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  • 1
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    German Medical Science GMS Publishing House; Düsseldorf
    In:  67. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), 1. Joint Meeting mit der Koreanischen Gesellschaft für Neurochirurgie (KNS); 20160612-20160615; Frankfurt am Main; DOCDI.11.06 /20160608/
    Publication Date: 2016-06-17
    Keywords: decompressive craniectomy ; traumatic brain injury ; children ; ddc: 610
    Language: English
    Type: conferenceObject
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  • 2
    ISSN: 0942-0940
    Keywords: Age ; Doppler velocimetry ; subarachnoid haemorrhage ; vasospasm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A retrospective analysis was undertaken to determine whether cerebral vasospasm following subarachnoid haemorrhage (SAH) correlates with the age of patients. For at least 3 weeks after bleeding 80 subjects underwent very close follow-up with clinical examination and transcranial Doppler records of the blood velocities within the basal cerebral arteries. Firstly a correlation between measured maximal mean blood flow velocities and age was made. Secondly, according to their age and the maximum of recorded mean velocitites (v), the patients were divided into groups as follows: age 55 years or less, age more than 55 years; and maximum velocity v1〈90cm/s, 90cm/s〈v2〈120cm/s, 120cm/s〈v3〈160cm/s, v4〉160cm/s. There was a significant correlation of the measured maximum mean velocities and the age of the patients (r =−0.525, p〈0.01). With regard to the velocity groups there was a significant (chisquared statistic for contingency tables, p〈0.01) difference between both age-groups: 32% (n=18) of the younger fell into group v4 with maximum mean velocities of more than 160cm/s, but none of the older had such. Vice versa, 63% (n=15) of the older compared with only 14% (n=8) of the younger fell into group v1 with maximum mean velocities of less than 90 cm/s. Clinical follow-up also depicted differences between both age groups. 13 of 18 younger patients with maximum mean velocities 〉160 cm/s exhibited symptomatic vasospasm with a delayed neurological deficit. This typical course did not occur in the older age group. We conclude from this analysis that the increase of blood velocity in the basal cerebral arteries following subarachnoid haemorrhage depends on the age of the patient. Furthermore, young patients will be more prone to a delayed ischaemic deficit. On the other hand, older patients may also suffer ischaemic deficits following subarachnoid haemorrhage but often without measurable vasospasm according to transcranial Doppler criteria and without the typical delayed appearance.
    Type of Medium: Electronic Resource
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