Total Knee Arthroplasty (TKA) Surgery.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Age between 40-70 years Patients with physical status class I and II according to the American Society of Anesthesiologists classification Candidate patient for total knee arthroplasty Performing surgery under spinal anesthesia
Exclusion criteria
Exclusion criteria: Dissatisfaction with participating in the study History of knee arthroscopic surgery Uncontrolled blood pressure Cardiovascular disease Deep vein thrombosis Coagulation Use of nonsteroidal anti-inflammatory drugs and anticoagulants Body mass index more than 30 Operation time more than 120 minutes
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Hemoglobin. Timepoint: Before surgery and at the end of the first 24 hours after surgery. Method of measurement: Hematology Analyzer (Cell counter).;Hematocrit. Timepoint: Before surgery and at the end of the first 24 hours after surgery. Method of measurement: Hematology Analyzer (Cell counter).;International Normalized Ratio. Timepoint: Before surgery and at the end of the first 24 hours after surgery. Method of measurement: Obtaining patient blood and measuring prothrombin time. Its standardization against control plasma is calculated using the international sensitivity coefficient.;Platelet. Timepoint: Before surgery and at the end of the first 24 hours after surgery. Method of measurement: Automated hematology machine.;Prothrombin time. Timepoint: Before surgery and at the end of the first 24 hours after surgery. Method of measurement: Coagulometer.;Partial thromboplastin time. Timepoint: Before surgery and at the end of the first 24 hours after surgery. Method of measurement: Coagulation Analyzer. | — |
Secondary
| Measure | Time frame |
|---|---|
| Duration of surgery. Timepoint: The duration of the surgery will be recorded from the start to the end of the procedure. Method of measurement: Reviewing information recorded in the patient's file.;Length of stay. Timepoint: Patient admission time up to 24 hours after the end of the intervention. Method of measurement: Review of patient records.;Amount of bleeding during surgery. Timepoint: Start of surgical incision to end of suture (wound closure). Method of measurement: Suction blood volume.;Bleeding after surgery. Timepoint: Immediately after surgery and the first 24 hours after surgery. Method of measurement: The volume of blood collected in drains or suction after surgery. | — |
Countries
Iran (Islamic Republic of)
Contacts
Shahid Beheshti University of Medical Sciences