• Disease
  • Arachnoid
  • Arachnoid Cysts
  • Knut Gustav Wester

    Prominent publications by Knut Gustav Wester

    KOL Index score: 11018

    The aim of this study was to explore whether reported pain and functional disability in whiplash-associated disorders (WAD) patients is associated with lesions to specific soft tissue structures in the upper cervical spine, as assessed by MRI. Pre-selected structures for MRI assessment included the alar ligaments, the transverse ligament, the tectorial and the posterior atlanto-occipital membranes. The questionnaire employed was a modification of the Oswestry Low Back Pain Index. It was ...

    Also Ranks for: Alar Ligaments |  mri findings |  pain disability |  cervical spine |  wad patients
    KOL Index score: 10351

    OBJECTIVES: Arachnoid cysts (AC) are benign, congenital malformations of the leptomeninges, with a predilection for the temporal fossa. In our clinical experience, patients with temporal AC often complain of dizziness and imbalance. However, these symptoms and the effect of surgery on them have not been studied before.

    MATERIALS AND METHODS: Dizziness and imbalance in patients with temporal AC were quantified before and after surgical cyst decompression, using the Dizziness Handicap ...

    Also Ranks for: Cyst Patients |  dhi vsssf |  cdp surgery |  dizziness imbalance |  temporal arachnoid
    KOL Index score: 10152

    OBJECT: If, when, and how children with arachnoid cysts should undergo surgery has been a matter of debate. In the present study the authors describe long-term clinical and neuroimaging results in children with intracranial arachnoid cysts, treated in accordance with the authors' policy of performing surgery in most of these cases.

    METHODS: The study included 48 pediatric patients (age < 16 years of age) who underwent surgery for treatment of an arachnoid cyst at Haukeland University ...

    Also Ranks for: Arachnoid Cyst |  neuroimaging outcomes |  basal cisterns |  insignificant complaints |  children underwent
    KOL Index score: 9171

    In the present study, we compared magnetic resonance imaging (MRI) findings of soft tissue structures in the upper cervical spine between whiplash-associated disorder (WAD) patients and population-based control persons, and examined whether MRI-verified abnormalities in WAD patients were related to accident-related factors hypothesized to be of importance for severity of injury. A total of 92 whiplash patients and 30 control persons, randomly drawn, were included. Information on the ...

    Also Ranks for: Upper Cervical Spine |  whiplash injuries |  impact direction |  wad patients |  transverse ligaments
    KOL Index score: 8495

    BACKGROUND: Arachnoid cyst (AC) fluid has not previously been compared with cerebrospinal fluid (CSF) from the same patient. ACs are commonly referred to as containing "CSF-like fluid". The objective of this study was to characterize AC fluid by clinical chemistry and to compare AC fluid to CSF drawn from the same patient. Such comparative analysis can shed further light on the mechanisms for filling and sustaining of ACs.

    METHODS: Cyst fluid from 15 adult patients with unilateral ...

    Also Ranks for: Arachnoid Cyst Fluid |  compared cerebrospinal |  mechanisms filling |  slit valves |  oncotic pressure
    KOL Index score: 8232

    BACKGROUND: We have gradually adopted a liberal attitude towards surgical decompression of arachnoid cysts. This study describes the results from our institution.

    METHODS: Long term clinical and neuroimaging results of 156 adult patients (aged > or = 16 years) operated on for arachnoid cysts in our department during the period January 1987 to September 2004 were assessed based on their medical and neuroimaging records, and on a questionnaire.

    RESULTS: The clinical and/or neuroimaging ...

    Also Ranks for: Arachnoid Cysts |  cyst decompression |  clinical improvement |  neuroimaging outcomes |  volume reduction
    KOL Index score: 8191

    BackgroundWorking with patients with intracranial aneurysms, we have developed a clinical suspicion that there may be differences in the rupture rate of aneurysms depending on the aneurysm’s anatomical location. The aim of the study was to examine the anatomical distribution of ruptured and unruptured intracranial aneurysms in a defined population.MethodWe retrospectively included all patients with an aneurysm treated in our institution between 1 January 1990 and 31 December 1999, and ...

    Also Ranks for: Intracranial Aneurysms |  anatomical distribution |  aneurysm ruptured |  sah patients |  1 january
    KOL Index score: 8034

    OBJECT: The aim of this study was to examine the distribution of intracranial arachnoid cysts in a large and unselected patient population with special emphasis on sidedness and sex distribution.

    METHODS: In total, 299 patients with 305 arachnoid cysts were studied. These patients were consecutively referred to our department during a 20-year period from a well-defined geographical area with a stable population.

    RESULTS: There was a strong predilection (198 patients [66.2%]) for ...

    Also Ranks for: Arachnoid Cysts |  temporal fossa |  sex distribution |  intracranial locations |  based sample
    KOL Index score: 7958

    BACKGROUND: We have previously presented an alternative method for surgical decompression of intracranial arachnoid cysts. This minimally invasive method, with insertion of an internal shunt from the cyst to the subdural compartment, seemed to be an efficient and simple, and hence promising technique. The aim of the present study was to investigate the long-term results of this procedure.

