Table 1.

Comparison of different ICP monitoring techniques.

Technique	Accuracy	Incidence of infection	Incidence of bleeding	Cost per patient	Miscellaneous
Invasive monitoring devices	High	Moderate to high	Low to moderate	High	Continuous bedside monitoring
Transcranial Doppler	Low	None	None	Low	Bedside monitoring; Inter observer variability high
Optic Nerve Sheath Diameter	Low	None	None	Low	Bedside monitoring; Inter observer variability high
MRI/CT scan	Low	None	None	Low	Potential to be used for screening
Fundoscopy	Low	None	None	Low	Bedside monitoring; may fail to detect sudden rise in ICP