Journal
ANESTHESIA AND ANALGESIA
Volume 101, Issue 6, Pages 1873-1876Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1213/01.ANE.0000184196.60838.8D
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Measurement of stress hormones is a common objective method for assessment of mental stress. However, the stress of blood sampling alone may also increase stress hormone levels. In the present study, we sampled salivary biomarkers from healthy volunteers under noninvasive conditions and determined their efficacy to assess mental stress. Specifically, we examined the relationship between State Anxiety Inventory score (STAI-s) in subjects exposed to arithmetic stress and salivary chromogranin-A, a-amylase, or cortisol. The STAI-s was significantly correlated to salivary a-amylase (r = 0.589; P < 0.01) but not to salivary chromogranin-A or cortisol. Therefore, salivary a-amylase is a useful indicator of psychosocial stress.
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