Introduction
Functional Hypothalamic Amenorrhea (FHA) has been associated with excessive-chronic stress, eating disorders and weight loss. A common feature is the increased serum cortisol, but its measurement has many limitations. Currently, salivary cortisol (SC) has been proposed as a more sensitive and adequate index.
Aim
To investigate the SC alterations through a 24-hour period and the possible correlation with the severity of stress in women with FHA.
Methods
Between July 2019 and March 2021, 12 FHA women and 12 healthy controls of comparable age were included. Psychological, eating and physical abnormalities were evaluated by applying equivalent validated self-questionnaires.
Results
No significant differences were found between FHA women and healthy individuals with respect to morning (8:00 am) serum cortisol and ACTH (522.5±155.3 vs 443.1±138.4; p=0.23 and 37±47.7 vs 17.4±10.2;p=0.18 respectively). Women with FHA had statistically significant higher morning SC compared to control subjects (21.81±5.63 nmol/l vs 12.76±3.64 nmol/l;p<0.0001), while no significant differences were found regarding the afternoon (4:00 pm) and midnight (12:00 am) SC. A significant positive correlation was found between morning SC and morning serum cortisol (r=0.532,p=0.007), as well as with EAT-26 (r=0.527,p=0.008) and HADS-Anxiety score (r=0.471,p=0.02). Additionally, a significant negative correlation between morning SC and BMI was observed (r=-0.53, p=0.009).
Conclusion
Compared to serum cortisol, SC seems to express better the hypercortisolemic state of women with FHA and correlates well with the underlying contributing factors. Larger studies are needed in order to confirm these results and validate the optimal SC cut-off value associated with the development of FHA.
Introduction Functional Hypothalamic Amenorrhea (FHA) has been associated with excessive-chronic stress, eating disorders and weight loss. A common feature is the increased serum cortisol, but its measurement has many limitations. Currently, salivary cortisol (SC) has been proposed as a more sensitive and adequate index. Aim To investigate the SC alterations through a 24-hour period and the possible correlation with the severity of stress in women with FHA. Methods Between July 2019 and March 2021, 12 FHA women and 12 healthy controls of comparable age were included. Psychological, eating and physical abnormalities were evaluated by applying equivalent validated self-questionnaires. Results No signi cant differences were found between FHA women and healthy individuals with respect to morning (8:00 am) serum cortisol and ACTH (522.5±155.3 vs 443.1±138.4; p=0.23 and 37±47.7 vs 17.4±10.2;p=0.18 respectively). Women with FHA had statistically signi cant higher morning SC compared to control subjects (21.81±5.63 nmol/l vs 12.76±3.64 nmol/l;p<0.0001), while no signi cant differences were found regarding the afternoon (4:00 pm) and midnight (12:00 am) SC. A signi cant positive correlation was found between morning SC and morning serum cortisol (r=0.532,p=0.007), as well as with p=0.008) and HADS-Anxiety score (r=0.471,p=0.02). Additionally, a signi cant negative correlation between morning SC and BMI was observed (r=-0.53, p=0.009). Conclusion Compared to serum cortisol, SC seems to express better the hypercortisolemic state of women with FHA and correlates well with the underlying contributing factors. Larger studies are needed in order to con rm these results and validate the optimal SC cut-off value associated with the development of FHA.
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