Zachary C. Lum
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View article: Periprosthetic joint infection risk is comparable between unicompartmental knee arthroplasty to total knee arthroplasty conversion and primary total knee arthroplasty: A systematic review and meta‐analysis
Periprosthetic joint infection risk is comparable between unicompartmental knee arthroplasty to total knee arthroplasty conversion and primary total knee arthroplasty: A systematic review and meta‐analysis Open
Purpose Unicompartmental knee arthroplasty (UKA) offers benefits over total knee arthroplasty (TKA), but some studies indicated higher revision rates, often involving conversion to TKA. The infection risk associated with UKA to TKA convers…
View article: Identification and Categorization of the Top 100 Articles and the Future of Large Language Models: Thematic Analysis Using Bibliometric Analysis
Identification and Categorization of the Top 100 Articles and the Future of Large Language Models: Thematic Analysis Using Bibliometric Analysis Open
Background Since the release of ChatGPT and other large language models (LLMs), there has been a significant increase in academic publications exploring their capabilities and implications across various fields, such as medicine, education…
View article: Superior Wear Resistance of Highly Cross-Linked Cemented Polyethylene Cups in Young Patients: A Randomized Controlled Trial
Superior Wear Resistance of Highly Cross-Linked Cemented Polyethylene Cups in Young Patients: A Randomized Controlled Trial Open
Level I therapeutic study, randomized controlled trial.
View article: Evaluating Postoperative Follow-Up in Total Hip and Knee Arthroplasty: A Six-Year Review of Current Procedural Terminology Code 99024 and the Role of Comorbidity in Visit Frequency
Evaluating Postoperative Follow-Up in Total Hip and Knee Arthroplasty: A Six-Year Review of Current Procedural Terminology Code 99024 and the Role of Comorbidity in Visit Frequency Open
This study reports that a large portion of total joint arthroplasty patients required more than two PFUs during the 90-day global period. High-risk patients who had complex comorbidities necessitated more frequent follow-ups, suggesting an…
View article: Applicant Factors for Matching Into an Orthopaedic Foot and Ankle Fellowship
Applicant Factors for Matching Into an Orthopaedic Foot and Ankle Fellowship Open
Background: Over the past 2 decades, various initiatives have aimed to enhance diversity in orthopaedic surgery, promoting greater racial, ethnic, and gender equity. Building on this progress, demographic data on orthopaedic fellowship mat…
View article: After One Year, Where are Large Language Models Headed: A Thematic Analysis using Bibliometric Methodology (Preprint)
After One Year, Where are Large Language Models Headed: A Thematic Analysis using Bibliometric Methodology (Preprint) Open
BACKGROUND Since the release of ChatGPT and other large language models (LLMs), there has been a significant increase in academic publications exploring their capabilities and implications across various fields, such as Medicine, Educatio…
View article: Can Artificial Intelligence Fool Residency Selection Committees? Analysis of Personal Statements by Real Applicants and Generative AI, a Randomized, Single-Blind Multicenter Study
Can Artificial Intelligence Fool Residency Selection Committees? Analysis of Personal Statements by Real Applicants and Generative AI, a Randomized, Single-Blind Multicenter Study Open
Introduction: The potential capabilities of generative artificial intelligence (AI) tools have been relatively unexplored, particularly in the realm of creating personalized statements for medical students applying to residencies. This stu…
View article: Lesser Trochanter Apophyseal Avulsion Fracture: A Case Report and Review of the Literature
Lesser Trochanter Apophyseal Avulsion Fracture: A Case Report and Review of the Literature Open
Pediatric and adolescent apophyseal avulsion injuries are rare but important to recognize. This case report presents a 15-year-old male sprinter with a lesser trochanter apophyseal avulsion fracture who was treated nonoperatively. After 12…
View article: What’s Important: Health Literacy in Orthopaedics
What’s Important: Health Literacy in Orthopaedics Open
1Department of Orthopaedic Surgery, UC Davis Medical Center, School of Medicine, University of California, Davis, Sacramento, California 2Department of Public Health Sciences & Center for Healthcare Policy and Research, University of Calif…
View article: Trends in Orthopaedic Surgery Workforce Diversity: Analyzing Changes Over Time
Trends in Orthopaedic Surgery Workforce Diversity: Analyzing Changes Over Time Open
Introduction: There are many reasons why orthopaedic surgeons move or change careers. We asked the questions: (1) What is the geographic distribution of orthopaedic surgeons with respect to age, sex, and race and ethnicity? (2) How has our…
