Imaging of Cardiac Autonomic Innervation with SPECT and PET

Research output: Contribution to journalArticle

Abstract

Heart failure (HF) is a condition with high mortality and morbidity. A major component of HF pathophysiology is the body’s neurohormonal response that includes activation of the sympathetic nervous system. Imaging of cardiac sympathetic innervation with a radionuclide tracer, such as the extensively studied norepinephrine analogue 123I-meta-iodiobenzylguanidine (123I-mIBG), provides unique insights into a patient’s condition. Cardiac uptake of 123I-mIBG, measured as a heart to mediastinal ratio (H/M), has consistently been shown to correlate with poor outcome and predisposition to cardiac arrhythmias independent of conventional clinical, laboratory, and heart function parameters. 123I-mIBG imaging promises to help monitor a patient’s clinical course and response to therapy, and shows potential to improve patient selection for advanced therapies such as ICDs, LVADs, and transplant. Imaging regional abnormalities, although less studied, shows promise for more precisely identifying patients at risk for arrhythmias, and higher resolution PET tracers such as 11C-HED and 18 F-LMI1195 show potential.

Original languageEnglish (US)
Article number9242
Pages (from-to)1-12
Number of pages12
JournalCurrent Cardiovascular Imaging Reports
Volume7
Issue number1
DOIs
StatePublished - Jan 1 2014

Fingerprint

Single-Photon Emission-Computed Tomography
Cardiac Arrhythmias
Heart Failure
Sympathetic Nervous System
Radioisotopes
Patient Selection
Norepinephrine
Morbidity
Transplants
Mortality
Therapeutics

Keywords

  • C-HED
  • I-mIBG
  • Autonomic imaging
  • Heart failure
  • ICD

ASJC Scopus subject areas

  • Cell Biology
  • Histology
  • Applied Microbiology and Biotechnology

Cite this

Imaging of Cardiac Autonomic Innervation with SPECT and PET. / Travin, Mark I.

In: Current Cardiovascular Imaging Reports, Vol. 7, No. 1, 9242, 01.01.2014, p. 1-12.

Research output: Contribution to journalArticle

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