Comparison of the prognostic value of SPECT after nitrate administration and metabolic imaging by PET in patients with ischaemic left ventricular dysfunction

Anna Rita Sorrentino, Wanda Acampa, Mario Petretta, Ciro Mainolfi, Marco Salvatore, Alberto Cuocolo

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Purpose: We compared the prognostic value of 99mTc-tetrofosmin single-photon emission computed tomography (SPECT) after nitrate administration and positron emission tomography (PET) with 18F-fluorodeoxyglucose (FDG) in patients with ischaemic left ventricular (LV) dysfunction. Methods: Eighty-nine patients with previous myocardial infarction and LV dysfunction (LV ejection fraction 33±10%) underwent 99mTc-tetrofosmin SPECT under control conditions (baseline) and after sublingual administration of 10 mg of isosorbide dinitrate (nitrate). Within 1 week, all patients underwent PET imaging with 18F-FDG. Four patients were excluded because of inadequate FDG uptake caused by severe diabetes. Follow-up data were obtained by phone contact with patients and by review of hospital or physicians' records. Cardiac death, myocardial infarction and late revascularisation for unstable angina were considered as events. Follow-up data were not available in three patients. Follow-up was 96% complete at a mean period of 29±19 months. Results: At baseline SPECT, 59 (72%) patients had evidence of viable myocardium, while 23 did not. Of these latter patients, 12 (52%) demonstrated viable myocardium after nitrate and 13 (56%) had preserved metabolic activity. Cardiac events (cardiac death, myocardial infarction and late revascularisation for unstable angina) occurred in 24 (29%) patients. Event-free survival was similar in patients with and patients without viable myocardium at baseline SPECT (p=0.8). In contrast, event-free survival was lower in patients with viable myocardium at nitrate SPECT and PET compared to those without viable myocardium (both p

Original languageEnglish
Pages (from-to)558-562
Number of pages5
JournalEuropean Journal of Nuclear Medicine and Molecular Imaging
Volume34
Issue number4
DOIs
Publication statusPublished - Apr 2007

Fingerprint

Left Ventricular Dysfunction
Single-Photon Emission-Computed Tomography
Positron-Emission Tomography
Nitrates
Myocardium
Myocardial Infarction
Unstable Angina
Fluorodeoxyglucose F18
Disease-Free Survival
Sublingual Administration
Isosorbide Dinitrate
Stroke Volume
Physicians

Keywords

  • LV dysfunction
  • PET imaging
  • Prognosis
  • SPECT imaging

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Comparison of the prognostic value of SPECT after nitrate administration and metabolic imaging by PET in patients with ischaemic left ventricular dysfunction. / Sorrentino, Anna Rita; Acampa, Wanda; Petretta, Mario; Mainolfi, Ciro; Salvatore, Marco; Cuocolo, Alberto.

In: European Journal of Nuclear Medicine and Molecular Imaging, Vol. 34, No. 4, 04.2007, p. 558-562.

Research output: Contribution to journalArticle

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AU - Salvatore, Marco

AU - Cuocolo, Alberto

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