Studies

Response to Letter to the Editor Regarding "The Impact of Teaching Hospital Status on Postoperative Outcomes Among Adults Undergoing Short Segment Lumbar Instrumentation"

Kaghazchi A, Karnati J, Ashraf A, et al

Pathogenicity and Survival of Cutibacterium Acnes in Intervertebral Discs at Different Time Points : An In Vivo Study in Rats

Zhang M, Deng L, Jia J, et al

An animal laboratory study. This study aimed to investigate the pathogenicity and survival of Cutibacterium acnes ( C. acnes ) in rat intervertebral discs (IVD) across different time periods. Since…

Spinal Injury Trends During Swords of Iron War

Chechik Y, Abuhasira S, Akler D, et al

To analyze the incidence, mechanisms, anatomic distribution, and clinical outcomes of combat-related spinal injuries during high-intensity modern warfare ("Swords of Iron War"). Combat-related spinal…

Revisiting Survival in the Treatment of Spinal Metastases From Lung Cancer in the Modern Era of Immunotherapy and Molecular Targeted Treatment (2017-2022)

Striano BM, Ferrone ML, Holly KE, et al

Retrospective cohort. To assess survival among patients with spinal metastases from lung cancer treated over a time period that accounts for advances in immunotherapy and targeted treatments. The use…

Neurologic Adverse Events Following Three-Column Osteotomy for Adult Spine Deformities: A Prospective Multicenter Study

Kim AH, Sulieman A, Durand WM, et al

Prospective, multicenter study. To compare and characterize complications in adult spinal deformity (ASD) patients with and without three-column osteotomy (3CO). Although 3CO is associated with…

Letter to the Editor regarding "The Impact of Teaching Hospital Status on Postoperative Outcomes Among Adults Undergoing Short-Segment Lumbar Instrumentation"

Wang J

Prospective, Multicenter Study of Two-Level Cervical Arthroplasty With a PEEK-On-Ceramic Cervical Total Disc Replacement: Five-Year Follow-Up

Bae HW, Coric D, Strenge KB, et al

Prospective, nonrandomized cohort analysis. To evaluate five-year outcomes of patients treated with a polyetheretherketone (PEEK)-on-ceramic cTDR device at two levels for radiculopathy and/or…

Vitamin D and Bisphosphonate Therapy for Optimizing Outcomes in Spinal Fusion: A Systematic Review and Meta-Analysis

Sadh P, Kim J, Furlong C, et al

Systematic review and meta-analysis. To systematically evaluate the impact of perioperative vitamin D supplementation and bisphosphonate therapy on spinal fusion outcomes, patient-reported disability…

A Structured Ultrasound-Guided Workflow for Level Identification in Lumbar Spine Surgery

Loggia G, Soffin EM, Avrumova F, et al

Cadaveric validation study. To evaluate the accuracy of a structured four-step ultrasound (US)-guided workflow for lumbar spinal level identification (SLI) using cadaveric specimens. Despite the…

Preoperative Patient-Specific Factors Predict the Change in Adjacent Segment Range of Motion Three Years After Anterior Cervical Discectomy and Fusion

Hua K, LeVasseur C, Pitcairn S, et al

Prospective cohort study. To identify patient factors that predict changes in adjacent segment kinematics three years after ACDF. Approximately 25% of patients who undergo anterior cervical…

Letter to the Editor Regarding "Associated Factors for Increased Fat Infiltration in the Erector Spinae in Patients Undergoing Lumbar Surgery for Degenerative Conditions"

Cai J, Lu X, Zhang L

Improving the Effectiveness of Adolescent Idiopathic Scoliosis (AIS) Screening: A Prospective Study

Huang Z, Xiaohong W, Zheng L, et al

Diagnostic accuracy study. To evaluate the diagnostic performance of a combined screening method for adolescent idiopathic scoliosis (AIS), integrating scoliometer-based Angle of Trunk Rotation (ATR)…

