1996
DOI: 10.1016/s1071-3581(96)90022-7
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Doxorubicin-induced cardiac neurotoxicity: Study with iodine 123-labeled metaiodobenzylguanidine scintigraphy

Abstract: 123I-MIBG cardiac uptake decreases in a doxorubicin dose-dependent way, indicating a cardiac adrenergic neurotoxic effect of doxorubicin. This phenomenon appears early and generally before deterioration of the ejection fraction.

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Cited by 39 publications
(23 citation statements)
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“…37 Abnormal 123 I-MIBG uptake occurs in patients receiving anthracyclines, 38 with significantly lower H/P ratios observed with higher cumulative anthracycline dose (Figure 3). 39,40 Although a drop in H/P ratio among those receiving higher cumulative doses precedes a drop in LVEF, abnormal uptake in patients receiving low-to-medium anthracyclines also occurs. 40 This may be a promising method to detect early anthracycline injury; however, further studies are needed to quantify what interval decrease in uptake portends excessive risk of future LV dysfunction with or without continued treatment, and whether this method is applicable at lower cumulative doses.…”
Section: Radionuclide Imagingmentioning
confidence: 99%
“…37 Abnormal 123 I-MIBG uptake occurs in patients receiving anthracyclines, 38 with significantly lower H/P ratios observed with higher cumulative anthracycline dose (Figure 3). 39,40 Although a drop in H/P ratio among those receiving higher cumulative doses precedes a drop in LVEF, abnormal uptake in patients receiving low-to-medium anthracyclines also occurs. 40 This may be a promising method to detect early anthracycline injury; however, further studies are needed to quantify what interval decrease in uptake portends excessive risk of future LV dysfunction with or without continued treatment, and whether this method is applicable at lower cumulative doses.…”
Section: Radionuclide Imagingmentioning
confidence: 99%
“…The extravesicular concentration of 123 I-MIBG decreases rapidly, whereas the in-travesicular concentration remains relatively constant. The concentration plateaus after 4 h, indicating the adrenergic neuron terminal concentration (82). Therefore, the 123 I-MIBG uptake at 4 h after injection is used to explore specific neuron injury and impairment of the norepinephrine uptake function.…”
Section: I-labeled Mibg Scintigraphymentioning
confidence: 99%
“…resulting in increased competitive inhibition at the reuptake transport protein site (Lekakis et al, 1996;Higuchi & Schwaiger, 2006) and 4) direct irreversible adrenergic neuron damage (Wakasugi et al, 1993;Gupta & Amanullah, 2014). resulting in increased competitive inhibition at the reuptake transport protein site (Lekakis et al, 1996;Higuchi & Schwaiger, 2006) and 4) direct irreversible adrenergic neuron damage (Wakasugi et al, 1993;Gupta & Amanullah, 2014).…”
Section: Variablementioning
confidence: 99%