Table 3 Actigraphy and bispectral index studies of sleep in critical care patients
From: Clinical review: Sleep measurement in critical care patients: research and clinical implications
Authors (year) | Number of patients | Critical care population | Duration | Sedation | Number ventilated | Intervention monitored | Method/Practical difficulties |
|---|---|---|---|---|---|---|---|
Shilo et al. (1999) [34] | 14 | Medical | Continuous × 72 hours | Not stated, no opioids | Not stated | No | Actigraphy/None identified |
Shilo et al. (2000) [35] | 8 | Medical | Continuous × 72 hours | None | 4/8 | Yes – exogenous melatonin | Actigraphy/None identified |
Kroon and West (2000) [36] | 13 | Medical | 1 night | None | None | No | Actigraphy/None identified |
Nicholson et al. (2001) [37] | 29 (27 reported) | Medical/Surgical | 1 night | 23/27 received morphine and midazolam or propofol | 17/27 | No | Bispectral index/Two patients withdrew early in study |