Comparison of the Surgical Outcomes of Open-Door Laminoplasty, Double-Door Laminoplasty, and Selective Laminectomy for Degenerative Cervical Myelopathy: A Multicenter Prospective Study

Nagoshi N, Yamane J, Okubo T, et al

Multicenter, prospective cohort study. To compare the clinical outcomes of three posterior decompression techniques-open-door (OD) laminoplasty, double-door (DD) laminoplasty, and selective…

Listhesis and Spinopelvic Inclination of Upper Instrumented Vertebra Region and the Implications on Proximal Junctional Kyphosis

Diebo BG, Balmaceno-Criss M, Daher M, et al

Retrospective analysis of prospective data. Evaluate the impact of radiographic and morphologic configuration of the uppermost instrumented vertebrae (UIV) region on proximal junctional kyphosis…

The Impact of High Depressive Burden on Outcomes After Anterior Cervical Discectomy and Fusion

Herczeg C, Dalton JF, Baidya J, et al

Retrospective chart review of a single institution's ACDF patients. To evaluate how depressive burden impacts outcomes after anterior cervical discectomy and fusion (ACDF). Poor mental health is…

The Long-term Radiographic Fate of the Chronically ACL-Deficient Knee: Response

Shah A, Gumarathas K, Marks P, et al

The Long-term Radiographic Fate of the Chronically ACL-Deficient Knee: Letter to the Editor

Bolaños Bermúdez IA, Acosta NG, Panqueva Giraldo LN, et al

Metformin Reduces the Incidence of Shoulder Stiffness After Arthroscopic RC Repair: Letter to the Editor

Qin K, Zhao L, Wang Y

Metformin Reduces the Incidence of Shoulder Stiffness After Arthroscopic RC Repair: Response

Zhu Z, Chen H

What Is the "Perfect" Lateral Radiograph? Effects of Beam Directionality and Condylar Alignment on the Perceived Location of the Medial Patellofemoral Ligament: Letter to the Editor

Kose O

What Is the "Perfect" Lateral Radiograph? Effects of Beam Directionality and Condylar Alignment on the Perceived Location of the Medial Patellofemoral Ligament: Response

Aoki SK, Johnson BT, Khalil AZ, et al

Pay It Forward

Foster TE

Erratum

Haddad FS

The importance of axial rotation of the lower limb : a systematic review of measurement methods

Favier B, Acker A, Miles J, et al

Assessment of lower limb alignment is a cornerstone of orthopaedics. Few studies look at rotational alignment in the axial plane as measured by femoral version (FV) and tibial torsion (TT), both of…

Effect of prior rotator cuff repair technique and timing on clinical outcomes of reverse shoulder arthroplasty

Holt KE, Hao KA, Bindi VE, et al

Reverse shoulder arthroplasty (RSA) after prior rotator cuff repair (RCR) is commonly performed for recurrence of pain and arthritic progression; however, the influence of prior RCR timing and…

Coronal alignment parameters of the knee predict osteoarthritis development : a Coronal Plane Alignment of the Knee classification-based analysis using the Multicenter Osteoarthritis Study data

Kim JS, MacDessi SJ, Lee DW, et al

Mechanical varus or valgus alignment measures have been demonstrated to be closely related to knee osteoarthritis (KOA) development, but few attempts have been made to correlate the Coronal Plane…

Incidence of medical and surgical complications, and subsequent mortality, after hip fracture surgery : a nationwide cohort study from 2010 to 2021

Haugen KG, Hansen CM, Jensen SS, et al

Hip fracture patients are at high risk of complications affecting their treatment, recovery, and survival. Previous studies report considerable variation in complication rates, and comprehensive data…

Lower septic revision rates following cementless compared with cemented robotic-assisted total knee arthroplasty using a single implant design : a five-year survivorship analysis

