dust and Ozone
NAThe aim of the study is to provide information which may help to improve th...
Location
Aarhus University, Scholle of Public Health, Dept. of Environmental & Occupational Medicine