Why the study?
Does 123I-MIBG scintigraphy detect altered cardiac sympathetic nerve function in athletes compared to normal subjects?
Population
48 subjects total: 25 athletes referred for ECG abnormalities, ventricular premature complexes, chest pain…
Comparison
123I-Metaiodobenzylguanidine scintigraphy at a… vs Normal subjects undergoing the same 123I-MIBG…
Design
Cross-sectional, 123I-MIBG scintigrams were read by 2 independent experts for…
Authors
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May indicate sympathetic remodeling in athletes; hypothesis-generating and should not yet alter clinical management.
Does 123I-MIBG scintigraphy detect altered cardiac sympathetic nerve function in athletes compared to normal subjects?
Prolonged exercise training in athletes is associated with altered cardiac sympathetic nerve function, characterized by reduced 123I-MIBG uptake and increased washout rates.
Matsuo et al. (2001) studied this question.
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