Radical colorectal surgery
Conditions
Interventions
A group:Intervention: The PEEP incremental method for lung recruitment starts with PEEP 5 cmH2O, increasing PEEP 5 cmH2O every 5 breaths until PEEP reaches 20cmH2O and maintaining breathing 10 times.
Bgroup:Intervention: The PEEP incremental method of lung recruitment starts with PEEP 5 cmH2O and increases PEEP 5cmH2O every 5 breaths until PEEP reaches 20 cmH2O and maintains breathing for 10 times
C group:Constant 5cmH2O PEEP
Sponsors
Ma'anshan 17th Metallurgical Hospital
Eligibility
Sex/Gender
All
Age
65 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Patients were included if they have healthy lungs; 2. Aged 65 years or older, 3. American Society of Anesthesiologists physical status (ASA) = 2; 3. Undergoing Laparoscopic radical resection for colorectal cancer.
Exclusion criteria
Exclusion criteria: 1. Patients with chronic lung disease or other obstructive or restrictive diseases; 2. Congestive heart failure; 3. New York Heart Association (NYHA) III/IV; 4. BMI = 35kg/m2 or Ventricular tachycardia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| global impedance curve amplitude; | — |
Secondary
| Measure | Time frame |
|---|---|
| Peak pressure;Plateau pressure;Driving pressure;End expiratory CO2; Respiratory rate;Tidal volume; | — |
Countries
China
Contacts
Public ContactXiaoxia Wang
Ma'anshan 17th Metallurgical Hospital
Outcome results
None listed