- 期刊
Serial Changes in Plasma Annexin A1 and Cortisol Levels in Sepsis Patients
並列摘要
Annexin A1 (AnxA1), originally identified as a glucocorticoid-regulated protein, is an important endogenous anti-inflammatory mediator during the resolution phase of inflammation, and its circulating level has been rarely studied in sepsis patients. Glucocorticoid has been extensively used in treating patients with sepsis. However, it is unclear whether endogenous cortisol or exogenous glucocorticoid contributes to the regulation of AnxA1 levels in peripheral blood of sepsis patients. The aim of this study was to investigate: [1] serial changes over time in the plasma levels of AnxA1 and cortisol in sepsis patients; and [2] prognostic value of AnxA1 level in the survival of sepsis patients. Fifty-eight adult sepsis patients admitted to an intensive care unit (ICU) were enrolled. The plasma levels of cortisol and AnxA1 were determined by specific enzyme-link immunosorbent assay. Results show that the median daily levels of cortisol at the 1st, 3rd, 5th and 7th day after admission to ICU were significantly elevated over the cortisol level of the control subjects. However, the AnxA1 level was elevated in only thirty-three patients (56%) over the observation period. There was no significant correlation between cortisol levels and AnxA1 levels. Further analysis indicated that steroid treatment resulted in significant elevation of the cortisol level over time, but did not affect the AnxA1 level. AnxA1 levels were also not statistically different between surviving and non-surviving patients. In conclusions, the circulating level of AnxA1 is elevated in a subgroup of sepsis patients, and the AnxA1 level does not correlate with the cortisol level in the peripheral blood of sepsis patients.
參考文獻
延伸閱讀
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