P Kloen

Summary

Affiliation: Academic Medical Center
Country: The Netherlands

Publications

  1. ncbi Bilateral clavicle non-unions treated with anteroinferior locking compression plating (LCP): a case report
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    Acta Orthop Belg 70:609-11. 2004
  2. ncbi Operative treatment of acetabular fracture during pregnancy: a case report
    Peter Kloen
    Department of Orthopedic Surgery, Academic Medical Center, Meibergdreef 9, 1100 DD Amsterdam, The Netherlands
    Arch Orthop Trauma Surg 125:209-12. 2005
  3. pmc Management of the mangled extremity
    Mark L Prasarn
    Department of Orthopaedic Surgery, University of Texas Medical School at Houston, Houston, TX, USA
    Strategies Trauma Limb Reconstr 7:57-66. 2012
  4. pmc Metaphyseal locking compression plate as an external fixator for the distal tibia
    Sven A F Tulner
    Department of Orthopaedic Surgery, Academic Medical Center, Meibergdreef 9, 1100 DD Amsterdam, The Netherlands
    Int Orthop 36:1923-7. 2012
  5. doi Temporary joint-spanning external fixation before internal fixation of open intra-articular distal humeral fractures: a staged protocol
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    J Shoulder Elbow Surg 21:1348-56. 2012
  6. doi Co-expression of BMPs and BMP-inhibitors in human fractures and non-unions
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Centre, Amsterdam, The Netherlands
    Bone 51:59-68. 2012
  7. pmc Management of forearm nonunions: current concepts
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Center, Meibergdreef 9, 1100 DD, Amsterdam, The Netherlands
    Strategies Trauma Limb Reconstr 7:1-11. 2012
  8. pmc Elevated transforming growth factor β and mitogen-activated protein kinase pathways mediate fibrotic traits of Dupuytren's disease fibroblasts
    Carola Krause
    Department of Molecular Cell Biology and Centre for Biomedical Genetics, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, The Netherlands
    Fibrogenesis Tissue Repair 4:14. 2011
  9. pmc The effects of melatonin versus placebo on delirium in hip fracture patients: study protocol of a randomised, placebo-controlled, double blind trial
    Annemarieke de Jonghe
    Academic Medical Centre, University of Amsterdam, Department of Internal Medicine, Geriatrics section F4 218, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    BMC Geriatr 11:34. 2011
  10. ncbi BMP signaling components are expressed in human fracture callus
    P Kloen
    Hospital for Special Surgery, New York, NY 10021, USA
    Bone 33:362-71. 2003

Collaborators

Detail Information

Publications49

  1. ncbi Bilateral clavicle non-unions treated with anteroinferior locking compression plating (LCP): a case report
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    Acta Orthop Belg 70:609-11. 2004
    ..The advantages of the anteroinferior positioning of the plate on the clavicle are presented...
  2. ncbi Operative treatment of acetabular fracture during pregnancy: a case report
    Peter Kloen
    Department of Orthopedic Surgery, Academic Medical Center, Meibergdreef 9, 1100 DD Amsterdam, The Netherlands
    Arch Orthop Trauma Surg 125:209-12. 2005
    ..Successful treatment of these rare cases is possible with careful pre-, peri-, and postoperative evaluation of the mother and fetus by a multidisciplinary team...
  3. pmc Management of the mangled extremity
    Mark L Prasarn
    Department of Orthopaedic Surgery, University of Texas Medical School at Houston, Houston, TX, USA
    Strategies Trauma Limb Reconstr 7:57-66. 2012
    ..In this review, we discuss the mechanisms of injury, various available scoring systems, initial management, outcome and specific differences between lower and upper extremity trauma injuries...
  4. pmc Metaphyseal locking compression plate as an external fixator for the distal tibia
    Sven A F Tulner
    Department of Orthopaedic Surgery, Academic Medical Center, Meibergdreef 9, 1100 DD Amsterdam, The Netherlands
    Int Orthop 36:1923-7. 2012
    ..The purpose of this report is to describe our results using the metaphyseal locking plate (LCP) as an external fixator in the treatment of infected post-traumatic problems of the distal tibia...
