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Abstract
Hypothalamic-pituitary-adrenal (HPA) axis function was examined in relation to suicidal
behavior in depression. There were no significant differences between depressed patients
who had or had not attempted suicide for either cerebrospinal fluid concentrations
of corticotropin-releasing hormone, plasma cortisol levels predexamethasone or postdexamethasone,
or for urinary-free cortisol outputs. However, depressed patients who had made a violent
suicide attempt had significantly higher 4 pm and maximum postdexamethasone plasma cortisol levels, and significantly more of them
were cortisol nonsuppressors than patients who had made nonviolent suicide attempts.
A 5-year follow-up was carried out. There were no significant differences on indices
of HPA function between depressed patients who did or did not reattempt suicide during
the follow-up or who had never attempted suicide. These results suggest the possibility
that dysregulation of the HPA axis may be a determinant of violent suicidal behavior
in depression.
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Article info
Publication history
Received in revised form:
May 29,
1992
Received:
February 26,
1992
Identification
Copyright
© 1992 Published by Elsevier Inc.