Simultaneous Ipsilateral Anterior Cruciate Ligament and Proximal Hamstring Tendon Ruptures: A Case Report.

Introduction: Simultaneous anterior cruciate ligament (ACL) and ipsilateral hamstring ruptures have never been reported in the literature. The purpose of this article is to describe a treatment approach for such a case. The principles in this case can help guide treatment for any patient with concomitant ACL and hamstring pathology.

The Effect of Intra-articular Corticosteroid Injections on Vaccine Efficacy: A Current Concepts Review.

Orthopedic surgeons commonly perform corticosteroid injections. These injections have systemic side effects, including suppression of the hypothalamic-pituitary adrenal axis. Due to this suppression, there is a theoretical risk of corticosteroid injections affecting the efficacy of the novel COVID-19 vaccines.

A rare case report of tenosynovial chondromatosis of the semimembranosus-medial collateral ligament bursa.

Background: Synovial chondromatosis is an uncommon metaplastic process of the synovial lining that results in the formation of cartilaginous nodules within joints or their associated bursae or tendon sheaths. Radiologic evidence of mineralized bodies within these structures is typically pathognomonic for this condition. Extraarticular chondromatosis is rarer than intraarticular chondromatosis, and the knee is affected less frequently than the smaller joints of the hands and feet.

Risk Factors for Readmission following Anterior Cruciate Ligament Reconstruction.

The purpose of this study is to identify risk factors for readmission after anterior cruciate ligament (ACL) reconstruction and to determine costs associated with readmission. Using a private insurance claims' database, we identified patients who underwent ACL reconstruction from 2010 to 2015 using the International Classification of Diseases, Version 9 (ICD-9) and Current Procedural Terminology (CPT) codes. Univariate analysis was performed on demographic data, surgical characteristics, and comorbidities.

Edible coatings and lipid oxidation data in walnuts.

The information presented is part of an investigation that seeks a better understanding of lipid oxidation in walnuts. The data shown regarding edible coating, are one of the strategies used to investigate the effect over oxidation stability. For the present experiments, unshelled walnuts were coated with different formulations, and then stored at 37 °C, 20% RH for 6 weeks.

Factors associated with RVU generation in common sports medicine procedures.

Introduction: Relative value units (RVUs) are integral to the U.S. physician compensation system used by the Centers for Medicare & Medicaid Services.

Anterior Cruciate Ligament Injuries in the Older Athlete.

Context: Older adults are remaining active longer and continuing during later stages of life to participate in sports and activities that involve pivoting on 1 foot. The rate of anterior cruciate ligament (ACL) tears is increasing in people older than 40 years of age, which has caused a concomitant increase in the rate of surgical reconstruction.

Evidence Acquisition: We searched the PubMed database for articles published in English between January 1980 and January 2018 using the terms , , and .

Total Knee Arthroplasty after Anterior Cruciate Ligament Reconstruction.

The incidence of anterior cruciate ligament (ACL) reconstruction is increasing in the United States, particularly in the older athlete. Patients who undergo ACL reconstruction are at higher risk for undergoing total knee arthroplasty (TKA) later in life. TKA in patients with prior ACL reconstruction has been associated with longer operative time due in-part to difficulty with exposure and retained hardware.

Associations between preoperative depression and opioid use after anterior cruciate ligament reconstruction and concomitant procedures.

: To determine rates of perioperative opioid use and characterize associations between preoperative depression and chronic and cumulative opioid consumption after ACL reconstruction.: Using insurance claims data, we identified 48,657 adults who underwent ACL reconstruction from 2010 to 2015, had prescription drug insurance, and had ≥1 year of continuous insurance enrollment postoperatively. Chronic opioid use was defined as filling ≥120 days' supply from 3 to 12 months postoperatively.

Opioid Prescribing Trends and Geographic Variation After Anterior Cruciate Ligament Reconstruction.

Introduction: Opioid prescribing patterns play an important role in the opioid epidemic in the United States. The purpose of this study is to examine the trends and geographic variation in opioid prescribing patterns after anterior cruciate ligament (ACL) reconstruction.

Hypothesis: Regional differences in opioid prescribing patterns after ACL reconstruction are present.

Increasing incidence of primary reverse and anatomic total shoulder arthroplasty in the United States.

Background: The purpose of this study was to determine the incidence of primary reverse total shoulder arthroplasty (RTSA) and anatomic total shoulder arthroplasty (TSA) in the United States and examine changes in age- and sex-based procedure rates. A secondary goal was to determine the incidence of hemiarthroplasty.

Methods: Using nationally representative data along with US Census data, we identified >508,000 cases of primary RTSA, anatomic TSA, and shoulder hemiarthroplasty from 2012 to 2017.

Image-Guided Chondrocyte Harvesting for Autologous Chondrocyte Implantation: Initial Feasibility Study with Human Cadaver and Pilot Clinical Experience.

Background: Autologous chondrocyte implantation (ACI), a promising modality for repairing full-thickness cartilage defects, requires 2 consecutive arthroscopic procedures for chondrocyte harvesting and implantation. In the present study, we assessed the feasibility and efficacy of image-guided chondrocyte harvesting as an alternative to arthroscopic biopsy.