Burgio C, Salmons HI, Zepeda KE, et al

The choice of fixation for total knee arthroplasty (TKA) remains controversial. Cementless designs incorporating highly porous titanium surfaces may achieve durable biological fixation and mitigate…

Interesting data, but further corroborative studies are often needed

Haddad FS

Primary total hip arthroplasty after prior osteosynthesis versus osteotomy : distinct risk profiles and the modifying effect of femoral fixation

Wagener N, Wu Y, Perka C, et al

To compare outcomes after primary total hip arthroplasty (THA) following prior ipsilateral osteosynthesis with prior ipsilateral osteotomy, and to assess whether femoral fixation modifies risk. Using…

Missing not at random : how much missing patient-reported outcome measure data is too much?

Williamson TR, Clement ND, Yapp LZ, et al

From surgical backlog to opioid burden : the case for opioid stewardship in arthroplasty pathways

Jamal N, Clement ND, Duckworth AD, et al

The prolonged waiting times for hip and knee arthroplasty have resulted in numerous negative effects for patients being reported, with none more important than increasing opioid reliance due to…

Single-use surgical gowns are associated with an increased rate of periprosthetic joint infection : analysis of 9,239 primary hip and knee arthroplasties from a single centre

Firth AM, Sian R, Nightingale J, et al

Periprosthetic joint infection (PJI) remains a serious complication of arthroplasty, associated with increased morbidity, mortality, and healthcare costs. While patient-related and procedural risk…

Comparison of the modified Broström-Gould procedure for chronic lateral ankle instability in adolescents with and without an os subfibulare : a propensity score-matched study

Xiong S, Li Y, Liu Z, et al

An os subfibulare (OS) is frequently seen in adolescents with chronic lateral instability of the ankle, potentially impairing participation in sport and the quality of life. The aim of this study was…

Hospital costs attributable to further fracture, reoperation, and death during the first year following hip fracture in England : a nationwide cohort study

Baji P, Gregson CL, Patel R, et al

Within one year after hip fracture in older adults living in England, this study aimed to estimate the inpatient hospital costs associated with subsequent complications, including further fractures,…

The management of distal humeral fractures in older patients

Yoong AWH, Super JT, Tan GJS, et al

The number of fractures of the distal humerus in older adults is rising due to an ageing population and an increasing incidence of fragility fractures. The management is based on the patient's…

Preoperative alignment and risk of proximal junctional failure : a framework for upper instrumented vertebra selection in adult spinal deformity

Hills J, Lenke LG, Smith JS, et al

Proximal junctional kyphosis (PJK) remains a major complication after surgery for adult spinal deformity (ASD). While postoperative alignment is a recognized modifiable risk factor, objective methods…

Time-course changes in bone mineral density after anatomical and reverse total shoulder arthroplasty : a dual-energy X-ray absorptiometry-based study

Nakazawa K, Manaka T, Ito Y, et al

Bone resorption around cementless short humeral stems is increasingly recognized after shoulder arthroplasty, but quantitative longitudinal data are lacking. We measured bone mineral density (BMD)…

Robotic arm-assisted bi-unicompartmental knee arthroplasty compared with conventional total knee arthroplasty : five-year clinical outcomes of a randomized controlled trial

Foxcroft WD, Doonan J, MacLean AD, et al

The aim of this study was to compare the outcomes between constitutionally aligned, robotic arm-assisted bi-unicompartmental knee arthroplasty (RA-bi-UKA) and conventional, mechanically aligned total…

What Is the Effect of Robot Reduction in Displaced Pelvic Fractures? A Multicenter Randomized Clinical Trial

Zhao C, Ge Y, Cao Q, et al

Displaced pelvic fractures present real surgical challenges because of complex three-dimensional deformity patterns and proximity to vital structures, with conventional manual reduction techniques…

CORR Insights®: Acute or Delayed TKA for Tibial Plateau Fracture? An Observational Study From the Swedish Arthroplasty Register

