Research Topics
| John M FlynnSummaryAffiliation: The Children's Hospital of Philadelphia Country: USA Publications
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Detail Information
Publications
Objective evaluation of knee laxity in childrenJ M Flynn
duPont Hospital for Children, Wilmington, Delaware, USA
J Pediatr Orthop 20:259-63. 2000..We found that knee laxity, determined by measuring the millimeters of tibial translation using the KT 1000 arthrometer, was significantly greater in younger children...
Eleven years experience in the operative management of pediatric forearm fracturesJohn M Flynn
Department of Orthopaedic Surgery, The Children s Hospital of Philadelphia, Philadelphia, PA 19104, USA
J Pediatr Orthop 30:313-9. 2010..There has been a trend toward operative management of pediatric diaphyseal forearm fractures (DFFx). We studied our experience with surgical management of these injuries to assess indications, frequency, outcome, and complications...
Radiographic classification of complications of instrumentation in adolescent idiopathic scoliosisJohn M Flynn
Division of Orthopaedics, The Children s Hospital of Philadelphia, 34th and Civic Center Boulevard, Philadelphia, PA 19104 4399, USA
Clin Orthop Relat Res 468:665-9. 2010..LEVEL OF EVIDENCE: Level III, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence...- Prevention of sports injuries in childrenJohn M Flynn
The Children s Hospital of Philadelphia, University of Pennsylvania School of Medicine, and the Sports Medicine and Performance Center at The Children s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104, USA
Curr Opin Pediatr 14:719-22. 2002..Increased attention has also been directed toward specific injuries and injury rates in the female athlete. Specific training for the female pediatric athlete may have a preventive effect in halting the rising injury rates... - Predictors of progression of scoliosis after decompression of an Arnold Chiari I malformationJohn M Flynn
Division of Orthopaedic Surgery, The Children s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104, USA
Spine (Phila Pa 1976) 29:286-92. 2004..Retrospective study of patients with scoliosis and an Arnold Chiari I malformation requiring operative management... - Acute traumatic compartment syndrome of the leg in children: diagnosis and outcomeJohn M Flynn
Department of Orthopaedic Surgery, The Children s Hospital of Philadelphia, Richard D Wood Center, 2nd Floor, 34th Street and Civic Center Boulevard, Philadelphia, PA 19104 4399, USA
J Bone Joint Surg Am 93:937-41. 2011..We studied the cause, diagnosis, treatment, and outcome of acute traumatic compartment syndrome of the leg in children... - Comparison of titanium elastic nails with traction and a spica cast to treat femoral fractures in childrenJohn M Flynn
Division of Orthopaedics, Children s Hospital of Philadelphia, 34th and Civic Center Boulevard, Philadelphia, PA 19104 4399, USA
J Bone Joint Surg Am 86:770-7. 2004..This prospective cohort study was designed to evaluate these two methods of treatment, with a specific focus on the first year after injury, the period when the treatment method should have the greatest impact... - The treatment of low-energy femoral shaft fractures: a prospective study comparing the "walking spica" with the traditional spica castJohn M Flynn
Department of Orthopaedic Surgery, The Children s Hospital of Philadelphia, 34th and Civic Center Boulevard, Philadelphia, PA 19104, USA
J Bone Joint Surg Am 93:2196-202. 2011.... - Osteochondritis dissecans of the kneeJohn M Flynn
Department of Orthopaedic Surgery, Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, 19104, USA
J Pediatr Orthop 24:434-43. 2004 - Titanium elastic nails for pediatric femur fractures: a multicenter study of early results with analysis of complicationsJ M Flynn
Division of Orthopaedics, The Children s Hospitals of Philadelphia, Pennsylvania 19104 4399, USA
J Pediatr Orthop 21:4-8. 2001..As indications, implantation technique, and aftercare are refined, TENs may prove to be the ideal implant to stabilize many pediatric femur fractures, avoiding the prolonged immobilization and complications of traction and spica casting... - Spinal deformity correction in Marfan syndrome versus adolescent idiopathic scoliosis: learning from the differencesJoseph P Gjolaj
Department of Orthopaedic Surgery, Johns Hopkins University, Baltimore, MD 21224, USA
