Linked Life Data

7796087

Source:http://linkedlifedata.com/resource/pubmed/id/7796087

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1995-7-31
pubmed:abstractText
Increased QT dispersion is associated with sudden cardiac death in congestive heart failure, hypertrophic cardiomyopathy, and following acute myocardial infarction. Patients with hypertension, in particular those with left ventricular hypertrophy, are also at greater risk of sudden cardiac death. We examined whether QT dispersion, which is easily obtained from a routine ECG, correlates with echo LVH. Sixty-nine untreated patients with essential hypertension had QT dispersion measured from a surface 12-lead electrocardiogram, and two-dimensional echocardiography performed to measure interventricular septal thickness, posterior wall thickness, and left ventricular internal diameter. Office blood pressure was recorded, and in 56 patients, 24 h ambulatory blood pressure monitoring was also done. Multivariate analysis demonstrated significant relationships between QT dispersion and office systolic blood pressure, and left ventricular mass index. Similar findings were obtained when QT dispersion was corrected for heart rate (QTc dispersion). After patients with electrocardiographic left ventricular hypertrophy (n = 5) were excluded from the analysis, the above relationships persisted. Increased QT dispersion is thus found in those essential hypertensives at greatest risk of sudden death. Since this relationship persists even in the absence of electrocardiographic left ventricular hypertrophy, measurement of QT dispersion might be a simple, non-invasive screening procedure to identify those hypertensives at greatest risk of sudden death.
pubmed:commentsCorrections
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
1460-2725
pubmed:author
pubmed:issnType
Print
pubmed:volume
88
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
327-32
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
1995
pubmed:articleTitle
QT dispersion in essential hypertension.
pubmed:affiliation
University Department of Clinical Pharmacology, Ninewells Hospital and Medical School, Dundee, UK.
pubmed:publicationType
Journal Article