SM Mortazavi

Joint Reconstruction Research Center Tehran University of Medical Sciences

[ 1 ] - Comparison between Patellar Resurfacing and Retention in Total Knee Arthroplasty Regarding the Postoperative Satisfaction of Patients and Patellar Crepitus

Background: Patellar crepitus after total knee arthroplasty (TKA) is not uncommon. The choice between patellarresurfacing or retention in TKA has remained controversial. Therefore, this randomized controlled trial aimed to evaluatethe impact of patellar resurfacing on the incidence of patellar crepitus. In addition, we compared the clinical outcomesand satisfaction between the...

[ 2 ] - Tibial Tunnel Preparation in Posterior Cruciate Ligament (PCL) Reconstruction. A Technical Tip to Lessen the Stress

Background: The purpose of this study was to introduce a technical tip for the preparation of tibial tunnel in a posteriorcruciate ligament (PCL) reconstruction to reduce the chance of popliteal artery injury and duration of the surgery.Methods: This study included 18 patients who underwent PCL reconstructions at Imam Khomeini University Hospital,Tehran, Iran, between 2016 and...

[ 3 ] - Not-Approved Weight Gain Supplements as a Cause of AVN: A Cautionary Report

Introduction: Avascular necrosis (AVN) of the femoral head is a leading cause of end-stage joint disease in the young population that can conduct patients to total hip replacement in early life. There are various risk factors including, trauma, corticosteroids, thrombosis, hypertension, and alcohol. There is a growing number of femoral head AVN patients with a history of self-medication with he...

[ 4 ] - Save the Meniscus, A Good Strategy to Preserve the Knee

With increasing life expectancy, the demand for preservation of native articular cartilage is increasing to delay joint arthroplasties. In the knee, there are many different strategies to preserve the articular cartilage including but not limited to corrective osteotomies, chondral injury restoration, intraarticular injection of cells or growth factors(PRP). However, One of the most important s...

[ 5 ] - Iranian Orthopedic Association (IOA) Response Guidance to COVID-19 Pandemic April 2020

Iranian Orthopedic Community as a part of the national health system feels deeply responsible to take part in the battle against the new coronavirus (COVID-19) pandemic. Although we might not be considered the front-line defenders, we do have a key role in this challenge. As the crisis continues to grow in Iran, the risk of contracting the virus increases with subsequent increase in the number ...

[ 6 ] - Lockdown of an Orthopedic Department During COVID-19 Epidemics, Our Experience in a General Hospital

The COVID-19 disease is rapidly spreading around the world, affecting many countries and their healthcare systems.Like many other countries, Iran is struggling with the current situation. In this article, we aim to share our perspectiveson confronting obstacles mentioned above using appropriate hospital protocols during the COVID-19 crisis.We investigated and compared the numb...

[ 7 ] - Point-of-Care Ultrasonography in Orthopedics: A Helpful Tool to Improve Patient Care

An enormous technological improvement in Ultrasonography devices has occurred during last decade, providing excellent soft-tissue contrast and high spatial resolution images. Nowadays, musculoskeletal ultrasonography is going to be a stethoscope in the hand of orthopedic surgeons for the diagnosis of many musculoskeletal pathologies, as well as an accurate guide for therapeutic interventions. T...

[ 8 ] - Intra-articular versus Intravenous Tranexamic Acid in Total Knee Arthroplasty: A Randomized Clinical Trial

Background: Total knee arthroplasty (TKA) can cause excessive blood loss requiring allogenic transfusions.Tranexamic acid (TXA) has been increasingly used for lowering blood loss. The present study aimed to comparethe efficacy of intravenous (IV) and intra-articular (IA) administrations of TXA in TKA patients who receive aspirin aschemoprophylaxis and uses no drain post-operat...

[ 9 ] - Total Knee Arthroplasty in Patients with Hemophilia: What Do We Know?

Total knee arthroplasty is considered as the treatment of choice for those with end stage hemophilic arthropathy.Compared to other patients undergoing TKA, these patients have specific features such as bleeding tendency, youngerage, pre-operative restricted range of motion (ROM), altered anatomy, and increased complications. This narrativereview of literature is going to inves...