Τίτλος:
The prognostic value of a QRS score during exercise testing
Γλώσσες Τεκμηρίου:
Αγγλικά
Περίληψη:
Background: Values of a QRS score have been positively related to the
number of narrowed coronary arteries and to the extent of myocardial
ischemia in radionuclide imaging techniques. Hypothesis: This study was
conducted to evaluate the potential prognostic information of abnormal
values of this QRS score during treadmill exercise testing in patients
with established coronary artery disease (CAD).
Methods: In all, 309 patients (258 men, 51 women, mean age 56.1 +/- 10.0
years) with documented CAD, underwent a treadmill exercise test and
coronary arteriography at baseline. Subsequently, they were
prospectively followed to a maximum of 36 months (mean follow-up 23 +/-
13 months, median 25 months).
Results: During the follow-up period, 20 patients (6.5%) died from
acute myocardial infarction. Abnormal QRS score values were found to be
significantly and independently associated with cardiac mortality (QRS
<= -4: relative risk 11.7; 95% confidence interval = 2.5-55.4; p =
0.002).
Conclusions: Taking into consideration the importance of exercise
testing in the management of ischemic heart disease, the use of this QRS
score could be of clinical value in predicting the outcome of patients
with documented CAD.
Συγγραφείς:
Michaelides, AP
Aigyptiadou, MNK
Andrikopoulos, GK
Richter,
DJ
Karralis, A
Tapanlis, E
Fourlas, CA
Stefanadis, CI
Περιοδικό:
Clinical Cardiology
Λέξεις-κλειδιά:
prognosis; coronary artery disease; exercise testing; QRS score
DOI:
10.1002/clc.4960280806
