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Articles 1 - 11 of 11
Full-Text Articles in Medicine and Health Sciences
Regional Variability In Use Of A Novel Assessment Of Thoracolumbar Spine Fractures: United States Versus International Surgeons, John Ratliff, Neel Anand, Alexander R. Vaccaro, Moe R. Lim, Joon Y. Lee, Paul Arnold, James S. Harrop, Raja Rampersaud, Christopher M. Bono, Ralf H. Gahr, Trauma Study Group Spine
Regional Variability In Use Of A Novel Assessment Of Thoracolumbar Spine Fractures: United States Versus International Surgeons, John Ratliff, Neel Anand, Alexander R. Vaccaro, Moe R. Lim, Joon Y. Lee, Paul Arnold, James S. Harrop, Raja Rampersaud, Christopher M. Bono, Ralf H. Gahr, Trauma Study Group Spine
Department of Orthopaedic Surgery Faculty Papers
Background: Considerable variability exists in clinical approaches to thoracolumbar fractures. Controversy in evaluation and nomenclature contribute to this confusion, with significant differences found between physicians, between different specialties, and in different geographic regions. A new classification system for thoracolumbar injuries, the Thoracolumbar Injury Severity Score (TLISS), was recently described by Vaccaro. No assessment of regional differences has been described. We report regional variability in use of the TLISS system between United States and non-US surgeons.
Methods: Twenty-eight spine surgeons (8 neurosurgeons and 20 orthopedic surgeons) reviewed 56 clinical thoracolumbar injury case histories, which included pertinent imaging studies. Cases were classified …
Does ‘Excessive’ Anticoagulation Predispose To Periprosthetic Infection?, Javad Parvizi, Elie Ghanem, Ashish Joshi, Peter F. Sharkey, William J. Hozack, Richard H. Rothman
Does ‘Excessive’ Anticoagulation Predispose To Periprosthetic Infection?, Javad Parvizi, Elie Ghanem, Ashish Joshi, Peter F. Sharkey, William J. Hozack, Richard H. Rothman
Department of Orthopaedic Surgery Faculty Papers
Background
Although persistent drainage and hematoma formation are recognized risk factors for the development of periprosthetic infection, it is not known if excess anticoagulation is a predisposing factor.
Methods
We conducted a 2 to 1 case-control study with 78 cases who underwent revision for septic failure. The controls underwent the same index procedure but did not develop consequent infection. Patient comorbidities, medications, intraoperative, and postoperative factors were compared.
Results
Postoperative wound complications including development of hematoma and wound drainage were significant risk factors for periprosthetic infection. A mean international normalized ratio of greater than 1.5 was found to be more …
Diet, Nutrition, Obesity And Their Role In Arthritis, Peter F. Sharkey, David L. Paskin, Thomas D. Meade, Richard H. Rothman
Diet, Nutrition, Obesity And Their Role In Arthritis, Peter F. Sharkey, David L. Paskin, Thomas D. Meade, Richard H. Rothman
Department of Orthopaedic Surgery Faculty Papers
Obesity and poor nutrition, individually and together, have created costly musculoskeletal disease epidemic in the United States. Processed food, with abundant "empty" calories, has contributed greatly to our dietary woes. Much of the food consumed today is packed with calories but refined to the point that essential nutrients are lacking. Even worse, processed food may have ingredients added that are detrimental to good health. Abundant research has documented a close relationship between obesity, poor diet and orthopaedic problems. Dietary supplements have been proven to provide both disease prevention and therapeutic benefits. Unfortunately, many weight loss programs and methods are ineffective …
Concave Pit-Containing Scaffold Surfaces Improve Stem Cell-Derived Osteoblast Performance And Lead To Significant Bone Tissue Formation., Antonio Graziano, Riccardo D'Aquino, Maria Gabriella Cusella-De Angelis, Gregorio Laino, Adriano Piattelli, Maurizio Pacifici, Alfredo De Rosa, Gianpaolo Papaccio
Concave Pit-Containing Scaffold Surfaces Improve Stem Cell-Derived Osteoblast Performance And Lead To Significant Bone Tissue Formation., Antonio Graziano, Riccardo D'Aquino, Maria Gabriella Cusella-De Angelis, Gregorio Laino, Adriano Piattelli, Maurizio Pacifici, Alfredo De Rosa, Gianpaolo Papaccio
Department of Orthopaedic Surgery Faculty Papers
BACKGROUND: Scaffold surface features are thought to be important regulators of stem cell performance and endurance in tissue engineering applications, but details about these fundamental aspects of stem cell biology remain largely unclear.
