Naomi Kobayashi

Summary

Publications

  1. doi request reprint Use of F-18 fluoride PET to differentiate septic from aseptic loosening in total hip arthroplasty patients
    Naomi Kobayashi
    Department of Orthopaedic Surgery, Yokohama City University, School of Medicine, Yokohama, Japan
    Clin Nucl Med 36:e156-61. 2011
  2. doi request reprint Rapid and sensitive detection of methicillin-resistant Staphylococcus periprosthetic infections using real-time polymerase chain reaction
    Naomi Kobayashi
    Department of Orthopaedic Surgery, Yokohama City University, Japan
    Diagn Microbiol Infect Dis 64:172-6. 2009
  3. doi request reprint Simultaneous intraoperative detection of methicillin-resistant Staphylococcus and pan-bacterial infection during revision surgery: use of simple DNA release by ultrasonication and real-time polymerase chain reaction
    Naomi Kobayashi
    Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
    J Bone Joint Surg Am 91:2896-902. 2009
  4. ncbi request reprint Repair of articular cartilage defect by autologous transplantation of basic fibroblast growth factor gene-transduced chondrocytes with adeno-associated virus vector
    Naoki Yokoo
    Department of Orthopaedic Surgery, Yokohama City University School of Medicine, 3 9 Fukuura, Kanazawa Ku, Yokohama 236 0004, Japan
    Arthritis Rheum 52:164-70. 2005
  5. pmc Use of 18F-fluoride PET to determine the appropriate tissue sampling region for improved sensitivity of tissue examinations in cases of suspected periprosthetic infection after total hip arthroplasty
    Hyonmin Choe
    Department of Orthopaedic Surgery, School of Medicine, Yokohama City University, Yokohama, Japan
    Acta Orthop 82:427-32. 2011
  6. pmc Different diagnostic properties of C-reactive protein, real-time PCR, and histopathology of frozen and permanent sections in diagnosis of periprosthetic joint infection
    Yushi Miyamae
    Department of Orthopaedic Surgery, Yokohama City University, School of Medicine, Kanazawa Ku, Yokohama, Japan
    Acta Orthop 84:524-9. 2013
  7. ncbi request reprint Comparison of mechanical stress and change in bone mineral density between two types of femoral implant using finite element analysis
    Yasuhide Hirata
    Department of Orthopedic Surgery, Yokohama City University, Yokohama, Japan
    J Arthroplasty 28:1731-5. 2013
  8. doi request reprint New application of 18F-fluoride PET for the detection of bone remodeling in early-stage osteoarthritis of the hip
    Naomi Kobayashi
    From the Department of Orthopaedic Surgery, and Department of Radiology, Yokohama City University, Yokohama, Japan
    Clin Nucl Med 38:e379-83. 2013
  9. doi request reprint Changes in pelvic tilt following total hip arthroplasty
    Takashi Ishida
    Department of Orthopaedic Surgery, Yokohama City University, 3 9 Fukuura, Kanazawa Ku, Yokohama, 236 0004, Japan
    J Orthop Sci 16:682-8. 2011
  10. doi request reprint Leg length discrepancy and lower limb alignment after total hip arthroplasty in unilateral hip osteoarthritis patients
    Hiroshi Fujimaki
    Department of Orthopaedic Surgery, Yokohama City University, 3 9 Fukuura, Kanazawa Ku, Yokohama, 236 0004, Japan
    J Orthop Sci 18:969-76. 2013

