Ryan M Nunley

Summary

Affiliation: Washington University School of Medicine
Country: USA

Publications

  1. pmc Do patient-specific guides improve coronal alignment in total knee arthroplasty?
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University School of Medicine, One Barnes Jewish Hospital Plaza, 11300 West Pavilion, Campus Box 8233, St Louis, MO 63110, USA
    Clin Orthop Relat Res 470:895-902. 2012
  2. pmc Are patient-specific cutting blocks cost-effective for total knee arthroplasty?
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University School of Medicine, One Barnes Jewish Hospital Plaza, 11300 West Pavilion, Campus Box 8233, St Louis, MO 63110, USA
    Clin Orthop Relat Res 470:889-94. 2012
  3. pmc Iliopsoas bursa injections can be beneficial for pain after total hip arthroplasty
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8233, St Louis, MO 63110, USA
    Clin Orthop Relat Res 468:519-26. 2010
  4. pmc The learning curve for adopting hip resurfacing among hip specialists
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University, St Louis, MO 63130, USA
    Clin Orthop Relat Res 468:382-91. 2010
  5. pmc Aspirin decreases heterotopic ossification after hip resurfacing
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8233, St Louis, MO 63110, USA
    Clin Orthop Relat Res 469:1614-20. 2011
  6. pmc Is patient selection important for hip resurfacing?
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University, St Louis, MO 63130 4899, USA
    Clin Orthop Relat Res 467:56-65. 2009
  7. pmc Are younger patients undergoing TKAs appropriately characterized as active?
    James A Keeney
    Department of Orthopaedic Surgery, Washington University School of Medicine, 660 South Euclid, CB 8233, St Louis, MO, 63110, USA
    Clin Orthop Relat Res 472:1210-6. 2014
  8. pmc Do young, active patients perceive advantages after surface replacement compared to cementless total hip arthroplasty?
    Robert L Barrack
    Department of Orthopaedic Surgery, Washington University School of Medicine Barnes Jewish Hospital, Washington University School of Medicine, One Barnes Jewish Hospital Plaza, 11300 West Pavilion, Campus Box 8233, St Louis, MO, 63110, USA
    Clin Orthop Relat Res 471:3803-13. 2013
  9. pmc The incidence of acetabular osteolysis in young patients with conventional versus highly crosslinked polyethylene
    Nathan A Mall
    Department of Orthopedics, Washington University School of Medicine, Barnes Jewish Hospital, One Barnes Jewish Hospital Plaza, 11300 West Pavilion, St Louis, MO 63110, USA
    Clin Orthop Relat Res 469:372-81. 2011
  10. pmc Impact of socioeconomic factors on outcome of total knee arthroplasty
    Robert L Barrack
    Department of Orthopaedic Surgery, Washington University School of Medicine, One Barnes Jewish Hospital Plaza, 11300 West Pavilion, St Louis, MO, 63110, USA
    Clin Orthop Relat Res 472:86-97. 2014

