Key result
18F-FDG PET/CT brain metabolism patterns differentiate epiphenomenal from real depression in chronic heart failure.
Why the study?
Depression is an important issue in HF, motivating investigation into whole-brain and regional brain glucose metabolism and its association with depression comorbidity.
Does 18F-FDG PET/CT brain glucose metabolism differentiate between 'epiphenomenal' and 'real' depression in chronic heart failure patients with impaired systolic function?
Observational
Does 18F-FDG PET/CT brain glucose metabolism differentiate between 'epiphenomenal' and 'real' depression in chronic heart failure patients with impaired systolic function?
18F-FDG PET/CT brain glucose metabolism patterns can help differentiate between 'epiphenomenal' and 'real' depression in patients with chronic heart failure and impaired systolic function.
May support PET/CT phenotyping of depression in HF; hypothesis-generating and requires prospective validation before any clinical use.
AIMS: Depression is an important issue in heart failure (HF). The study investigated whole-brain and regional brain glucose metabolism in HF patients and its association with depression comorbidity. METHODS AND CONCLUSION: F-FDG PET/CT. Depressed HF patients (Beck Depression Inventory score >13) exhibited different metabolic patterns that could be used to differentiate between 'epiphenomenal' and 'real' depression. Namely, presence of whole-brain hypometabolism suggested 'epiphenomenal' depression, whereas absence suggested 'real' depression. Presence of significant relative regional brain hypometabolism enhanced the likelihood of 'real' depression diagnosis.
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Lyra et al. (2020) conducted an observational in Chronic Heart Failure with Impaired Systolic Function. 18F-FDG PET/CT Brain Glucose Metabolism was evaluated on Differentiation between 'epiphenomenal' and 'real' depression. 18F-FDG PET/CT brain glucose metabolism patterns differentiated 'epiphenomenal' (>0.93) from 'real' (≤0.93) depression in chronic heart failure patients.
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