  5. doi Temporary joint-spanning external fixation before internal fixation of open intra-articular distal humeral fractures: a staged protocol
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    J Shoulder Elbow Surg 21:1348-56. 2012
    ..This study determined outcomes after temporary joint-spanning external fixation before internal fixation of open intra-articular distal humeral fractures...
  6. doi Co-expression of BMPs and BMP-inhibitors in human fractures and non-unions
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Centre, Amsterdam, The Netherlands
    Bone 51:59-68. 2012
    ..An imbalance between the local presence of BMP and BMP-inhibitors may switch the direction towards healing or non-healing of a fracture...
  7. pmc Management of forearm nonunions: current concepts
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Center, Meibergdreef 9, 1100 DD, Amsterdam, The Netherlands
    Strategies Trauma Limb Reconstr 7:1-11. 2012
    ..In this review, we aim to summarize the available evidence in the literature on forearm nonunions and combine it with practical recommendations based on our clinical experience to help guide the management of this complex problem...
  8. pmc Elevated transforming growth factor β and mitogen-activated protein kinase pathways mediate fibrotic traits of Dupuytren's disease fibroblasts
    Carola Krause
    Department of Molecular Cell Biology and Centre for Biomedical Genetics, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, The Netherlands
    Fibrogenesis Tissue Repair 4:14. 2011
    ..abstract:..
  9. pmc The effects of melatonin versus placebo on delirium in hip fracture patients: study protocol of a randomised, placebo-controlled, double blind trial
    Annemarieke de Jonghe
    Academic Medical Centre, University of Amsterdam, Department of Internal Medicine, Geriatrics section F4 218, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    BMC Geriatr 11:34. 2011
    ....
  10. ncbi BMP signaling components are expressed in human fracture callus
    P Kloen
    Hospital for Special Surgery, New York, NY 10021, USA
    Bone 33:362-71. 2003
    ..Complete elucidation of the roles of BMP in bone formation will hopefully lead to improved fracture healing care...
  11. doi Treatment of proximal ulna and olecranon fractures by dorsal plating
    Peter Kloen
    Department of Orthopedic Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Oper Orthop Traumatol 21:571-85. 2009
    ..Anatomic reconstruction of proximal ulna and olecranon fractures allowing early mobilization and prevention of ulnohumeral arthritis...
  12. doi Anteroinferior plating of midshaft clavicle nonunions and fractures
    Peter Kloen
    Department of Orthopedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    Oper Orthop Traumatol 21:170-9. 2009
    ..Anatomic reconstruction of clavicle with limited dissection and biomechanically optimal osteosynthesis. Anteroinferior plate placement to minimize patient's discomfort and need for implant removal...
  13. ncbi Delayed bladder rupture after symphyseal hardware failure
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    J Trauma 58:860-2. 2005
  14. doi Supercutaneous plating: use of a locking compression plate as an external fixator
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    J Orthop Trauma 23:72-5. 2009
    ..These properties also make them good candidates for external plate fixation; we call this technique "supercutaneous plating."..
  15. pmc Treatment of diaphyseal non-unions of the ulna and radius
    Peter Kloen
    Department of Orthopaedic Surgery, Academic Medical Centre, Meibergdreef 9, 1100 DD, Amsterdam, The Netherlands
    Arch Orthop Trauma Surg 130:1439-45. 2010
    ..Treatment of these non-unions can be challenging due to poor bone stock, broken hardware, scarring and stiffness due to long-term immobilisation...
  16. ncbi Subtrochanteric fracture after cannulated screw fixation of femoral neck fractures: a report of four cases
    Peter Kloen
    Hospital for Special Surgery, New York, New York 10021, USA
    J Orthop Trauma 17:225-9. 2003
    ..We present our experience in treating four of these complications. The common denominator for all four patients seemed to be an entry point in the lateral cortex below the level of the most inferior edge of the lesser trochanter...
  17. pmc Treatment of midshaft clavicular delayed and non-unions with anteroinferior locking compression plating
    Sjoerd A Stufkens
    Department of Orthopaedic Surgery, Academic Medical Center, PO Box 22660, 1100 DD, Amsterdam, The Netherlands
    Arch Orthop Trauma Surg 130:159-64. 2010
    ..Although union rates are generally high, most patients require hardware removal as the plate is prominent under the skin causing pain and cosmetic problems...
