Andrew Schwartz

Journal Article Foot Ankle Spec · April 2025 Background: Total ankle arthroplasty (TAA) utilization is increasing in the United States. As the incidence of this procedure grows, it is important for providers to understand the future projections for ankle arthroplasty and more importantly revision tot ... Full text Link to item Cite

Outcomes After Pseudomonas Prosthetic Joint Infections.

Journal Article J Am Acad Orthop Surg · May 15, 2024 BACKGROUND: Pseudomonas species are a less common but devastating pathogen family in prosthetic joint infections (PJIs). Despite advancements in management, Pseudomonas PJIs remain particularly difficult to treat because of limited antibiotic options and r ... Full text Link to item Cite

Tramadol use before total shoulder arthroplasty: patients have lower risk of complications and resource utilization than those using traditional opioids.

Journal Article J Shoulder Elbow Surg · April 2024 BACKGROUND: Evidence continues to mount for the deleterious effects of preoperative opioid use in the setting of total shoulder arthroplasty (TSA). Tramadol, a synthetic opioid with concomitant neurotransmitter effects, has become a popular alternative to ... Full text Link to item Cite

Risk factors for failure after rotational muscle flap coverage for prosthetic knee infections.

Journal Article J Orthop Surg (Hong Kong) · 2024 INTRODUCTION: Soft tissue defects are a devastating complication of prosthetic joint infections (PJI) after total knee arthroplasty (TKA). Rotational flaps are commonly utilized to address these defects with variable reports of success. This study aimed to ... Full text Link to item Cite

Age-Adjusted Modified Frailty Index Predicts 30-Day Complications and Mortality in Aseptic Revision Total Hip and Knee Arthroplasty.

Journal Article J Arthroplasty · January 2024 BACKGROUND: The age-adjusted modified frailty index (aamFI) has been demonstrated to effectively predict postoperative complications and healthcare resource utilization in patients undergoing primary total joint arthroplasty. The purpose of this study was ... Full text Link to item Cite

Patients Who Have Kellgren-Lawrence Grade 3 and 4 Osteoarthritis Benefit Equally From Total Knee Arthroplasty.

Journal Article J Arthroplasty · September 2023 BACKGROUND: Recently, some payers have limited access to total knee arthroplasty (TKA) to patients who have Kellgren-Lawrence (KL) grade 4 osteoarthritis only. This study compared the outcomes of patients who have KL grade 3 and 4 osteoarthritis after TKA ... Full text Link to item Cite

Reply to Letter to the Editor on "The Impact of Frailty on Outcomes Following Primary Total Hip Arthroplasty in Patients of Different Gender and Race: Is Frailty Equitably Detrimental?".

Journal Article J Arthroplasty · September 2023 Full text Link to item Cite

The Impact of Frailty on Outcomes Following Primary Total Hip Arthroplasty in Patients of Different Sex and Race: Is Frailty Equitably Detrimental?

Journal Article J Arthroplasty · September 2023 BACKGROUND: Whether frailty impacts total hip arthroplasty (THA) patients of different races or sex equally is unknown. This study aimed to assess the influence of frailty on outcomes following primary THA in patients of differing race and sex. METHODS: Th ... Full text Link to item Cite

Does Order of Operation Matter in Patients Who Have Concomitant Hip and Spine Pathology?

Journal Article J Arthroplasty · July 2023 BACKGROUND: In patients, who have coexisting lumbar spine and degenerative hip disease, there remains uncertainty regarding whether hip or spine surgery should be performed first. We hypothesized that undergoing total hip arthroplasty (THA) would protect a ... Full text Link to item Cite

Periarticular Injection in Total Knee Arthroplasty.

Journal Article J Am Acad Orthop Surg · June 15, 2023 Optimal pain management after total knee arthroplasty (TKA) can expedite postoperative recovery, improve perioperative outcomes, and increase patient satisfaction. Periarticular injections (PAIs) have become increasingly used to improve pain management aft ... Full text Link to item Cite

The Impact of Frailty Is Age Dependent in Patients Undergoing Primary Total Knee Arthroplasty: The Age-Adjusted Modified Frailty Index.