Spine (Phila Pa 1976) 37:1558-65. 2012..Retrospective case control study... - The association of patient characteristics and spinal curve parameters with Lenke classification typesPaul D Sponseller
Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, MD 21224, USA
Spine (Phila Pa 1976) 37:1138-41. 2012..Retrospective review... - Management of pediatric femoral shaft fracturesJohn M Flynn
Division of Orthopaedic Surgery, The Children's Hospital of Philadelphia, 2nd Floor Wood Building, 34th and Civic Center Boulevard, Philadelphia, PA 19104, USA
J Am Acad Orthop Surg 12:347-59. 2004..Risks of surgical management include refracture after external fixator or plate removal, osteonecrosis after rigid antegrade intramedullary nail fixation, and soft-tissue irritation caused by the ends of flexible nails... - Variability of expert opinion in treatment of early-onset scoliosisMichael G Vitale
Division of Pediatric Orthopaedic Surgery, Department of Orthopaedic Surgery, Columbia University, Morgan Stanley Children s Hospital of New York Presbyterian, Columbia University Medical Center, 3959 Broadway 800 North, New York, NY 10032, USA
Clin Orthop Relat Res 469:1317-22. 2011..There has been rapid expansion of treatment options for children with early-onset scoliosis, including casting, growth rods, the vertical expandable prosthetic titanium rib, and anterior vertebral stapling... - The use of postoperative subcutaneous closed suction drainage after posterior spinal fusion in adolescents with idiopathic scoliosisJohn Blank
Department of Orthopaedic Surgery, Cooper Hospital, Camden, NJ, USA
J Spinal Disord Tech 16:508-12. 2003.... - Exercise and children's healthJulia E Lou
Sports Medicine and Performance Center, The Children s Hospital of Philadelphia, 34th and Civic Center Boulevard, Philadelphia, PA 19104, USA
Curr Sports Med Rep 1:349-53. 2002..It also reviews the epidemiology and treatment of injuries in young athletes, including preventative measures... - Osteochondritis dissecans of the capitellum: Arthroscopic-assisted treatment of large, full-thickness defects in young patientsStephan G Pill
Department of Orthopaedic Surgery at The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
Arthroscopy 19:222-5. 2003..The arthroscopic camera allows the surgeon to view difficult-to-see areas, and photographs can be taken throughout the procedure for documentation... - External fixation of high-energy tibia fracturesStuart H Myers
University of Pennsylvania School of Medicine, Philadelphia, PA, USA
J Pediatr Orthop 27:537-9. 2007.... - The surgical management of pediatric fractures of the lower extremityJohn M Flynn
Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania, USA
Instr Course Lect 52:647-59. 2003..Certain technical advances, such as the use of flexible intramedullary fixation and bioreabsorbable implants, have further increased enthusiasm for surgical management of pediatric fractures of the lower extremity... - Factors distinguishing septic arthritis from transient synovitis of the hip in children. A prospective studyMichelle S Caird
Division of Orthopaedics, The Children s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
J Bone Joint Surg Am 88:1251-7. 2006.... - Fixation of length-stable femoral shaft fractures in heavier children: flexible nails vs rigid locked nailsMatthew R Garner
The Children s Hospital of Philadelphia, Philadelphia, PA, USA
J Pediatr Orthop 31:11-6. 2011..Our goal was to compare TEN with RLN in length-stable diaphyseal femur fractures in heavier children and adolescents (47 to 85 kg) using weight-matched cohorts... - Role of magnetic resonance imaging and clinical criteria in predicting successful nonoperative treatment of osteochondritis dissecans in childrenStephan G Pill
The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
J Pediatr Orthop 23:102-8. 2003..Although no single factor was uniformly predictive of successful nonoperative treatment, younger, skeletally immature patients with no MRI criteria of instability were most amenable to nonoperative treatment... - Computed tomography-guided navigation of thoracic pedicle screws for adolescent idiopathic scoliosis results in more accurate placement and less screw removalEjovi Ughwanogho
Department of Orthopaedic Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
