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  1. No Access

    Article

    Conray ventriculography carried out as seriography on a biplane serial changer

    A report is presented of 20 Conray ventriculograms carried out by a seriographic technique. A mixture of Conray and physiological saline was injected through a rubber catheter placed in a lateral ventricle wit...

    Agnete Karle, F. Gjerris in Neuroradiology (1973)

  2. No Access

    Chapter and Conference Paper

    Intraventricular Pressure in Patients with Chronic Subdural Hematomas Before and After Evacuation of the Hematoma

    Chronic subdural hematomas typically cause headache, dementia, and progressive neurologic signs such as hemiparesis and aphasia. Symptoms of increased intracranial pressure are uncommon. The incidence of papil...

    F. Gjerris in Intracranial Pressure III (1976)

  3. No Access

    Article

    Incidence and long term survival of children with intracranial tumours treated in Denmark 1935-1959

    The total number of children under 15 years of age with intracranial tumours in Denmark during the years 1935-1959 was found to be 533. The average incidence was 21 new cases/106 children/year during the 25-year ...

    F Gjerris, A Harmsen, L Klinken, E Reske-Nielsen in British Journal of Cancer (1978)

  4. No Access

    Chapter and Conference Paper

    Etiology of B-Waves

    B-waves are observed in pressure recordings from the glaucomatous eye and the hydrocephalic brain. These pressure variations must be the result of changes in vascular volume. It is not known whether B-waves ar...

    S. C. Sørensen, F. Gjerris, S. E. Børgesen in Intracranial Pressure IV (1980)

  5. No Access

    Chapter and Conference Paper

    Predicting the Results of Ventricular Shunting in Normal Pressure Hydrocephalus by Lumbo-Ventricular Perfusion Test

    The syndrome of normal pressure hydrocephalus (NPH) i.e. progressing dementia, gait disturbances and urinary incontinence is now a widely accepted clinical entity. Following the first optimistic reports about ...

    F. Gjerris, S. E. Børgesen, S. C. Sørensen in Intracranial Pressure IV (1980)

  6. No Access

    Chapter and Conference Paper

    Clinical Evaluation of a New Epidural Pressure Transducer

    Measurement of intraventricular pressure (IVP) through a ventricular catheter is a well-known method and has the advantage of being a direct method. If the catheter and the transducer are placed correctly, the...

    F. Gjerris, S. E. Børgesen, S. C. Sørensen in Intracranial Pressure IV (1980)

  7. No Access

    Article

    Colloid osmotic and hydrostatic pressures in chronic subdural haematomas

    Intracranial pressure (ICP) has been measured in eight patients with chronic subdural haematomas (CSH) for 24 hours prior to and for 24 hours following evacuation of the haematomas. In all patients ICP was inc...

    F. Gjerris, S. C. Sørensen in Acta Neurochirurgica (1980)

  8. No Access

    Article

    Computed tomography and pneumoencephalography compared to conductance to outflow of CSF in normal pressure hydrocephalus

    The conductance to outflow of CSF (Cout) was measured in 66 patients with normal pressure hydrocephalus (NPH). All patients were investigated with computed tomography (CT); 34 of the patients also had pneumoencep...

    S. E. Børgesen, C. Gyldensted, F. Gjerris, J. Lester in Neuroradiology (1980)

  9. No Access

    Article

    Computed tomography of benign supratentorial astrocytomas of infancy and childhood

    The CT findings of 15 benign supratentorial astrocytomas in children less than 15 years of age are compared with the CT findings of 19 supratentorial tumors of other histological types in the same age group. A...

    H. Pedersen, F. Gjerris, L. Klinken in Neuroradiology (1981)

  10. No Access

    Article

    Isotope cisternography and conductance to outflow of CSF in normal pressure hydrocephalus

    In 50 patients with normal pressure hydrocephalus (NPH) the findings on lumbar isotope cisternography (ICG) were compared to the conductance to outflow of CSF (Cout) as measured by lumbo-ventricular perfusion. Th...

    S. E. Børgesen, L. Westergård, F. Gjerris in Acta Neurochirurgica (1981)

  11. No Access

    Article

    The conductance to outflow of CSF in adults with high-pressure hydrocephalus

    The intraventricular pressure was compared with conductance to outflow of CSF (Cout) in 12 patients with high-pressure hydrocephalus of less than 3 months duration. Cout was measured by a lumbo-ventricular or a v...