  18. ncbi Apparently isolated partial articular fractures of the radial head: prevalence and reliability of radiographically diagnosed displacement
    Job Doornberg
    Hand and Upper Extremity Service, Department of Orthopedic Surgery, Massachusetts General Hospital, Boston, MA 02116, USA
    J Shoulder Elbow Surg 16:603-8. 2007
    ..45). Because apparently isolated, stable partial fractures of the radial head are infrequently displaced and observers have moderate disagreement regarding the diagnosis of displacement, it is likely that displacement is overdiagnosed...
  19. ncbi Intertrochanteric osteotomy for posttraumatic arthritis after acetabular fractures
    R K Marti
    Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    J Orthop Trauma 15:384-93. 2001
    ..However, we have observed significant improvement in hip function with a decrease in pain and disability when such patients are treated with an intertochanteric osteotomy...
  20. ncbi Use of bone morphogenetic proteins in traumatology
    R J Westerhuis
    Department of Orthopaedic Surgery, Academic Medical Center, Meibergdreef 9, 1100 DD Amsterdam, The Netherlands
    Injury 36:1405-12. 2005
    ..The purpose of this work is to give a brief overview of BMPs and to review the clinical data currently available on the use of BMPs in fracture healing...
  21. doi Clinical evaluation of locking compression plate fixation for comminuted olecranon fractures
    Geert Buijze
    Department of Orthopaedic Surgery, Academic Medical Center, Meibergdreef 9, Amsterdam 1100 DD, The Netherlands
    J Bone Joint Surg Am 91:2416-20. 2009
    ..To overcome this problem, unicortical screws can be applied with use of a contoured locking compression plate. The present study was designed to assess the effectiveness of this fixation method...
  22. ncbi Minimally invasive treatment of pilon fractures with a low profile plate: preliminary results in 17 cases
    Olivier Borens
    The Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA
    Arch Orthop Trauma Surg 129:649-59. 2009
    ..To determine the results of "biologic fixation" with a minimally invasive plating technique using a newly designed low profile "Scallop" plate in the treatment of pilon fractures...
  23. pmc Biomechanical evaluation of fixation of comminuted olecranon fractures: one-third tubular versus locking compression plating
    Geert A Buijze
    Orthopaedic Research Center Amsterdam, Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    Arch Orthop Trauma Surg 130:459-64. 2010
    ..The purpose of this study was to compare the stiffness and strength of locking compression plate (LCP) fixation to one-third tubular plate fixation in a cadaveric comminuted olecranon fracture model with a standardised osteotomy...
  24. ncbi Open reduction and internal fixation of humeral nonunions : a biomechanical and clinical study
    Ivan F Rubel
    Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY 10021, USA
    J Bone Joint Surg Am 84:1315-22. 2002
    ....
  25. ncbi Treatment of subtrochanteric nonunions
    Jasper S de Vries
    Department of Orthopaedic Surgery, Academic Medical Center, P O Box 22660, 1100 DD Amsterdam, The Netherlands
    Injury 37:203-11. 2006
    ..This study shows that treatment of a subtrochanteric nonunion with a blade plate consistently leads to bony union with a good to excellent hip score in the vast majority of the patients (25 out of 33 hips)...
  26. ncbi Open reduction and internal fixation of delayed unions and nonunions of fractures of the distal part of the humerus
    David L Helfet
    Hospital for Special Surgery, New York, NY 10021, USA
    J Bone Joint Surg Am 85:33-40. 2003
    ..The purpose of the present retrospective study was to evaluate the results of open reduction and internal fixation of delayed unions and nonunions of fractures of the distal part of the humerus...
  27. ncbi Complex open trauma of the shoulder: a case report
    Olivier Borens
    Hospital for Special Surgery, New York, New York 10021, USA
    Am J Orthop (Belle Mead NJ) 33:149-52. 2004
  28. ncbi Patient related functional outcome of glenoid rim fractures treated with open reduction and internal fixation
    Bart A Van Dijkman
    Trauma Unit, Department of Surgery, Academic Medical Center, University of Amsterdam, The Netherlands
    Acta Orthop Belg 76:730-4. 2010
    ..However, patient reported functional outcome was disappointing in 21% of the patients...