Cornell CN

Minimal Movement Restrictions Do Not Increase Hip Dislocations Following Total Hip Arthroplasty: A Before-and-After Study of 10,357 Patients

Klaassen AD, Willigenburg NW, Musters JWQ, et al

Hip dislocation is the most common reason for early revision after total hip arthroplasty (THA). To prevent dislocation, patients are often prescribed movement restrictions following THA; however,…

CORR Insights®: Is Higher Surgeon Volume Associated With Lower Complication and Revision Risk After Distal Radius Fracture Surgery? A Population-based Cohort Study of 13,389 Patients

O'Shaughnessy MA

Is Higher Surgeon Volume Associated With Lower Complication and Revision Risk After Distal Radius Fracture Surgery? A Population-based Cohort Study of 13,389 Patients

Persitz J, Zagorski B, Baltzer H, et al

Surgeon case volume has been linked with outcomes across many orthopaedic procedures, but its influence on distal radius fracture fixation remains uncertain. (1) For distal radius fracture surgery,…

On Patient Safety: Worsening Healthcare Costs Threaten Americans' Safety

Rickert J

Contralateral ACL Rupture as an Indicator of Intrinsic Risk for Graft Failure After ACL Reconstruction: A Cohort Study of 7718 Patients From the SANTI Study Group

Santamaria F, Culebras Almeida LA, Carrozzo A, et al

Graft failure after anterior cruciate ligament (ACL) reconstruction (ACLR) may be influenced by both extrinsic exposure and intrinsic patient susceptibility. A contralateral ACL rupture could reflect…

Putting the Problem of Dislocation Following Total Hip Arthroplasty into Perspective by Recalling the Past: Commentary on an article by Amanda D. Klaassen, MSc, et al.: " Minimal Movement Restrictions Do Not Increase Hip Dislocations Following Total Hip Arthroplasty. A Before-and-After Study of 10,357 Patients "

Robinson RP

Moving from Bedside to Bench, Increased Critical Shoulder Angle Impairs Tendon-to-Bone Healing in Rotator Cuff Repair in Rats: Commentary on an article by Yi Long, MD, et al.: " Increased Critical Shoulder Angle Impairs Tendon-Bone Healing in a Rat Model of Chronic Rotator Cuff Tears "

Chin PC

Antimicrobial Resistance in Periprosthetic Joint Infection: Use Correct Definitions for Better Clinical Decisions: Commentary on an article by Ruikang Guo, MBChB, et al.: " Microbial Resistance Patterns in Periprosthetic Joint Infection of the Knee. A 24-Year Longitudinal Study "

Baldy Dos Reis F, Salles MJ

Short-Term Outcomes Following Periportal Versus Interportal Capsulotomy With Closure in Nondysplastic Women Undergoing Hip Arthroscopy for Femoroacetabular Impingement

Johnson BT, Metz AK, Puzzitiello RN, et al

The periportal capsulotomy for hip arthroscopy minimizes iliofemoral ligament violation compared to T- and interportal capsulotomies, theoretically reducing the risk of postoperative instability…

CORR Insights®: Single Epidural Analgesia With Opioid-free IV-PCA Reduces Opioid Consumption in Lumbar Spine Surgery: A Randomized, Multicenter Trial

Reitman CA

Incomplete Restoration of Coracoclavicular Ligament Thickness After Surgical Treatment of Rockwood Type 5 Acromioclavicular Dislocations: A Contralateral-Controlled MRI Study With Functional Outcomes

Koluman AC, Tingir M, Ziroglu N, et al

Surgical fixation of Rockwood type 5 acromioclavicular (AC) dislocations can restore coracoclavicular (CC) distance radiographically, but whether the CC ligaments regain their native morphology is…

