Austin T. Fragomen

ORCID: 0000-0002-9031-9079
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Bone fractures and treatments
  • Orthopaedic implants and arthroplasty
  • Total Knee Arthroplasty Outcomes
  • Orthopedic Surgery and Rehabilitation
  • Foot and Ankle Surgery
  • Orthopedic Infections and Treatments
  • Knee injuries and reconstruction techniques
  • Hip disorders and treatments
  • Migration and Labor Dynamics
  • Hip and Femur Fractures
  • Sarcoma Diagnosis and Treatment
  • Lower Extremity Biomechanics and Pathologies
  • Shoulder Injury and Treatment
  • International Labor and Employment Law
  • Reconstructive Surgery and Microvascular Techniques
  • Shoulder and Clavicle Injuries
  • Elbow and Forearm Trauma Treatment
  • Musculoskeletal Disorders and Rehabilitation
  • International Law and Human Rights
  • Judicial and Constitutional Studies
  • Bone Tumor Diagnosis and Treatments
  • Migration, Refugees, and Integration
  • Prosthetics and Rehabilitation Robotics
  • Medical Malpractice and Liability Issues
  • Tendon Structure and Treatment

Hospital for Special Surgery
2016-2025

Duke University
2025

Cornell University
2014-2024

Thomas Jefferson University
2023

Governador Celso Ramos Hospital
2023

Children's Hospital of Philadelphia
2023

Rothman Institute
2023

Eiger Biopharmaceuticals (United States)
2023

Weill Cornell Medicine
2021-2022

NuVasive (United States)
2016-2021

Previous designs of internal bone lengthening devices have been fraught with imprecise distraction, resulting in nerve injuries, joint contractures, nonunions, and other complications. Recently, a magnet-operated PRECICE nail (Ellipse Technologies, Inc, Irvine, CA, USA) was approved by the FDA; however, its clinical efficacy is unknown.We evaluated this terms (1) accuracy precision (2) effects on alignment, (3) adjacent-joint ROM, (4) frequency implant-related non-implant-related...

10.1007/s11999-014-3575-0 article EN Clinical Orthopaedics and Related Research 2014-03-27

Distraction osteogenesis is an effective method for lengthening, deformity correction, and treatment of nonunions bone defects. The classic uses external fixator both distraction consolidation leading to lengthy times in frames there a risk refracture after frame removal. We suggest new technique: lengthening then nailing (LATN) technique which the used gradual reamed intramedullary nail inserted support during phase, allowing early removal fixator. performed retrospective case-matched...

10.1007/s11999-008-0509-8 article EN Clinical Orthopaedics and Related Research 2008-09-17

External fixation has evolved from being used primarily as a last resort method to becoming main stream technique treat myriad of bone and soft tissue pathologies. Techniques in limb reconstruction continue advance largely result the use these external devices. A thorough understanding biomechanical principles is useful for all orthopedic surgeons most will have occasionally mount fixator throughout their career. In this review, various types fixators common clinical applications are...

10.1007/s11420-006-9025-0 article EN HSS Journal® The Musculoskeletal Journal of Hospital for Special Surgery 2006-12-20

Objective: To investigate the outcomes of tibial nonunions and bone defects treated with Taylor Spatial Frame (TSF) using Ilizarov method. Design: Retrospective. Setting: Limb Lengthening Deformity Service at an academic medical center. Patients: Thirty-eight consecutive patients 38 were TSF. There 23 (average 5.9 cm) 22 leg-length discrepancy (LLD) 3.1 resulting in average longitudinal deficiency (sum defect LLD) 6.5 cm 31 (1-16). The number previous surgeries was 4 (0-20). At time surgery,...

10.1097/bot.0b013e318162ab49 article EN Journal of Orthopaedic Trauma 2008-02-01

Ankle arthrodesis may be achieved using the Ilizarov method. Comorbidities, such as diabetes, Charcot neuroarthropathy, osteomyelitis, leg length discrepancy, and smoking, can make an ankle fusion complex associated with lower rates of healing.We asked if (1) smoking other comorbidities led to rates, (2) time wearing frame affected outcome, (3) simultaneous tibial lengthening improved rates.We retrospectively studied 101 patients who underwent technique. The median was 25 weeks (range, 10-65...

