A substantial amount of life-sciences research has been performed in space since the
beginning of human spaceflight. Investigations into bone loss, for example, are well known; …

Abstract Ventilation-perfusion (VA/Q) matching, the regional matching of the flow of fresh gas
to flow of deoxygenated capillary blood, is the most important mechanism affecting the …

Smoking-induced ventilation heterogeneity measured at the mouth via established washout
indices [lung clearance index (LCI) and alveolar mixing efficiency (AME)] potentially results …

Background: Interstitial lung disease (ILD) is a common complication in patients with
systemic sclerosis (SSc), and its diagnosis contributes to early treatment decisions …

Measurement of ventilation heterogeneity with the multiple-breath nitrogen washout (MBW)
is usually performed using controlled breathing with a fixed tidal volume and breathing …

Mechanical stresses on the lung impose the major stimuli for developmental and
compensatory lung growth and remodeling. We used computed tomography (CT) to …

Introduction There is mounting evidence of respiratory problems related to military service in
the Middle East in the past two decades due to environmental exposures during deployment …

Proton magnetic resonance (MR) imaging to quantify regional ventilation–perfusion () ratios
combines specific ventilation imaging (SVI) and separate proton density and perfusion …

1H MRI is gaining more attention on pulmonary imaging because it can provide both
structural and functional information (1). The recently developed motion-resolved 3D free …

Proton magnetic resonance (MR) imaging to quantify regional ventilation–perfusion (̇VA∕
̇Q) ratios combines specific ventilation imaging (SVI) and separate proton density and …