Explanipedia

Machine Learning to Improve Resident Scheduling: Harnessing Artificial Intelligence to Enhance Resident Wellness Open

Aazad Abbas, Jay Toor, Denis Ariel Margalik, Jin Du, Anne Versteeg , et al. · 2025

Introduction: Excessive resident duty hours (RDH) is a recognized issue with implications for physician well-being and patient safety. A significant component of the RDH concern is on-call duty. While other industries have adopted machine …

External validation of a model using health administrative data to predict acetabular fracture probability: Brief report Open

Andrew Adamczyk, Martin James Kelly, Hans J. Kreder, George Grammatopoulos, Carl van Walraven · 2024

Analyses using population-based health administrative data can return erroneous results if case identification is inaccurate (“misclassification bias”). An acetabular fracture (AF) prediction model using administrative data decreased miscl…

Machine Learning to Improve Resident Scheduling: Harnessing Artificial Intelligence to Enhance Resident Wellness Open

Aazad Abbas, Jay Toor, Jin Du, Anne Versteeg, Nicholas J Yee , et al. · 2022

Purpose Excessive resident duty hours (RDH) is a recognized issue with implications for physician well-being and patient safety. A significant component of the RDH concern is on-call duty. While other industries have adopted machine learni…

Operative vs Nonoperative Treatment of Acute Unstable Chest Wall Injuries Open

Niloofar Dehghan, Aaron Nauth, Emil H. Schemitsch, Milena Vicente, Richard Jenkinson , et al. · 2022

Importance Unstable chest wall injuries have high rates of mortality and morbidity. In the last decade, multiple studies have reported improved outcomes with operative compared with nonoperative treatment. However, to date, an adequately p…

Accelerated Surgery Versus Standard Care in Hip Fracture (HIP ATTACK-1): A Kidney Substudy of a Randomized Clinical Trial Open

Flávia K. Borges, P.J. Devereaux, Meaghan S. Cuerden, Jessica M. Sontrop, Mohit Bhandari , et al. · 2022

Correlation of Residents’ Performance in Competency-Based Exams and Orthopaedic In- Training Examinations (OITE) Open

Tosan Okoro, Polina Mironova, Thrmiga Sathiyamoorthy, Jermey Hall, Peter Ferguson , et al. · 2021

Background: The research team aimed to assess the relationship between performance in a competency-based curriculum (CBC) evaluation, and the Orthopaedic In-Training Examination (OITE) in the Postgraduate Year 1 (PGY1) cohort of 2016-2017.…

Variation in surgical demand and time to hip fracture repair: a Canadian database study Open

Katie Jane Sheehan, Boris Sobolev, Pierre Guy, Jason D. Kim, Lauren A Beaupré , et al. · 2020

Association between socioeconomic deprivation and surgical complications in adults undergoing ankle fracture fixation: a population-based analysis Open

Jesse Wolfstadt, Daniel Pincus, Hans J. Kreder, David Wasserstein · 2019

Marginalized patients are at a significantly increased risk of infection and amputation following surgical treatment of ankle fractures. However, these complications are still extremely uncommon among this group. Socioeconomic deprivation …

Assessing Preoperative Mobility in Total Hip Arthroplasty: A SAFE T database study Open

Edward M. Vasarhelyi, Mina W. Morcos, Joel Phillips, Steven J. MacDonald, Lyndsay Somerville , et al. · 2019

A standard universal C-arm language: Assessing its need and its likelihood of acceptance Open

Jacob Stirton, Alexander D. Savage, Elliot M. Pally, Hans J. Kreder, Megan Mooney · 2018

The impact of thermal cycling on Staphylococcus aureus biofilm growth on stainless steel and titanium orthopaedic plates Open

Margarete K. Akens, Claudia Chien, Ryan N. Katchky, Hans J. Kreder, Joel Finkelstein , et al. · 2018

Reporting and evaluating wait times for urgent hip fracture surgery in Ontario, Canada Open

Daniel Pincus, David Wasserstein, Bheeshma Ravi, James P. Byrne, Anjie Huang , et al. · 2018

Exact wait times for urgent and emergent surgery can be measured using Canada's administrative data. Only one-third of patients received surgery within the safe time frame (24 h). Wait times varied according to hospital and physician facto…

Factors Associated With Revision Surgery After Internal Fixation of Hip Fractures Open

S. Sprague, Emil H. Schemitsch, M.F. Swiontkowski, Gino Rocca, Kyle J. Jeray , et al. · 2018

© 2018 Wolters Kluwer Health, Inc. All rights reserved. Background: Femoral neck fractures are associated with high rates of revision surgery after management with internal fixation. Using data from the Fixation using Alternative Implants …

Cochrane in CORR®: Negative Pressure Wound Therapy for Skin Grafts and Surgical Wounds Healing by Primary Intention Open

Herman Johal, Hans J. Kreder · 2018

Importance of the Topic Postoperative wound complications are among the most devastating experiences following a surgical procedure [1]. Surgical site infections make up approximately 20% of all hospital acquired infections, and studies re…

