respiratory disease
Conditions
Interventions
VCV ventilation Group (V Group):Volumetric ventilation mode was adopted during general anesthesia
PCV-VG mode Ventilation Group (Group P):PCV-VG mode was adopted during general anesthesia
Sponsors
The First Affiliated Hospital of Guangzhou University of Chinese Medicine
Eligibility
Sex/Gender
All
Age
65 Years to 80 Years
Inclusion criteria
Inclusion criteria: Prone lumbar surgery patients with lumbar spinal stenosis under elective general anesthesia:(1) Gender is not limited; (2) ASA grade I~ III; (3) 65-80 years old;(4) The patient's clinical condition was stable (no obvious acute respiratory disease in the 4 weeks before the study).
Exclusion criteria
Exclusion criteria: (1) Patients with serious heart, brain, kidney and other systemic diseases; (2) Asthma, moderate and severe ventilation dysfunction; (3) Neuromuscular diseases; (4) BMI >=28kg/m^2; (5) Patients undergoing surgical treatment again after surgery; (6) Patients with a history of intrathoracic surgery; (7) Patients with thoracic and spinal malformations; (8) Patients who also participate in other interventional therapy; (9) Patients or family members are difficult to cooperate or refuse to sign the informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Peak airway pressure(Ppeak); | — |
Secondary
| Measure | Time frame |
|---|---|
| Other respiratory parameters: plateau pressure, mean airway pressure, Cdyn, tidal volume;arterial blood gas analysis;Pulmonary ultrasonography;Hemodynamic indicators (blood pressure, mean arterial pressure, oxygen saturation);Pulmonary complications within 7 days after surgery; | — |
Countries
China
Contacts
Public ContactWuhua Ma
The First Affiliated Hospital of Guangzhou University of Chinese Medicine
Outcome results
None listed