Association of serum cortisol with critical illness scoring and prognosis in intensive care unit

S Hashemi pour; F Azizi; B Mehrtash; N Mohammadi; M Sarreshtehdari; MR Sarokhani

Journal of Inflammatory Diseases

The Official Journal of Qazvin University of Medical Sciences

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Association of serum cortisol with critical illness scoring and prognosis in intensive care unit

Author(s):

S Hashemi pour^1,*,

F Azizi,

B Mehrtash,

N Mohammadi,

M Sarreshtehdari,

MR Sarokhani

1, Qazvin University of Medical Sciences, Qazvin ,Iran

Journal of Inflammatory Diseases:Vol. 16, issue 2; 10-15

Article type:Research Article

How to Cite:Hashemi pour S, Azizi F, Mehrtash B, Mohammadi N, Sarreshtehdari M, et al. Association of serum cortisol with critical illness scoring and prognosis in intensive care unit.J Inflamm Dis.16(2):e155690.

Abstract

Background: The prevalence of adrenal insufficiency and association of serum cortisol with prognosis in intensive care unit patients is controversial. Some studies have shown a direct association between serum cortisol and bad prognosis while in other studies no such association has been made. Objective: This study was designed to evaluate the association between serum cortisol and prognosis of patients in intensive care unit. Methods: This was a cross-sectional study performed on intensive care unit patients of Bou-Ali teaching hospital in Qazvin (Iran) in 2009. Serum cortisol levels were measured before and after injection of cosyntropin. Basal cortisol level below 441 nmol/l was interpreted as adrenal insufficiency. In patients with serum cortisol between 441 and 938 nmol/l following injection of cosyntropin the level of serum cortisol was re-measured after 60 min. Patients with serum cortisol response less than 255 nmol/l were interpreted as having partial adrenal insufficiency. Later, patients were divided into 4 groups based on APACHE scoring system. Association of serum cortisol with APACHE score, hypotension, intubation, and mortality was evaluated. Findings: Of 60 patients under study, none found to have adrenal insufficiency. Serum cortisol was independently associated with mortality, hypotension, and intubation. Conclusion: Based on results found through this study, Adrenal insufficiency was not common in ICU patients and serum cortisol could be used as a predictor of prognosis.

Keywords

Adrenal Insufficiency

Cortisol

Intensive Care Unit

Prognosis

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