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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 126 (1994), S. 33-37 
    ISSN: 0942-0940
    Keywords: Cerebral aneurysm ; poor grade aneurysm ; early management ; outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Aneurysm surgery began in Lübeck only in 1986 when the department was completely reorganized. Early operation in the good grade patients (I–III, according to Hunt and Hess) was performed. In every case we also discussed the feasibility of operating on the poor grade patients (Hunt and Hess IV and V). During a five-year period (1986–1991) a total of 277 SAH patients were admitted to the department. 109 (39%) patients arrived in a poor grade (Hunt and Hess IV or V), 12 of these patients died within hours of admission. 25 patients, who presented with a large intracerebral and/or subdural haematoma, were urgently operated upon by haematoma evacuation and aneurysm clipping. An external ventricular drainage was performed on 72 patients. Of the ventriculostomy group 33 patients improved and 27 were operated upon. In 17 of the 39 patients without improvement after CSF-drainage we decided to operate. Overall 69 patients were surgically treated (craniotomy, aneurysm clipping) and 40 were not. The mortality rate in the surgical cases was 16 (23%) compared with 30 (75%) without operation. It is concluded that poor grade aneurysm patients can achieve a better outcome with active treatment based on immediate ventriculostomy and optimal haemodynamic parameters after haematoma evacuation and early occlusion of the aneurysm.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-5028
    Keywords: Petunia hybrida ; anthocyanin ; flower pigmentation ; flavonoid pathway ; A2 ; candi
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The synthesis of anthocyanins in higher plants involves many enzymatic steps. Here we describe the isolation and characterization of a cDNA, ant17, which encodes a protein that has 73% amino acid sequence identity with the candi gene product of Antirrhinum majus and 48% with that of the maize a2 gene. This protein may therefore be involved in the synthesis of anthocyanins in the steps after the action of dihydroflavonol 4-reductase. This is consistent with the absence of ant17 expression in the regulatory anthocyanin mutants of petunia an1, an2 and an11. Furthermore, ant17 is predominantly expressed in corollas and anthers and is induced by gibberellic acid.
    Type of Medium: Electronic Resource
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