Cerebral Blood Flow (CBF) Disturbances Following Traumatic Brain Injury

Status Completed

Clinical Trial Summary

It is a "proof of concept" study, aimed to evaluate whether the "optimal CPP", defined by the best PRx, corresponds to the acceptable CBF values in patients affected by CBF disfunction caused by TBI or SAH.

Clinical Trial Description

Cerebral blood flow (CBF) disturbances are common following TBI and SAH. The occurrence of CBF derangements is detrimental for the neurological outcome in both settings, but the management of neurologically critically ill patients does not involve CBF measure routinely. Cerebrovascular autoregulation, can be assessed by the cerebrovascular pressure-reactivity index (PRx) that point out the response of ICP to spontaneous changes in arterial blood pressure (ABP). Autoregulation has been proven to be a powerful protective mechanism. Adding together the information on CBF and autoregulation, might drive clinical strategy in exceptionally noteworthy and innovative way. Currently, a novel Thermal Diffusion (TDP) microprobe has been introduced for the continuous bedside monitoring of regional CBF: TDP is a promising technique in the reliable detection of flow derangements at the patient's bedside.

It is a "proof of concept" study, aimed to evaluate whether the "optimal CPP", defined by the best PRx, corresponds to the acceptable CBF values.

Patients admitted with the diagnosis of TBI and SAH in for whom ICP and CPP needs to be monitored on clinical ground will be also monitored with a TD probe and routinely tested for cerebral autoregulation, thus obtaining the CBF corresponding at a given the "best CPP" and autoregulation status.

Continuous CBF measures and PRx monitoring may allow more accurate identification and early detection of adverse cerebral conditions. This approach may bring us a step closer to the goal of outcome improvements in patients suffering from intracranial insult. ;

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00807833
Study type	Observational
Source	Azienda Ospedaliera San Gerardo di Monza
Contact
Status	Completed
Phase	N/A
Start date	February 2009
Completion date	December 2011

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Cerebral Blood Flow (CBF) Disturbances Following Traumatic Brain Injury (TBI) and Subarachnoid Hemorrhage (SAH)

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms