Ερευνητικό υλικό ΕΚΠΑ

Exercise-induced ST-segment changes in lead V-1 identify the
significantly narrowed coronary artery in patients with single-vessel
disease - Correlation with thallium-201 scintigraphy and coronary
arteriography data

Αγγλικά

We investigated the correlation of exercise-induced ST-segment changes
in lead V-1, with the detection of the significantly narrowed vessel
that induced ischemia during exercise in myocardial areas supplied by
this vessel. We studied 198 patients who underwent exercise testing,
thallium-201 scintigraphy, and coronary arteriography. The patients were
divided into three groups. In group 1 (ST-segment elevation in lead
V-1), 84% had left anterior descending coronary artery disease (P <
.001); in group 2 (ST-segment depression in lead V-1), 76% had right
coronary artery disease (P < .001); and in group 3 (no ST-segment
changes in lead V-1), there were no significant differences concerning
the narrowed vessel. Thallium-201 scintigraphy data confirmed the
existence of the reversible perfusion defect(s) in an area(s) of
myocardium supplied by the respective coronary arteries (P < .001).
Exercise-induced ST-segment elevation or depresssion in V-1 may identify
the obstructed vessel in patients with single-vessel disease and without
prior myocardial infarction.

1999

Michaelides, AP
Psomadaki, ZD
Richter, DJ
Dilaveris, PE and
Andrikopoulos, GK
Kakaidis, S
Stefanadis, C
Gialafos, JE and
Toutouzas, PK

Journal of Electrocardiology

CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS

32

1

7-14

exercise testing; ST-segment changes; lead V-1; coronary; artery disease

https://doi.org/10.1016/S0022-0736(99)90016-X

10.1016/S0022-0736(99)90016-X

https://pergamos.lib.uoa.gr/uoa/dl/object/3051292