Detail Information

Publications28

  1. pmc Do patient-specific guides improve coronal alignment in total knee arthroplasty?
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University School of Medicine, One Barnes Jewish Hospital Plaza, 11300 West Pavilion, Campus Box 8233, St Louis, MO 63110, USA
    Clin Orthop Relat Res 470:895-902. 2012
    ..Patient-specific instrumentation has been developed to restore mechanical or kinematic axis and potentially reduce component malpositioning. Although it is clear these instruments add cost, it is unclear whether they improve alignment...
  2. pmc Are patient-specific cutting blocks cost-effective for total knee arthroplasty?
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University School of Medicine, One Barnes Jewish Hospital Plaza, 11300 West Pavilion, Campus Box 8233, St Louis, MO 63110, USA
    Clin Orthop Relat Res 470:889-94. 2012
    ..Using patient-specific cutting blocks for TKA increases the cost to the hospital for these procedures, but it has been proposed they may reduce operative times and improve implant alignment, which could reduce the need for revision surgery...
  3. pmc Iliopsoas bursa injections can be beneficial for pain after total hip arthroplasty
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8233, St Louis, MO 63110, USA
    Clin Orthop Relat Res 468:519-26. 2010
    ....
  4. pmc The learning curve for adopting hip resurfacing among hip specialists
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University, St Louis, MO 63130, USA
    Clin Orthop Relat Res 468:382-91. 2010
    ..If achieving some ideal component position proves important for long-term function and implant survival, improved instrumentation and surgical techniques would be necessary to shorten the learning curve...
  5. pmc Aspirin decreases heterotopic ossification after hip resurfacing
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8233, St Louis, MO 63110, USA
    Clin Orthop Relat Res 469:1614-20. 2011
    ..It is unclear, however, whether HO occurs more frequently after SRA than traditional total hip arthroplasty (THA) and whether aspirin influences the risk...
  6. pmc Is patient selection important for hip resurfacing?
    Ryan M Nunley
    Department of Orthopaedic Surgery, Washington University, St Louis, MO 63130 4899, USA
    Clin Orthop Relat Res 467:56-65. 2009
    ..Based on our review, we believe the best candidates for hip resurfacing are men under age 65 with osteoarthritis and relatively normal bony morphology...
  7. pmc Are younger patients undergoing TKAs appropriately characterized as active?
    James A Keeney
    Department of Orthopaedic Surgery, Washington University School of Medicine, 660 South Euclid, CB 8233, St Louis, MO, 63110, USA
    Clin Orthop Relat Res 472:1210-6. 2014
    ..Patient age (≤ 55 years) and preoperative diagnosis have been used to define this patient group, with the presumption that these patients are more active than older patients with similar indications for TKA...
  8. pmc Do young, active patients perceive advantages after surface replacement compared to cementless total hip arthroplasty?
    Robert L Barrack
    Department of Orthopaedic Surgery, Washington University School of Medicine Barnes Jewish Hospital, Washington University School of Medicine, One Barnes Jewish Hospital Plaza, 11300 West Pavilion, Campus Box 8233, St Louis, MO, 63110, USA
    Clin Orthop Relat Res 471:3803-13. 2013
    ..Potential advantages suggested but not confirmed for surface replacement arthroplasty (SRA) over THA include lower frequency of limp, less thigh pain, less limb length discrepancy, and higher activity...
  9. pmc The incidence of acetabular osteolysis in young patients with conventional versus highly crosslinked polyethylene
    Nathan A Mall
    Department of Orthopedics, Washington University School of Medicine, Barnes Jewish Hospital, One Barnes Jewish Hospital Plaza, 11300 West Pavilion, St Louis, MO 63110, USA
    Clin Orthop Relat Res 469:372-81. 2011
    ..Previous literature has focused on the amount of polyethylene wear comparing highly crosslinked polyethylene (HXPLE) with conventional liners but has not clarified the relative incidence of osteolysis with these two liners...
  10. pmc Impact of socioeconomic factors on outcome of total knee arthroplasty
    Robert L Barrack
    Department of Orthopaedic Surgery, Washington University School of Medicine, One Barnes Jewish Hospital Plaza, 11300 West Pavilion, St Louis, MO, 63110, USA
    Clin Orthop Relat Res 472:86-97. 2014
    ..Predictors of TKA outcomes have focused primarily on surgical technique, implant details, and individual patient clinical factors. The relative importance of these factors compared to patient socioeconomic status is not known...
  11. doi request reprint Accuracy of acetabular component position in hip arthroplasty
    Robert L Barrack
    Department of Orthopaedic Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8233, St Louis, MO 63110 E mail address for R L Barrack
    J Bone Joint Surg Am 95:1760-8. 2013
    ..The purpose of this study was to examine the frequency in which acetabular components are placed within a predetermined target range...
  12. pmc 2011 Marshall Urist Young Investigator Award: when to release patients to high-impact activities after hip resurfacing
    Katherine M Bedigrew
    Washington University School of Medicine, St Louis, MO, USA
    Clin Orthop Relat Res 470:299-306. 2012
    ..Femoral neck fracture is an arthroplasty-related complication unique to surface replacement arthroplasty. However, it is unclear regarding whether patients are at lower risk for fracture after a certain postoperative time...
  13. doi request reprint Readmission following total knee arthroplasty: venous thromboembolism as a "never event" is a counterproductive misnomer
    Muyibat A Adelani
    Department of Orthopaedic Surgery, Washington University School of Medicine, Saint Louis, Missouri 63110, USA
    J Arthroplasty 28:747-50. 2013
    ..3%), and all occurred despite adequate prophylaxis. The cost of bleeding, wound complications, infection, and limited motion each exceeded the cost of VTE. These results challenge the identification of VTE as a "never event."..
  14. pmc Initial American experience with hip resurfacing following FDA approval
    Craig J Della Valle
    Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL 60612, USA
    Clin Orthop Relat Res 467:72-8. 2009
