نتایج جستجو برای: intracranial pressure icp
تعداد نتایج: 455020 فیلتر نتایج به سال:
BACKGROUND Patients suffering head trauma are at high risk of having a concomitant cervical spine injury. A rigid cervical collar is usually applied to each patient until spinal stability is confirmed. Hard collars potentially cause venous outflow obstruction and are a nociceptive stimulus, which might elevate intracranial pressure (ICP). This study tested the hypothesis that application of a h...
AIM In traumatic brain injury (TBI) patients, it is desired to monitor the intracranial pressure (ICP) to assess the cerebral haemodynamics and guide the therapy. The study was designed to see if the pulsatility index (PI) measured by transcranial Doppler ultrasonography (TCD) predicts information about ICP values. MATERIAL AND METHODS In 52 TBI patients with Glasgow Coma Scale (GCS) score < ...
objective(s): brain edema is one of the most serious causes of death within the first few days after trauma brain injury (tbi). in this study we have investigated the role of shilajit on brain edema, blood-brain barrier (bbb) permeability, intracranial pressure (icp) and neurologic outcomes following brain trauma. materials and methods: diffuse traumatic brain trauma was induced in rats by dr...
Widely-varying published and presented analyses of the Benchmark Evidence From South American Trials: Treatment of Intracranial Pressure (BEST TRIP) randomized controlled trial of intracranial pressure (ICP) monitoring have suggested denying trial generalizability, questioning the need for ICP monitoring in severe traumatic brain injury (sTBI), re-assessing current clinical approaches to monito...
Introduction Ultrasound measurement of the optic nerve sheath diameter (ONSD) has been utilized as an indirect assessment of intracranial pressure (ICP). Currently, the normal ONSD is believed to be < 5 mm, whereas diameters above 6 mm are considered to reflect a clinically significant increase in ICP. Despite these standard values, the ONSD has never been compared with simultaneously measured ...
Objective: The physiological background for intracranial pressure, ICP, increase at brain compression is presently unknown. Current knowledge of the relationship between ICP and volume of brain compression is based on animal experiments, which has led to the theory of elastic brain tissue compression, which like a loaded spring causes the ICP increase. However, tests of brain tissue composition...
The object of this study was to determine if traumatic brain edema (BE) and increased intracranial pressure (ICP) reduce cerebral blood flow (CBF). Two groups of patients were studied, one with slight BE and ICP less than 20 mm Hg., the other with pronounced BE and ICP over 20 mm Hg. Although ICP was higher and cerebral perfusion pressure lower in pronounced edema there was only a small and non...
Adequate cerebral blood flow to each part of the brain is essential for its normal functioning as cerebral tissues are very intolerant of hypoxia. The cessation of cerebral blood flow/ circulation for a few minutes can produce permanent damage to the brain. In addition, the CBF determines the cerebral blood volume (CBV) which itself is the net result of cerebral arterial supply and venous drain...
OBJECTIVE To evaluate the effect of a stepwise increase in intra-abdominal pressure (IAP) on intracranial pressure (ICP) and to further define the pressure transmission characteristics of different body compartments. DESIGN A prospective, nonrandomized study. SETTING A multidisciplinary intensive care unit at a university medical center. PATIENTS Fifteen patients with moderate-to-severe h...
Urgent anticoagulation, despite the presence of acute cerebral hematoma, improves survival as well as the prognosis. Surgical decompression is a life-saving procedure and is required in a selected group of patients with considerable mass effect and elevated intracranial pressure (ICP). Endovascular thrombectomy is a novel approach to reduce the clot burden, achieve venous patency, and reduce ICP.
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