Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2005-3-28
pubmed:abstractText
Endothelial dysfunction plays an important role in the pathogenesis of cardiac syndrome X, and intracoronary low-dose acetylcholine infusion is a widely used diagnostic modality for studying the coronary artery endothelial function. The authors herein report 2 cases of cardiac syndrome X with coronary artery endothelial dysfunction and microvessel spasm. The findings of non-invasive testing were positive for ischemia. Coronary angiograms appeared entirely normal in both cases. However, the intracoronary infusion of low-dose (1.5-15 microg/minute) acetylcholine demonstrated an impairment of the coronary blood flow response and consequently provoked an ST-segment elevation in an electrocardiogram. The coronary angiograms showed no spasm in the epicardial arteries. These patients are thus suggested to have cardiac syndrome X with microvessel spasms associated with coronary artery endothelial dysfunction.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0003-3197
pubmed:author
pubmed:issnType
Print
pubmed:volume
56
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
211-6
pubmed:meshHeading
pubmed-meshheading:15793610-Acetylcholine, pubmed-meshheading:15793610-Blood Flow Velocity, pubmed-meshheading:15793610-Cholinergic Agents, pubmed-meshheading:15793610-Coronary Angiography, pubmed-meshheading:15793610-Coronary Circulation, pubmed-meshheading:15793610-Coronary Disease, pubmed-meshheading:15793610-Coronary Vasospasm, pubmed-meshheading:15793610-Diagnosis, Differential, pubmed-meshheading:15793610-Dose-Response Relationship, Drug, pubmed-meshheading:15793610-Electrocardiography, pubmed-meshheading:15793610-Endothelium, Vascular, pubmed-meshheading:15793610-Female, pubmed-meshheading:15793610-Humans, pubmed-meshheading:15793610-Injections, Intra-Arterial, pubmed-meshheading:15793610-Magnetic Resonance Angiography, pubmed-meshheading:15793610-Male, pubmed-meshheading:15793610-Microcirculation, pubmed-meshheading:15793610-Microvascular Angina, pubmed-meshheading:15793610-Middle Aged
pubmed:articleTitle
Provocation of microvessel spasm by low-dose acetylcholine in patients with suspected coronary artery disease--two case reports.
pubmed:affiliation
The First Department of Internal Medicine, National Defense Medical College, Saitama, Japan.
pubmed:publicationType
Journal Article, Case Reports