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  • 1
    Keywords: SURVIVAL ; tumor ; THERAPY ; FOLLOW-UP ; LONG-TERM ; SURGERY ; PATIENT ; IMPACT ; RESECTION ; GLIOMAS ; MANAGEMENT ; ADULT ; REGRESSION ; THERAPIES ; GLIOMA ; methods ; LONG ; LOW-GRADE GLIOMA ; multivariate analysis ; EXTENT ; surgical resection ; LOW-GRADE ; PROGRESSION-FREE SURVIVAL ; outcome ; Low grade gliomas ; A ; randomized studies
    Abstract: Purpose: The appropriate management of low-grade gliomas is still a matter of debate. So far, there are no randomized studies that analyze the impact of surgical resection on patient outcome. The value of the data obtained from the few retrospective reports available is often limited. Patients and methods: In the present study, we performed an analysis on data of 130 adult low-grade glioma patients. Extent of the resection was evaluated in correlation to the overall survival (OS) and progression-free survival (PFS) using Cox regression multivariate analysis. Results: Extended surgery was shown to prolong OS and PFS significantly. Re-surgery in the case of a tumor relapse has a significant impact on OS and PFS, too. Conclusions: In summary, we could retrospectively evaluate a large case series of well-defined low-grade gliomas patients with a long follow-up period showing that extended surgery would be the most effective therapy for low-grade glioma patients even in recurrent diseases.
    Type of Publication: Journal article published
    PubMed ID: 19730773
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  • 2
    ISSN: 0942-0940
    Keywords: Brain contusion ; contusion volume ; quantitative assessment, CT ; CSF-CKBB clearance ; outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In order to evaluate if it is practically possible to assess the volume of contused brain tissue from the CT pictures, a comparison has been carried out between the size of the cerebral contusion(s)-as estimated from the CT scans-and the post-traumatic CSF-CKBB activity, in a series of 29 patients with severe head injury. A clearance curve for the elimination of CKBB from the CSF was constructed. The relation between contusion volume and CSF-CKBB-activity was not statistically significant, while the relationships between contusion volume and outcome, and between CSF-CKBB, as estimated at 6 hours after trauma from the clearance curve, and outcome, were.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0942-0940
    Keywords: Head injury ; neurosurgical intensive care ; clinical outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The present study compares the clinical outcome, as expressed by the Glasgow outcome scale, of two groups of severely head injured patients treated before (49 patients) and after (72 patients) the establishment of a neurosurgical intensive care (NIC) unit at the department of neurosurgery, Uppsala University Hospital. The number of “good recoveries” increased significantly after the establishment of the NIC. This was confirmed by univariate analysis (p〈0.05) and by multivariate analysis using the logistic regression model to adjust for differences between the two groups of patients (p〈0.05, p〈0.005). The most striking improvement was found in patients with a Glasgow coma motor score (GCS M)⩾4 on admission. In this subgroup of patients the “good recoveries” increased from 15% to 52%. The object of NIC is basically to prevent or minimize secondary brain damage, and it seems logical that the effect of such care is most obvious in GCS M⩾4 patients in whom a good outcome can be anticipated if secondary damage can be prevented or minimized. In conclusion, the present study shows that improved clinical outcome after severe head injury can be achieved by organizing an NIC unit with a well trained staff capable of providing this care 24 hours a day using established methods of surveillance and treatment.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 0942-0940
    Keywords: Unruptured aneurysm ; operation ; indication ; outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The authors report a series of 37 cases of unruptured aneurysms, admitted and operated upon over a 5 year period (1985–1990), which represents an incidence of 18% of the total number of aneurysm patients operated upon during this period. These unruptured aneurysms were discovered in 4 types of circumstances: 1) Associated with a ruptured aneurysm but treated in a second procedure (9 cases); 2) After a transient ischaemic attack (6 cases); 3) After a cerebral haemorrhage of a different origin (3 cases), 4) After the onset of various neurological symptoms other than SAH (19 cases). Giant aneurysms (over 2.5 cm in diameter) are excluded from this series. Overall these 37 patients harboured 52 aneurysms, and 1 patient was operated upon on both sides. 27 aneurysms (52%) were located on the right side, 15 (29%) on the left side, and 10 (19%) on the midline. In the immediate post operative period, 1 patient died (2.6%) and 8 patients (21%) presented various complications. The outcome at 6 months was: death 2.6%, moderately disabled 8%, good recovery 89%. The arguments in favour of, or against, the surgical treatment of unruptured aneurysms are discussed in view of the literature. In favour of prophylactic surgery are: 1) The rather poor overall outcome following aneurysm rupture (including deaths before admission); 2) The rather good outcome of surgery in published series of unruptured aneurysms. The data of the natural history of the unruptured aneurysm are more questionable: in this view, surgery seems to be recommended in young patients with an easily accessible aneurysm and being in a good clinical condition. Several contra indications should be strictly accepted: severe associated diseases, age (over 65 and sometimes over 60), patient's refusal or reluctance. In cases of unruptured aneurysms to be operated upon in a second procedure after a ruptured aneurysm, the authors usually wait for 2 months or more before the second operation.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 0942-0940
    Keywords: Head injury ; barbiturate therapy ; outcome ; cognitive impairment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This study reports on clinical outcome in 38 patients with severe head injuries (posttraumatic coma for 6 hours or more) treated with barbiturate coma because of intracranial hypertension. Eighteen patients died, 4 patients remained in a severely disabled or a chronic vegetative state, and 16 patients reached the levels good recovery/ moderate disability. Six of these patients returned to work or school full time, 4 for half time and 3 were in a rehabilitation program. Fourteen patients were subjected to a comprehensive neuropsychological assessment. All patients except one exhibited varying degrees of cognitive dysfunction and 6 patients had signs of personality change. The quality of life for the majority of surviving patients was relatively good but the positive effects of barbiturate coma therapy in the age groups over 40 years appeared to be limited.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 0942-0940
