Status:

RECRUITING

Longitudinal Investigation of Brain Blood Flow Changes in Neurosurgical Patients

Lead Sponsor:

University of Zurich

Conditions:

Brain Blood Flow Impairment

Eligibility:

All Genders

18+ years

Brief Summary

Primary study objective: • Longitudinal observation of brain blood flow changes in neurosurgical patients with or without a neurosurgical intervention as compared to a healthy cohort. Secondary stud...

Detailed Description

Primary study objective: • to study the longitudinal observation of brain blood flow changes in neurosurgical patients to evaluate the effect of surgical or conservative treatment on the brain struct...

Eligibility Criteria

Inclusion

  • Inclusion criteria
  • Patients:
  • Male and Female subjects \>18 years of age
  • Written informed consent after participants' information. Foreign speaking patients should be accompanied by a person with sufficient German language proficiency to act as a translator
  • Neurosurgical diseases with the potential to alter blood flow to the brain:
  • Cerebrovascular disease
  • Brain tumors
  • Normal Pressure Hydrocephalus
  • Healthy subjects:
  • Male and Female subjects \>18 years of age
  • Written Informed Consent by the participant after information about the project. Foreign speaking healthy subjects should be accompanied by a person with sufficient German language proficiency to act as a translator
  • Exclusion criteria:
  • Patients:
  • Unwilling or unable to co-operate with breathing maneuvers
  • Respiratory or cardiac limitations to breathing through a mask
  • Medical contra-indications to limited hypercapnia (high CO2 - 50 mmHg) or hypocapnia (low CO2 - 30 mmHg) (i.e., known increased intracerebral pressure, metabolic acidosis or alkalosis)
  • Standard contraindications for MRI scanning
  • Verbal confirmed pregnancy
  • Known multiple intracranial diseases
  • Presence of intracranial hemorrhage within the last 3 months
  • Symptomatic increased intracranial pressure
  • Healthy subjects:
  • Unwilling or unable to co-operate with breathing maneuvers
  • Respiratory or cardiac limitations to breathing through a mask
  • Medical contra-indications to limited hypercapnia (high CO2 - 50 mmHg) or hypocapnia (low CO2 - 30 mmHg) (i.e., known increased intracerebral pressure, metabolic acidosis or alkalosis)
  • Standard contraindications for MRI scanning
  • Verbal confirmed pregnancy
  • Anamnesticly a history of neurological disease or current neurological deficits.

Exclusion

    Key Trial Info

    Start Date :

    January 1 2021

    Trial Type :

    OBSERVATIONAL

    Allocation :

    ESTIMATED

    End Date :

    November 1 2027

    Estimated Enrollment :

    400 Patients enrolled

    Trial Details

    Trial ID

    NCT04668261

    Start Date

    January 1 2021

    End Date

    November 1 2027

    Last Update

    December 29 2020

    Active Locations (1)

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    Page 1 of 1 (1 locations)

    1

    University Hospital Zurich

    Zurich, Switzerland, 8032