Orthopedics Commons^™

Thoracolumbar Fractures: Historical Systems And Advancements With The Ao Spine Classification, Barry Ting Sheen Kweh, Alex R. Vaccaro, Gregory D. Schroeder, Jose A. Canseco, Maximilian Reinhold, Mohamed M. Aly, Sebastian Bigdon, Mohammad El-Skarkawi, Richard J. Bransford, Andrei Fernandes Joaquim, Harvinder Singh Chhabra, Emiliano Vialle, Rishi M. Kanna, Charlotte Dandurand, Cumhur Öner, Jin Wee Tee

Rothman Institute Papers

Study Design: Systematic Review. Objective: To describe the historical classifications of thoracolumbar injuries and their evolution into the AO Spine Thoracolumbar Injury Classification System. Methods: A systematic review of MEDLINE, EMBASE and Cochrane Databases was performed in keeping with Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines. Results: 445 articles were crystallized to 14 included studies. Simple categorization systems offered by Bohler or Watson-Jones merely identify fracture morphology. Holdsworth and Denis conveyed a sense of the stability of injuries by noting columns of stability, but still failed to take into consideration important factors such as neurological status or …

A Computer Vision And Machine Learning Approach To Classify Views In Distal Radius Radiographs, Rohan Vemu, Dion Birhiray, Bassem Darwish, Raven Hollis, Sai Unnam, Srikhar Chilukuri, Lorenzo Deveza

Faculty, Staff and Students Publications

Advances in computer vision and machine learning have augmented the ability to analyze orthopedic radiographs. A critical but underexplored component of this process is the accurate classification of radiographic views and localization of relevant anatomical regions, both of which can impact the performance of downstream diagnostic models. This study presents a deep learning object detection model and mobile application designed to classify distal radius radiographs into standard views-anterior-posterior (AP), lateral (LAT), and oblique (OB)- while localizing the anatomical region most relevant to distal radius fractures. A total of 1593 deidentified radiographs were collected from a single institution between 2021 and …

Return To Sport And Performance Outcomes After Hand Fractures In Professional Baseball Players, Ryan W. Paul, Sean M. Wilson, Gaston Davis, Amit Syal, Steven B. Cohen

Rothman Institute Papers

BACKGROUND: About 7% of injuries in the Major League Baseball (MLB) involve the hand. Fractures of the hand are not uncommon in professional baseball players while fielding or from being hit by a pitch while batting; however, the outcomes of professional baseball players treated both operatively and nonoperatively are unclear.

PURPOSE/HYPOTHESIS: The purpose of this study was to report the return-to-sport (RTS) rate, RTS time, and performance outcomes in professional baseball position players who sustained a hand fracture. The secondary purpose was to compare outcomes between positions and between operatively versus nonoperatively treated players. It was hypothesized that there would …

The Effect Of Celecoxib And Mumab911 On Strain Adaptive Bone Remodeling And Fracture Repair In Female Mice: Implications For Rapidly Progressive Osteoarthritis, Nicholas Ruggiero, Alexandra Ciuciu, Ashkan Sedigh, Ibtesam Rajpar, David Shelton, Patrice Belanger, Kathryn Gropp, John A. Collins, Theresa A. Freeman, Ryan E. Tomlinson

Department of Orthopaedic Surgery Faculty Papers

Debilitating pain is the primary clinical feature of osteoarthritis (OA) that drives the enormous healthcare costs. Osteoarthritis-related pain is often treated with non-steroidal anti-inflammatory drugs (NSAIDs), which effectively relieve pain and inflammation by inhibition of prostaglandin synthesis. Antibodies directed against nerve growth factor (NGF) were tested some time ago as an alternative potential analgesic for musculoskeletal pain, including osteoarthritis-related pain. Unfortunately, clinical development of these drugs was put on hold due to adverse outcomes - primarily rapidly progressive osteoarthritis. Both prostaglandin synthesis and NGF have been implicated as critical mediators of strain adaptive bone remodeling, which may play a role …

The Effect Of Nonsteroidal Anti-Inflammatory Drugs On Union Rates Following Operative Repair Of Distal Radius Fractures, Michael Chang, Alexis Kasper, Juliet Chung, Justin Wright, Margaret Pennington, Asif M. Ilyas

Student Papers, Posters & Projects

Purpose

Methods

Periprosthetic Femur Fractures After Total Hip Arthroplasty: Risk Factors And Management Strategies, Clarence Julian Clark Ii, Adam Friedman, Jaylyn Thompson

Rowan-Virtua Research Day

Background: Periprosthetic femur fractures (PFFs) are increasingly recognized as a significant complication following total hip arthroplasty (THA), particularly as the number of procedures rises. While THA is one of the most successful orthopedic surgeries, PFFs can compromise outcomes and demand complex management.

