Evaluation of Intracranial Pressure and Cerebral Blood Flow Dynamics during Surgery in Trendelenburg position

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00036714

Enrollment

100

Registered

2025-04-29

Start date

2025-03-01

Completion date

Unknown

Last updated

2025-10-06

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

Conditions

F05.8 F05.0

Interventions

Group 1: The study group consists of patients undergoing surgery in the Trendelenburg position. Intraoperatively the invasively measured blood pressure, the flow velocity of the middle cerebral artery

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: age > 18 years; ASA I -IV; surgery with general anaesthesia or combined anaesthesia; indikation for intraoperative measurement of cerebral blood flow; hemodynamic monitoring by means of arterial blood pressure measurement; written consent

Exclusion criteria

Exclusion criteria: Emergency operation; pregnancy; preoperative hemodynamic instability; deseases of the central nervous system; no written consent

Design outcomes

Primary

Measure	Time frame
intraoperative Elevation of ICP; impaired cerebral autoregulation	—

Secondary

Measure	Time frame
postoperative neurocognitive impairment; postoperative delirium	—

Countries

Germany

Contacts

Public ContactMarcus Thudium

Universitätsklinikum Bonn

Marcus.thudium@ukbonn.de022828714114

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026