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Titolo:
SAFETY OF DOBUTAMINE-ATROPINE STRESS MYOCARDIAL PERFUSION SCINTIGRAPHY
Autore:
ELHENDY A; VALKEMA R; VANDOMBURG RT; BAX JJ; NIEROP PR; CORNEL JH; GELEIJNSE ML; REIJS AEM; KRENNING EP; ROELANDT JRTC;
Indirizzi:
THORAX CTR ROTTERDAM,BA 300,DR MOLEWATERPLEIN 40 NL-3015 GD ROTTERDAMNETHERLANDS ERASMUS UNIV,HOSP DIJKZIGT,DEPT NUCL MED NL-3015 GD ROTTERDAM NETHERLANDS
Titolo Testata:
The Journal of nuclear medicine
fascicolo: 10, volume: 39, anno: 1998,
pagine: 1662 - 1666
SICI:
0161-5505(1998)39:10<1662:SODSMP>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
CORONARY-ARTERY DISEASE; CHEST PAIN; PROGNOSTIC-SIGNIFICANCE; ECHOCARDIOGRAPHY; ISCHEMIA; MULTICENTER; TOMOGRAPHY; EXERCISE; TL-201; INFARCTION;
Keywords:
DOBUTAMINE; MYOCARDIAL PERFUSION; SAFETY; CORONARY ARTERY DISEASE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
A. Elhendy et al., "SAFETY OF DOBUTAMINE-ATROPINE STRESS MYOCARDIAL PERFUSION SCINTIGRAPHY", The Journal of nuclear medicine, 39(10), 1998, pp. 1662-1666

Abstract

Dobutamine stress testing is increasingly used for the diagnosis and functional evaluation of coronary artery disease. However, the relationship between myocardial perfusion abnormalities and complications of the test has not been studied. Methods: We studied the hemodynamic profile, safety and feasibility of dobutamine (up to 40 mu g/kg/min)-atropine (up to 1 mg) stress myocardial perfusion SPECT imaging (with (TI)-T-201, Tc-99m-MIBI or tetrofosmin) in a consecutive series of 1076 patients (age = 59 +/- 11 yr, 50% with previous myocardial infarction) referred for evaluation of myocardial ischemia Results: No infarction or death occurred during the test. The test was considered feasible (achievement of 85% of the target heart rate or an ischemic endpoint) in 1005 patients (94%). Hypotension (systolic blood pressure drop greaterthan or equal to 40 mm Hg) occurred in 37 patients (3.4%), Independent predictors were higher baseline systolic blood pressure (p < 0.0001), number of ischemic segments (p < 0.05) and age (p < 0.05). Supraventricular tachyarrhythmias occurred in 48 patients (4.4%), Independent predictors were fixed perfusion defect (infarction) score (p < 0.005) and age (p < 0.05). Ventricular tachycardia occurred in 41 patients (3.8%), Independent predictors were infarction score (p < 0.01) and male gender (p < 0.05), All arrhythmias terminated spontaneously or after metoprolol adminstration, Conclusion: Dobutamine-atropine myocardial perfusion scintigraphy is a feasible method for the evaluation of coronary artery disease with a safety profile and feasibility comparable to those reported for dobutamine stress echocardiography, Patients with more severe fixed perfusion abnormalities are at a higher risk of developing tachyarrhythmias during the test.

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Documento generato il 21/01/20 alle ore 00:52:45