Total knee arthroplasty
Conditions
Interventions
Control Group:standard treatment plus oxygen
Experimental group:fixed nitrous oxide/oxygen mixture + routine treatment
Sponsors
Ningxia Medical University
Eligibility
Sex/Gender
All
Age
50 Years to 70 Years
Inclusion criteria
Inclusion criteria: patients underwent total knee arthroplasty, either male or femal, pain reported to be 4 or higher (on a scale of 0 to 10), The participants are volunteers and written consent obtained, injured area not affecting the vital signs and digital pulse oximeter monitoring.
Exclusion criteria
Exclusion criteria: Mental disorder, drug dependence and drug abuse,Unconscious and unable to express pain by Changhai pain scale (VAS), Abdominal distension or suspected bowel obstruction, air embolism, pneumothorax,lung cancer, decompression sickness, epilepsy,chronic obstructive pulmonary disease and acute respiratory infection, pregnancy, severe inhalation injury; pharmaceutical or pathological pulmonary fibrosis; Maxillofacial injuries, Ear, nose, larynges diseases such as sinuses, middle ear, tympan graft
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Analgesia Effect; | — |
Secondary
| Measure | Time frame |
|---|---|
| heart rate;Blood pressure;Pulse Oxygen Saturation; | — |
Countries
China
Contacts
Public ContactChai Xiaomin
Ningxia Medical University
Outcome results
None listed