Objective: To review current literature and identify patient- and implant-related risk factors for PFFs, as well as to summarize effective management strategies guided by classification systems.

Methods: A structured literature review was conducted using PubMed, focusing on articles published in the past 10 years. Eight peer-reviewed studies were selected based on relevance to femoral fractures post-THA. Data on …

Impact Of Diabetes On Fall Related Lower Limb Fractures, Bryce M. Bellon, Daniel Salinas, Patrick De La Torre Shutz, Hunter Butler, Sean Corcoran, Kelsey Baker

Research Symposium

Background: Diabetes is a disorder that affects many Americans, characterized primarily by hyperglycemia due to either insulin resistance or lack of insulin secretion. This condition not only impacts blood sugar levels but also has significant effects on bone health. In diabetes, bone density is often decreased due to reduced osteoblast activity, which is responsible for bone formation, and increased osteoclast activity, which leads to bone resorption. This imbalance accelerates the breakdown of bone. Additionally, diabetics frequently suffer from lower extremity arterial disease (LEAD), which results in poor vascularization of the lower limbs. These factors contribute to an increased risk of …

Characterizing Fracture Distribution By Sex, Age, And Body Region: Insights From A Regional Population Study, Blake C. Martin, Jared Hensley, Juan Lopez Alvarenga

Research Symposium

Background: This Rio Grande Valley (RGV) region of South Texas is a unique region that is impoverished and medically underserved. We conducted this study in order to further the knowledge of orthopedics in this unique, medically underserved community. We sought to determine if certain body regions, based on sex and age, were at increased risk for fracture in this population. We hypothesized that females would have increased fracture frequency at older ages while males would have increased fracture frequency at all other ages. We also hypothesized that femur and forearm fractures would be increased in females compared to males.

Methods …

Incidence Of Allergic Reactions To Cefazolin In Patients With Penicillin Allergy Undergoing Operative Repair Of Pelvis Or Extremity Fracture, Hans Drawbert, Laclan Anderson, Marisa Fat, John Riehl

North Texas Research Forum 2025

Introduction Surgical site infections (SSI) account for 20% of all healthcare associated infections with an estimated yearly cost of $3.3 billion in the US alone (1). Cefazolin (Ancef) is a commonly used prophylactic antibiotic in orthopaedic surgery and has been shown to reduce SSI compared to other antibiotics, but potential cross-reactivity in patients with a penicillin allergy (PA) leads to concerns regarding the safety of cefazolin administration. This study evaluates the incidence of allergic reactions to cefazolin in patients undergoing orthopaedic surgery with a PA. Methods A retrospective cross-sectional database review study was conducted. Patients aged 18 or over who …

Association Between Glp-1 Agonist Use And Site-Specific Fracture Risk: A Retrospective Cohort Analysis, Nathan Zou, Joseph Bisiani, Brian Lynch

Stony Brook Orthopaedic and Musculoskeletal Journal

Background: Type 2 diabetes and obesity rates are expected to rise, possibly increasing the usage of Glucagon-like peptide-1 (GLP-1) agonists. Use of these agents for nondiabetic patients for weight loss I s approaching the number prescribed for diabetes. GLP-1 agonists may influence bone metabolism by promoting formation and reducing resorption, but their impact on fracture risk remains unclear. While some studies show no association, others suggest increased vulnerability. Most prior research has examined overall fracture risk without considering specific skeletal sites. This study aimed to compare site-specific fracture rates in adults with T2DM or obesity receiving GLP-1 therapy with those …

An Experience With A Concurrent Bilateral Tibia Interlocking Nailing: Its About Dancing With The Rhythm, Hoh Wee Liam Dr, Eyrique Goh Boay Heong, Hanif Azman

Manipal Journal of Nursing and Health Sciences

Tibial shaft fractures are the most common injuries resulting from high energy trauma such as motor vehicle accident or fall from height. Operative management options of tibia shaft fractures include intramedullary nailing, plating or external fixation or conservative by casting. Interlocking nail of tibia remains favorite among other type of surgical fixation as patient can rehabilitate post op earlier.