    F. Gjerris, S. E. Børgesen M.D., E. Hoppe M.D., F. Boesen M.D.… in Acta Neurochirurgica (1982)

  12. No Access

    Chapter and Conference Paper

    Vasopressin Concentration in Cerebrospinal Fluid and Conductance to CSF Outflow in Benign Intracranial Hypertension and Normal Pressure Hydrocephalus

    Benign intracranial hypertension (BIH) or pseudotumor cerebri is characterized by symptoms and signs of increased intracranial pressure without focal localizing signs. The patients present usually with headach...

    F. Gjerris, P. Soelberg Sørensen, M. Hammer, J. Astrup in Intracranial Pressure V (1983)

  13. No Access

    Chapter and Conference Paper

    Periventricular Lucency (Edema) in Computed Tomography and Conductance to CSF Outflow in Patients with High Pressure Hydrocephalus and Normal Pressure Hydrocephalus

    Periventricular lucency (PVL) in computerized tomography (CT) in hydrocephalus is now a well described neuroradiological entity. PVL is especially seen in the white matter surrounding the frontal horns of the ...

    F. Gjerris, S. E. Børgesen, P. S. Sørensen, S. C. Sørensen… in Intracranial Pressure V (1983)

  14. No Access

    Article

    Severe headache as the only symptom of long-standing shunt dysfunction in hydrocephalic children with normal or slit ventricles revealed by computed tomography

    Four patients aged 11, 11, 8 and 18 years, shunted in early childhood for hydrocephalus, were followed in the outpatient clinic for severe headache from 3 months to 2 years. The headache lasted for days and up...

    B. Dahlerup, F. Gjerris, A. Harmsen, P. Soelberg Sørensen in Child's Nervous System (1985)

  15. No Access

    Article

    Cerebrospinal fluid and plasma vasopressin during short-time induced intracranial hypertension

    The response of plasma and ventricular cerebrospinal fluid vasopressin concentration to short-time induced intracranial hypertension was studied in 8 patients with hydrocephalus, defined as ventricular enlarge...

    P. Soelberg Sørensen, F. Gjerris, M. Hammer in Acta Neurochirurgica (1985)

  16. No Access

    Chapter and Conference Paper

    Visual Evoked Potentials in Patients with Hydrocephalus or Intracranial Hypertension

    Delay of visual evoked potential (VEP) latencies can be an early indicator of compressive lesions of the visual pathways (Halliday et al. 1976). The purpose of the present study was to examine whether ventricu...

    P. Soelberg Sørensen, F. Gjerris, P. Selmar, W. Trojaborg in Intracranial Pressure VI (1986)

  17. No Access

    Chapter and Conference Paper

    CSF Outflow Resistance: No Current Model is Satisfactory

    Increased resistance to cerebrospinal fluid (CSF) absorption has been shown to be one of the causes of pathologically altered intracranial pressure dynamics, e. g. during hydrocephalus, meningitis and subarach...

    J. Gyring, F. Gjerris, H. E. Bråndsted, N. E. O. Andersen in Intracranial Pressure VI (1986)

  18. No Access

    Chapter and Conference Paper

    Measurement of Conductance to Cerebrospinal Fluid Outflow by the Steady-State Perfusion Method in Patients with Normal or Increased Intracranial Pressure

    Several methods have been used to examine cerebrospinal fluid dynamics, i. e. by infusion or perfusion studies (Ekstedt 1977, Børgesen and Gjerris 1982), particularly in hydrocephalic children and adults. Resi...

    F. Gjerris, S. E. Børgesen, K. Schmidt, P. S. Sørensen… in Intracranial Pressure VI (1986)

  19. No Access

    Chapter

    Head Injuries in Children—Special Features

    Head injury in children is very common. Mostly the trauma is slight and the child improves without defects. Even after severe injuries, which can be fatal for an adult, many children will survive in a good con...

    F. Gjerris in Modern Concepts in Neurotraumatology (1986)

  20. No Access

    Article

    Clinical evaluation of a simple epidural pressure sensor

    The Plastimed® epidural pressure sensor was evaluated in 35 patients, twenty-eight of whom were suffering from head injury. In seven patients simultaneous intraventricular pressure measurements were obtained. The...

    M. Kosteljanetz, S. E. Børgesen, P. Stjernholm, L. Christensen… in Acta Neurochirurgica (1986)

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