HPA-axis hyperactivity and mortality in psychotic depressive disorder: Preliminary findings

被引:19
作者
Coryell, William [1 ]
Fiedorowicz, Jess [1 ]
Zimmerman, Mark [2 ]
Young, Elizabeth [3 ]
机构
[1] Univ Iowa, Carver Coll Med, Dept Psychiat, Iowa City, IA 52242 USA
[2] Brown Univ, Sch Med, Dept Psychiat, Providence, RI 02912 USA
[3] Univ Michigan, Dept Psychiat, Ann Arbor, MI 48109 USA
关键词
cardiovascular mortality; suicide; major depression with psychotic features; hypothalamic-pituitary-adrenal axis;
D O I
10.1016/j.psyneuen.2008.02.005
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: The excess mortality associated with depressive disorders has been most often attributed to risks for suicide but diverse findings indicate that depressive disorders also increase risks for cardiovascular (CV) mortality. Among the possible mediators is the hypothalamic-pituitary-adrenal (HPA)-axis hyperactivity that characterizes many cases of relatively severe depressive disorder and severity is characteristic of psychotic depressive disorder. Methods: The following describes a 17-year mortality follow-up of 54 patients with Research Diagnostic Criteria (RDC) psychotic major depression or schizoaffective, mainly affective, depression. All had baseline assessments that included a 1 mg dexamethasone suppression test with post-dexamethasone samples at 8 a.m., 4 p.m. and 11 p.m. Results: Regression analyses showed that both greater age and higher maximum post-dexamethasone cortisol concentrations predicted deaths due to CV causes (t = 4.01, p < 0.001 and t = 3.03, p = 0.004, respectively). The 4 who died from CV disease had a mean (SD) post-dexamethasone cortisol concentration of 18.0 (6.0) mu g/dl white the mean (SD) value for the remaining 50 patients was 7.6 (6.6) mu g/dl (t = 3.03, df = 53, p = 0.004). Regression analyses showed the 11 p.m. post-dexamethasone value to be predictive of suicide (t = 2.05, p = 0.048). Conclusions: Conclusions should be tentative because an earlier follow-up of a more heterogeneous, but larger, sample did not find a relationship between DST results and CV mortality, and because only 4 CV deaths occurred in the present study. HPA-axis hyperactivity is probably only one of a number of factors that link depressive disorder to CV mortality. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码:654 / 658
页数:5
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