Anaesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: a- Physical Status: ASA (American society of Anesthesiologists) I to III. b- Both sexes. c- Aged from forty to eighty years old. d- Scheduled for elective primary total knee arthroplasty due to osteoarthritis under spinal anesthesia.
Exclusion criteria
Exclusion criteria: a) Patient`s refusal of the procedure or to participate in the study. b) Patients with major spine deformities preclude spinal anesthesia. c) Patients with bleeding disorders and/or coagulopathy. d) Infection at the injection sites. e) Known allergy to local anesthetics. f) Patients with pre-existing myopathy or neuropathy. g) Uncooperative patients with significant cognitive dysfunction or psychiatric illness. h) Patients receiving any type of intraoperative periarticular infiltration (PAI) of local anesthetic by the surgeons. i) Failed spinal anesthesia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome of the study is to compare the time of the postoperative first request of the rescue analgesic in case of certain pain severity assessed by VAS between the two groups. | — |
Secondary
| Measure | Time frame |
|---|---|
| the total rescue opioids consumption, onset of ambulation, safety and complications of the used nerve blocks for the first 24 hours postoperatively. | — |
Countries
Egypt
Contacts
assistant lecturer of anesthesia and intensive care ain shams university