Art in Science: Perspectives Through Fire and Sand

Green SA

Beyond the Bone: Value Over Volume-Redefining Success in Orthopaedic Care

Kim TK

The Forward Movement: Amplifying Black Voices on Race and Orthopaedics-Medical Literacy is a Fallacy

Owusu-Akyaw K

Give the Cefazolin, Even in Patients with a Cephalosporin Allergy: Commentary on an article by Josef E. Jolissaint, MD, et al.: " Cefazolin and the R1 Side Chain. Why Patients with a Cephalosporin Allergy Can Be Safely Given Cefazolin While Undergoing Joint Arthroplasty "

Masri BA

Association Between Preoperative Joint Line Convergence Angle and Clinical Outcomes After Isolated Medial Meniscus Posterior Root Tear Repair

Ackermann J, Moews LD, Morgan JT, et al

While coronal malalignment influences outcomes after medial meniscus posterior root tear (MMPRT) repair, alignment parameters such as the hip-knee-ankle angle (HKAA) may not fully capture the…

Editor's Spotlight/Take 5: Cigarette Smoking Was Not Associated With Lower Odds of Radiographic Fusion After Combined TLIF and Posterolateral Lumbar (270°) Arthrodesis: A CT-based Retrospective Cohort Evaluation

Leopold SS

The Value of Specific Special Questions on Case Lists Submitted for ABOS Certification: Commentary on an article by Gregory P. Guyton, MD, et al.: " Insights into Evolving Trends and Controversies in Orthopaedic Surgery from the ABOS Case Collection System. Data from Current Procedural Terminology-Specific Special Questions, 2022 to 2024 "

Meller MM

Comparison of Multiligament Reconstruction in Individuals With BMI >30 and <30 kg/m

Tagliero AJ, Smith JR, Iyer S, et al

Despite the growing clinical relevance of obesity in the context of multiligament knee injuries, there remains a paucity of data evaluating patient-reported outcomes in this population. To compare…

Residency Diary: Percival Ignatius Penguin

Friedman LGM

Corrigendum to ''The Rectus Femoris Tendon as a Graft for Combined ACL and Anterolateral Reconstruction: A Biomechanical Evaluation''

Interbody Cages: Surface Technologies in Spinal Implants

Nassar JE, Ammar LA, Toavs TL, et al

&#x27a2; Implant surface characteristics play a critical role in promoting osseointegration and long-term spinal fusion success. &#x27a2; Titanium and polyetheretherketone (PEEK) are the most…

What's New in Orthopaedic Trauma

Padubidri A, Patterson BM

Insights into Evolving Trends and Controversies in Orthopaedic Surgery from the ABOS Case Collection System: Data from Current Procedural Terminology-Specific Special Questions, 2022 to 2024

Guyton GP, Harrast JJ, Martin DF, et al

&#x27a2; The American Board of Orthopaedic Surgery (ABOS) collects sequential Current Procedural Terminology (CPT)-coded surgical case lists both from Candidates for initial certification and from…

Editorial: Something Simple, Easy, and Useful for Call-taking Orthopaedic Surgeons

Leopold SS

The Effect of Minimalist Versus Motion Control Shoes on Patellofemoral Joint Forces in Adolescents With Patellofemoral Pain During Running: A Randomized Crossover Study

Kayll SA, Hinman RS, Bryant AL, et al

High joint forces can contribute to the pathogenesis of patellofemoral pain in adolescents. Minimalist shoes may reduce patellofemoral joint forces during running compared with commonly worn…

Delayed Surgical Treatment of Pediatric and Adolescent Medial Meniscus Posterior Root Tears Is Associated With Increased Odds of Medial Tibiofemoral Compartment Cartilage Injury: A Multicenter Study

Moran J, Amaral JZ, Ortiz E, et al

Medial meniscus posterior root tears (MMPRTs) have been associated with rapidly progressive cartilage degeneration when left untreated in adults. However, their clinical presentation, tear…

