Prostate cancer
Conditions
Interventions
Low Fio2 group:30%Fio2
High Fio2 group:80%Fio2
Sponsors
The second Affiliated Hospital of Anhui Medical University
Eligibility
Sex/Gender
Male
Age
65 Years to 89 Years
Inclusion criteria
Inclusion criteria: 1) age =65 years, body mass index 18.5-28 kg/m ~ 2, Asa Grade II or III 2) there was no obvious abnormality in pulmonary function, no deformity of spine or thorax, no difficult airway, asthma or COPD 3) the estimated operation time was =2 hours 4) volunteer and sign the informed consent form
Exclusion criteria
Exclusion criteria: 1) body mass index (BMI) less than 18.5 kg/m2 or more than 28 kg/m2; 2) COPD patients; 3) the pulmonary function suggested moderate or above obstructive/restrictive ventilatory dysfunction; 4) preoperative arterial partial pressure of oxygen less than 60mmHg; 5) predicted difficult airway; 6) coronary artery disease; 7) patients with previous artificial pacemaker or defibrillator implantation; 8) patients using other bioimpedance devices at the same time; 9) patients with wound, dressings or infection focus near the electrode bandage; 10) patients with spinal lesions. 11) other researchers consider it inappropriate to participate in the stud
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| EIT ventilation distribution results; | — |
Secondary
| Measure | Time frame |
|---|---|
| Pulmonary function was measured preoperatively and 1,3,5 days postoperatively;Postoperative pulmonary complications occurred 1,3,5 days after operation;arterial blood gas analysis;Markers of oxidative stress;Respiratory Mechanics Index;Hemodynamics indicators;PONV;Length of hospital stay; | — |
Countries
China
Contacts
Public ContactYun Li
The second Affiliated Hospital of Anhui Medical University
Outcome results
None listed