The pulmonary vasculature

SR Hopkins, MK Stickland - Seminars in Respiratory and …, 2023 - thieme-connect.com
The pulmonary circulation is a low-pressure, low-resistance circuit whose primary function is
to deliver deoxygenated blood to, and oxygenated blood from, the pulmonary capillary bed …

Quantitative imaging metrics for the assessment of pulmonary pathophysiology: an official American Thoracic Society and Fleischner Society joint workshop report

CCW Hsia, JHT Bates, B Driehuys, SB Fain… - Annals of the …, 2023 - atsjournals.org
Multiple thoracic imaging modalities have been developed to link structure to function in the
diagnosis and monitoring of lung disease. Volumetric computed tomography (CT) renders …

Magnetic resonance–augmented cardiopulmonary exercise testing: comprehensively assessing exercise intolerance in children with cardiovascular disease

NJ Barber, EO Ako, GT Kowalik… - Circulation …, 2016 - Am Heart Assoc
Background—Conventional cardiopulmonary exercise testing can objectively measure
exercise intolerance but cannot provide comprehensive evaluation of physiology. This …

Vaping disrupts ventilation-perfusion matching in asymptomatic users

AS Kizhakke Puliyakote, AR Elliott… - Journal of Applied …, 2021 - journals.physiology.org
Inhalation of e-cigarette's aerosols (vaping) has the potential to disrupt pulmonary gas
exchange, but the effects in asymptomatic users are unknown. We assessed ventilation …

Tissue Perfusion and Diffusion and Cellular Respiration: Transport and Utilization of Oxygen

CCW Hsia - Seminars in Respiratory and Critical Care …, 2023 - thieme-connect.com
This article provides an overview of the journey of inspired oxygen after its uptake across the
alveolar–capillary interface, and the interplay among tissue perfusion, diffusion, and cellular …

The supine position improves but does not normalize the blunted pulmonary capillary blood volume response to exercise in mild COPD

BA Ross, AR Brotto, DP Fuhr… - Journal of Applied …, 2020 - journals.physiology.org
Patients with mild chronic obstructive pulmonary disease (COPD) demonstrate resting
pulmonary vascular dysfunction as well as a blunted pulmonary diffusing capacity (DLCO) …

Susceptibility to high-altitude pulmonary edema is associated with a more uniform distribution of regional specific ventilation

MD Patz, RC Sá, C Darquenne… - Journal of Applied …, 2017 - journals.physiology.org
High-altitude pulmonary edema (HAPE) is a potentially fatal condition affecting high-altitude
sojourners. The biggest predictor of HAPE development is a history of prior HAPE. Magnetic …

Abnormal pulmonary perfusion heterogeneity in patients with Fontan circulation and pulmonary arterial hypertension

SR Hopkins, RC Sá, GK Prisk, AR Elliott… - The Journal of …, 2021 - Wiley Online Library
Key points The distribution of pulmonary perfusion is affected by gravity, vascular branching
structure and active regulatory mechanisms, which may be disrupted by cardiopulmonary …

Ventilation, Blood Flow, and Their Inter‐Relationships

GK Prisk - Cotes' Lung Function, 2020 - Wiley Online Library
This chapter is devoted to understanding the principles that underlie pulmonary gas
exchange, the factors that impair pulmonary gas exchange, how those factors serve to limit …

Quantitative mapping of specific ventilation in the human lung using proton magnetic resonance imaging and oxygen as a contrast agent

ET Geier, RJ Theilmann, C Darquenne… - JoVE (Journal of …, 2019 - jove.com
Specific ventilation imaging (SVI) is a functional magnetic resonance imaging technique
capable of quantifying specific ventilation―the ratio of the fresh gas entering a lung region …