METHODOLOGY AND FINDINGS: In the present study, smooth clinical-grade lactide-coglyolic acid 85:15 (PLGA) scaffolds were carved as membranes and treated with NMP (N-metil-pyrrolidone) to create controlled subtractive pits or microcavities. Scanning electron and confocal microscopy revealed that the NMP-treated membranes contained: (i) large microcavities of 80-120 microm in diameter and 40-100 microm in depth, which we termed primary; and (ii) smaller microcavities of 10-20 microm in diameter …
Acute Proximal Hamstring Rupture, Steven B. Cohen, James Bradley
Acute Proximal Hamstring Rupture, Steven B. Cohen, James Bradley
Department of Orthopaedic Surgery Faculty Papers
Hamstring strain is common in athletes, and both diagnosis and surgical treatment of this injury are becoming more common. Nonsurgical treatment of complete ruptures has resulted in complications such as muscle weakness and sciatic neuralgia. Surgical treatment recently has been advocated to repair the complete rupture of the hamstring tendons from the ischial tuberosity. Surgical repair involves a transverse incision in the gluteal crease, protection of the sciatic nerve, mobilization of the ruptured tendons, and repair to the ischial tuberosity with the use of suture anchors. Reports in the literature of surgical treatment of proximal hamstring rupture are few, and …
Pathophysiology, Diagnosis, And Treatment Of Spinal Meningoceles And Arachnoid Cysts, Ryan M. Dahlgren, Eli M. Baron, Alexander R. Vaccaro
Pathophysiology, Diagnosis, And Treatment Of Spinal Meningoceles And Arachnoid Cysts, Ryan M. Dahlgren, Eli M. Baron, Alexander R. Vaccaro
Department of Orthopaedic Surgery Faculty Papers
Though the nomenclature regarding spinal arachnoid cysts and meningoceles is confusing and sometimes overlapping, spinal arachnoid cysts and meningoceles are distinct entities with different presentations and etiologies. Meningoceles are usually congenital lesions discovered at infancy with a high incidence of associated anomalies. Spinal arachnoid cysts are most often asymptomatic but can cause nerve root and/or cord compression. We review the presentation, pathophysiology, and management of these lesions.
Management Of Morel-Lavallee Lesion Of The Knee: Twenty-Seven Cases In The National Football League, Samir G. Tejwani, Steven B. Cohen, James P. Bradley
Management Of Morel-Lavallee Lesion Of The Knee: Twenty-Seven Cases In The National Football League, Samir G. Tejwani, Steven B. Cohen, James P. Bradley
Department of Orthopaedic Surgery Faculty Papers
BACKGROUND: The Morel-Lavallee lesion is a closed degloving injury most commonly described in the region of the hip joint after blunt trauma. It also occurs in the knee as a result of shearing trauma during football and is a distinct lesion from prepatellar bursitis and quadriceps contusion.
PURPOSE: To review the authors' experience with Morel-Lavallee lesion of the knee in the elite contact athlete to construct a diagnostic and treatment algorithm.
STUDY DESIGN: Case series; Level of evidence, 4.
METHODS: Twenty-seven knees in 24 players were identified from 1 National Football League team's annual injury database as having sustained a …
Rotator Cuff Contusions Of The Shoulder In Professional Football Players: Epidemiology And Magnetic Resonance Imaging Findings, Steven B. Cohen, Jeffrey D. Towers, James P. Bradley
Rotator Cuff Contusions Of The Shoulder In Professional Football Players: Epidemiology And Magnetic Resonance Imaging Findings, Steven B. Cohen, Jeffrey D. Towers, James P. Bradley
Department of Orthopaedic Surgery Faculty Papers
BACKGROUND: No published reports have studied the epidemiology and magnetic resonance imaging findings associated with rotator cuff contusions of the shoulder in professional football players.
