Peripheral pooling of bronchographic contrast material: evidence of its relationship to smoking and emphysema. (1/1)
Sixty-six subjects, mainly derived from various occupational groups and one-third of whom admitted to dyspnoea on exertion, have been grouped according to the appearance of their peripheral airways at bronchography with oily propyliodone. Eleven subjects showed marked peripheral pooling of radiographic contrast material, 22 showed mild or moderate pooling, and in 33 peripheral pools were absent. Pooling was not seen in non-smoking subjects. In the group of subjects without pooling, pulmonary function in non-smokers and subjects with a history of smoking was similar. Subjects with marked pooling had a significantly lower pulmonary diffusing capacity (transfer factor) and evidence of loss of pulmonary elastic recoil when compared with subjects with absent peripheral pooling. These results indicate that bronchographic peripheral pooling is associated with the physiological changes of panacinar pulmonary emphysema and suggest that a causal relationship may exist between the organic bronchiolar lesion of pooling and the peripheral parenchymal lesion of panacinar emphysema. (+info)Propyliodone is a synthetic iodinated radiocontrast agent, primarily used in angiography and urography, to help diagnose and visualize disorders of the heart, blood vessels, and urinary system by improving the contrast of images obtained through X-ray or CT scans.
I'm sorry for any confusion, but "Propyliodone" does not appear to have a specific medical definition. It is not listed in standard medical or pharmacological dictionaries or databases. It might be a term that is used in another context, such as chemistry, but it is not commonly used in medical terminology. If you have more information about where you encountered this term or its possible usage, I'd be happy to try and provide more context.
Propyliodone
... (INN, trade name Dionosil) is a molecule used as a contrast medium in bronchography. It was developed by a team at ... Pfeifer W, Seidel K (February 1958). "[Experiences with propyliodone bronchography]". Medizinische Klinik (in German). 53 (8): ...
List of MeSH codes (D03)
... propyliodone MeSH D03.383.725.791.550 - mimosine MeSH D03.383.725.791.900 - trazodone MeSH D03.383.725.812 - pyrithioxin MeSH ...
ATC code V08
Tyropanoic acid V08AC10 Calcium iopodate V08AD01 Ethyl esters of iodised fatty acids V08AD02 Iopydol V08AD03 Propyliodone ...
List of drugs: Pro-Prz
... propyliodone (INN) propylthiouracil (INN) propyperone (INN) propyphenazone (INN) propyromazine bromide (INN) proquazone (INN) ...
Propyliodone - Wikipedia
Betaxolol Hydrochloride|N0000004400
Code System Concept
MeSH Browser
Propyliodone Preferred Term Term UI T033761. Date01/01/1999. LexicalTag NON. ThesaurusID ... Propyliodone Preferred Concept UI. M0017783. Registry Number. 5NPJ6BPX36. Related Numbers. 587-61-1. Scope Note. Radiopaque ... Propyliodone. Tree Number(s). D03.383.725.791.496.750. Unique ID. D011440. RDF Unique Identifier. http://id.nlm.nih.gov/mesh/ ...
MeSH Browser
Propyliodone Preferred Term Term UI T033761. Date01/01/1999. LexicalTag NON. ThesaurusID ... Propyliodone Preferred Concept UI. M0017783. Registry Number. 5NPJ6BPX36. Related Numbers. 587-61-1. Scope Note. Radiopaque ... Propyliodone. Tree Number(s). D03.383.725.791.496.750. Unique ID. D011440. RDF Unique Identifier. http://id.nlm.nih.gov/mesh/ ...
E0000163|Adriamycin|doxorubicin
Galactoflavin
Descriptors in 2013 MeSH. Preferred term only. December 14, 2012
Chemistry:Gadopentetic acid - HandWiki
Gadopentetic acid, sold under the brand name Magnevist, is a gadolinium-based MRI contrast agent.[1] It is usually administered as a salt of a complex of gadolinium with DTPA (diethylenetriaminepentacetate) with the chemical formula A2[Gd(DTPA)(H2O)]; when cation A is the protonated form of the amino sugar meglumine the salt goes under the name "gadopentetate dimeglumine". It was described in 1981 by Hanns-Joachim Weinmann and colleagues [3] and introduced as the first MRI contrast agent in 1987 by the Schering AG. It is used to assist imaging of blood vessels and of inflamed or diseased tissue where the blood vessels become "leaky". It is often used when viewing intracranial lesions with abnormal vascularity or abnormalities in the blood-brain barrier. It is usually injected intravenously. Gd-DTPA is classed as an acyclic, ionic gadolinium contrast medium. Its paramagnetic property reduces the T1 relaxation time (and to some extent the T2 and T2* relaxation times) in NMR, which is the source of ...
Nanoparticle - Wikipedia
The reduced vacancy concentration in nanocrystals can negatively affect the motion of dislocations, since dislocation climb requires vacancy migration. In addition, there exists a very high internal pressure due to the surface stress present in small nanoparticles with high radii of curvature.[68] This causes a lattice strain that is inversely proportional to the size of the particle,[69] also well known to impede dislocation motion, in the same way as it does in the work hardening of materials.[70] For example, gold nanoparticles are significantly harder than the bulk material.[71] Furthermore, the high surface-to-volume ratio in nanoparticles makes dislocations more likely to interact with the particle surface. In particular, this affects the nature of the dislocation source and allows the dislocations to escape the particle before they can multiply, reducing the dislocation density and thus the extent of plastic deformation.[72][73] There are unique challenges associated with the measurement ...
Dionosil1
- Propyliodone (INN, trade name Dionosil) is a molecule used as a contrast medium in bronchography. (wikipedia.org)