Mentions: During surgery melatonin levels were below the minimum sensitivity level in most patients, but low levels, without circadian variation, were measured during the first postoperative night in some patients (n = 7; Fig. 1). Circadian secretion was observed on the third postoperative night, irrespective of whether the patient was on the ward (n = 6) or in the intensive care unit (ICU; n = 3; Fig. 1). However, the peak level of melatonin was observed 3 h later in patients who remained in the ICU (Fig. 1).
No MeSH data available.