Collaborators

Detail Information

Publications18

  1. doi request reprint Use of F-18 fluoride PET to differentiate septic from aseptic loosening in total hip arthroplasty patients
    Naomi Kobayashi
    Department of Orthopaedic Surgery, Yokohama City University, School of Medicine, Yokohama, Japan
    Clin Nucl Med 36:e156-61. 2011
    ....
  2. doi request reprint Rapid and sensitive detection of methicillin-resistant Staphylococcus periprosthetic infections using real-time polymerase chain reaction
    Naomi Kobayashi
    Department of Orthopaedic Surgery, Yokohama City University, Japan
    Diagn Microbiol Infect Dis 64:172-6. 2009
    ..83, 1.00, and 0.79, respectively. We conclude that the use of this approach will improve the diagnosis of MRS having a direct impact in the management of cases of periprosthetic infections...
  3. doi request reprint Simultaneous intraoperative detection of methicillin-resistant Staphylococcus and pan-bacterial infection during revision surgery: use of simple DNA release by ultrasonication and real-time polymerase chain reaction
    Naomi Kobayashi
    Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
    J Bone Joint Surg Am 91:2896-902. 2009
    ..In the current study, we used intraoperative polymerase chain reaction identification combined with a simple DNA-release method with ultrasonication to diagnose periprosthetic infections during revision surgery...
  4. ncbi request reprint Repair of articular cartilage defect by autologous transplantation of basic fibroblast growth factor gene-transduced chondrocytes with adeno-associated virus vector
    Naoki Yokoo
    Department of Orthopaedic Surgery, Yokohama City University School of Medicine, 3 9 Fukuura, Kanazawa Ku, Yokohama 236 0004, Japan
    Arthritis Rheum 52:164-70. 2005
    ..To examine the effects of basic fibroblast growth factor (bFGF) gene-transduced chondrocytes on the repair of articular cartilage defects...
  5. pmc Use of 18F-fluoride PET to determine the appropriate tissue sampling region for improved sensitivity of tissue examinations in cases of suspected periprosthetic infection after total hip arthroplasty
    Hyonmin Choe
    Department of Orthopaedic Surgery, School of Medicine, Yokohama City University, Yokohama, Japan
    Acta Orthop 82:427-32. 2011
    ..We used (18)F-fluoride positron emission tomography (PET) to identify sites of inflammation in order to improve the sensitivity of histopathology, microbiological culture, and real-time PCR in total hip arthroplasty (THA) patients...
  6. pmc Different diagnostic properties of C-reactive protein, real-time PCR, and histopathology of frozen and permanent sections in diagnosis of periprosthetic joint infection
    Yushi Miyamae
    Department of Orthopaedic Surgery, Yokohama City University, School of Medicine, Kanazawa Ku, Yokohama, Japan
    Acta Orthop 84:524-9. 2013
    ..We evaluated the properties of preoperative serum C-reactive protein (CRP), real-time polymerase chain reaction (PCR), and histopathological evaluation of frozen and permanent sections in clinical cases with culture-positive PJI...
  7. ncbi request reprint Comparison of mechanical stress and change in bone mineral density between two types of femoral implant using finite element analysis
    Yasuhide Hirata
    Department of Orthopedic Surgery, Yokohama City University, Yokohama, Japan
    J Arthroplasty 28:1731-5. 2013
    ..The Zweymuller stem group had less mechanical stress and lower BMD in zone 7 than the fit-and-fill stem group. In conclusion, differences in mechanical stress may be related to changes in BMD after THA. ..
  8. doi request reprint New application of 18F-fluoride PET for the detection of bone remodeling in early-stage osteoarthritis of the hip
    Naomi Kobayashi
    From the Department of Orthopaedic Surgery, and Department of Radiology, Yokohama City University, Yokohama, Japan
    Clin Nucl Med 38:e379-83. 2013
    ..We have applied 18F-fluoride PET to the analysis of painful or dysplastic hips at various stages of OA and then compared this with radiographic findings and clinical findings...
  9. doi request reprint Changes in pelvic tilt following total hip arthroplasty
    Takashi Ishida
    Department of Orthopaedic Surgery, Yokohama City University, 3 9 Fukuura, Kanazawa Ku, Yokohama, 236 0004, Japan
    J Orthop Sci 16:682-8. 2011
