Bladder cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Patients diagnosed with invasive bladder urothelial carcinoma based on preoperative imaging, cystoscopy biopsy, or diagnostic bladder electroresection, with no evidence of systemic organ metastasis; 2) undergoing complete robot-assisted STAPLER method radical cystectomy, standard pelvic lymph node dissection, and in situ ileal U-shaped neobladder construction and all surgical procedures performed using the robot-assisted surgical system; 3) Absence of a history of external radiation therapy or intravenous chemotherapy before surgery, and no history of traditional open abdominal surgery; 4) Normal body temperature within the last 3 days and upon admission; 5) and color doppler ultrasound confirming unobstructed venous blood flow in the lower extremities before anesthesia.
Exclusion criteria
Exclusion criteria: 1) Intraoperative change of surgical approach to laparoscopy or open surgery; 2) History of venous thromboembolism (VTE) and prior anticoagulant or thrombolytic therapy before surgery; 3) Cardiovascular conditions prone to thrombosis, such as atrial fibrillation, congestive heart failure, pulmonary edema, etc.; 4) Disorders related to temperature regulation and metabolism; 5) Abnormalities in the local condition of the lower limbs, including swelling, gangrene, dermatitis, prior skin graft surgery, severe lower limb deformities, and ischemic vascular diseases like arterial sclerosis; 6) Transfusion of blood products during surgery; 7) Incomplete surgical data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the rate of unobstructed venous blood flow in the lower extremities by color Doppler Ultrasound during postoperative period; | — |
Secondary
| Measure | Time frame |
|---|---|
| degree of preoperative anxiety score and surgical information demand score;Duration of surgery;the rate of introperative blood loss;the rate of introperative hypothermia; | — |
Countries
China
Contacts
Zhejiang Provincial People’s Hospital