[Diagnosis using nuclear medicine of anterior descending artery stenosis in patients with left bundle branch block].

Abstract:

PURPOSE:To evaluate septal perfusion and contractility in patients with left bundle branch block (LBBB). METHODS:Twenty patients were submitted to myocardial scintigraphy with Tecnecium-99m isontrile after exercise and dipyridamole infusion. The septal contractility was observed during the radionuclide ventriculography. All patients were submitted to coronariography. RESULTS:Twenty patients were studied and 17 (85%) had a normal left anterior descending (LAD) artery. Nine (53%) patients had abnormalities in septal perfusion after the exercise and 2 (12%) after dipyridamole infusion. All patients had abnormalities in septal contractility during the radionuclide ventriculography. CONCLUSION:The myocardial scintigraphy after dipyridamole infusion showed better specificity in the diagnosis of a LAD lesion. The radionuclide ventriculography was an efficient method to evaluate the septal contraction abnormalities in patients with LBBB.

journal_name

Arq Bras Cardiol

authors

Smanio PE,Martins LR,Tazima S,Meneghelo R,Thom A,Sousa JE

subject

Has Abstract

pub_date

1995-11-01 00:00:00

pages

423-5

issue

5

eissn

0066-782X

issn

1678-4170

journal_volume

65

pub_type

临床试验,杂志文章
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  • [Percutaneous transluminal angioplasty of the left main coronary artery in acute myocardial infarction].

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