    Keywords: Cerebellar haemorrhage ; computerized tomography ; obstructive hydrocephalus ; managament ; outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The records of 50 cerebellar haemorrhages were reviewed retrospectively. In this series the most important factor for clinical development, management and mortality was the presence of obstructive hydrocephalus (p〈0.01). Slowly progressive (type 1) and abruptly developing (type 2) deterioration of consciousness was significantly related to high mortality; this holds also true for the combination of hydrocephalus with an haematoma diameter 〉 3 cm. Larger haematomas had a higher mortality but this relation, analyzed alone, did not reach statistical significance (p〉0.05). In cases with hydrocephalus mortality could significantly be reduced by surgical evacuation of the haematoma (p〈0.01). The treatment of cerebellar haemorrhages must be directed at resolving obstructive hydrocephalus.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 0942-0940
    Keywords: Lumbar disc herniation ; re-operation ; recurrent disc herniation ; scar formation ; diagnostic methods ; outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Out of a series of 1850 cases operated upon for lumbar disc herniation 130 underwent re-operation because of persistent or recurrent symptoms. Re-operation was successful in 62%. The prognosis of re-operation was not related to special clinical symptoms and signs but only to the operative findings. Herniations at other levels and recurrences of lumbar disc herniations had the best results (excellent in 98% respectively 54%), but scar formations alone came out much less satisfactory (only 38% excellent results). Computed tomography (CT) findings were less reliable in distinguishing between disc prolapse and fibrosis than magnet resonance imaging (MR). Therefore MR is the diagnostic method of choice in these conditions, and scar formations alone should be considered a contra-indication for re-operation.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 0942-0940
    Keywords: Head injury ; epidural haematoma ; posterior fossa ; conservative treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In order to assess whether the indications for conservative treatment of supratentorial epidural haematomas are applicable also to posterior fossa epidural haematomas (PFEDH), the author reviewed the records of 25 patients. With a PFEDH volume of no more than 10 ml, a thickness of no more than 15 mm, a midline shift of no more than 5 mm, and in the absence of a significant intracranial haematoma elsewhere on computed tomography (CT) scans, the patients undergoing conservative treatment achieved the same excellent outcome as those undergoing early surgery. These CT criteria for conservative treatment of PFEDHs are similar to those of supratentorial epidural haematomas except the volume factor, namely, 10 ml in the former against 30 ml in the latter. That means a PFEDH of 10 ml or larger in the small posterior fossa may produce the same degree of midline shift and compression, and be as dangerous as an epidural haematoma of 30 ml or larger in the more capacious supratentorial compartment. But also for epidural haematomas of the posterior fossa, which initially are smaller than 10 ml, the general rule remains valid that they should be under close clinical supervision
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 0942-0940
    Keywords: Head injury ; cerebral perfusion pressure ; arterial hypotension ; raised intracranial pressure ; outcome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A group of 74 patients with head injury (54 severe, 17 moderate and 3 minor) had continuous monitoring of both arterial and intracranial pressure with computer-based registration of these pressures, cerebral perfusion pressure and other vairables. In 60 patients cerebral perfusion pressure CPP fell below 60 mm Hg for periods of 5 minutes or longer. The distribution over time of these reductions in CPP during up to 12 days of monitoring was studied, and each episode of reduced CPP was attributed to a fall in arterial pressure, an increase in intracranial pressure, or both. Two clusters of reduced CPP were found, one during the first 24 hours of monitoring, when reduced CPP was mainly caused by a reduction in arterial pressure, and the other at 5 or 6 days after injury, when reduced CPP was due mainly to an increase in intracranial pressure. There was a significant correlation between low CPP due to reduced arterial pressure and the Injury Severity Score (p〈0.001), suggesting that resuscitative measures may have been less than optimal in these cases. There was also significant correlation between the duration of low CPP and low arterial pressure and an adverse outcome from injury as assessed at 6, 12 and 24 months after injury (p〈0.001). It is recommended that in patients with severe and significant head injury who require monitoring, this should include both arterial and intracranial pressure, be continued for at least 6 days, that cerebral perfusion pressure should be displayed and recorded, and that particular attention is paid to detecting and correcting even small reductions in arterial pressure, especially those that reduce CPP below 60 mm Hg.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 0942-0940
    Keywords: Head injury ; outcome ; Glasgow Coma Scale ; children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Patients defined as having a moderate head injury on the basis of Glasgow Coma Scale scores within the ranges of 9 to 13 after acute nonsurgical procedures were selected. Almost 1600 cases were hospitalized in the Neurosurgery Department. The cases were admitted through the Emergency Unit of Gaz University Medical School, Ankara, Turkey during the period between 1979 and 1992. The group studied consisted of 231 selected patients assessed separately in paediatric, adult and elderly age groups. Possible risk factors such as: GCS score, anisocoria, unilateral or bilateral fixed pupils, impaired oculocephalic reflexes, presence of multiple systemic injuries, aetiology of head trauma, presence of linear or depressed skull fractures, space occupying mass on CT or operation was also assessed. Subarachnoid haemorrhage turned out to be the only independent significant risk factor in predicting mortality. The data about the patients who have “talked and deteriorated” were also reported so as to assisst physicians charged with the care of trauma victims.
    Type of Medium: Electronic Resource
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