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07.08.2018 | Review Article

Variances of dietary preparation for suppression of physiological 18F-FDG myocardial uptake in the presence of cardiac sarcoidosis: A systematic review

Zeitschrift:
Journal of Nuclear Cardiology
Autoren:
BHlthSc (NutrDiet) Vanessa Atterton-Evans, BMRSc (NucMed) James Turner, BSc, GradDipNutrDiet, MSc, DHlthSc Angela Vivanti, BSc, MNutrDiet Tayla Robertson
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s12350-018-1379-4) contains supplementary material, which is available to authorized users.
The authors of this article have provided a PowerPoint file, available for download at SpringerLink, which summarises the contents of the paper and is free for re-use at meetings and presentations. Search for the article DOI on SpringerLink.com.

Abstract

Background

18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET) is used in the diagnosis and management of patients with cardiac sarcoidosis (CS). Various preparation protocols have been proposed to minimise myocardial 18F-FDG uptake and improve scan readability. The aim of this systematic review was to identify the optimal dietary prescription for suppression of physiological 18F-FDG myocardial uptake to enhance clinical diagnosis of CS.

Methods and Results

MEDLINE and PubMed databases identified 13 studies meeting inclusion criteria for review. Articles were assessed using the Australian National Health and Medical Research Council levels of evidence and categorised as sarcoidosis (human) or non-sarcoidosis (human, animal). Visual uptake scales (qualitative) and/or standardised uptake values (SUV) (quantitative) were used in all the studies reviewed. Nine of 11 human studies showed statistically significant improvements in PET scan interpretation with carbohydrate-restricted diets compared with fasting only, and when carbohydrates were restricted for a longer period of time. Two animal studies showed statistically significant improvements following very low carbohydrate diet preparation (0.01% and 0.4% carbohydrate diets) compared with higher carbohydrate diets.

Conclusions

Variation in measures used, dietary prescriptions, fasting times, species and study quality makes result comparison and applicability difficult. Definitive dietary recommendations are not possible based on current evidence.

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Zusatzmaterial
Supplementary material 1 (PPTX 136 kb)
12350_2018_1379_MOESM1_ESM.pptx
Literatur
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