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. 2006 Feb;95(2):105-9.
doi: 10.1007/s00392-006-0342-6. Epub 2006 Jan 19.

Feasibility of 2-deoxy-2-[18F]fluoro-D-glucose- A85380-PET for imaging of human cardiac nicotinic acetylcholine receptors in vivo

Jan Bucerius  1 , Alexius Y Joe, Jörn Schmaljohann, Daniela Gündisch, Martina Minnerop, Hans-Jürgen Biersack, Ullrich Wüllner, Michael J Reinhardt
Affiliations

Feasibility of 2-deoxy-2-[18F]fluoro-D-glucose- A85380-PET for imaging of human cardiac nicotinic acetylcholine receptors in vivo

Jan Bucerius et al. Clin Res Cardiol. 2006 Feb.

Erratum in

  • Clin Res Cardiol. 2006 Jun;95(6):354

Abstract

Nicotinic acetylcholine receptors mediate the parasympathetic autonomic control of cardiac function. Aim of this study was the assessment of cardiac nicotinic acetylcholine receptor distribution with a novel (alpha4beta2) nicotinic acetylcholine receptor PET ligand (2-deoxy-2- [18F]fluoro-D-glucose-A85380) in humans. Five healthy volunteers without cardiac disease and six patients with either Parkinson's disease or multiple system atrophy without additional overt cardiac disease were evaluated with 2-deoxy-2-[18F]fluoro-D-glucose-A85380 PET-imaging to assess the cardiac parasympathetic innervation and the putative impact of both disorders. 2-deoxy-2- [18F]fluoro-D-glucose-A85380 whole body PET-scans were performed on a Siemens PET/CT biograph(TM) 75.4 min +/- 6.7 after i.v. injection of 371.2 +/- 58.1 MBq. Average count rate density of left ventricle ROI's and a standard ROI in the right lung were measured within three consecutive slices of 10.0 mm thickness. Heart-to-lung ratios were calculated in each volunteer and patient. Tracer uptake in the left ventricle could be measured in all of the five volunteers and the six patients. Heart-to-lung ratios in the volunteer group were not different from patients suffering from Parkinson's disease or MSA (3.2 +/- 0.5 vs 3.2 +/- 0.8 and 2.96+/-0.7, mean +/- SD), respectively. Human cardiac nicotinic acetylcholine receptors can be visualized and measured by 2-deoxy-2- [18F]fluoro-D-glucose-A85380 PET scans both in cardiac-healthy subjects and patients suffering from Parkinson's disease or multiple system atrophy. The heart- as well as the lung-tracer uptake was almost constant throughout all subjects leading to a good target-to-background ratio. These first results suggest no impact of either PD or MSA on cardiac nicotinic acetylcholine receptors.

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