  29. pmc Computer-assisted and patient-specific 3-D planning and evaluation of a single-cut rotational osteotomy for complex long-bone deformities
    J G G Dobbe
    Department of Biomedical Engineering and Physics, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Med Biol Eng Comput 49:1363-70. 2011
    ....
  30. pmc Lengthening osteotomy at the intertrochanteric level with simultaneous correction of angular deformities
    R K Marti
    Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    Int Orthop 25:355-9. 2001
    ..We present our results in nine patients. The aim of this paper is to provide the orthopaedic surgeon with a detailed approach to treating these deformities with reproducible results...
  31. ncbi Anteroinferior plating of midshaft clavicular nonunions
    P Kloen
    Department of Orthopaedic Surgery, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, New York 10021, USA
    J Orthop Trauma 16:425-30. 2002
    ..We conclude that anteroinferior plating is a reliable and safe technique that leads to high rates of bony union in midshaft clavicular nonunions...
  32. ncbi Limb salvage after subtotal supramalleolar amputation by initial shortening followed by tibial lengthening
    R K Marti
    Department of Orthopaedic Surgery, Academic Medical Center, G4 Noord, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Arch Orthop Trauma Surg 123:317-21. 2003
    ..We present a patient with a subtotal traumatic supramalleolar amputation of the leg, which was initially treated by a vascular reconstruction with deliberate bone and soft-tissue shortening...
  33. ncbi Nonunions of the distal tibia treated by reamed intramedullary nailing
    Jeffrey Richmond
    Orthopaedic Trauma Service, Hospital for Special Surgery, New York, NY 10021, USA
    J Orthop Trauma 18:603-10. 2004
    ..Intramedullary nailing is an attractive solution to this problem because it avoids extensive dissection, and the implant remains intraosseous, posing minimal problem for the soft tissues...
  34. ncbi Expression and activation of the BMP-signaling components in human fracture nonunions
    Peter Kloen
    The Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA
    J Bone Joint Surg Am 84:1909-18. 2002
    ..The purpose of the present study was to determine, by immunohistochemical analysis, whether BMPs, BMP receptors, or Smad1 disappear from tissues during the development of a fracture nonunion...
  35. ncbi Bilateral Monteggia fractures
    Peter Kloen
    Hospital for Special Surgery, New York, New York, USA
    Am J Orthop (Belle Mead NJ) 32:98-100. 2003
    ..Despite the surgical and rehabilitative challenges posed by our patient's case, excellent results were obtained for both elbows...
  36. doi Fractures of the capitellum and trochlea
    Thierry G Guitton
    Academic Medical Center, Amsterdam, The Netherlands
    J Bone Joint Surg Am 91:390-7. 2009
    ..We assessed the experience with operative stabilization of fractures of the capitellum and trochlea at one level-I trauma center over a twenty-eight-year period...
  37. ncbi ORIF of delayed unions and nonunions of distal humeral fractures. Surgical technique
    David L Helfet
    Hospital for Special Surgery, New York, NY 10021, USA
    J Bone Joint Surg Am 86:18-29. 2004
    ..The purpose of the present retrospective study was to evaluate the results of open reduction and internal fixation of delayed unions and nonunions of fractures of the distal part of the humerus...
  38. ncbi Loss of alignment after surgical treatment of posterior Monteggia fractures: salvage with dorsal contoured plating
    David Ring
    Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, MA 02114, USA
    J Hand Surg Am 29:694-702. 2004
    ..To review the results of internal fixation with a dorsal contoured plate in patients with malalignment after internal fixation of a posterior Monteggia fracture...
  39. ncbi Surgical accuracy in identifying the elbow rotation axis on fluoroscopic images
    J K Wiggers
    Department of Surgery, Trauma Unit, and the Department of Biomedical Engineering and Physics, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands Department of Orthopaedic Surgery, Sentral Hospital Førde, Førde, Norway
    J Hand Surg Am 39:1141-5. 2014
    ..To assess the accuracy of surgeons in identifying elbow rotation axis (RA) on fluoroscopic images and to measure the interobserver variability...