10.1007/s11999-012-2470-9 article EN Clinical Orthopaedics and Related Research 2012-07-09

A three-dimensional (3D) knee joint computational model was developed and validated to predict contact forces pressures for different degrees of malalignment. 3D created from high-resolution radiological images emulate passive sagittal rotation (full-extension 65°-flexion) weight acceptance. cadaveric mounted on a six-degree-of-freedom robot subjected matching boundary loading conditions. ligament-tuning process minimised kinematic differences between the robotically loaded cadaver specimen...

10.1080/10255842.2014.899588 article EN cc-by-nc Computer Methods in Biomechanics & Biomedical Engineering 2014-05-01

Optimal leg alignment is the goal of tibial osteotomy. The Taylor Spatial Frame (TSF) and Ilizarov method enable gradual realignment angulation translation in coronal, sagittal, axial planes, therefore, term six-axis correction.We asked whether this approach would allow precise correction deformities.We retrospectively reviewed 102 patients (122 tibiae) with deformities treated percutaneous osteotomy TSF. proximal group was subdivided into two subgroups to distinguish those an intentional...

10.1007/s11999-009-1161-7 article EN Clinical Orthopaedics and Related Research 2009-11-12

Rozbruch, S. Robert MD; Fragomen, Austin T. Ilizarov, Svetlana MD Author Information

10.2106/jbjs.f.00745 article EN Journal of Bone and Joint Surgery 2006-12-01

In recent years ankle distraction arthroplasty has gained popularity in the treatment of arthritis as a means both maintaining range motion and avoiding fusion. We present retrospective review 25 patients who have undergone from 1999 to 2006.The mean age was 43 years; 16 were male, 7 female. Followup 30 months after frame removal (range, 12 60 months). able obtain followup on 23 patients. Adjuvant procedures performed some cases including Achilles tendon lengthening (5), arthroscopy (4),...

10.3113/fai.2009.0318 article EN Foot & Ankle International 2009-04-01

Classic bone lengthening requires patients wear external fixation for the distraction and consolidation phases there is fracture risk after frame removal. Our technique of with Taylor Spatial Frame(TM) then insertion a locked plate allows earlier removal fixator during consolidation. Plate accomplished through clean pin-free zone avoiding contamination before maintaining position.We asked (1) whether plating (LAP) decrease time (2) how alignment complications compare those classic method.We...

10.1007/s11999-011-2178-2 article EN Clinical Orthopaedics and Related Research 2011-11-14

Lengthening over a nail and internal lengthening nails have been developed to minimize or eliminate patients' time wearing frame during femur lengthening. However it is unclear whether either of these two approaches results in faster times union fewer complications the other.We asked which technique better achieved: (1) goals, (2) distraction rate control, (3) quality regenerate bone, (4) complications, (5) if SF-36 scores American Academy Orthopaedic Surgeons Lower Limb Module (AAOS LLM)...

10.1007/s11999-011-2204-4 article EN Clinical Orthopaedics and Related Research 2011-12-05

Objectives: To evaluate the efficacy of 3 commercially available systems: Harvest SmartPReP 2 BMAC, Biomet BioCUE, and Arteriocyte Magellan systems. We compared number concentration progenitor cells achieved both before after centrifugation percentage salvaged centrifugation. Methods: Forty patients, mean age 47 ± 18 years (range: 18–92 years, 19 male/21 female) were prospectively consented for bilateral iliac crest aspiration. The first 20 aspirations systems, based on those results, second...

