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Journal of Nuclear Cardiology

, Volume 25, Issue 2, pp 652–660 | Cite as

Left ventricular functional parameters by gated SPECT myocardial perfusion imaging in a Latin American country

  • Miguel Kapitan
  • Alvaro Beltran
  • Mario Beretta
  • Fernando Mut
International Corner
  • 124 Downloads

Abstract

Background

There is paucity of data on left ventricular (LV) functional parameters using gated SPECT myocardial perfusion imaging (MPI) from the Latin American region. This study provides detailed information in low-risk patients both at rest and during exercise.

Methods and Results

We studied 90 patients (50 men) with a very low likelihood of coronary artery disease. Gated-SPECT MPI was performed with Tc-99m MIBI using a 2-day protocol, with 16 frames/R–R cycle. The LV ejection fraction and volumes were not different between the rest and post-stress images. LVEF was 68 ± 7% post-stress and 70 ± 7% at rest in women, and 62 ± 7% and 63 ± 7%, respectively, in men (P = .19, .26). LV volumes were larger in men than women (P < .01). There were no differences in most variables obtained at rest or post-stress. Transient ischemic dilatation was similar, with upper limits of 1.20 and 1.19 in women and men, respectively (P = NS).

Conclusions

These data could prove helpful for the interpretation of gated SPECT MPI data in Latin America using identical protocol as used in this study.

Keywords

Gated-SPECT functional parameters Latin America 

Abbreviations

EDV

End-diastolic volume

EF

Ejection fraction

ESV

End-systolic volume

TPFR

Time to peak filling rate

MFR/3

Mean filling rate during first third of diastole

MIBI

Methoxy-isobutyl-isonitrile

PER

Peak ejection rate

PFR

Peak filling rate

SPECT

Single-photon emission computed tomography

TID

Transient ischemic dilatation

Notes

Disclosure

The authors (Drs. M. Kapitan, A. Beltran, M. Beretta and F. Mut), declare no conflicts of interest. No special financial assistance was received for this work.

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Copyright information

© American Society of Nuclear Cardiology 2017

Authors and Affiliations

  • Miguel Kapitan
    • 1
    • 2
  • Alvaro Beltran
    • 1
  • Mario Beretta
    • 2
  • Fernando Mut
    • 1
    • 2
  1. 1.Nuclear Medicine ServiceItalian HospitalMontevideoUruguay
  2. 2.Nuclear Medicine ServiceSpanish Association HospitalMontevideoUruguay

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