' X Abstract We investigated an intracranial pressure (ICP) estimation method based on aqueductal cerebrospinal fluid (CSF) flow rate measurements from cine phase-contrast MR images. A fluid dynamics model is provided that relates CSF flow rate change to the elastance index, which is a parameter proportional to the ICP. Experimental results from 8 patients with clinical diagnosis of increased I...

in recent years, the usefulness of intracranial pressure (icp) monitoring has been questioned in several reports for traumatic brain injury (tbi) management. therefore the needs of multidisciplinary groups of discussion of neurosurgeons and neurointensivists to update practical applications of icp in severe adult tbi has been advocated in many parts of the world. a consensus conference was held...

A recent study has reported an excellent correlation between intraocular pressure (IOP) and intracranial pressure (ICP), suggesting that measurement of IOP may serve as a noninvasive means to determine ICP. To reexamine the relation between IOP and ICP, we reviewed the medical records of all patients who underwent lumbar puncture between 1991 and 2007 in the neuro-ophthalmology clinic at the Un...

BACKGROUND A recent development in non-invasive techniques to predict intracranial pressure (ICP) termed venous ophthalmodynamometry (vODM) has made measurements in absolute units possible. However, there has been little progress to show utility in the clinic or field. One important application would be to predict changes in actual ICP during adaptive responses to physiologic stress such as hyp...

Intracranial hypertension (ICH) was systematized in four categories according to its aetiology and pathogenic mechanisms: parenchymatous ICH with an intrinsic cerebral cause; vascular ICH, which has its actiology in disorders of cerebral blood circulation: ICH caused by disorders of cerebro-spinal fluid dynamics and idiopathic ICH. The increase of intracranial pressure is the first to happen an...

After closure of the cranial fontanelles and sutures by 2 to 3 years of age, the skull is a rigid container of fixed volume. The intracranial contents constitute the brain bulk (80%), blood volume (10%), and cerebrospinal fluid (CSF) (10%). According to the Monro-Kellie doctrine, intracranial volume is equal to the volume of the brain bulk, blood, CSF, and other mass lesions. Therefore, an incr...

Intracranial pressure (ICP) is affected in many neurological conditions. Clinical measurement of pressure on the brain currently requires placing a probe in the cerebrospinal fluid compartment, the brain tissue, or other intracranial space. This invasiveness limits the measurement to critically ill patients. Because ICP is also clinically important in conditions ranging from brain tumors and hy...

TO THE EDITOR: A recent study by Hamilton et al. (4) proposes that aqueductal cerebrospinal fluid (CSF) stroke volume (ASV) is significantly associated with the width of the second peak of the intracranial pressure (ICP) waveform in normal pressure hydrocephalus. Existing evidence and current understanding of ICP physiology do not support a mechanistic link between aqueductal CSF flow and ICP d...

Introduction In a recent paper, the intracranial pressure-time burden associated with worse outcome in traumatic brain injury (TBI) patients was visualised in a color-coded plot [1]. This color-coded plot illustrates the intuitive concept that episodes of higher intracranial pressure (ICP) can only be tolerated for shorter durations: the transition curve that delineates the duration and intensi...

Retrospective and prospective studies looking at the role of cerebrospinal fluid pressure (CSFP)/intracranial pressure (ICP) have stimulated new theories and hypotheses regarding the underlying causal events for glaucoma. Most recently, studies supporting a low CSFP/ICP as a risk factor for glaucoma have been published. This review summarizes the current understanding of CSFP/ICP and its potent...