Pathophysiological analysis of neurosurgical diseases by using upright-position computed tomography

Pathophysiological analysis of neurosurgical diseases by using upright-position computed tomography - Pathophysiological analysis of neurosurgical diseases by using upright-position computed tomography

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000033000

Enrollment

100

Registered

2018-06-15

Start date

2018-07-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neurosurgical diseases(chronic subdural hematoma, brain tumor, hydrocephalus, cerebrospinal fluid hypovolemia, Chiari malformation, skull defect)

Interventions

Sitting position computed tomography(CT) is performed in addition to supine position CT

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients over 20 years old with neurosurgical diseases(chronic subdural hematoma, brain tumors, hydrocephalus, cerebrospinal fluid hypotension, Chiari malformation, skull bone defect).

Exclusion criteria

Exclusion criteria: 1. pregnant women and women with possibility of pregnancy 2. patients who are not healthy state and cannot undergo sitting-position computed tomography 3. patients who don't consent for this clinical study

Design outcomes

Primary

Measure	Time frame
Distance from foramen magnum to cerebellar tonsil Moving distance of pineal body Angle of cerebellar tentorium Cross-section area of the forth ventricle Volume of lateral ventricle	—

Countries

Japan

Contacts

Public ContactMasahiro Toda

Keio University School of Medicine Neurosurgery

todam@keio.jp03-3353-1211

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026