Spine (Phila Pa 1976) 37:E473-8. 2012..Retrospective study of computed tomography-guided navigation (CTGN) of thoracic pedicle screw placement in patients with adolescent idiopathic scoliosis (AIS)... - Evaluation and treatment of hip dysplasia in cerebral palsyDavid A Spiegel
Division of Orthopaedic Surgery, Children s Hospital of Philadelphia, 2nd Floor Wood Building, 34th Street and Civic Center Boulevard, Philadelphia, PA 19104, USA
Orthop Clin North Am 37:185-96, vi. 2006..Salvage procedures are recommended to treat chronic pain caused by established subluxation or dislocation... - Loss of pin fixation in displaced supracondylar humeral fractures in children: causes and preventionWudbhav N Sankar
Division of Orthopaedic Surgery, The Children s Hospital of Philadelphia, Wood Building, 2nd Floor, 34th and Civic Center Boulevard, Philadelphia, PA 19104, USA
J Bone Joint Surg Am 89:713-7. 2007..The purposes of the present study were to identify the causes leading to loss of fixation after pin fixation and to present methods for prevention... - Titanium elastic nails for pediatric femur fractures: lessons from the learning curveJohn M Flynn
Division of Orthopedics, Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, USA
Am J Orthop 31:71-4. 2002..Very proximal fractures may be more challenging; unstable fractures and fractures in larger, older children are best managed with a short period of adjunctive immobilization... - Pediatric forearm fractures: decision making, surgical techniques, and complicationsJohn M Flynn
Children's Hospital of Philadelphia, University of Pennsylvania, Division of Orthopaedics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
Instr Course Lect 51:355-60. 2002 - Mortality and life-threatening events after vertical expandable prosthetic titanium rib surgery in children with hypoplastic chest wall deformityRandal R Betz
Shriners Hospital for Children, Philadelphia, PA 19140, USA
J Pediatr Orthop 28:850-3. 2008.... - The surgical management of pediatric fractures of the upper extremityJohn M Flynn
Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania, USA
Instr Course Lect 52:635-45. 2003..Certain technical advances, such as flexible intramedullary fixation and bioreabsorbable implants, have further increased enthusiasm for surgical management of pediatric fractures... - The development of acetabular retroversion in children with Legg-Calvé-Perthes diseaseWudbhav N Sankar
Division of Orthopaedic Surgery, The Children s Hospital of Philadelphia, Philadelphia, PA 19104, USA
J Pediatr Orthop 28:440-3. 2008..Our purpose was to study the development of acetabular retroversion in children with LCPD and perhaps draw conclusions regarding cause and effect... - Lateral-entry pin fixation in the management of supracondylar fractures in childrenDavid L Skaggs
Division of Orthopaedic Surgery, Childrens Hospital Los Angeles, Mailstop 69, 4650 Sunset Boulevard, Los Angeles, CA 90027, USA
J Bone Joint Surg Am 86:702-7. 2004..Previous clinical studies have suggested that lateral pins provide sufficient fixation of unstable supracondylar fractures. However, these studies were retrospective and subject to patient-selection bias... - Multiple epiphyseal separations in a child with scurvy and cerebral palsyHarish S Hosalkar
Children's Hospital of Philadelphia, Pennsylvania 19104, USA
Am J Orthop 34:295-8. 2005 - Successful management of concommitant blunt injury to the trachea, esophagus, and cervical spine in a 6-year-old girlOscar D Guillamondegui
Division of Traumatology and Surgical Critical Care, Department of Surgery, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
J Pediatr Surg 39:1130-2. 2004..A cervical spinal injury was fixated with halo traction and a femur fracture with internal fixation... - The 50 most cited articles in pediatric orthopedic surgeryKeith D Baldwin
Department of Orthopedic Surgery, Children s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
J Pediatr Orthop B 21:463-8. 2012..The level of evidence for highly cited papers was low. Although many of these articles were written by the great thinkers of our field, a need exists for more rigorous methodology... - Evidence-based medicine: management of pediatric forearm fracturesCorinna C Franklin
Division of Orthopaedic Surgery, The Children s Hospital of Philadelphia, Philadelphia, PA 19104, USA
J Pediatr Orthop 32:S131-4. 2012.... - More experienced surgeons less likely to fuse: a focus group review of 315 hypothetical EOS casesBrendan A Williams