Journal Article J Arthroplasty · February 2023 BACKGROUND: Frailty is a well-established risk factor in patients undergoing total knee arthroplasty (TKA). How age modifies the impact of frailty on outcomes in these patients, however, remains unknown. In this study, we aimed to describe and evaluate the ... Full text Link to item Cite

Preoperative Depression Influences Outcomes Following Total Ankle Arthroplasty.

Journal Article Foot Ankle Spec · August 2022 INTRODUCTION: Total ankle arthroplasty (TAA) is increasing in incidence. While preoperative depression is known to affect outcomes following other procedures, its effect on outcomes following TAA are unknown. Therefore, the purpose of this study was to inv ... Full text Link to item Cite

Postoperative acetabular component position in revision hip arthroplasty: a comparison of the anterior and posterior approaches.

Journal Article Hip Int · July 2022 BACKGROUND: While previously considered unsuitable for revision total hip arthroplasty (rTHA), the direct anterior approach (DAA) can be extended to allow for safe acetabular component revision. In primary hip arthroplasty, the DAA and its associated fluor ... Full text Link to item Cite

Prosthetic Knee Infection With Coagulase-Negative Staphylococcus: A Harbinger of Poor Outcomes.

Journal Article J Arthroplasty · June 2022 BACKGROUND: Coagulase-negative staphylococci (CoNS) are biofilm-producing pathogens whose role in periprosthetic joint infection (PJI) is increasing. There is little data on the prognosis and treatment considerations in the setting of PJI. We sought to eva ... Full text Link to item Cite

The Age-Adjusted Modified Frailty Index: An Improved Risk Stratification Tool for Patients Undergoing Primary Total Hip Arthroplasty.

Journal Article J Arthroplasty · June 2022 BACKGROUND: Frailty and increasing age are well-established risk factors in patients undergoing total hip arthroplasty (THA). However, these variables have only been considered independently. This study assesses the interplay between age and frailty and in ... Full text Link to item Cite

Medicaid Payer Status Is Associated With Increased 90-Day Resource Utilization, Reoperation, and Infection Following Aseptic Revision Total Hip Arthroplasty.

Journal Article Iowa Orthop J · 2022 BACKGROUND: Prior literature has demonstrated increased resource utilization and perioperative complications in patients with a Medicaid payor status undergoing primary total hip and knee arthroplasty. This relationship has yet to be explored in patients u ... Link to item Cite

The Metabolic Syndrome Paradox: Increased Morbidity and Decreased Mortality in Operative Orthopedic Trauma.

Journal Article Orthopedics · 2022 We examined the impact of metabolic syndrome (MetS) on operative outcomes with orthopedic trauma, particularly among patients with pelvic, acetabular, and lower extremity fractures. This retrospective cohort study used the American College of Surgeons Nati ... Full text Link to item Cite

Association of Preoperative Opioid Use With Complication Rates and Resource Use in Patients Undergoing Hip Arthroscopy for Femoroacetabular Impingement.

Journal Article Orthop J Sports Med · November 2021 BACKGROUND: Preoperative opioid use has been shown to be a negative predictor of patient outcomes, complication rates, and resource utilization in a variety of different orthopaedic procedures. To date, there are no studies investigating its effect on outc ... Full text Link to item Cite

New-Onset Depression After Total Knee Arthroplasty: Consideration of the At-Risk Patient.

Journal Article J Arthroplasty · September 2021 BACKGROUND: Postoperative new-onset depression (NOD) has gained recent attention as a previously unrecognized complication which may put patients at risk for poor outcomes after elective total hip arthroplasty. We aimed to investigate risk factors for the ... Full text Link to item Cite

Capsular Management in Direct Anterior Total Hip Arthroplasty: A Randomized, Single-Blind, Controlled Trial.

Journal Article J Arthroplasty · August 2021 BACKGROUND: The direct anterior approach (DAA) is a popular approach to total hip arthroplasty (THA). Unlike the posterior approach, the importance of anterior capsular management is unknown. This randomized controlled trial compares capsular repair versus ... Full text Link to item Cite

Intraoperative Radiographic Detection of Intrapelvic Acetabular Screw Penetration: Lessons Learned From Our Trauma Colleagues.