Interlocking nail of bilateral tibia are usually performed sequentially in view of patient needing to be properly positioned to allow easy entry and reaming of interlocking nail. Hence, this will prolong operative time, thus increasing risk of general anaethesia and surgical …

Five-Year Mortality Rates Following Elective Shoulder Arthroplasty And Shoulder Arthroplasty For Fracture In Patients Over Age 65., Adam Khan, Xiaoran Zhang, Erlyn Macarayan, Matthew Best, Catherine Fedorka, Derek Haas, April Armstrong, Andrew Jawa, Evan O'Donnell, Jason Simon, Eric Wagner, Momin Malik, Michael Gottschalk, Gary Updegrove, Jon Warner, Uma Srikumaran, Joseph Abboud

Rothman Institute Papers

BACKGROUND: To effectively counsel patients prior to shoulder arthroplasty, surgeons should understand the overall life trajectory and life expectancy of patients in the context of the patient's shoulder pathology and medical comorbidities. Such an understanding can influence both operative and nonoperative decision-making and implant choices. This study evaluated 5-year mortality following shoulder arthroplasty in patients ≥65 years old and identified associated risk factors.

METHODS: We utilized Centers for Medicare & Medicaid Services Fee-for-Service inpatient and outpatient claims data to investigate the 5-year mortality rate following shoulder arthroplasty procedures performed from 2014 to 2016. The impact of patient demographics, including fracture …

Evaluation Of Perioperative Care And Drivers Of Cost In Geriatric Thoracolumbar Trauma, Omar Tarawneh, Rajkishen Narayanan, Michael Mccurdy, Tariq Issa, Yunsoo Lee, Olivia Opara, Nicholas Pohl, Alexa Tomlak, Matthew Sherman, Jose Canseco, Alan Hilibrand, Alex Vaccaro, Gregory Schroeder, Christopher Kepler

Department of Orthopaedic Surgery Faculty Papers

INTRODUCTION: As the population of elderly patients continues to rise, the number of these individuals presenting with thoracolumbar trauma is expected to increase.

RESEARCH QUESTION: To investigate thoracolumbar fusion outcomes for patients with vertebral fractures as stratified by decade. Secondarily, we examined the variability of cost across age groups by identifying drivers of cost of care.

MATERIALS AND METHODS: We queried the United States Nationwide Inpatient Sample(NIS) for adult patients undergoing spinal fusion for thoracolumbar fractures between 2012 and 2017. Patients were stratified by decade 60-69(sexagenarians), 70-79(septuagenarians) and 80-89(octogenarians). Bivariable analysis followed by multivariable regression was performed to assess independent …

Tendon Rupture And Tendonitis In Low-Profile Dorsal Versus Volar Plating For Distal Radius Fractures: A Systematic Review And Meta-Analysis, Matthew Myhand, Shreya Balusu, Alex Lindahl Bs, Hardy Evans Md, Charles Day Dr., Eric Jiang Dr.

Medical Student Research Symposium

Tendon Rupture and Tendonitis in Low-Profile Dorsal versus Volar Plating for Distal Radius Fractures: A Systematic Review and Meta-Analysis

Background: Dorsal plating of distal radius fractures has historically been associated with high rates of hardware removal, tendonitis, and tendon rupture. Newer generation low-profile dorsal plates are thinner (<1.6mm thick) with improved characteristics. We examine whether low-profile dorsal plates still have higher rates of tendon complications than volar locking plates.

