rectum cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged > 18 years; 2. Operation interval: 2-4 hour; 3. Normal coagulatory function; 4. No thrombosis; 5. Eager to be involved in the trial.
Exclusion criteria
Exclusion criteria: 1. History of venous thrombosis, phlebitis, severe limb infection; 2. Less of 1 month after cession of anticoagulant; 3. Concumitant of respiratory, circulatory, digestive, neural disorder, incapility of contraction; 4. Ulcerative rash; 5. Abnormal deformity and edema in lower limbs.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| incidence of embolism; | — |
Secondary
| Measure | Time frame |
|---|---|
| flow rate of veins in lower limbs measured by ultrasound;perioperative vWF factors;perioperative coagulatory functions;Lower extremity venous flow under ultrasound; | — |
Countries
China
Contacts
The First Affiliated Hospital, Wenzhou Medical University