The Anterior Cruciate Ligament Injury Severity Scale (ACLISS) as a Predictor of Short-Term Reoperation and Functional Outcomes After ACL Reconstruction

Graham GD, Haffner M, Testa EJ, et al

The Anterior Cruciate Ligament Injury Severity Scale (ACLISS) was developed to classify the magnitude of damage to knee structures beyond the anterior cruciate ligament (ACL) (meniscus, cartilage,…

Cutting Technique of Soccer Players After ACLR: On-Field Matched Control Study

Di Paolo S, Mendicino M, Viotto M, et al

Anterior cruciate ligament (ACL) ruptures in soccer most commonly occur during cutting maneuvers with noncontact injury mechanisms. Biomechanical assessment of the cutting technique has become a…

Reply to the Letter to the Editor: What Factors and Patient-reported Outcome Measures Are Associated With Stress Fracture After Periacetabular Osteotomy?

Jochl OM, Trotzky ZA, Beltrame G, et al

Rat Model of Gluteus Medius Tendon Tear: Biomechanical and Histological Effects of Autologous Fascia Lata Augmentation

Aydemir S, Akin E, Havitcioglu C, et al

Primary repair of full-thickness gluteus medius tears is challenging, particularly in retracted tears with poor tissue quality. Augmentation with autologous fascia lata may enhance repair strength…

Femoral Version Measurements Vary Significantly Between Commonly Used Methods: Implications for Defining Diagnostic Thresholds

Vorimore C, Smit K, Rakhra K, et al

An accurate measurement of femoral version is essential for diagnosing version abnormalities, determining the need for a surgical intervention, and establishing the extent of correction required.…

Oral Contraceptive Use and Improved Graft Maturation After Anterior Cruciate Ligament Reconstruction in Female Patients: An MRI-Based Study

Masferrer-Pino A, Mart&#xed;nez-Pe&#xf1;as J, Ormazabal I, et al

Female athletes have a greater risk of anterior cruciate ligament (ACL) injuries, a disparity partly attributed to hormonal influences on ligament biomechanics and collagen metabolism. Oral…

Biomechanical Comparison of 4 Radial Meniscal Repair Techniques Including a Novel Dual Tie-Grip Configuration

Bachmaier S, Krych AJ, Bedi A, et al

Complex repairs of radial meniscal tears have shown increased fixation strength compared to conventional sutures. A simplified 2-suture hybrid and a novel dual tie-grip repair with interconnected…

Reply to the Letter to the Editor: Editorial: AAOS Orthobiologics Registry-Sometimes, More is Less

Gebhardt MC, Gioe TJ, Manner PA, et al

Surgical Management of SLAP Lesions in Baseball Throwers: Posterosuperior and Posterior Labral Debridement With or Without Anterosuperior Repair Yields High Return to Play Rates

Kin Y, Sugaya H, Onishi K, et al

Reported rates of return to the preinjury level of play (RTPL) after superior labrum anterior and posterior (SLAP) repair in overhead athletes are relatively low (22%-64%). Current fixation…

Clinical Utility of the Moving Valgus Stress Test and Milking Maneuver for Medial Ulnar Collateral Ligament Injuries of the Elbow

Sciascia AD, Bowman EN, Camp C, et al

Several special tests for detecting medial ulnar collateral ligament (MUCL) injuries of the elbow have been described, but data on the clinical utility of these tests are limited. To determine the…

The Modified Budin View: A Reliable and Accessible Screening Tool for Femoral Version Deformities in Joint-Preserving Hip Surgery

Heimann AF, Carrel J, Schmaranzer F, et al

Femoral version deformities are key in the diagnostic evaluation of young patients with hip pain. While computed tomography (CT) and magnetic resonance imaging (MRI) are commonly used for femoral…

CORR Insights&#xae;: Is Arm Dominance Associated With Clinically Meaningful Differences in Outcomes After Shoulder Arthroplasty?

Accousti KJ