    ..Second, we determined the correlation between preoperative pelvic tilt and the extent of postoperative changes in the pelvic tilt. Third, we evaluated the effects of changes in pelvic tilt on postoperative function and disability...
  10. doi request reprint Leg length discrepancy and lower limb alignment after total hip arthroplasty in unilateral hip osteoarthritis patients
    Hiroshi Fujimaki
    Department of Orthopaedic Surgery, Yokohama City University, 3 9 Fukuura, Kanazawa Ku, Yokohama, 236 0004, Japan
    J Orthop Sci 18:969-76. 2013
    ..Secondly, we determined the influence of lower limb alignment on LLD after THA. Thirdly, we evaluated the influence of LLD in the entire lower leg on the clinical outcomes after THA...
  11. doi request reprint Quantitative evaluation of periprosthetic infection by real-time polymerase chain reaction: a comparison with conventional methods
    Yushi Miyamae
    Department of Orthopaedic Surgery, Yokohama City University, School of Medicine, 3 9 Fukuura, Kanazawa Ku, Yokohama, Japan
    Diagn Microbiol Infect Dis 74:125-30. 2012
    ..This quantification method may be valuable for assessing infection severity...
  12. doi request reprint Plasma accumulation of fondaparinux 2.5 mg in patients after total hip arthroplasty
    Yohei Yukizawa
    Musculoskeletal Science, Yokohama City University Graduate School of Medicine, Yokohama, Japan
    J Thromb Thrombolysis 34:526-32. 2012
    ..Substantial increase in the levels of anti-Xa activity was observed, especially in patients with renal impairment, after subcutaneous administration of FPX 2.5 mg after THA...
  13. doi request reprint A comparison of the effects of alendronate and alfacalcidol on bone mineral density around the femoral implant and in the lumbar spine after total hip arthroplasty
    Naoyuki Iwamoto
    Department of Orthopaedic Surgery, Yokohama City University School of Medicine, Yokohama, Japan
    J Bone Joint Surg Am 93:1203-9. 2011
    ..The purpose of the present study was to compare the effects of alendronate and alfacalcidol on bone mineral density loss around the femoral implant and in the lumbar spine after total hip arthroplasty...
  14. doi request reprint Use of real-time polymerase chain reaction for the diagnosis of infection and differentiation between gram-positive and gram-negative septic arthritis in children
    Hyonmin Choe
    Department of Orthopaedic Surgery, Yokohama City University School of Medicine, Yokohama, Japan
    J Pediatr Orthop 33:e28-33. 2013
    ..The purpose of this study was to evaluate the efficacy of real-time polymerase chain reaction (PCR) for the diagnosis of SA in children...
  15. doi request reprint Little clinical advantage of modified Watson-Jones approach over modified mini-incision direct lateral approach in primary total hip arthroplasty
    Yutaka Inaba
    Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Kanagawa 236 0004, Japan
    J Arthroplasty 26:1117-22. 2011
    ....
  16. ncbi request reprint Diagnosis of periprosthetic infection
    Thomas W Bauer
    Department of Pathology, The Cleveland Clinic Foundation, L25, 9500 Euclid Avenue, Cleveland, OH 44195, USA
    J Bone Joint Surg Am 88:869-82. 2006
    ..Polymerase chain reactions can detect necrotic bacteria, so the clinical importance of positive results of this analysis in the absence of other features of infection remains to be determined...
  17. doi request reprint Rapid sensitive molecular diagnosis of pyogenic spinal infections using methicillin-resistant Staphylococcus-specific polymerase chain reaction and 16S ribosomal RNA gene-based universal polymerase chain reaction
    Hyonmin Choe
    Yokohama City University School of Medicine, Department of Orthopaedic Surgery, 3 9 Fukuura, Kanazawa Ku, Yokohama, Japan Electronic address
    Spine J 14:255-62. 2014
    ..Rapid diagnosis and accurate detection of etiological agents in pyogenic spinal infection (PSI) patients are important...
  18. ncbi request reprint Gene marking in adeno-associated virus vector infected periosteum derived cells for cartilage repair
    Naomi Kobayashi
    Department of Orthopaedic Surgery, Yokohama City University School of Medicine, Yokohama, Japan
    J Rheumatol 29:2176-80. 2002
    ..To evaluate both the potential for transferring genes to periosteal cells using an adeno-associated virus (AAV) vector and the potential for gene expression after transplantation of those cells to a cartilage defect in vivo...