Computed tomography studies of lung ventilation and perfusion

EA Hoffman, D Chon - Proceedings of the American Thoracic …, 2005 - atsjournals.org
With the emergence of multidetector-row computed tomography (CT) it is now possible to
image both structure and function via use of a single imaging modality. Breath-hold spiral CT …

Pulmonary functional imaging (PFI): A historical review and perspective

G Bozovic, CM Schaefer-Prokop… - Acta …, 2023 - journals.sagepub.com
PFI Pulmonary Functional Imaging (PFI) refers to visualization and measurement of
ventilation, perfusion, gas flow and exchange as well as biomechanics. In this review, we …

Contributions of pulmonary perfusion and ventilation to heterogeneity in V˙a/Q˙measured by PET

S Treppo, SM Mijailovich… - Journal of Applied …, 1997 - journals.physiology.org
Treppo, Steven, Srboljub M. Mijailovich, and José G. Venegas. Contributions of pulmonary
perfusion and ventilation to heterogeneity in V˙ a/Q˙ measured by PET. J. Appl. Physiol. 82 …

Differences in regional wash-in and wash-out time constants for xenon-CT ventilation studies

D Chon, BA Simon, KC Beck, H Shikata, OI Saba… - Respiratory physiology …, 2005 - Elsevier
Xenon-enhanced computed tomography (Xe-CT) has been used to measure regional
ventilation by determining the wash-in (WI) and wash-out (WO) rates of stable Xe. We tested …

Relationship between lung function, ventilation–perfusion inequality and extent of emphysema as assessed by high-resolution computed tomography

K Sandek, T Bratel, L Lagerstrand, H Rosell - Respiratory medicine, 2002 - Elsevier
The development of the high-resolution computed tomography (HRCT) has improved the
ability to detect and quantify emphysema in various groups of patients with chronic airflow …

Regional structure-function correlations in chronic obstructive lung disease measured with positron emission tomography.

LH Brudin, CG Rhodes, SO Valind, PD Buckingham… - Thorax, 1992 - thorax.bmj.com
BACKGROUND: Positron emission tomography, performed with isotopes of very short half
life, can be used to relate local lung tissue density to local ventilation and to the ventilation …

Regional A/ ratios in man using 133Xe and single photon emission computed tomography (SPECT) corrected for attenuation

Almquist, Jonson, Valind, Wollmer - Clinical Physiology, 1999 - Wiley Online Library
We describe a technique to obtain non‐invasively regional pulmonary ventilation–perfusion
ratios (V˙ A/Q˙) using single photon emission computed tomography (SPECT) and …

CT 肺灌注成像与通气成像技术

金利芳, 缪競陶 - 上海医学影像, 2007 - cqvip.com
肺的基本功能是向静脉输送空气中的氧气, 同时在同一气-血界面交换出二氧化碳.
在不同的肺组织区域. 通气和血流的配比对能否进行充分的气体交换相当重要 …