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Query: UMLS:C0268318 (ICP)
 10,007 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The number of children in this report treated with either TBW or exchange transfusions is small. Case mortality rates among children with Reye syndrome in Stage IV coma tends to be exceedingly high, varying from 50 to 100%. Intracranial pressure monitoring with the subarachnoid screw may have been an additional factor in increasing our survival data in three patients in the TBW group, since it provided continuous monitoring of ICP and allowed judicious administration of mannitol intravenously. Survival of five of six patients without neurologic sequelae in the present series has encouraged us to coninue utilization of TBW in children with Stage IV Reye syndrome.
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PMID:Hypothermic total body washout and intracranial pressure monitoring in Stage IV Reye syndrome. 83 85

In a series in 8 cats, cerebral perfusion pressure (CPP) was evaluated over a period of 5 min after production of an acute arterial hypertension. The mean percentual increase of blood pressure, CPP and ICP equalled 100%. the fact, that ICP does not play any role in acute hypertension, indicates that an abrupt elevation of filtration pressure within the capillaries must be the decisive factor leading to edema.
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PMID:The role of cerebral perfusion pressure as origin of brain edema in acute arterial hypertension. 85 71

It is not only for CSF-removal in conservative treatment of oedema and control of the effectiveness of osmo-onco-therapy, contricosteroids, anticholinergics and aldosterone-antagonists, that external CSF drainage in severe cerebral trauma has proved of value. It has also made it possible to assess objectively the indications for bitemporal craniotomy in raised intracrainial pressure with an acute midbrain syndrome caused by tentorial herniation. Continuous monitoring of ICP permits an intervention at the right time and prevents one from operating too late, namely at a moment, when manifest neurological signs already indicate cerebral decompensaervative steps failing, a bitemporal craniectomy is indicated: in this way we lower intracranial pressure, liberate the rostral brain stem out of its strangulation and improve cerebral perfusion and metabolism.
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PMID:[External ventricular drainage--a new aspect in the operative treatment of head injury (author's transl)]. 85 83

An elementary technique for discontinuously measuring intracranial pressure, ventricular chemistry, cellularity, and topography, employing percutaneous needle tapping of an implanted module consisting of a Rickham reservoir-ventricular catheter for the chronic monitoring of severe head injury patients is presented. The intracranial pathophysiological conditions (increased ICP, persistent CSF cellularity, xanthochromia and elevated protein levels, and hydrocephalus) occurring in seven so instrumental patients recovering from such injuries are reviewed. The simplicity, safety, and multidiagnostic capability of the system are emphasized.
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PMID:Chronic monitoring of head injury with an implantable ventricular module. 87 87

Five methods of therapy for increased ICP were used in the treatment of 32 head-injured patients. The effects of steroids could not be evaluated. Withdrawal of CSF was always effective because intracranial volume was reduced and pressure must follow, but because of brain swelling and collapse of the ventricular system in this group of patients, it was not an effective permanent form of therapy. Hypertonic Mannitol reduced ICP in nearly every case irrespective of the degree of brain damage or the height of ICP. Hyperventilation was least effective in the most severely ill patients, presumably due to the non-responsiveness of the cerebral vessels to changes in PaCO2. The poorest response of ICP seemed to be with hypothermia.
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PMID:Analysis of the response to therapeutic measures to reduce intracranial pressure in head injured patients. 93 13

The aim of this work was to evaluate the effect of hyperventilation and mannitol on brain volume during neurosurgical operations. The material comprises 30 cases of supratentorial tumours. pO2, pCO2, pH and lactate concentration were determined in the arterial blood and in 7 cases also in the CSF. It was established that hyperventilation sometimes fails to decrease ICP; it was observed that hyperventilation was more effective in decreasing brain volume of the pCO2 level decreased by 14,6 mm Hg on the average. The joint use of hyperventilation and hypertonic mannitol was found to be more effective. Neither of the above methods was effective in the case of cystic tumors.
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PMID:[Hyperventilation and mannitol administration during surgery in patients with space-occupying intracranial lesions]. 95 85

It is difficult to explain why rises in ICP provoke different types of response in superior sagittal sinus pressure. In most of our experimental animals there was close correlation between rises in ICP and SSSP. In the remainder, SSSP showed little increase when ICP rose. The animals with marked increase in SSSP showed a greater capacity for compensation for increased amounts of intracranial fluid.
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PMID:The effect of increased intracranial pressure on pressure in the superior sagittal sinus. 96 86

The authors present a four electrode rheographic technique for simiquantitative continuous measurement of CBV, by examining changes in cerebral tissue impedance induced by changes in blood content of the brain parenchyma. Correlation between the data obtained and ICP measurements permits conclusions regarding the behaviour of the cerebral blood bed. pCO2 regulates CBV, and the phenomenon is reversible according to a hystereris shaped time course in acute experiments. The rebound of ICP after sudden injections of CSF into the cisterna magna is of a vasogenic nature. Changes in CSF volume induce contrary changes in CBV. Pharmacological effects can be studied. The validity of the method is discussed.
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PMID:Rheographic assessment of cerebral blood volume and correlations with changes in intracranial pressure. 96 87

1. Patients with complications when compared with those not developing a complication: a. Were older, 44.4 vs. 34.5 years; b. Were monitored longer, 14.0 vs. 6.5 days; c. Were treated with steroids longer, 18.3 vs. 10.3 days; d. Were hospitalized longer, 35.7 vs. 27.7 days; e. Are twice as likely to die; f. Average age of those dying is older, 46 vs. 30 years; g. Have no clear relationship to antibiotics; h. Do not have a preponderance of single diagnostic category to account for these differences; i. Complications were always controlled with standard therapy; j. An ICP complication was almost never responsible, per se, for death. 2. Over all complication rate was 18%; due to monitoring was 4.5 to 11.5%. 3. Monitoring was responsible for, or contributed to, 25 to 60% of the complications. 4. No complications occurred when monitoring was discontinued within 3 days. 5. Long periods of treatment with steroids increased the risk of a complication developing. 6. Long periods of monitoring were associated with an increased risk of complication. 7. "Individual" factors are partly responsible for the development of a complication, and death. 8. There are two groups of complications: "early" and "late." A. Those most likely to be monitor related occur "late" and account for 35% of the complications. B. Those developing "early" infection account for 65% of the complications and are most likely caused by factors other than monitoring. While there are complications directly attributable to monitoring, the rate is low and they are readily controlled by standard neurosurgical management. While monitoring may increase the morbidity, it does not increase the mortality. We feel that the over-all risk is small and that the returns are great--both in terms of knowledge and patient benefit.
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PMID:ICP monitoring: complications and associated factors. 97 99

The Raman spectra of ICP (propham), CIPC (chlorpropham), carbaryl, EPTC (ethyl N,N-dipropyl (3-chlorophenyl) carbamate), pebulate, CDEC (2-chloroallyl diethyldithiocarbamate), thiram, maneb, zineb, ferbam, and nicotine have been recorded. These spectra are presented, along with tables giving values for the frequencies.
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PMID:Reference Raman spectra of eleven miscellaneous pesticides. 99 81


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