10.1097/bot.0000000000000113 article EN Journal of Orthopaedic Trauma 2014-04-02

Patients with limb-length discrepancies often have concomitant deformity. We describe the outcomes of acute, fixator-assisted deformity correction gradual lengthening using retrograde femoral Precice nail (NuVasive).We analyzed a retrospective series 27 patients in whom an external fixator was combined to correct angular or rotational and discrepancy. The applied temporarily restore normal alignment. inserted locked place hold correction, restoration limb length.The (mean age, 28 years) had...

10.5435/jaaos-d-16-00573 article EN Journal of the American Academy of Orthopaedic Surgeons 2018-02-28

Limb salvage in the presence of posttraumatic tibial bone loss can be accomplished using traditional Ilizarov method distraction osteogenesis with circular external fixation. Internal fixation placed at beginning consolidation phase, so-called integrated fixation, may allow for earlier removal fixator but introduces concerns about cross-contamination from additional open procedure and maintenance regenerate stability. Among patients deemed eligible we sought to determine: (1) Does decrease...

10.1007/s11999-015-4326-6 article EN Clinical Orthopaedics and Related Research 2015-05-04

Internal lengthening nail (ILN) is a recent development in limb and deformity correction specialty.The ILN has the distinct advantage of combining acute with gradual bone.While using ILN, short metaphyseal bone fragment may develop at time osteotomy insertion or during because wide medullary canal.These deformities are typically predictable, blocking screws (Poller screws) helpful these situations.This manuscript describes common that occur femur tibia osteotomies different locations while...

10.1007/s11751-016-0265-3 article EN Strategies in Trauma and Limb Reconstruction 2016-09-24

"On September 30, 1996, President Clinton signed the Illegal Immigration Reform and Immigrant Responsibility Act of 1996 (1996 Act), Pub. L. No. 104-208, 110 Stat. 3009. After an intense lobbying effort by business community, most provisions relating to legal immigration were omitted from final bill. Instead, focuses on illegal reform includes some toughest measures ever taken against immigration." Aspects considered include border enforcement, penalities alien smuggling document fraud,...

10.1177/019791839703100208 article EN International Migration Review 1997-06-01

Supramalleolar osteotomy using circular external fixation with six-axis deformity correction is a rarely reported treatment method particularly well-suited for complex multidimensional deformities of the adult ankle. The purpose this study was to assess accuracy and change in functional status technique.We present retrospective review 52 patients who underwent supramalleolar application Taylor Spatial Frame (Smith & Nephew, Memphis, TN). Mean age 44 (range, 18 79) years. primary outcome...

10.3113/fai.2011.0986 article EN Foot & Ankle International 2011-10-01

Distal femoral osteotomies (DFO) can be used to correct deformities around the knee. Although fixed with either internal or external fixation techniques, advantages of one over other are unclear.We asked whether (1) for both we could accurately based on our preoperative goals mechanical axis deviation (MAD) and lateral distal angle (LDFA), (2) intraoperative times, (3) postoperative knee ROM, (4) complications differed.We identified 26 patients (34 limbs) who underwent osteotomies. We...

10.1007/s11999-010-1755-0 article EN Clinical Orthopaedics and Related Research 2011-01-05

Humeral lengthening by distraction osteogenesis historically has relied on bulky circular external fixators. Advances in fixator technology have allowed for the use of monolateral frames. However, it is unclear whether and to what degree function improved after humeral lengthening.We asked: (1) Does performed with fixators improve function? (2) fixation produce comparable restoration length complication rate when compared historical results, using lengthening?We retrospectively reviewed 11...

10.1007/s11999-012-2543-9 article EN Clinical Orthopaedics and Related Research 2012-08-27

Although its FDA-approved applications are limited, the pro-osteogenic benefits of recombinant human BMP-2 (rhBMP-2) administration have been shown in off-label surgical applications. However, effects rhBMP-2 on ankle fusions insufficiently addressed literature, which fails to include a case-control study adequate sample size evaluate efficacy treatment.In this we asked whether treatment (1) would increase rate successful fusion complex patients (patients with comorbidities associated poor...

10.1007/s11999-013-3261-7 article EN Clinical Orthopaedics and Related Research 2013-08-28
Coming Soon ...