Nowadays, the number of aging population is increasing all over the world. Osteoarthritis of the knee (OA knee) is a chronic disease that can be found in the elderly and is a major public health problem. Chronic pain in OA knee caused stiff knee joint that affected the daily activities, work and quality of life of the patient. One method for treatment of OA knee is total knee arthroplasty. It is a common orthopedic surgery that is increasing every year around the world. It is predicted that futu
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.A patient undergo unilateral total knee arthroplasty under spinal anesthesia at Chomthong Hospital Chiang Mai During 2023 to December 2024 2.Age is more than 18 years old 3.ASA (American society of anesthesiologist) status are I,I,III 4.A patient can cooperate in research
Exclusion criteria
Exclusion criteria: - Patients allergic to local anesthetic agent - Patients has coagulopathy. - Injection site is infected. - Patients with chronic pain received painkillers for more than 3 months. - The patient has a history of opioid use. - The patient has a history of alcohol dependence. - Patients has neurological deficit. - The patient who has communication problems cannot describe the level of pain - The patient refused to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain score 0, 2, 4, 8, 12 ,18 ,24 hours after surgery Numeric rating scale | — |
Secondary
| Measure | Time frame |
|---|---|
| morphine consumption 0, 2, 4, 8, 12 ,18 ,24 hours after surgery milligram,Timing to receive intravenous analgesic drug first time to receive analgesic drug minute,hospital stay patient discharge hours,complication 0, 2, 4, 8, 12 ,18 ,24 hours after surgery questionnaire interview yes no | — |
Countries
Thailand
Contacts
Chomthong hospital