Methods: We induced full-thickness cartilage defects in 10 human cadaveric knees.

Determinants of knee replacement in subjects with a history of arthroscopy: data from the osteoarthritis initiative.

Objective: To investigate the risk and determinants of knee replacement (KR) in subjects with or at risk of osteoarthritis (OA) and a history of arthroscopy.

Methods: Data from the osteoarthritis initiative cohort were analyzed (n = 4796, up to the seventh year of follow-up). Cox proportional hazard analysis was used to determine the risk of KR according to the history of arthroscopy.

High-Resolution 3-T Magnetic Resonance Imaging of the Shoulder in Nonsymptomatic Professional Baseball Pitcher Draft Picks.

Objectives: To retrospectively assess the qualitative and quantitative high-resolution 3-T magnetic resonance imaging (MRI) findings in nonsymptomatic baseball pitcher draft picks.

Methods: Institutional review board-approved and HIPAA compliant study. Three-Tesla MRI of the dominant shoulder of 19 asymptomatic baseball pitcher draft picks and detailed clinical examination was performed before contract signing.

Factors Affecting Perceptions of Open, Mini-Open, and Arthroscopic Rotator Cuff Repair Techniques Among Medical Professionals.

Although no long-term difference between arthroscopic and mini-open rotator cuff repairs has been documented, use of arthroscopic repair has exploded. We conducted a study to determine which repair technique medical professionals preferred for their own surgery and to analyze the perceptions shaping those opinions. A survey was emailed to selected professionals at our institution: attendings, residents, and allied health professionals; 84 (41, 20, and 23, respectively) responded.

Epidemiology of Injuries in Major League Baseball Catchers.

Background: In part because of the perception that many injuries occur during collisions with the catcher at home plate, Major League Baseball (MLB) officials recently implemented rule changes to prevent these injuries. There is little research on the rate, type, and severity of injuries in MLB catchers.

Purpose: To (1) determine the types and severity of injuries to catchers, (2) determine catchers' athlete exposure (AE) rate of injuries, and (3) assess the perception that catchers are at risk for career-ending injuries caused by home plate collisions.

Three-Tesla MR imaging of the elbow in non-symptomatic professional baseball pitchers.

Objectives: To retrospectively evaluate the qualitative and quantitative 3-T MR imaging features of the elbow in non-symptomatic professional baseball pitchers presenting as major league draft picks or trades.

Materials And Methods: The Institutional Review Board (IRB) approved the HIPPA-compliant study. Informed consent was waived.

Anterior cruciate ligament injury alters preinjury lower extremity biomechanics in the injured and uninjured leg: the JUMP-ACL study.

Background: Information as to how anterior cruciate ligament (ACL) injury and reconstructive surgery (ACLR) alter lower extremity biomechanics may improve rehabilitation and return to play guidelines, reducing the risk for repeat ACL injury.

Aim: To compare lower extremity biomechanics before ACL injury and after subsequent ACLR for the injured and uninjured leg.

Methods: Baseline unilateral lower extremity biomechanics were collected on the dominant leg of participants without ACL injury when they entered the Joint Undertaking to Monitor and Prevent ACL (JUMP-ACL) study.

Cutaneous infections in wrestlers.

Context: Cutaneous infections are common in wrestlers. Although many are simply a nuisance in the everyday population, they can be problematic to wrestlers because such infections may result in disqualification from practice or competition. Prompt diagnosis and treatment are therefore important.

Upper-extremity peripheral nerve blocks in the perioperative pain management of orthopaedic patients: AAOS exhibit selection.

Background: Over the past twenty-five years, peripheral nerve blocks have become increasingly common for the management of perioperative pain of the upper extremity. Several factors have led to increasing acceptance and use of these peripheral nerve blocks, including a greater awareness and measurement of patient pain and a greater emphasis on decreasing the duration of hospital stays and associated costs.

Methods: We present a review of peripheral nerve blocks for procedures involving the upper extremity, including indications, contraindications, anatomy and technique, expected clinical outcomes and the associated levels of evidence, cost-effectiveness, and complications.

Lower-extremity peripheral nerve blocks in the perioperative pain management of orthopaedic patients: AAOS exhibit selection.

Background: The utilization of peripheral nerve blocks in orthopaedic surgery has paralleled the rise in the number of ambulatory surgical procedures performed. Optimization of pain control in the perioperative orthopaedic patient contributes to improved patient satisfaction, early mobilization, decreased length of hospitalization, and decreased associated hospital and patient costs. Our purpose was to provide a concise, pertinent review of the use of peripheral nerve blocks in various orthopaedic procedures of the lower extremity, with specific focus on procedural anatomy, indications, patient outcome measures, and complications.

Predisposing risk factors for non-contact ACL injuries in military subjects.

Purpose: The goal of this study was to document the incidence of anterior cruciate ligament (ACL) tears and possible risk factors for these injuries in a large population of young, athletic subjects.

Methods: The authors retrospectively reviewed the US Naval Academy's database of midshipmen admitted in 1999 and 2000 (n = 2,345) and prospectively followed until graduation 4 years later or disenrollment. Excluded were 658 who had a history of preadmission ACL injury or surgery, those without initial radiographs or documented baseline height and weight, or those who had documented contact ACL injuries.