The International journal of eating disorders · 2020
Preliminary examination of insulin and amylin levels in women with purging disorder.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Maske Calyn B, Williams Diana L, Keel Pamela K
Аннотация
OBJECTIVE: This preliminary study explored whether differences in meal-stimulated insulin or amylin release are linked to altered ingestive behaviors in individuals with bulimia nervosa (BN) or purging disorder (PD).
METHOD: Women with BN (n = 15), PD (n = 16), or no eating disorder (n = 18) underwent structured clinical interviews and assessments of gut hormone and subjective responses to a fixed test meal. Multilevel model analyses were used to explore whether gut hormone responses contribute to subjective responses to the test meal and whether these associations differed by group.
RESULTS: Insulin and amylin levels significantly increased following the test meal. Women with PD showed greater insulin release compared to those with BN, but not controls. Multilevel models support significant group X insulin interactions predicting subjective ratings of nausea and urge to vomit, with a stronger association between higher insulin responses and higher nausea and urge to vomit in women with PD and BN. Amylin responses did not differ by group.
CONCLUSION: Increased sensitivity to the effects of insulin on nausea and urge to vomit may be linked to purging in both PD and BN. Differences in postprandial insulin levels may be linked to purging behavior in the absence versus presence of binge eating.
METHOD: Women with BN (n = 15), PD (n = 16), or no eating disorder (n = 18) underwent structured clinical interviews and assessments of gut hormone and subjective responses to a fixed test meal. Multilevel model analyses were used to explore whether gut hormone responses contribute to subjective responses to the test meal and whether these associations differed by group.
RESULTS: Insulin and amylin levels significantly increased following the test meal. Women with PD showed greater insulin release compared to those with BN, but not controls. Multilevel models support significant group X insulin interactions predicting subjective ratings of nausea and urge to vomit, with a stronger association between higher insulin responses and higher nausea and urge to vomit in women with PD and BN. Amylin responses did not differ by group.
CONCLUSION: Increased sensitivity to the effects of insulin on nausea and urge to vomit may be linked to purging in both PD and BN. Differences in postprandial insulin levels may be linked to purging behavior in the absence versus presence of binge eating.