Department of Pediatric Orthopaedic Surgery, Columbia University Medical Center, New York, NY 10032, USA
J Pediatr Orthop 33:68-74. 2013..In an attempt to better understand possible determinants of this variability, we examined the relationship between socioclinical attributes of 11 participating surgeons and decision making regarding the treatment of EOS... - Torticollis in an infant caused by hereditary muscle aplasiaSamuel B Adams
Division of Orthopaedics, The Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104-4399, USA
Am J Orthop 32:556-8. 2003..Electromyography and cross-sectional imaging were valuable in making the diagnosis. We believe this is the first reported case of hereditary unilateral muscle aplasia presenting as torticollis in an infant... - Anterior cruciate ligament injuries in skeletally immature patientsDouglas R Johnston
Children's Hospital of Philadelphia, Division of Orthopedic Surgery, 34th and Civic Center Blvd, Philadelphia, PA 19104, USA
Orthopedics 25:864-71; quiz 872-3. 2002 - The prevalence of defensive orthopaedic imaging: a prospective practice audit in PennsylvaniaRobert A Miller
Division of Orthopaedics, The Children s Hospital of Philadelphia, 2nd Floor Wood Building, 34th and Civic Center Boulevard, Philadelphia, PA 19104, USA
J Bone Joint Surg Am 94:e18. 2012..Estimates of its prevalence and its contribution to the cost of defensive practices have varied widely. To date, there has been no prospective evaluation of the use of defensive medicine for musculoskeletal conditions... - Predictors for secondary procedures in walking DDHPurushottam A Gholve
Department of Orthopedic Surgery, Children s Hospital Boston, Boston, MA 02115, USA
J Pediatr Orthop 32:282-9. 2012..In this study, we identify predictors for secondary procedures after open reduction of the hip in walking children with DDH... - Intraobserver and interobserver agreement in the measurement of displaced humeral medial epicondyle fractures in childrenNick Pappas
Children s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania, USA
J Bone Joint Surg Am 92:322-7. 2010..This study was performed to assess both intraobserver and interobserver agreement in the measurements of displacement of these fractures on radiographs by orthopaedic surgeons with various levels of training... - Role of magnetic resonance imaging in the assessment of pediatric cervical spine injuriesJohn M Flynn
Division of Orthopaedic Surgery, Department of Orthopaedic SurgeryChildren s Hospital of Philadelphia, Pennsylvania 19104, USA
J Pediatr Orthop 22:573-7. 2002..MRI confirmed the plain radiography diagnosis in 66% of children and altered the diagnosis in 34%. MRI is valuable in the evaluation of potential CSI, especially in obtunded children or children with equivocal plain radiographs... - Torticollis in children: can dynamic computed tomography help determine severity and treatmentKevin J McGuire
Department of Orthopaedic Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Pediatr Orthop 22:766-70. 2002..Using this grouping system, the authors found that patients with a higher stage had an increase in the mean duration of symptoms and intensity of treatment... - Clinical indications for repeat MRI in children with acute hematogenous osteomyelitisPaul Maxwell Courtney
Children s Hospital of Philadelphia and The University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
J Pediatr Orthop 30:883-7. 2010..Do these serial MRI studies have a role in the management of AHO? We examine several clinical indications for ordering a repeat MRI and whether the imaging study resulted in a change in management... - Assessment of the test characteristics of C-reactive protein for septic arthritis in childrenMatthew J Levine
Department of Orthopaedic Surgery, The George Washington University, 1616 19th Street NW 1, Washington, DC 20009, USA
J Pediatr Orthop 23:373-7. 2003..CRP is a better negative predictor than a positive predictor of disease. Indeed, if the CRP is <1.0 mg/dL, the probability that the patient does not have septic arthritis is 87%... - 13-year-old with back and shoulder painHarish S Hosalkar
Division of Orthopedic Surgery, The Children's Hospital of Philadelphia, PA 19104, USA
Pediatr Case Rev 3:189-93. 2003 - Streamlining the evaluation of low back pain in childrenJoshua D Auerbach
Department of Orthopaedic Surgery, The University of Pennsylvania, 2 Silverstein, 3400 Spruce Street, Philadelphia, PA 19104, USA
