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Prediction of Intraoperative Hypotension in Elderly Colorectal Cancer Surgery Patients

Preoperative critical closing pressure for predicting intraoperative hypotension in elderly patients undergoing laparoscopic colorectal cancer surgery: a prospective observational study :

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600126608
Enrollment
Unknown
Registered
2026-06-12
Start date
2026-06-12
Completion date
Unknown
Last updated
2026-06-15

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

Conditions

Intraoperative Hypotension

Interventions

High preoperative critical closing pressure (CrCP) group vs. Low CrCP group:No intervention

Sponsors

Anhui No.2 Provincial People‘s Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Aged >= 60 years; 2. Undergoing elective laparoscopic colorectal cancer surgery; 3. ASA physical status classification grade ?-?; 4. Voluntary participation in this study with signed informed consent.

Exclusion criteria

Exclusion criteria: 1. Patients with severe preoperative dysfunction of vital organs such as heart, liver and kidney; 2. Those with preoperative hemodynamic instability, shock or requiring vasoactive drugs to maintain blood pressure; 3. Patients with peripheral vascular diseases or severe arrhythmias interfering with CrCP measurement; 4. Individuals with mental disorders or cognitive dysfunction unable to cooperate with the study; 5. Other conditions deemed ineligible by the researchers.

Design outcomes

Primary

MeasureTime frame
Intraoperative hypotension;Incidence of intraoperative hypotension (IOH);Duration of intraoperative hypotension and time-weighted area (TWA);

Secondary

MeasureTime frame
Use of vasoactive drugs during surgery;Observation time in the recovery room;Occurrence of perioperative adverse reactions (nausea and vomiting, delirium);

Countries

China

Contacts

Public ContactYing Zhang

Anhui No.2 Provincial People’s Hospital

2075441766@qq.com+86 551 64282148

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 21, 2026