Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
1999-10-21
pubmed:abstractText
There are several types of radiologic contrast media which can be used in invasive cardiology: 1) ionic media with high osmolality (2000 mOsm/kg, about 6 times that of plasma), the prototype of which is diatrizoate; 2) ionic media with low osmolality (600-900 mOsm/kg), the prototype of which is ioxaglate; 3) non-ionic monomeric, low-osmolality media, such as iopromide, iopamidol and iohexol; and 4) non-ionic dimeric media, iso-osmolal compared to plasma (290-300 mOsm/kg), among which the most used is iodixanol. Non-ionic media--by far the most expensive--have a generally better tolerability profile for the patient, since they clearly induce a less gastro-intestinal, renal, hemodynamic, electrophysiological and pseudo-allergic side effects. They interfere much less with the physiology of vascular and circulating blood cells, and have lesser negative interference on the hemostatic function. Whether these lesser anti-hemostatic properties become a possible downside in situations at high thrombotic risk, such as in some interventional procedures, has been so far the object of isolated reports, usually with limited numbers of patients, and is presently being verified in adequate clinical trials. Radiologic contrast media also have disparate vasoactive properties on epicardial and myocardial resistance vessels. The knowledge and awareness of such effects is of potential importance for the performance of studies requiring the accurate quantitative evaluation of coronary diameters or of myocardial blood flow.
pubmed:language
ita
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0046-5968
pubmed:author
pubmed:issnType
Print
pubmed:volume
29
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1047-52
pubmed:dateRevised
2010-11-18
pubmed:meshHeading
pubmed:year
1999
pubmed:articleTitle
[Effects on vasomotor tone and hemostatic function of radiologic contrast media used during invasive cardiological procedures].
pubmed:affiliation
Istituto di Fisiologia Clinica, CNR, Pisa.
pubmed:publicationType
Journal Article, Comparative Study, In Vitro, English Abstract, Review