Research Topics
| Ryan M NunleySummaryAffiliation: Washington University School of Medicine Country: USA Publications
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Detail Information
Publications
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...
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...
Aspirin decreases heterotopic ossification after hip resurfacingRyan 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...
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..Level of Evidence: Level V, prognostic study. See the Guidelines for Authors for a complete description of levels of evidence...
Iliopsoas bursa injections can be beneficial for pain after total hip arthroplastyRyan 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..Level of Evidence: Level IV, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence...
The learning curve for adopting hip resurfacing among hip specialistsRyan M Nunley
Department of Orthopaedic Surgery, Washington University, St Louis, MO 63130, USA
Clin Orthop Relat Res 468:382-91. 2010..Level of Evidence: Level II, prognostic study. See Guidelines for Authors for a complete description of levels of evidence...
The incidence of acetabular osteolysis in young patients with conventional versus highly crosslinked polyethyleneNathan 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...
2011 Marshall Urist Young Investigator Award: when to release patients to high-impact activities after hip resurfacingKatherine 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...
Incidence and characteristics of femoral deformities in the dysplastic hipJohn 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..LEVEL OF EVIDENCE: Level II, diagnostic study. See the Guidelines for Authors for a complete description of levels of evidence...
Initial American experience with hip resurfacing following FDA approvalCraig J Della Valle
Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL 60612, USA
Clin Orthop Relat Res 467:72-8. 2009..Level of Evidence: Level IV, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence...
The reliability and variation of acetabular component anteversion measurements from cross-table lateral radiographsRyan 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...
The fate of grafting acetabular defects during revision total hip arthroplastyNathan 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...
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...
Clinical and radiographic predictors of intra-articular hip disease in arthroscopyJeffrey 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...
Readmission following total knee arthroplasty: venous thromboembolism as a "never event" is a counterproductive misnomerMuyibat A Adelani
Department of Orthopaedic Surgery, Washington University School of Medicine, Saint Louis, Missouri
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."..
Clinical presentation of symptomatic acetabular dysplasia in skeletally mature patientsRyan 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...
Periacetabular osteotomy for the treatment of acetabular dysplasia associated with major aspherical femoral head deformitiesJohn 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...
The frog-leg lateral radiograph accurately visualized hip cam impingement abnormalitiesJohn 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...
Technique for total hip arthroplasty in a patient with through-knee amputationMurat 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...
Combined periacetabular and femoral osteotomies for severe hip deformitiesJohn 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...
Pyrolytic carbon arthroplasty for posttraumatic arthritis of the proximal interphalangeal jointRyan 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..For posttraumatic patients, we no longer use pyrolytic carbon PIP joint arthroplasty...