    METHODS: This study is a questionnaire-based retrospective study that includes 31 adult patients ...

    Also Ranks for: Arachnoid Cysts |  cyst volume |  surgical decompression |  temporal fossa |  frontal convexity
    KOL Index score: 7648

    BACKGROUND: There is no previous prospective study on the outcome of surgical decompression of intracranial arachnoid cysts (AC).

    OBJECTIVE: To investigate if surgical fenestration for AC leads to change in patients' health-related quality of life.

    METHODS: Prospective study including 76 adult patients operated for AC. Patients responded to Short Form-36 and Glasgow Benefit Inventory quality of life questionnaires, and to visual analogue scales, assessing headache and dizziness pre- and ...

    Also Ranks for: Arachnoid Cysts |  surgical decompression |  improved quality |  headache dizziness |  life prospective study
    KOL Index score: 7632

    OBJECTIVE: To study the distribution of intracranial arachnoid cysts in a large and nonbiased patient population.

    METHODS: One hundred twenty-six patients with 132 arachnoid cysts were studied. Patients were consecutively referred to our department during a 10-year period from a well-defined geographical area with a stable population.

    RESULTS: The cysts had a strong predilection for the middle cranial fossa; 86 patients (65.2%) had cysts in this location. Of 106 cysts with clearly ...

    Also Ranks for: Intracranial Arachnoid |  middle fossa |  sex factors |  strong predilection |  preschool dominance
    KOL Index score: 7598

    BACKGROUND: Intracranial arachnoid cysts have been shown to yield cognitive impairment over a range of basic mental functions, and these functions normalize after surgical cyst decompression. We wanted to investigate whether such cysts may also impair executive cognitive functions, and whether surgical cyst decompression leads to an improvement.

    METHODS: This study included 22 patients with arachnoid cysts and 13 control patients scheduled for low back surgery. All subjects were tested ...

    Also Ranks for: Arachnoid Cysts |  postoperative improvement |  cognitive functions |  surgical cyst decompression |  executive function
    KOL Index score: 7521

    Benign external hydrocephalus in infants, characterized by macrocephaly and typical neuroimaging findings, is considered as a self-limiting condition and is therefore rarely treated. This review concerns all aspects of this condition: etiology, neuroimaging, symptoms and clinical findings, treatment, and outcome, with emphasis on management. The review is based on a systematic search in the Pubmed and Web of Science databases. The search covered various forms of hydrocephalus, ...

    Also Ranks for: External Hydrocephalus |  review emphasis |  clinical findings |  benign condition |  cerebrospinal fluid
    KOL Index score: 7432

    BACKGROUND: Arachnoid cysts (AC) can cause a wide spectrum of clinical symptoms. Only a limited number of studies have investigated intracranial pressure in patients with AC. We wished to investigate the relationship between intracystic pressure, preoperative complaints and postoperative symptom relief in adult patients operated on for a unilateral temporal AC.

    MATERIAL AND METHODS: This was a prospective, population based study involving 38 adult (>18 years) patients (mean age 43 years; ...

    Also Ranks for: Intracystic Pressure |  temporal arachnoid |  18 years |  wide spectrum |  surgical decompression


    Knut Gustav Wester: Influence Statistics

    Sample of concepts for which Knut Gustav Wester is among the top experts in the world.
    Concept World rank
    cava septi pellucidi #1
    arachnoid cysts #1
    cava vergae #1

    Key People For Arachnoid Cysts

    Top KOLs in the world
    Knut Gustav Wester
    arachnoid cysts dichotic listening thalamic stimulation
    Ercole Galassi
    arachnoid cysts middle cranial fossa cavernous angiomas
    cavernous angiomas arachnoid cysts middle cranial fossa
    Franco Frank
    arachnoid cysts stereotactic biopsy cavernous angiomas
    Concezio Di Rocco
    surgical treatment head injury cerebrospinal fluid
    Michael S B Edwards
    galen malformations radiation therapy posterior fossa

    Knut Gustav Wester:Expert Impact

    Concepts for whichKnut Gustav Westerhas direct influence:Arachnoid cysts,  Arachnoid cyst,  Intracranial arachnoid,  Thalamic stimulation,  External hydrocephalus,  Intracystic pressure,  Nordic countries,  Dichotic listening.

    Knut Gustav Wester:KOL impact

    Concepts related to the work of other authors for whichfor which Knut Gustav Wester has influence:Arachnoid cysts,  Neck pain,  Surgical treatment,  Cervical spine,  Traumatic brain injury,  Ventriculoperitoneal shunt,  Synaptic transmission.



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    Department of Clinical Medicine K1, University of Bergen, Bergen, Norway | Department of Clinical Medicine K1, University of Bergen, Bergen, Norway. | Department of Clinical Medicine K1, University of Bergen, N 5021, Bergen, Norway | Department of Cl