  40. ncbi Transforming growth factor-beta: possible roles in Dupuytren's contracture
    P Kloen
    Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, USA
    J Hand Surg Am 20:101-8. 1995
    ..Both cell types secreted both active and latent TGF-beta. Our results suggest that growth factors such as TGF-beta and EGF may play a role in Dupuytren's contracture...
  41. ncbi Anterior tension band plating for anterior tibial stress fractures in high-performance female athletes: a report of 4 cases
    Olivier Borens
    Orthopaedic Trauma Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA
    J Orthop Trauma 20:425-30. 2006
    ..This approach should be considered in those athletes who wish to avoid the more prolonged convalescence associated with nonoperative treatment, or the problems, especially of the knee, associated with intramedullary nailing...
  42. ncbi Surgical treatment of intra-articular fractures of the distal part of the humerus. Functional outcome after twelve to thirty years
    Job N Doornberg
    Academic Medical Center, G4 Noord, Kamer 249, Meibergdreef 9, 1100 DD Amsterdam, The Netherlands
    J Bone Joint Surg Am 89:1524-32. 2007
    ..This investigation addressed the long-term clinical and radiographic results of surgical treatment of intra-articular distal humeral fractures (AO Type C) as assessed with use of standardized outcome measures...
  43. doi Biomechanical and clinical evaluation of posterior malleolar fractures. A systematic review of the literature
    Michel P J van den Bekerom
    Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
    J Trauma 66:279-84. 2009
    ..Ultimately, the goal is to try to formulate helpful recommendations for clinical practice...
  44. ncbi MRI assessment of the posterior acetabular wall fracture in traumatic dislocation of the hip in children
    Ivan F Rubel
    Department of Orthopaedic Surgery, Weill Medical College of Cornell University, Hospital for Special Surgery, 535 East 71st Street, New York, NY 10021, USA
    Pediatr Radiol 32:435-9. 2002
    ..Magnetic resonance imaging (MRI) disclosed an extensive posterior wall traumatic involvement in both cases and helped to decide in favor of open reduction of the hip and internal fixation of the posterior wall fragment...
  45. ncbi Open reduction and internal fixation compared with excision for unstable displaced fractures of the radial head
    Anneluuk L C Lindenhovius
    Harvard Medical School, Orthopaedic Hand and Upper Extremity Service, Massachusetts General Hospital, Boston, MA 02114, USA
    J Hand Surg Am 32:630-6. 2007
    ..To determine if excision of the radial head for treatment of an unstable, displaced fracture is associated with a higher rate of early complications or late arthrosis as compared with open reduction and internal fixation (ORIF)...
  46. doi Correspondence between perceived disability and objective physical impairment after elbow trauma
    Anneluuk L C Lindenhovius
    Orthopaedic Hand and Upper Extremity Service, Massachusetts General Hospital, Yawkey Center, Boston, MA 02114, USA
    J Bone Joint Surg Am 90:2090-7. 2008
    ..To further evaluate the relationship between impairment and disability, we tested the hypothesis that objective loss of elbow motion predicts perceived elbow-related task-specific disability better than does pain after elbow trauma...
  47. ncbi Femoral head injuries: Which treatment strategy can be recommended?
    Philipp Henle
    Department of Orthopaedic Surgery, Inselspital, University of Berne, CH 3010 Berne, Switzerland
    Injury 38:478-88. 2007
    ....
  48. ncbi Orthopaedic trauma in the pregnant patient
    Kyle Flik
    Orthopaedic Surgeon, Northeast Orthopaedics, LLP, Albany, NY, USA
    J Am Acad Orthop Surg 14:175-82. 2006
    ..An experienced multidisciplinary team consisting of an obstetrician, perinatologist, orthopaedic surgeon, anesthesiologist, radiologist, and nursing staff will optimize the treatment of both the pregnant patient and her fetus...
  49. doi Long-term outcome of operatively treated fracture-dislocations of the olecranon
    Anneluuk L C Lindenhovius
    Harvard Medical School, Cambridge, MA, USA
    J Orthop Trauma 22:325-31. 2008
    ..To report the long-term results of operative treatment of anterior and posterior olecranon fracture-dislocations and compare them with the results recorded fewer than 2 years after surgery...