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Effect of intraabdominal pressure elevation and positioning on cerebral blood flow during laparoscopic surgery

Effect of intraabdominal pressure elevation and positioning on cerebral blood flow during laparoscopic surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-OCS-14005159
Enrollment
Unknown
Registered
2014-08-26
Start date
2014-09-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

general surgery and gynecologic surgery

Interventions

Laparoscopic surgery:change positions (head-up tilt, head-down tilt and supine) and intraabdominal pressure (IAP=10mmHg and 15mmHg)

Sponsors

Beijing Tiantan Hospital, Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Institutional approval and informed consent, ASA I-III, aged 18-80 years, patients undergoing elective laparoscopic surgery.

Exclusion criteria

Exclusion criteria: Coagulation disorders; severe disfuction of vital organs:including liver function,renal function and cardiac function; cerebrovascular disease; systemic infection; preganant and/or lactation period woman.

Design outcomes

Primary

MeasureTime frame
dynamic factors of middle cerebral artery;hemodynamic parameters;respiratory parameters;—

Countries

China

Contacts

Public ContactRuquan Han
ruquan.han@gmail.com+86 010-67096660

Outcome results

None listed

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