PURPOSE: To determine a single professional football team's incidence, treatment, and magnetic resonance imaging appearance of players sustaining rotator cuff contusions of the shoulder.
STUDY DESIGN: Case series; Level of evidence, 4.
METHODS: From 1999 to 2005, a North American professional football team's injury records were retrospectively reviewed for athletes who had sustained a rotator cuff contusion of the shoulder during in-season participation. Those patients who had magnetic resonance imaging of the shoulder with a …
Three-Portal Technique For Anterior Cruciate Ligament Reconstruction: Use Of A Central Medial Portal, Steven B. Cohen, Freddie H. Fu
Three-Portal Technique For Anterior Cruciate Ligament Reconstruction: Use Of A Central Medial Portal, Steven B. Cohen, Freddie H. Fu
Department of Orthopaedic Surgery Faculty Papers
Standard endoscopic reconstruction of the anterior cruciate ligament (ACL) is performed with the use of 2 arthroscopic portals. The surgical error most commonly associated with ACL reconstruction is improper positioning of the tunnel. Errors in femoral tunnel position may be related to poor visualization of the lateral wall. When anatomic double-bundle ACL reconstruction is performed, proper visualization of the lateral wall is essential to ensure correct placement of both tunnels. We propose the use of a central portal, in addition to more standard anterolateral and anteromedial portals, to enhance visualization of the lateral wall. In addition, the arthroscope can be …
The Fate Of The Unexpected Positive Intraoperative Cultures After Revision Total Knee Arthroplasty, Robert L. Barrack, Ajay Aggarwal, R. Stephen J. Burnett, John C. Clohisy, Elie Ghanem, Peter Sharkey, Javad Parvizi
The Fate Of The Unexpected Positive Intraoperative Cultures After Revision Total Knee Arthroplasty, Robert L. Barrack, Ajay Aggarwal, R. Stephen J. Burnett, John C. Clohisy, Elie Ghanem, Peter Sharkey, Javad Parvizi
Department of Orthopaedic Surgery Faculty Papers
Of a consecutive series of 692 revision total knees at 3 centers, intraoperative cultures were unexpectedly found to be positive in 41 cases (5.9%). Of the 41, 29 (71%) cases had a single positive intraoperative culture and were determined to be a probable false positive based on absence of any other evidence of infection, of which 5 were treated with extended course of intravenous antibiotics after hospital discharge and the remaining 24 received no further treatment. None of these 24 patients manifested any sign of infection at follow-up, averaging 46 months (range, 24-74 months). Twelve patients were determined to have …
Recurrent Burner Syndrome Due To Presumed Cervical Spine Osteoblastoma In A Collision Sport Athlete - A Case Report., Ilan Elias, Michael A Pahl, Adam C Zoga, Maurice L Goins, Alexander R Vaccaro
Recurrent Burner Syndrome Due To Presumed Cervical Spine Osteoblastoma In A Collision Sport Athlete - A Case Report., Ilan Elias, Michael A Pahl, Adam C Zoga, Maurice L Goins, Alexander R Vaccaro
Department of Orthopaedic Surgery Faculty Papers
We present a case of a 35-year-old active rugby player presenting with a history of recurrent burner syndrome thought secondary to an osteoblastoma involving the posterior arch of the atlas. Radiographically, the lesion had features typical for a large osteoid osteoma or osteoblastoma, including osseous expansion, peripheral sclerosis and bony hypertrophy, internal lucency, and even suggestion of a central nidus. The patient subsequently underwent an en bloc resection of the posterior atlas via a standard posterior approach. The surgery revealed very good clinical results. In this report, we will discuss in detail, the presentation, treatment, and return to play recommendations …