Journal Article Arthroplast Today · April 2021 BACKGROUND: Intraoperative vascular injury during total hip arthroplasty represents a catastrophic complication. Acetabular screw placement represents one possible mode of injury. The purpose of this study was to evaluate the utility of various fluoroscopi ... Full text Link to item Cite

Impact of Frailty and Malnutrition on Outcomes After Surgical Fixation of Lower Extremity Fractures in Young Patients.

Journal Article J Orthop Trauma · April 1, 2021 OBJECTIVES: Evaluate the relationship of nutrition parameters and the modified frailty index (mFI) on postsurgical complications within a young patient population sustaining lower extremity orthopaedic trauma. DESIGN: Retrospective observational cohort stu ... Full text Link to item Cite

The Cost of Getting in: Is It Time for Change in the Adult Reconstruction Fellowship Application Process?

Journal Article Arthroplast Today · April 2021 BACKGROUND: The number of applicants to adult reconstruction fellowships (ARFs) has increased significantly in recent years, making the application process increasingly competitive. With this, applicants are applying to and interviewing at more programs wh ... Full text Link to item Cite

Preoperative Patient Factors and Postoperative Complications as Risk Factors for New-Onset Depression Following Total Hip Arthroplasty.

Journal Article J Arthroplasty · March 2021 BACKGROUND: Depression is known to be a risk factor for complication following primary total hip arthroplasty (THA), but little is known about new-onset depression (NOD) following THA. The purpose of this study is to determine the incidence of NOD and iden ... Full text Link to item Cite

Effects of race on blood loss in spinal fusions for adolescent idiopathic scoliosis.

Journal Article J Neurosurg Pediatr · February 1, 2021 OBJECTIVE: Posterior spinal fusion (PSF) for adolescent idiopathic scoliosis (AIS) can be associated with significant blood loss. It has been suggested that blood loss is greater in different racial groups. The purpose of this study was to evaluate differe ... Full text Link to item Cite

The impact of preoperative tramadol-only use on outcomes following total knee arthroplasty - Is tramadol different than traditional opioids?

Journal Article Knee · January 2021 BACKGROUND: Opioid use prior to total knee arthroplasty (TKA) is known to have detrimental influence on postoperative outcomes. Whether or not the same is true for tramadol is currently unclear. The aim of this study was to clarify the relationship between ... Full text Link to item Cite

Surgical Treatment of Talus OCL: Mid- to Long-Term Clinical Outcome With Detailed Analyses of Return to Sport.

Journal Article J Foot Ankle Surg · 2021 Talus osteochondral lesions are a commonly underdiagnosed problem in young athletes. Talus osteochondral lesions surgical algorithm remains controversial. Current metrics suggest that conventional treatment of osteochondral lesions of the talus is promisin ... Full text Link to item Cite

Preoperative Analgesia, Complications, and Resource Utilization After Total Hip Arthroplasty: Tramadol Is Associated With Less Risk Than Other Preoperative Opioid Medications.

Journal Article J Arthroplasty · January 2021 BACKGROUND: Preoperative opioid use is known to be detrimental to outcomes after total hip arthroplasty (THA). This is concerning as multiple societies recommend tramadol for the management of arthritis. The purpose of this study was to determine if tramad ... Full text Link to item Cite

Synthetic Mesh Reconstruction of Chronic, Native Quadriceps Tendon Disruptions following Failed Primary Repair.

Journal Article Case Rep Orthop · 2021 CASE: Two patients presented with chronic knee extensor mechanism disruption after failed primary repairs. Both patients had minimal ambulatory knee function prior to surgical intervention and were treated with a synthetic mesh reconstruction of their exte ... Full text Link to item Cite

Telerounding Offers High Patient Satisfaction After Total Joint Arthroplasty.

Journal Article HSS J · December 2020 BACKGROUND: Research in surgical fields other than orthopedics has demonstrated high patient satisfaction with non-traditional telerounding modalities. QUESTIONS/PURPOSES: We sought to determine patient satisfaction and Hospital Consumer Assessment of Heal ... Full text Link to item Cite

The use of tobacco is a modifiable risk factor for poor outcomes and readmissions after shoulder arthroplasty.