Methods: We searched Ovid MEDLINE, Web of Science, and EMBASE for published literature describing tendon complications in association with plating of distal radius fractures. Inclusion criteria encompasses any primary study of low-profile dorsal plates that included data on tendon complications. Studies that included both low-profile dorsal and volar plating arms were included …

Modified Himawari Technique For Comminuted Patella Fractures: A Case Report - An Economically Yet Rigidly Efficient Option, Leong Li Theng Dr, Eyrique Goh Boay Heong Dr

Manipal Journal of Nursing and Health Sciences

Comminuted patella fracture is a tricky and complicated case to manage and yet a common fracture. It’s often complicated with post operative pseudoarthrosis, malunion, poor rehabilitation and reduced knee range of motion. Tension band wiring, Cerclarge wiring and screw fixation are the common surgical modalities however it’s unable to hold peripherally scattered fragments in place rigidly. It is often associated with failure osteosynthesis, fracture displacement, resulting in post op osteoarthritis. Here we demonstrate a case of a modification of the original Himawari Technique as a much cost-effective method compared to the original, while being a superior treatment option with good …

Konsep Diagnosis Dan Penatalaksanaan Fraktur Osteoporosis Terkini, I Gusti Ngurah Wien Aryana, Febyan Febyan

Jurnal Penyakit Dalam Indonesia

Osteoporosis is a metabolic bone disease that is caused by a decreased amount of bone mass, and microarchitectural damage to bone tissue that affects the bone to break easily. Osteoporosis can be divided into primary and secondary etiologies. Vertebral, hip, distal radius, and proximal humerus are the most common predilection of fracture complication due to osteoporosis. The diagnosis of osteoporotic fractures is established based on the identification of risk factors, general clinical manifestations, specific manifestation from each fracture predilection, and advanced examinations, including radiology imaging and dual-energy x-ray absorptiometry. The purpose of osteoporotic fractures management in elderly is a stable …

Preoperative Computed Tomography Scan In Distal Radius Fractures And The Effect On Preoperative Planning, Adam L. Haydel, Ryan C. Roubion, Cristina T. Graphia, Corinne E. Cloud, Claudia Leonardi, Christopher E. Marrero

School of Medicine Faculty Publications

Purpose: It is unclear whether computed tomography (CT) scans alter the surgical plan when ordered before surgery for fixation of intra-articular distal radius fractures (DRFs). The purpose of this study was to determine whether a preoperative CT scan alters the planned approach (PA) or planned fixation strategy (PFS) for open reduction internal fixation of intra-articular DRFs. Methods: Radiology records were retrospectively reviewed by one trauma surgeon and two hand surgeons for 33 intra-articular DRFs that met the inclusion criteria and previously underwent open reduction internal fixation. Surgeons were initially provided only preoperative radiographs; they were asked for their PA and …

Bad To The Bone. Not All Bone Tumors Are Cancer: Case Of Long Bone Osteomyelitis, Tat W. Yau, Bennet D. Franz, Hanadi A. Osman, Jessica C. Rivera, Ashaur Azhar

School of Medicine Faculty Publications

Long bone osteomyelitis could mimic bony tumor in clinical presentation and imaging studies. We present a case of a 47-year man who presented with leg pain, weight loss and night sweats that initially was thought to be related to osteosarcoma, later suffered a pathologic fracture from Staphylococcus aureus osteomyelitis. This case highlights the importance of source control of infection and careful clinical evaluation including radiographic and pathologic findings that can help physicians to differentiate between competing diagnoses.

Pediatric Supracondylar Humeral Fractures: Epidemiology And Mechanisms Of Injury During The Covid-19 Pandemic, Dan Cohen, Jeffrey Kay, Mohammed Shehab, Darren De Sa, Devin C. Peterson, Waleed Kishta

Western Journal of Orthopaedics

Background: The purpose of this study was to evaluate the impact of the COVID-19 pandemic activity restrictions on pediatric supracondylar humerus fracture epidemiology in terms of both mechanism of injury and fracture patterns.

Methods: This was a retrospective chart review of all patients presenting with types II-IV supracondylar humerus fractures between March 15^th and June 30^th 2020 at the McMaster University Medical Centre. Data were collected from our secure electronic medical records for information on patient demographic data, mechanism of injury, operative reports and imaging. 5 treating surgeons independently analyzed each patient’s radiographs and classified them according …

Evolution Of The Ao Spine Sacral And Pelvic Classification System: A Systematic Review, Barry Ting Sheen Kweh, Jin W. Tee, F. Cumhur Oner, Klaus J. Schnake, Emiliano N. Vialle, Frank Kanziora, Shanmuganathan Rajasekaran, Marcel Dvorak, Jens R. Chapman, Lorin M. Benneker, Gregory Schroeder, Alexander R. Vaccaro

Rothman Institute Papers

OBJECTIVE: The purpose of this study was to describe the genesis of the AO Spine Sacral and Pelvic Classification System in the context of historical sacral and pelvic grading systems.

