IRCT20190127042514N6 IRCT 2020-06-17 Kerman University of Medical Sciences Comparison of Clinical outcomes and complications of bilateral knee joint replacement simultaneously and after 48 hours Comparison of Clinical outcomes and complications of bilateral knee joint replacement simultaneously and after 48 hours 2019-08-11 anticipated 100 Complete https://irct.ir/trial/48261 interventional Randomization: Not randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A knee joint. Intervention 1: Intervention group:first group includes patients who will have bilateral knee joints replacement Simultaneously : All patients will undergo the same anesthesia. Surgical method will be the same in all patients (classic knee replacement surgery) . antibiotics (48 hours of injectable cephalexin and then thirty cephalexin 500 mg every 6 hours) and painkillers (injection of one gram of apotel every eight hours). For 48 hours and then taking codeine acetaminophen every eight hours until five days after discharge) and anticoagulants (taking subcutaneous clexan for 14 days after discharge and all the time hospitalized once a day) will be the same after surgery too. Intervention 2: Intervention group:The second group includes patients who will have bilateral knee joints replacements 48 hours apart : All patients will undergo the same anesthesia. Surgical method will be the same in all patients (classic knee replacement surgery) . antibiotics (48 hours of injectable cephalexin and then thirty cephalexin 500 mg every 6 hours) and painkillers (injection of one gram of apotel every eight hours). For 48 hours and then taking codeine acetaminophen every eight hours until five days after discharge) and anticoagulants (taking subcutaneous clexan for 14 days after discharge and all the time hospitalized once a day) will be the same after surgery too. No - There is not a plan to make this available Justification or reason for not sharing IPD is No subscription required