Journal Article Bone Joint J · November 2020 AIMS: The impact of tobacco use on readmission and medical and surgical complications has been documented in hip and knee arthroplasty. However, there remains little information about the effect of smoking on the outcome after total shoulder arthroplasty ( ... Full text Link to item Cite

Quantifying the Backlog of Total Hip and Knee Arthroplasty Cases: Predicting the Impact of COVID-19.

Journal Article HSS J · November 2020 BACKGROUND: Total hip arthroplasty (THA) and total knee arthroplasty (TKA) are two high-volume procedures that were delayed due to COVID-19. QUESTIONS/PURPOSES: To help strategize an effective return to elective orthopedic surgery, we aimed to quantify the ... Full text Link to item Cite

Patient Perceptions of COVID-19-Related Surgical Delay: An Analysis of Patients Awaiting Total Hip and Knee Arthroplasty.

Journal Article HSS J · November 2020 BACKGROUND: COVID-19 has caused unprecedented delays in elective orthopedic surgery. Understanding patients' perceptions of the disruptions in care and their willingness to reengage the healthcare system are crucial to planning the resumption of elective c ... Full text Link to item Cite

High acuity polytrauma centers in orthopaedic trauma: Decreasing patient mortality with effective resource utilization.

Journal Article Injury · October 2020 BACKGROUND: There is a select number of massive-volume, high-acuity trauma centers (HACs) in the United States. Expertise in polytrauma care has been associated with improved mortality in general surgery trauma, though has not been investigated in orthopae ... Full text Link to item Cite

Concomitant Malnutrition and Frailty Are Uncommon, but Significant Risk Factors for Mortality and Complication Following Primary Total Knee Arthroplasty.

Journal Article J Arthroplasty · October 2020 BACKGROUND: Total knee arthroplasty (TKA) demand continues to rise, but we are also gaining greater insight into patient risk factors for postoperative complications and excess resource utilization. There has been growing interest in frailty and malnutriti ... Full text Link to item Cite

Modifiability of Depression's Impact on Early Revision, Narcotic Usage, and Outcomes After Total Hip Arthroplasty: The Impact of Psychotherapy.

Journal Article J Arthroplasty · October 2020 BACKGROUND: Depression is known to negatively influence functional recovery, patient satisfaction, narcotic requirements, implant survivorship, and perioperative resource utilization after total hip arthroplasty (THA). The degree to which this effect is mo ... Full text Link to item Cite

Evidence-Based Hospital Procedural Volumes as Predictors of Outcomes After Revision Hip Arthroplasty.

Journal Article J Arthroplasty · October 2020 BACKGROUND: The aim of this study is to define the evidence-based institutional volume-outcome relationship in revision hip arthroplasty. We hypothesized that high-volume centers would be associated with superior outcomes, and that stratum-specific likelih ... Full text Link to item Cite

The use of tobacco is a modifiable risk factor for poor outcomes and readmissions after shoulder arthroplasty.

Journal Article Bone Joint J · September 13, 2020 AIMS: The impact of tobacco use on readmission and medical and surgical complications has been documented in hip and knee arthroplasty. However, there remains little information about the effect of smoking on the outcome after total shoulder arthroplasty ( ... Full text Link to item Cite

Combined Malnutrition and Frailty Significantly Increases Complications and Mortality in Patients Undergoing Elective Total Hip Arthroplasty.

Journal Article J Arthroplasty · September 2020 BACKGROUND: The demand for total hip arthroplasty (THA) continues to rise. While prior work has examined frailty and malnutrition independently, the additive effects of these conditions are unknown. Therefore, the purpose of this study was to evaluate the ... Full text Link to item Cite

Complications and mortality in patients with chronic kidney disease undergoing total shoulder arthroplasty

Journal Article Seminars in Arthroplasty JSES · July 1, 2020 Introduction: Shoulder arthroplasty (SA) provides pain relief and functional improvement in patients with shoulder arthritis. With increasing incidence of SA, there is a growing effort to risk-stratify these patients to diminish complication rates. The aim ... Full text Cite

Doing Our Part to Conserve Resources: Determining Whether All Personal Protective Equipment Is Mandatory for Closed Reduction and Percutaneous Pinning of Supracondylar Humeral Fractures.

