User profiles for Johnathan Lex

Johnathan Robert Lex

Resident, University of Toronto
Verified email at mail.utoronto.ca
Cited by 481

Perioperative systemic dexamethasone reduces length of stay in total joint arthroplasty: a systematic review and meta-analysis of randomized controlled trials

JR Lex, TC Edwards, TW Packer, GG Jones… - The Journal of …, 2021 - Elsevier
Background The objective of this review is to examine the effect of perioperative systemic
corticosteroids at varying doses and timings on early postoperative recovery outcomes …

Machine learning using preoperative patient factors can predict duration of surgery and length of stay for total knee arthroplasty

A Abbas, J Mosseri, JR Lex, J Toor, B Ravi… - International journal of …, 2022 - Elsevier
Background Total knee arthroplasty (TKA) is one of the most resource-intensive, high-volume
surgical procedures. Two drivers of the cost of TKAs are duration of surgery (DOS) and …

Predatory publishing in orthopaedic research

JR Yan, H Baldawi, JR Lex, G Simchovich, LP Baisi… - JBJS, 2018 - journals.lww.com
Background: The open-access model has changed the landscape of academic publishing
over the last 20 years. An unfortunate consequence has been the advent of predatory …

Megaprosthesis anti-bacterial coatings: A comprehensive translational review

JR Lex, R Koucheki, NA Stavropoulos, J Di Michele… - Acta Biomaterialia, 2022 - Elsevier
Periprosthetic joint infections (PJI) are catastrophic complications for patients with implanted
megaprostheses and pose significant challenges in the management of orthopaedic …

Artificial intelligence for hip fracture detection and outcome prediction: a systematic review and meta-analysis

JR Lex, J Di Michele, R Koucheki, D Pincus… - JAMA network …, 2023 - jamanetwork.com
Importance Artificial intelligence (AI) enables powerful models for establishment of clinical
diagnostic and prognostic tools for hip fractures; however the performance and potential …

Dedifferentiated chondrosarcoma of the pelvis: clinical outcomes and current treatment

JR Lex, S Evans, JD Stevenson, M Parry… - Clinical Sarcoma …, 2018 - Springer
Background Dedifferentiated chondrosarcomas (CS) are a high-grade variant of CS that
confers a 5-year survival of around 10–24%. Dedifferentiated CS arising from the pelvis confers …

Clinical applications of augmented reality in orthopaedic surgery: A comprehensive narrative review

JR Lex, R Koucheki, J Toor, DJ Backstein - International Orthopaedics, 2023 - Springer
Purpose The development of augmented reality (AR) technology allows orthopaedic surgeons
to incorporate and visualize surgical data, assisting the execution of both routine and …

Surgical treatment for pelvic Ewing sarcoma: What is a safe and functional acetabular reconstruction when combined with modern multidisciplinary treatments?

T Fujiwara, JR Lex, JD Stevenson… - Journal of Surgical …, 2019 - Wiley Online Library
Purpose The purpose of this study was to clarify which local treatment is oncologically and
functionally effective in pelvic Ewing sarcoma (ES). Methods A consecutive series of patients …

[HTML][HTML] Improving Resource Utilization for Arthroplasty Care by Leveraging Machine Learning and Optimization: A Systematic Review

…, J Toor, JI Wolfstadt, B Ravi, C Whyne, JR Lex - Arthroplasty Today, 2023 - Elsevier
Background There is a growing demand for total joint arthroplasty (TJA) surgery. The
applications of machine learning (ML), mathematical optimization, and computer simulation have …

Acetabular complications are the most common cause for revision surgery following proximal femoral endoprosthetic replacement: what is the best bearing option in …

JR Lex, S Evans, MC Parry, L Jeys… - The Bone & Joint …, 2021 - boneandjoint.org.uk
Aims Proximal femoral endoprosthetic replacements (PFEPRs) are the most common
reconstruction option for osseous defects following primary and metastatic tumour resection. This …