    ..Complications were frequently seen among patients older than 55 years of age and in women, emphasizing the importance of appropriate patient selection for the procedure...
  15. pmc Incidence and characteristics of femoral deformities in the dysplastic hip
    John C Clohisy
    Department of Orthopaedic Surgery, Barnes Jewish Hospital, Washington University School of Medicine, One Barnes Hospital Plaza, St Louis, MO 63110, USA
    Clin Orthop Relat Res 467:128-34. 2009
    ..Identifying and treating these abnormalities may optimize joint congruency and minimize secondary impingement after acetabular reorientation...
  16. ncbi request reprint The reliability and variation of acetabular component anteversion measurements from cross-table lateral radiographs
    Ryan M Nunley
    Washington University School of Medicine, Department of Orthopaedic Surgery, Saint Louis, Missouri 63110, USA
    J Arthroplasty 26:84-7. 2011
    ..Although CL imaging provides acceptable assessment of general component position, it has limited use for precise analysis in research, outcome reporting, or determination of cause of implant failure...
  17. pmc The fate of grafting acetabular defects during revision total hip arthroplasty
    Nathan A Mall
    Department of Orthopaedics, Washington University Barnes Jewish Hospital, St Louis, MO, USA
    Clin Orthop Relat Res 468:3286-94. 2010
    ..Previous studies using plain radiographs report high rates of graft incorporation. However, given plain radiographs underestimate osteolysis, it is unclear whether plain radiographs adequately reflect graft fill or incorporation...
  18. pmc Magnetic resonance imaging of the hip: poor cost utility for treatment of adult patients with hip pain
    James A Keeney
    Department of Orthopaedic Surgery, Washington University School of Medicine, St Louis, MO, USA
    Clin Orthop Relat Res 472:787-92. 2014
    ..Although MRI is frequently used to diagnose conditions affecting the hip, its cost-effectiveness has not been defined...
  19. ncbi request reprint Assessing readmission databases: how reliable is the information?
    James A Keeney
    Department of Orthopaedic Surgery, Washington University School of Medicine, St Louis, Missouri, USA
    J Arthroplasty 27:72-6.e1-2. 2012
    ..66, 77, 78, and 998.59) in 70% of cases. The findings of our study raise questions regarding the validity of accepting information obtained from larger databases without closer scrutiny...
  20. doi request reprint Clinical and radiographic predictors of intra-articular hip disease in arthroscopy
    Jeffrey J Nepple
    Department of Orthopaedic Surgery, Washington University School of Medicine, St Louis, Missouri 63110, USA
    Am J Sports Med 39:296-303. 2011
    ..Nevertheless, contemporary diagnostic tools have significant limitations in predicting severity of disease preoperatively...
  21. doi request reprint Clinical presentation of symptomatic acetabular dysplasia in skeletally mature patients
    Ryan M Nunley
    Department of Orthopaedic Surgery, Barnes Jewish Hospital, Washington University School of Medicine, St Louis, MO, USA
    J Bone Joint Surg Am 93:17-21. 2011
    ..The purpose of this study was to prospectively determine the early clinical presentation of symptomatic acetabular dysplasia in skeletally mature patients...
  22. ncbi request reprint Periacetabular osteotomy for the treatment of acetabular dysplasia associated with major aspherical femoral head deformities
    John C Clohisy
    St Louis Shriners Hospital for Children, Department of Orthopaedic Surgery, Washington University School of Medicine, St Louis, MO 63110, USA
    J Bone Joint Surg Am 89:1417-23. 2007
    ..The optimal method of surgical correction for these challenging combined deformities remains controversial...
  23. ncbi request reprint The frog-leg lateral radiograph accurately visualized hip cam impingement abnormalities
    John C Clohisy
    Department of Orthopaedic Surgery, Washington University School of Medicine, St Louis, MO 63110, USA
    Clin Orthop Relat Res 462:115-21. 2007
    ..6 mm for hips with impingement versus 9.3 mm for control hips). The frog-leg lateral radiograph provides accurate visualization of the femoral head-neck offset in patients being evaluated for femoroacetabular impingement...
  24. ncbi request reprint Total knee arthroplasty after previous knee surgery: expected interval and the effect on patient age
    Robert H Brophy
    Department of Orthopaedic Surgery, Washington University School of Medicine, 14532 South Outer Forty Drive, Chesterfield, MO 63017
    J Bone Joint Surg Am 96:801-5. 2014
    ....
  25. pmc Evaluation of the 3-dimensional, weight-bearing orientation of the normal adult knee
    Denis Nam
    Department of Orthopaedic Surgery, Washington University School of Medicine Barnes Jewish Hospital, St Louis, Missouri
    J Arthroplasty 29:906-11. 2014
    ..77), but only a moderate agreement for joint line obliquity (κ = 0.58). A substantial portion of asymptomatic adults possess either a varus or valgus mechanical alignment and joint line obliquity...
  26. ncbi request reprint Technique for total hip arthroplasty in a patient with through-knee amputation
    Murat Pekmezci
    Department of Orthopedic Surgery, Washington University School of Medicine, Barnes Jewish Hospital, St Louis, MO 63110, USA
    J Arthroplasty 25:659.e1-3. 2010
    ..The patient was informed that the data concerning his case would be submitted for publication, and he consented...
  27. pmc Combined periacetabular and femoral osteotomies for severe hip deformities
    John C Clohisy
    Department of Orthopaedic Surgery, Washington University School of Medicine, One Barnes Jewish Plaza, Suite 11300 West Pavilion, Campus Box 8233, St Louis, MO 63110, USA
    Clin Orthop Relat Res 467:2221-7. 2009
    ..These data indicate combined PAO/PFO is associated with improved hip function in most patients. These clinical results are comparable to those obtained with isolated PAO for lesser hip deformities...
  28. ncbi request reprint Pyrolytic carbon arthroplasty for posttraumatic arthritis of the proximal interphalangeal joint
    Ryan M Nunley
    Department of Orthopaedic Surgery at Barnes Hospital, Washington University School of Medicine, St Louis, MO 63110, USA
    J Hand Surg Am 31:1468-74. 2006
    ..To prospectively evaluate the subjective and objective functional outcome of patients treated with a pyrolytic carbon proximal interphalangeal (PIP) joint arthroplasty for posttraumatic arthritis...