Timothy Leroux

ORCID: 0000-0002-5417-2372
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About
Contact & Profiles
Research Areas
  • Shoulder Injury and Treatment
  • Shoulder and Clavicle Injuries
  • Orthopedic Surgery and Rehabilitation
  • Nerve Injury and Rehabilitation
  • Total Knee Arthroplasty Outcomes
  • Knee injuries and reconstruction techniques
  • Musculoskeletal synovial abnormalities and treatments
  • Cannabis and Cannabinoid Research
  • Opioid Use Disorder Treatment
  • Cardiac Arrhythmias and Treatments
  • Trauma Management and Diagnosis
  • Orthopaedic implants and arthroplasty
  • Elbow and Forearm Trauma Treatment
  • Osteoarthritis Treatment and Mechanisms
  • Anesthesia and Pain Management
  • Tendon Structure and Treatment
  • Musculoskeletal pain and rehabilitation
  • Cardiovascular Syncope and Autonomic Disorders
  • Sports injuries and prevention
  • Biochemical effects in animals
  • Transplantation: Methods and Outcomes
  • Bone fractures and treatments
  • Orthopedic Infections and Treatments
  • Cardiac Arrest and Resuscitation
  • Emergency and Acute Care Studies

University of Toronto
2015-2024

University Health Network
2007-2024

Krembil Research Institute
2021-2024

Schroeder Arthritis Institute
2021-2022

Toronto Western Hospital
2007-2022

Health Net
2020-2021

Arthritis Foundation
2020-2021

Women's College Hospital
2013-2021

Arthritis Society
2021

McMaster University
2020

Background: There is a lack of high-quality population-based literature describing the epidemiology primary anterior shoulder dislocation. Purpose: To (1) calculate incidence density rate (IDR) dislocation requiring closed reduction (CR; “index event”) in general population and demographic subgroups, (2) determine risk factors for repeat CR. Study Design: Cohort study (prognosis); Level evidence, 2. Methods: All patients who underwent CR by physician Ontario between April 2002 September 2010...

10.1177/0363546513510391 article EN The American Journal of Sports Medicine 2013-11-25

<h3>Importance</h3> Controversy exists about the preferred surgical approach for total hip arthroplasty (THA). <h3>Objective</h3> To determine whether an anterior is associated with lower risk of complications than either a lateral or posterior approach. <h3>Design, Setting, and Participants</h3> Population-based retrospective cohort study all adults in Ontario, Canada, who had undergone primary THA osteoarthritis between April 1, 2015, March 31, 2018. All patients were followed up over...

10.1001/jama.2020.0785 article EN JAMA 2020-03-17

Reoperation rates following open reduction and internal fixation (ORIF) of midshaft clavicle fractures have been described, but reported nonunion, malunion, infection, implant removal varied. We sought to establish baseline of, risk factors for, reoperations ORIF in a large population cohort.Administrative databases were used identify patients sixteen sixty years age who had undergone an closed, fracture from April 2002 2010. The primary outcome was reoperation within two (isolated removal,...

10.2106/jbjs.m.00607 article EN Journal of Bone and Joint Surgery 2014-07-02

The aim of the present study was to compare 30- and 90-day re-admission rates complication outpatient inpatient total shoulder arthroplasty (TSA).The United States Medicare Standard Analytical Files database questioned identify patients who had undergone or TSA between 2005 2012. Patient characteristics were compared two groups using chi-squared analysis. Multivariate logistic regression analysis used control for differences in baseline patient terms post-operative complications within 90...

10.1302/0301-620x.99b7.bjj-2016-0976.r1 article EN The Bone & Joint Journal 2017-06-29

Knowledge of the rate and risk factors for re-revision, reoperation, readmission after revision anterior cruciate ligament reconstruction (ACLR) is limited.To determine ACLR.Descriptive epidemiology study.All patients who underwent first ACLR in Ontario, Canada, from January 2004 to December 2010 were identified followed until 2012. Exclusions included age <16 years, previous osteotomy, or multiligament knee reconstruction. The main outcome was re-revision ACLR. Secondary outcomes...

10.1177/0363546514548165 article EN The American Journal of Sports Medicine 2014-09-11

Background: Clinical studies of shoulder dislocations typically include adult patients (&gt;16 years age). Only small case series aged 10 to 16 are available guide management. Purpose: Using a cohort years, this study sought determine (1) the incidence density rate (IDR) primary anterior requiring closed reduction (CR) and (2) risk factors for repeat CR. Study Design: Cohort (prognosis); Level evidence, 2. Methods: With use administrative databases, who underwent CR dislocation in Ontario,...

10.1177/0363546515591996 article EN The American Journal of Sports Medicine 2015-08-07

Background: Evidence regarding the risk of end-stage osteoarthritis following cruciate ligament reconstruction is based upon small sample sizes and radiographic, rather than clinical, criteria. The goals this study were to determine knee arthroplasty, a surrogate for osteoarthritis, reconstruction, identify patient, provider, surgical factors that influence arthroplasty risk. Methods: Using administrative databases, we identified all patients who sixteen sixty years age had undergone in...

10.2106/jbjs.m.00393 article EN Journal of Bone and Joint Surgery 2014-01-01

Total knee arthroplasty (TKA) is one the most common elective procedures in world. Post-operative infection of its devastating complications, often necessitating multiple additional surgeries. We aimed to describe relationship between surgical duration and risk deep following primary TKA.In this cohort study we analyses TKAs done 2009 2016 Ontario, Canada. utilized restricted cubic splines identify a threshold that was associated with an increased for requiring surgery. Patients 'short'...

10.1016/j.eclinm.2019.09.015 article EN cc-by-nc-nd EClinicalMedicine 2019-10-23

There is increasing interest in outpatient shoulder arthroplasty (SA); however, the clinical evidence behind this practice sparse. The purpose of study was to assess safety SA performed an ambulatory surgery center and determine patient factors that are associated with increased risk for perioperative complications or dissatisfaction.Patient demographics operative variables were collected retrospectively patients undergoing at 2 centers a minimum follow-up 90 days. Patients completed...

10.1016/j.jses.2017.11.002 article EN cc-by-nc-nd JSES Open Access 2018-02-15

Osteochondral allograft transplantation (OCA) is often performed with concomitant meniscus (MAT) as a strategy for knee joint preservation, although to date, the effect of MAT on outcomes and failure rates after OCA has not been assessed.To determine clinical patients undergoing compared matched cohort isolated OCA.Control study; Level evidence, 3.Patients who underwent medial or lateral femoral condyle without by single surgeon were group (ipsilateral compartment). The per age, sex, body...

10.1177/0363546517744202 article EN The American Journal of Sports Medicine 2018-01-09

Little is known regarding the rates and risk factors for long-term postoperative opioid use among opioid-naïve patients undergoing elective shoulder surgery.To identify (1) proportion of surgery, (2) these patients, (3) associated with use.Cohort study; Level evidence, 3.A retrospective review a private administrative claims database was performed to those individuals who underwent surgery between 2007 2015. "Opioid-naïve" were identified as had not filled an prescription in 180 days before...

10.1177/0363546519837516 article EN The American Journal of Sports Medicine 2019-04-01
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