Relation of pulmonary vessel size to transfer factor in subjects with airflow obstruction
Journal Article
·
· AJR, Am. J. Roentgenol.; (United States)
In a group of 61 consecutive patients undergoing assessment of airflow obstruction, a significant linear relation was demonstrated between measurements of the diameter of the midzonal pulmonary vessels on the plain chest radiographs and transfer factor (diffusing capacity for carbon monoxide) (r = 0.46, p < 0.001). Since reduction in transfer factor has been shown to relate to structural emphysema, reduction in midzone vessel caliber implies the same. However, in the individual patient neither the transfer factor nor structural emphysema can be reliably predicted from midzone vessel diameters alone.
- Research Organization:
- Prince Henry Hospital, Little Bay, New South Wales, Australia
- OSTI ID:
- 5588464
- Journal Information:
- AJR, Am. J. Roentgenol.; (United States), Vol. 141:5, Issue 5
- Country of Publication:
- United States
- Language:
- English
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59 BASIC BIOLOGICAL SCIENCES
LUNGS
BIOMEDICAL RADIOGRAPHY
MORPHOLOGICAL CHANGES
RESPIRATORY SYSTEM DISEASES
DIAGNOSIS
CARBON MONOXIDE
PATIENTS
SIZE
BODY
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
DIAGNOSTIC TECHNIQUES
DISEASES
MEDICINE
NUCLEAR MEDICINE
ORGANS
OXIDES
OXYGEN COMPOUNDS
RADIOLOGY
RESPIRATORY SYSTEM
550602* - Medicine- External Radiation in Diagnostics- (1980-)
550800 - Morphology