Journal Article J Bone Joint Surg Am · July 1, 2020 BACKGROUND: Closed reduction and percutaneous pinning (CRPP) of supracondylar humeral fractures is one of the most common procedures performed in pediatric orthopaedics. The use of full, standard preparation and draping with standard personal protective eq ... Full text Link to item Cite

Projections and Epidemiology of Revision Hip and Knee Arthroplasty in the United States to 2030.

Journal Article J Arthroplasty · June 2020 BACKGROUND: As the incidence of primary total joint arthroplasty rises in the United States, it is important to investigate how this will impact rates of revision arthroplasty. The purpose of this study was to analyze the incidence and future projections o ... Full text Link to item Cite

Defining the Volume-Outcome Relationship in Reverse Shoulder Arthroplasty: A Nationwide Analysis.

Journal Article J Bone Joint Surg Am · March 4, 2020 BACKGROUND: As the utilization of reverse total shoulder arthroplasty (RSA) grows, it is increasingly important to examine the relationship between hospital volume and RSA outcomes. We hypothesized that hospitals that perform a higher volume of RSAs would ... Full text Link to item Cite

Resource Utilization for Patients With Distal Radius Fractures in a Pediatric Emergency Department.

Journal Article JAMA Netw Open · February 5, 2020 IMPORTANCE: Improvement of clinician understanding of acceptable deformity in pediatric distal radius fractures is needed. OBJECTIVE: To assess how often children younger than 10 years undergo a potentially unnecessary closed reduction using procedural sed ... Full text Link to item Cite

Impact of Prolonged Skeletal Traction in Patients With Acetabular Fractures.

Conference J Orthop Trauma · February 2020 OBJECTIVES: To explore the association between increased time in traction and in-hospital pulmonary complications in patients with acetabular fractures. DESIGN: Retrospective. SETTING: Level I trauma center. PATIENTS/PARTICIPANTS: One hundred ninety consec ... Full text Link to item Cite

Fractures of the Talus: Current Concepts.

Journal Article Foot Ankle Orthop · January 2020 UNLABELLED: Talus fractures continue to represent a challenging and commonly encountered group of injuries. Its near-complete articular cartilage surface, and its role in force transmission between the leg and foot, makes successful treatment of such injur ... Full text Link to item Cite

Managing Resident Workforce and Education During the COVID-19 Pandemic: Evolving Strategies and Lessons Learned.

Journal Article JB JS Open Access · 2020 BACKGROUND: The novel coronavirus and associated Coronavirus Disease 2019 (COVID-19) is rapidly spreading throughout the world, with robust growth in the United States. Its drastic impact on the global population and international health care is swift, evo ... Full text Link to item Cite

Impact of Frailty on 30-Day Morbidity and Mortality of Patients With Intertrochanteric Femur Fractures.

Journal Article Orthopedics · November 1, 2019 The aim of this study was to evaluate the association between frailty and 30-day morbidity and mortality in patients with intertrochanteric femur fractures. Furthermore, the authors sought to identify a specific frailty index score that would help identify ... Full text Link to item Cite

Hypoalbuminemia Is an Independent Risk Factor for 30-Day Mortality, Postoperative Complications, Readmission, and Reoperation in the Operative Lower Extremity Orthopaedic Trauma Patient.

Journal Article J Orthop Trauma · June 2019 INTRODUCTION: Malnutrition, as indicated by hypoalbuminemia, is known to have detrimental effects on outcomes after arthroplasty, geriatric hip fractures, and multiple general surgeries. Hypoalbuminemia has been examined in the critically ill but has large ... Full text Link to item Cite

Frailty and Malnutrition Are Associated With Inpatient Postoperative Complications and Mortality in Hip Fracture Patients.