Association of Overlapping Surgery With Increased Risk for Complications Following Hip Surgery Open

Bheeshma Ravi, Daniel Pincus, David Wasserstein, Anand Govindarajan, Anjie Huang , et al. · 2017

IMPORTANCE: Overlapping surgery, also known as double-booking, refers to a controversial practice in which a single attending surgeon supervises 2 or more operations, in different operating rooms, at the same time. OBJECTIVE: To determine …

Practice patterns in the care of acute Achilles tendon ruptures Open

Ujash Sheth, David Wasserstein, Richard Jenkinson, Rahim Moineddin, Hans J. Kreder , et al. · 2017

Aims To determine whether the findings from a landmark Canadian trial assessing the optimal management of acute rupture of the Achilles tendon influenced the practice patterns of orthopaedic surgeons in Ontario, Canada. Materials and Metho…

Association Between Wait Time and 30-Day Mortality in Adults Undergoing Hip Fracture Surgery Open

Daniel Pincus, Bheeshma Ravi, David Wasserstein, Anjie Huang, Michael J. Paterson , et al. · 2017

Among adults undergoing hip fracture surgery, increased wait time was associated with a greater risk of 30-day mortality and other complications. A wait time of 24 hours may represent a threshold defining higher risk.

Symptomatic palliation with radiotherapy in extensive heterotopic ossifications Open

Mary Jiayi Tao, Linda Probyn, Michael Poon, Hans J. Kreder, Bo Wan , et al. · 2017

Heterotopic ossification (HTO) is the dystrophic formation of mature lamellar bone outside the confines of normal osseous tissues. It is frequently a complication which occurs following traumatic insult, both iatrogenic and non-iatrogenic,…

Potential discrepancy between plain films and CT scans in Brooker classification of heterotopic ossification Open

Tao Mary Jiayi, Linda Probyn, Michael Poon, Hans J. Kreder, Nousiainen Markku , et al. · 2017

Although the Brooker classification for HTO is a widely used quantitative and qualitative assessment tool given its simplicity and familiarity, it possesses several limitations. Utilization of other radiographic modalities, such as CT, and…

Exploring Canadian surgeons' decisions about postoperative weight bearing for their hip fracture patients Open

Leslie Carlin, Kathryn M. Sibley, Richard Jenkinson, Pia Kontos, Rhona McGlasson , et al. · 2016

For older adults with osteoporosis, a fall resulting in hip fracture is a life‐changing event from which only one‐third fully recover. Current best evidence argues strongly for elderly patients to bear weight on their repaired hip fracture…

Post-acute pathways among hip fracture patients: a system-level analysis Open

Kristen Pitzul, Walter P. Wodchis, Michael Carter, Hans J. Kreder, Jennifer Voth , et al. · 2016

Practice Patterns in the Care of Acute Achilles Tendon Ruptures Open

Ujash Sheth, David Wasserstein, Rahim Moineddin, Richard Jenkinson, Hans J. Kreder , et al. · 2016

Objectives: Over the last decade, there has been a growing body of level I evidence supporting non-operative management (focused on early range of motion and weight bearing) of acute Achilles tendon ruptures. Despite this emerging evidence…

Additional file 1: Table S1. of Post-acute pathways among hip fracture patients: a system-level analysis Open

Kristen Pitzul, Walter P. Wodchis, Michael Carter, Hans J. Kreder, Jennifer Voth , et al. · 2016

Epidemiology and resource indicators for all health regions in Ontario, fiscal 2008â 2013. Table S2. Demographic and clinical characteristics of persons admitted to acute care for surgical repair of hip fracture in Ontario, by health regio…

Additional file 3: Figure S2. of Post-acute pathways among hip fracture patients: a system-level analysis Open

Kristen Pitzul, Walter P. Wodchis, Michael Carter, Hans J. Kreder, Jennifer Voth , et al. · 2016

All possible post-acute care pathways for hip fracture patients in Ontario, fiscal 2008â 2013. (PDF 263Â kb)

Thermal cycling can extend tool life in orthopaedic operating rooms Open

Ryan N. Katchky, Stewart McLachlin, Edwin K.Y. Wong, Joel Finkelstein, Hans J. Kreder , et al. · 2015

Thermal cycling is a temperature modulation process developed to improve the performance, durability and longevity of materials. This process has been successfully utilized in the automotive, aeronautic and manufacturing industries. Surgic…

Reliability, Validity, and Responsiveness of the Western Ontario and McMaster Universities Osteoarthritis Index for Elderly Patients with a Femoral Neck Fracture Open

P.T.P.W. Burgers, Rudolf W. Poolman, Theodorus M. J. van Bakel, Wim E. Tuinebreijer, Stephanie M. Zielinski , et al. · 2015

The results are based on two clinical trials. The questionnaires used concern pure, clinically relevant issues (ability to walk, climb stairs, etc.). Moreover, the results can be used for future research comparing clinical outcomes (or tre…

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