Blood Loss Assessment in the Limited Application of Tourniquet During Primary Unilateral TKA

Tourniquet application in total knee arthroplasty has many benefits and might have a role in the incidence of peri-operative complications the aim of this research: is to look into the effectiveness of the limited application of tourniquet during primary unilateral total knee arthroplasty and compare the perioperative complications with the standard full-time application.

Inclusion Criteria:patients between 50 and 85 years of age with end-stage knee arthritis going primary unilateral TKA after the failure of conservative treatment.Exclusion Criteria:o Patients younger than 50y and older than 85y.BMI less than 20 and more than 35.Patients having a vascular or hematologic disease.Patients who were taking anti-coagulant medicine and can't stop it.Patients having acute or chronic renal failure.Patients classified as the AAA as grade four or five.Post-traumatic and secondary knee arthritis patients.Revisions and complex primary cases.Patients with an active infection or a history of lower limp infection.