METHODS: A systematic search of MEDLINE, EMBASE, Google Scholar, and Cochrane databases was performed consistent with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines to identify all existing sacral and pelvic fracture classification systems.

RESULTS: A total of 49 articles were included in this review, comprising 23 pelvic classification systems and 17 sacral grading schemes. The AO Spine Sacral and Pelvic Classification System represents both the evolutionary …

Survivorship, Complications, And Outcomes Following Distal Femoral Arthroplasty For Non-Neoplastic Indications., Keenan Rhys Sobol, Brianna R Fram, John T Strony, Scot A Brown

Department of Orthopaedic Surgery Faculty Papers

AIMS: Endoprosthetic reconstruction with a distal femoral arthroplasty (DFA) can be used to treat distal femoral bone loss from oncological and non-oncological causes. This study reports the short-term implant survivorship, complications, and risk factors for patients who underwent DFA for non-neoplastic indications.

METHODS: We performed a retrospective review of 75 patients from a single institution who underwent DFA for non-neoplastic indications, including aseptic loosening or mechanical failure of a previous prosthesis (n = 25), periprosthetic joint infection (PJI) (n = 23), and native or periprosthetic distal femur fracture or nonunion (n = 27). Patients with less than 24 months' follow-up …

Innovations In Cervical Spine Trauma: Developing The Next Generation Upper Cervical Spine Injury Classification System, Brian A Karamian, Hannah Levy, Paul D. Minetos, Michael L. Smith, Alex R. Vaccaro

Rothman Institute Papers

The upper cervical spine not only consists of intricate bony and ligamentous anatomy affording unique flexibility but also has increased susceptibility to injuries. The upper cervical spine trauma can result in a wide spectrum of injuries that can be managed both operatively and nonoperatively. Several existing classification systems have been proposed to describe injuries of the upper cervical spine, many of which rely on anatomic descriptions of injury location. Prior fracture classifications are limited in scope, characterizing fractures restricted to a single region of the upper cervical spine, and fail to provide insight into injury management. The AO Spine Upper …

Frequency Of Angular Malalignment After Intramedullary Nailing For Femur Shaft Fractures - A Cross-Sectional Study, Hammad Naqi Khan, Moiz Ali, Rizwan Haroon Rashid, Yasir Mohib, Pervaiz Hashmi

Section of Orthopaedic Surgery

Objective: To determine the frequency of angular malalignment of femur in patients undergoing Intra Medullary nailing for femur shaft fracture by measuring axis on immediate postoperative plain radiographs.
Methods: A cross-sectional study was conducted at the Section of Orthopaedics, Department of Surgery, Aga Khan University Hospital, Karachi from 1st January 2019 till 30th June 2019. All patients between the ages of 15 to 80 years who underwent IM nailing for femur shaft fractures were included. Angulation was measured on immediate post-operative X-ray films and an angle of ≥5° on AP and/or lateral views was defined as malalignment.
Results: A total …

Excision Of A Rare Triquetral Body Fracture Nonunion, Michael J. Niemann, William C. Brooks, Priscilla Cavanaugh, Andrea B. Lese, John S. Taras

Faculty & Staff Scholarship

Aside from the more common dorsal avulsion fractures, isolated triquetral body fractures are a rare injury and often missed. When they are identified, conservative treatment via immobilization is often the standard of care for initial treatment. Rarely, triquetral body fractures can develop into symptomatic nonunions, causing considerable pain and disability. Multiple classification schemes have been described to categorize triquetrum fractures; however, distal triquetrum fractures fit into none of the established models. There is scarce literature describing treatment of triquetral body fracture nonunions. The few reports that exist often use a variation of open reduction internal fixation with or without grafting …

Isolated Proximal Fibula Fractures In Young Athletes Mimic Lateral Collateral Ligament Injury, Aaron M. Gray, Jason H. Nielson

Western Journal of Orthopaedics

Lateral knee injury is common among adolescent athletes in both contact and non-contact sports. Injuries in this population deserve special consideration regarding diagnosis and treatment due to the presence of open, closing, or recently closed physes. We describe two cases of isolated proximal fibula fractures with knee pain and laxity to varus stress in young athletes. Isolated proximal fibula fractures can mimic lateral collateral ligament injuries in the knee. Treatment for these injuries is conservative with bracing, protected weight bearing, and delayed or protected return to activity.