View article: Natural History of Opioid Use in Naive and Tolerant Patients in Revision Total Hip Arthroplasty
Natural History of Opioid Use in Naive and Tolerant Patients in Revision Total Hip Arthroplasty Open
Background: Opioid use after revision total hip arthroplasty (rTHA) has not been well characterized. The purpose of this study was to characterize preoperative, perioperative, and postoperative opioid use during rTHA. Methods: Patients und…
View article: The Impact of Bundled Payment Initiatives in Orthopedic Surgery Access to Care: Cherry Picking and Lemon Dropping
The Impact of Bundled Payment Initiatives in Orthopedic Surgery Access to Care: Cherry Picking and Lemon Dropping Open
This editorial explores the impact of bundled payment initiatives, specifically in the context of orthopedic surgery, on access to care. We examine the phenomenon of "cherry picking" healthier patients and "lemon dropping" higher-risk pati…
View article: Intravenous Dexmedetomidine Use in Total Hip Arthroplasty May Lead to Elevated Rates of Hypotension
Intravenous Dexmedetomidine Use in Total Hip Arthroplasty May Lead to Elevated Rates of Hypotension Open
Purpose Enhanced recovery protocols for total hip arthroplasty (THA), using opioid-sparing techniques have become widely used. Reports of novel additions to multimodal pain control regimens have been published, however, a paucity of litera…
View article: Can Artificial Intelligence Pass the American Board of Orthopaedic Surgery Examination? Orthopaedic Residents Versus ChatGPT
Can Artificial Intelligence Pass the American Board of Orthopaedic Surgery Examination? Orthopaedic Residents Versus ChatGPT Open
Background Advances in neural networks, deep learning, and artificial intelligence (AI) have progressed recently. Previous deep learning AI has been structured around domain-specific areas that are trained on dataset-specific areas of inte…
View article: Survivorship and Etiologies of Failure in Single-stage Revision Arthroplasty for Periprosthetic Joint Infection: A Meta-analysis
Survivorship and Etiologies of Failure in Single-stage Revision Arthroplasty for Periprosthetic Joint Infection: A Meta-analysis Open
Introduction: Single-stage revision arthroplasty for periprosthetic joint infection (PJI) may yield comparable infection-free survivorship with two-stage revision arthroplasty. It is unclear if the most common mode of failure of single-sta…
View article: Tantalum Cementless Versus Cemented Total Knee Arthroplasty: A Meta-analysis of Level 1 Studies
Tantalum Cementless Versus Cemented Total Knee Arthroplasty: A Meta-analysis of Level 1 Studies Open
Introduction: Controversy exists on the ideal type of fixation in total knee arthroplasty (TKA). Noncemented fixation has been theorized to improve patient outcomes and longevity of implantation without increased risk of aseptic loosening …
View article: Utility of D-dimer in total joint arthroplasty
Utility of D-dimer in total joint arthroplasty Open
As the number of patients receiving total joint replacements continues to rise, considerable attention has been directed towards the early detection and prevention of postoperative complications. While D-dimer has long been studied as a di…
View article: Aseptic Loosening in Single-Stage Revision Arthroplasty for Periprosthetic Joint Infection
Aseptic Loosening in Single-Stage Revision Arthroplasty for Periprosthetic Joint Infection Open
We set out to more definitively understand, using a meta-analysis, where we tried to assess the reoperation rates secondary to infection and aseptic loosening in single-stage revision total hips and total knees. Secondarily, we looked at t…
View article: Systematic review of single stage revision for prosthetic joint infection
Systematic review of single stage revision for prosthetic joint infection Open
While advanced technology, increased medical knowledge and improved surgical technique has improved patient outcomes in total joint arthroplasty, prosthetic joint infection still remains one of the leading causes of increased healthcare co…
View article: Spinopelvic alignment terminology is not the same!
Spinopelvic alignment terminology is not the same! Open
Keywords Sacral slope, spinopelvic alignment, spinopelvic fusion, spinopelvic motion, stuck sitting, stuck standing
View article: External iliac vein compression secondary to osteolysis-induced hematoma in total hip arthroplasty
External iliac vein compression secondary to osteolysis-induced hematoma in total hip arthroplasty Open
A 62-year-old man with a history of right total hip arthroplasty, who was managed conservatively for moderate osteolysis, presented with acute-onset, painless, significant, and diffuse right lower extremity edema. Initial laboratory marker…