Benign prostatic hyperplasia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age: 50-85 years old. 2. ASA physical status: I-III. 3. Operation time: expected 90 minutes or more. 4. Transurethral plasmakentic vaporization of prostate electricity cut undergoing elective surgery patients. 5. Patients with spinal canal anesthesia in patients with contraindications or require general anesthesia.
Exclusion criteria
Exclusion criteria: 1. Body mass index (BMI) >30kg/m^2 2. Obvious arrhythmia, cardiopulmonary function is not complete, 3. Mechanical ventilation, airway pressure higher than 40 MMHG, 4. Extensive peripheral arterial occlusive disease, 5. Severe liver and kidney disease, 6. Difficult intubation (> 2 intubations by experienced anesthesiologists), 7. Refused to patients and their families.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pulse pressure variability (PPV);Oxygenation index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Mean arterial pressure;Liquid measure during operation; | — |
Countries
China
Contacts
Shanghai Sixth People's Hospital