The anthracycline antibiotics are important components of many antineoplastic chemotherapeutic
regimens. The sequential monitoring of cardiac function of patients undergoing chemotherapy
allows the identification of subclinical cardiotoxicity. Such cardiotoxicity is related
to the cumulative dose of these drugs; the risk of congestive heart failure in children
has been reported to increase at cumulative doses of >550 mg per body surface area.
1
,
2
To our knowledge, little has been published on the effects of moderate doses of anthracycline
antibiotics on left ventricular myocardial performance in clinically asymptomatic
children treated for malignant neoplasms. Recently, an easily measured new Doppler
index of left ventricular myocardial performance that combines systolic and diastolic
time intervals known as the Tei index was proposed.
3
,
4
This index allows assessment of cardiac “reserve” and enables earlier detection of
myocardial dysfunction. It has previously been correlated with severity and clinical
outcome in adult
3
,
4
,
5
and pediatric patients with congenital or acquired heart disease.
6
,
7
,
8
,
9
This study prospectively evaluated the Tei index for detecting subclinical cardiotoxicity
in patients undergoing chemotherapy.- Ishii M.
- Eto G.
- Tei C.
- Tsutsumi T.
- Hashino K.
- Sugahara Y.
- Himeno W.
- Muta H.
- Furui J.
- Akagi T.
- Fukiyama R.
- Toyoda O.
- Kato H.
Quantitation of the global right ventricular function in children with normal heart
and congenital heart disease a right ventricular myocardial performance index.
Pediatr Cardiol. 2000; 21: 416-421
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References
- Guidelines for cardiac monitoring of children during and after anthracycline therapy.Pediatrics. 1992; 89: 942-949
- Anthracycline-induced cardiotoxicity.Ann Intern Med. 1996; 125: 47-58
- New non-invasive index for combined systolic and diastolic ventricular function.J Cardiol. 1995; 26: 135-136
- New index of combined systolic and diastolic myocardial performance.J Cardiol. 1995; 26: 357-366
- Doppler index combining systolic and diastolic myocardial performance.J Am Coll Cardiol. 1996; 28: 658-664
- Nongeometric quantitative assessment of right and left ventricular function.J Am Soc Echocardiogr. 1998; 11: 849-856
- Assessment of global left ventricular function in normal children and dilated cardiomyopathy.J Am Soc Echocardiogr. 1999; 12: 1058-1064
- Serial evaluation for myocardial performance in fetuses and neonates using a new Doppler index.Pediatr Int. 1999; 41: 722-727
- Quantitation of the global right ventricular function in children with normal heart and congenital heart disease.Pediatr Cardiol. 2000; 21: 416-421
- Automatic border detection identifies subclinical Anthracycline cardiotoxicity in children with malignancy.Circulation. 1999; 99: 2367-2370
- Estimation of V maxiauxotonic systoles from the rate of relative increase of isovolumic pressure.J Clin Invest. 1971; 50: 1276-1285
- Impaired maximal rate of left ventricular relaxation in patients with coronary artery disease and left ventricular dysfunction.Circulation. 1979; 59: 984-991
- The heart in heart failure.Ann Intern Med. 1968; 69: 929-940
Article info
Publication history
Published online: August 16, 2004
Accepted:
June 19,
2000
Received in revised form:
June 19,
2000
Received:
April 18,
2000
Identification
Copyright
© 2000 Excerpta Medica Inc. Published by Elsevier Inc. All rights reserved.