Fracture Blisters, Jessica Khabra, Jinal K. Patel, Gauthier L. Stepman, Kulveer Dabb, Kenny Hernandez, Debra Angelo, Johnathan Frunzi

West Florida Division GME Research Day 2020

Fracture blisters are tense vesicles or bullae that develop on edematous skin following some acute long bone fractures. Fracture blisters are infrequently seen, as the reported incidence is 2.9% to 6.6%.¹ This rare complication, may not regularly be encountered by Physicians in the hospital. Fracture blisters typically occur within 24-48 hours following high energy trauma injuries & may last up to several weeks. Ultimately, this condition can lead to prolonged hospital stay due to an increased risk of infection and delay in surgical intervention.² Early recognition of this dermatologic complication may be helpful in reducing hospital stays.

Bilateral Posterior Fracture-Dislocation Of The Proximal Humerus After First-Time Seizure, John D. Murphy, Phillip Braunlich, Mohit Bansal

West Florida Division GME Research Day 2020

Fractures of the proximal humerus are commonly associated with osteoporosis and comprise 5.7% of all adult fractures [1]. Posterior dislocations of the shoulder comprise 2-5% of all shoulder dislocations, and when bilateral are even more infrequent, occurring less than 5%. [2,3]. Posterior dislocations are often associated with motor vehicle accidents, seizures, or electrical shock [4]. Fracture-dislocations of the proximal humerus occur in only 1% of all shoulder dislocations, thus making posterior fracture-dislocations off the proximal humerus exceedingly rare [5]. In this case report, we present a previously undescribed case presentation and treatment for bilateral posterior fracture-dislocations of the proximal humerus …

Operative Versus Conservative Treatment Of Clavicular And Scapular Fractures, Chase Davis

Theses and Graduate Projects

Background: Clavicle fractures and scapula fractures represent up to 4% and 1% of all fractures, respectively.^1-4,9-11 Historically, both fracture types have been treated conservatively with acceptable outcomes. The surgical correction of these fractures is currently being investigated as a viable alternative to conservative management.

Method: A systematic search of PubMed was performed to identify articles comparing open reduction and internal fixation (ORIF) with conservative treatment for both clavicular and scapular fractures. Specific outcomes of interest were shoulder function, pain, strength, range of motion, and risk of nonunion.

Results: ORIF of midshaft clavicular fractures results in increased shoulder function within …

Fracture Of The Ulnar Sesamoid Bone In The Thumb Of A Collegiate Basketball Player: A Case Report, Andrew M. Hyden, Christopher A. Mcgrew, Deana Mercer

UNM Orthopaedic Research Journal

Sesamoid fractures of the hand are uncommon occurrences that can lead to prolonged pain and swelling if delayed in diagnosis. This is particularly problematic in competitive athletes. We describe an ulnar sesamoid fracture of the thumb due to a blunt traumatic injury in a Division I collegiate basketball player. The 22-year-old woman injured her left thumb when kicked during a game. The patient was treated nonoperatively with promising outcomes. Sesamoid fractures of the hand can be difficult to diagnose, and any delay can lengthen the amount of time before the athlete returns to play. Radiographic findings may help healthcare providers …

Preliminary Radiological Result After Establishment Of Hospital-Based Trauma Registry In Level-1 Trauma Hospital In Developing Country Setting, Prospective Cohort Study, Obada Hussein Hasan, Adeel Samad, Zohaib Nawaz, Tashfeen Ahmad, Zehra Abdul Muhammad, Shahryar Noordin

Section of Orthopaedic Surgery

Introduction: Injuries are the second most common cause of disability, the fifth most common cause of healthy years of life lost per 1000 people and unfortunately 90% of mortality takes place in low-to middle-income countries. Trauma registries guide policymakers and health care providers in decision making in terms of resource allocation as well as enhancing trauma care outcomes. Furthermore data from these registries inform policy makers to decrease the rate of death and disability occurring as a result of injuries. We present our experience in setting up an orthopedic trauma registry and the first short term follow-up of radiological outcomes. …