Tuberc Respir Dis > Volume 62(4); 2007 > Article
Tuberculosis and Respiratory Diseases 2007;62(4):308-313.
DOI:    Published online April 1, 2007.
Correlation of Nitric Oxide and Corticosteroids Along the Course of Sepsis.
Keu Sung Lee, Young Sun Kim, Hyoung No Lee, Joo Hun Park, Yoon Jung Oh, Seung Soo Sheen, Young Hwa Choi, Kwang Joo Park, Sung Chul Hwang
Department of Pulmonary and Critical Care Medicine, Ajou University School of Medicine, Suwon, Korea.
The nitric oxide (NO) released by inducible NO synthase (iNOS) plays an important role in the pathophysiology of sepsis. Corticosteroids also play a role in the hemodynamic and inflammatory reactions in sepsis. Both have been shown to have a relationship theoretically, but their correlation and clinical impacts have rarely been evaluated. METHODS: 26 patients with sepsis and 14 healthy controls were enrolled in this study. The initial random plasma total NO and the serum cortisol levels were measured. The same measurements were serially carried out on the 3rd, 5th, and 7th days. RESULTS: The initial total plasma levels of NO and cortisol were higher in the patients with sepsis than in the healthy controls. The total NO levels were higher in patients with severe sepsis than in the those with mild sepsis. There was a correlation between the total NO and cortisol level throughout the study. CONCLUSION: In patients with sepsis, the levels of plasma NO and cortisol were well correlated during the first week of sepsis, which suggests an interrelationship. However, the clinical and pathogenetic implications await further evaluation.
Key Words: Sepsis, Septic shock, Nitric oxide, Nitric oxide synthase, Corticosteroids, Cortisol, Correlation

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