Optic Nerve Sheath Diameter Ultrasound Evaluation in Intensive Care Unit: Possible Role and Clinical Aspects in Neurological Critical Patients’ Daily Monitoring

Table 1

ONSD mean values (cm ± SD) in controls (CTRL), in neurological patients before brain death (pre-BD), after brain death (after BD) and in the 2 patients with brain death and decompressive craniectomy. Intracranial pressure values are also reported (ICP, mmHg).

	CTRL	Pre-BD	ICP	After BD	ICP	BD + craniectomy
Right	0.45 ± 0.03	0.54 ± 0.02	7 ± 2	0.7 ± 0.02	38 ± 9.4	0.56 ± 0.03
Left	0.45 ± 0.02	0.55 ± 0.02		0.71 ± 0.02		0.58 ± 0.04