A prospective observational study of influence of surgical position on cerebral perfusion assessed by zero flow pressure measuring

A prospective observational study of influence of surgical position on cerebral perfusion assessed by zero flow pressure measuring - A prospective observational study of influence of surgical position on cerebral perfusion assessed by zero flow pressure measuring

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000053428

Enrollment

Registered

2024-01-24

Start date

2024-01-18

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

Patients in sitting, prone or Trendelenburg position under general anesthesia

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patients in sitting, prone or Trendelenburg position under general anesthesia

Exclusion criteria

Exclusion criteria: The patient with cerebrovascular disease The patient who has a hemodialysis shunt on non-surgical side arm The patient who cannot measure cerebral blood flow by transcranial doppler

Design outcomes

Primary

Measure	Time frame
Difference in zero flow pressure caused by patient's position change	—

Secondary

Measure	Time frame
Cerebral perfusion pressure calculated by zero flow pressure	—

Countries

Japan

Contacts

Public ContactShunichi Murakami

Yamaguchi University Hospital Department of Intensive Care

d007ubu@yamaguchi-u.ac.jp0836-22-2111

Outcome results