Clin Orthop Relat Res 466:1971-7. 2008..LEVEL OF EVIDENCE: Level III, diagnostic study... - Management of hip disorders in patients with cerebral palsyJohn M Flynn
Orthopaedics, Division of Orthopaedic Surgery, The Children's Hospital of Philadelphia, PA 19104-4399, USA
J Am Acad Orthop Surg 10:198-209. 2002..Salvage options for the skeletally mature patient with a neglected hip are limited... - Floating elbow in an infantMarc Menkowitz
Division of Orthopedic Surgery, Children's Hospital of Philadelphia, PA 19104, USA
Orthopedics 25:185-6. 2002 - Osteogenesis imperfecta and hyperplastic callus formation in a family: a report of three cases and a review of the literatureNorman Ramirez
Deparment of Orthopaedics, Mayaguez Medical Center, Puerto Rico
J Pediatr Orthop B 12:88-96. 2003..An association between osteogenesis imperfecta type IV and hyperplastic callus formation is unclear. This association might, however, be a separate, specific subtype of osteogenesis imperfecta, with an unknown inheritance pattern... - Changing patterns of pediatric pelvic fractures with skeletal maturation: implications for classification and managementJeff S Silber
Long Island Jewish Medical Center, New Hyde Park, New York, USA
J Pediatr Orthop 22:22-6. 2002..Management of fractures to the immature pelvis should focus on associated injuries. Once the triradiate cartilage has closed, adult pelvic fracture classifications and management principles should be used... - Comparison of Cobb angle measurement of scoliosis radiographs with preselected end vertebrae: traditional versus digital acquisitionBrian P D Wills
Department of Orthopedics and Rehabilitation, University of Wisconsin, Madison, WI, USA
Spine (Phila Pa 1976) 32:98-105. 2007..Prospective study... - Towards a National Pediatric Musculoskeletal Trauma Outcomes Registry: the Pediatric Orthopaedic Trauma Outcomes Research Group (POTORG) experienceMichael G Vitale
International Center for Health Outcomes and Innovation Research, College of Physicians and Surgeons and The Joseph L Mailman School of Public Health, Columbia University and Columbia Presbyterian Hospital, New York, NY, USA
J Pediatr Orthop 26:151-6. 2006.... - The efficacy of magnetic resonance imaging in pediatric cervical spine clearanceJoshua B Frank
Hospital for Joint Diseases, New York University School of Medicine, New York, New York, USA
Spine 27:1176-9. 2002..CONCLUSIONS: In obtunded and intubated pediatric trauma patients with suspected cervical spine injury, the clearance protocol using cervical spine MRI was effective and cost-efficient... - Screening the newborn for developmental dysplasia of the hip: now what do we do?Richard M Schwend
Section of Orthopaedics, Children s Mercy Hospital, Kansas City, MO, USA
J Pediatr Orthop 27:607-10. 2007..Despite having had normal newborn and infant hip examinations, there remains the possibility of a late-onset hip dislocation needing treatment in approximately 1 in 5000 infants... - Clubfoot release in myelodysplasiaJohn M Flynn
Department of Orthopaedic Surgery, University of Puerto Rico School of Medicine, San Juan, Puerto Rico
J Pediatr Orthop B 13:259-62. 2004..Neither age at surgery nor neurosegmental level have any statistical influence on final outcome. We find that a radical posteromedial release without internal fixation is a satisfactory option for clubfoot with myelodysplasia... - Scoliotic curve patterns in patients with Chiari I malformation and/or syringomyeliaDavid A Spiegel
Shriners Hospitals for Children Twin Cities, Minneapolis, Minnesota 55414, USA
Spine (Phila Pa 1976) 28:2139-46. 2003..A retrospective radiographic review was performed on 41 patients with scoliosis associated with a Chiari I malformation and/or syringomyelia... - Lyme arthritis presenting as acute septic arthritis in childrenAndrew A Willis
Hospital for Special Surgery, New York, New York, USA
J Pediatr Orthop 23:114-8. 2003..The authors also present a protocol for evaluation and management of these diagnostically challenging cases... - Management of osteochondritis dissecans of the knee: current concepts reviewMininder S Kocher
Children s Hospital Boston, Harvard Medical School, MA 02115, USA
Am J Sports Med 34:1181-91. 2006..Results of excision of large lesions from weightbearing zones are poor. Chondral resurfacing techniques have limited long-term data for cases of osteochondritis dissecans in skeletally immature patients...