Light Intensity on Intensive Care Units - A Short Review
نویسنده
چکیده
It is well recognised that the critical care environment is disruptive to maintenance of circadian rhythm and sleep-wake cycle. The normal rhythmic 24 h profiles of physiological parameters are altered in critical care patients [1-5]. This is especially seen in septic patients [6-8]. Mechanical ventilation, sedation, severity of illness and the ICU environment (noise) may all cause circadian disruption. However, it is now clear that light is the most powerful environmental influence on the circadian clock [9] (Figure 1).
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