Conference J Orthop Trauma · March 2019 OBJECTIVE: To examine the relationship of nutrition parameters with the modified frailty index (mFI) and postoperative complications in hip fracture patients. DESIGN: Retrospective observational cohort study. SETTING: Urban, American College of Surgeons-Ve ... Full text Link to item Cite

Simultaneous, Bilateral Acute Subscapularis Ruptures and Their Arthroscopic Management.

Journal Article Case Rep Orthop · 2019 We present the first known case of bilateral, acute ruptures of the subscapularis tendons following a bicycle accident in a 43-year-old male. He underwent right shoulder arthroscopic, anatomic subscapularis tendon repair two weeks postinjury, with the left ... Full text Link to item Cite

Surgical Management of Geriatric Ankle Fractures

Journal Article Techniques in Foot and Ankle Surgery · December 1, 2018 There is a perpetual increase in the number of elderly people in the United States, both as a function of raw population size, and improvements in health care and its delivery. As such, it is our duty as foot and ankle surgeons to be participants in the im ... Full text Cite

The Effect of Season and Weather on Orthopaedic Trauma: Consult Volume Is Significantly Correlated with Daily Weather.

Journal Article Adv Orthop · 2018 INTRODUCTION: On-call orthopedic clinicians have long speculated that daily consult volume is closely correlated with weather. While prior studies have demonstrated a relationship between weather and certain fracture types, the effect of weather on total o ... Full text Link to item Cite

Femur Fracture Associated with Knee Brace Wear in the Motocross Athlete: A Report of Two Cases and Review of the Literature.

Journal Article Case Rep Orthop · 2018 The sport of motocross entails off-road motorcycle racing and is associated with a high incidence of traumatic injury. While prophylactic knee braces are routinely worn, there has been anecdotal concern that brace use is linked to femoral shaft fractures. ... Full text Link to item Cite

What's New in Musculoskeletal Tumor Surgery.

Journal Article J Bone Joint Surg Am · December 20, 2017 Full text Link to item Cite

Building better bone: The weaving of biologic and engineering strategies for managing bone loss.

Journal Article J Orthop Res · September 2017 Segmental bone loss remains a challenging clinical problem for orthopaedic trauma surgeons. In addition to the missing bone itself, the local tissues (soft tissue, vascular) are often highly traumatized as well, resulting in a less than ideal environment f ... Full text Link to item Cite

Use of Chronic Methadone Before Total Knee Arthroplasty.

Journal Article J Arthroplasty · July 2017 BACKGROUND: A subset of patients who undergo total knee arthroplasty (TKA) are on methadone maintenance. They require more and often unpredictable quantities of opioids to function as effective painkillers. This study aims to compare the opioid requirement ... Full text Link to item Cite

Characterization of the Development of Acute-on-Chronic Exertional Compartment Syndrome A Case Report of Symmetric Compartment Syndromes and Review of the Literature.

Journal Article Bull Hosp Jt Dis (2013) · April 2017 Acute-on-chronic exertional compartment syndrome is a rare and severe progression of the likely common and more benign chronic exertional compartment syndrome. This is a report of one 17-year-old male on a pediatric inpatient service with bilateral anterio ... Link to item Cite

Ankle fractures in the elderly: risks and management challenges.

Journal Article Orthop Res Rev · 2017 Ankle fractures are the third most common osseous injury in the elderly, behind hip and distal radius fractures. While there is a rich history of clinical advancement in the timing, technique, perioperative management, and associated risks of hip fractures ... Full text Link to item Cite

A Demonstration of Physician-Generated Health Care Costs in an Initial Orthopaedic Visit

Journal Article Montefiore Journal of Musculoskeletal Medicine and Surgery · January 2017 Background: The cost of health care in the United States continues to grow faster than any other sector of the economy. A small portion of the health care costs is attributed to physician reimbursement, but orthopaedic surgeons have an abundance o ... Full text Cite

Novel Pathologic Finding of Digital Soft Tissue Chondroma in a Child: A Case Report and Review of Literature.

Journal Article Int J Surg Pathol · October 2015 Unlike osteochondromata that develop in the hand, soft tissue chondromata (STC) devoid of bone and tendinous attachments are exceedingly rare. They have been described in adult patients of middle age, though have not been previously reported in the pediatr ... Full text Link to item Cite