The research on relationship between pulse pressure variation and lower extremity tourniquet related hypotension

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000038324

Enrollment

Unknown

Registered

2020-09-18

Start date

2018-10-01

Completion date

Unknown

Last updated

2020-12-14

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

Conditions

Undergoing unilateral arthroscopic cruciate ligament repair surgery

Interventions

Case series:Nil

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. 50 patients with unilateral knee arthroscopy and cruciate ligament reconstruction under general anesthesia combined with femoral nerve block were selected; 2. Patients of both sexes, aged 18-65 years, ASA I-II; 3. Patients without history of hypertension and diabetes had no serious heart, lung, liver, kidney and blood system diseases; 4. Patients with negative radial artery modified Allen test.

Exclusion criteria

Exclusion criteria: 1. Patients with long-term history of taking vasoactive drugs, preoperative or intraoperative arrhythmia; 2. Patients with severe hypertension whose intraoperative blood pressure >= 180 / 110mmhg.

Design outcomes

Primary

Measure	Time frame
PPV;SBP;HR;	—

Secondary

Measure	Time frame
Tourniquet time;Total infusion volume;	—

Countries

China

Contacts

Public ContactLIN Chengxin

The First Affiliated Hospital of Guangxi Medical University

lin.chx@163.com+86 13907865980

Outcome results

None listed

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