Unilateral air trapping.

A Rare Case of Swyer James Syndrome

Aims & Objectives: To review the clinical presentation and imaging findings in a rare case of Swyer James Syndrome Materials & Methods: A 50 year old male patient presented with complaints of exertional dyspnea, cough with expectoration for the past three months. Detailed history revealed similar dyspnea episodes since childhood. Result: Patient underwent HRCT Thorax which revealed unilateral r...

Tracheobronchomalacia and air trapping after mustard gas exposure.

RATIONALE Mustard gas primarily affects the eyes, skin, and particularly the respiratory tract. Tracheobronchomalacia (TBM) and air trapping are often observed in high-resolution computerized tomography (HRCT) scans of the chest of mustard gas-exposed patients. OBJECTIVES To examine the frequency and severity of TBM in a group of Iranian wartime mustard gas-exposed victims, and to investigate...

Differential Consequences of Unilateral Nasal Air-Puff Stimulation on Breathing Pattern and Respiratory System Mechanics in Tracheotomized Rats

CT Air Trapping Is Independently Associated with Lung Function Reduction over Time

PURPOSE We aimed to study the association between lung function decline and quantitative computed tomography (CT) air trapping. MATERIALS AND METHODS Current and former heavy smokers in a lung cancer screening trial underwent volumetric low-dose CT in inspiration and expiration. Spirometry was obtained at baseline and after 3 years. The expiratory to inspiratory ratio of mean lung density (E/...

Evaluation of air trapping at CT: comparison of continuous-versus suspended-expiration CT techniques.

PURPOSE To compare thin-section computed tomographic (CT) scans obtained during suspended end expiration with helical CT scans obtained during continuous expiration for the assessment of air trapping. MATERIALS AND METHODS Forty-nine patients with an airway disease were examined with suspended-end-expiration CT after a 6-8-second expiratory maneuver, which was followed with continuous-expirat...