Merrill A Ritter

Summary

Publications

  1. ncbi request reprint Ultraviolet lighting during orthopaedic surgery and the rate of infection
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital Mooresville, 1199 Hadley Road, Mooresville, IN 46158, USA
    J Bone Joint Surg Am 89:1935-40. 2007
  2. doi request reprint The effect of postoperative range of motion on functional activities after posterior cruciate-retaining total knee arthroplasty
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, USA
    J Bone Joint Surg Am 90:777-84. 2008
  3. ncbi request reprint Failure mechanisms of total hip resurfacing: implications for the present
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 453:110-4. 2006
  4. ncbi request reprint The effect of femoral notching during total knee arthroplasty on the prevalence of postoperative femoral fractures and on clinical outcome
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, USA
    J Bone Joint Surg Am 87:2411-4. 2005
  5. ncbi request reprint Total knee arthroplasty effectiveness in patients 55 years old and younger: osteoarthritis vs. rheumatoid arthritis
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, United States
    Knee 14:9-11. 2007
  6. doi request reprint The effect of alignment and BMI on failure of total knee replacement
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital Mooresville, 1199 Hadley Road, Mooresville, IN 46158, USA Ritter
    J Bone Joint Surg Am 93:1588-96. 2011
  7. pmc High survival of uncemented proximally porous-coated titanium alloy femoral stems in osteoporotic bone
    John B Meding
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, 1199 Hadley Road, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 468:441-7. 2010
  8. doi request reprint Intramedullary vs extramedullary femoral alignment guides: a 15-year follow-up of survivorship
    John B Meding
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Mooresville, Indiana, USA
    J Arthroplasty 26:591-5. 2011
  9. doi request reprint The effects of bone resection depth and malalignment on strain in the proximal tibia after total knee arthroplasty
    Michael E Berend
    Joint Replacement Surgeons of Indiana Research Foundation, Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, IN 46158, USA
    J Arthroplasty 25:314-8. 2010
  10. ncbi request reprint Predicting range of motion after revision total knee arthroplasty: clustering and log-linear regression analyses
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana, USA
    J Arthroplasty 19:338-43. 2004

Collaborators

Detail Information

Publications81

  1. ncbi request reprint Ultraviolet lighting during orthopaedic surgery and the rate of infection
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital Mooresville, 1199 Hadley Road, Mooresville, IN 46158, USA
    J Bone Joint Surg Am 89:1935-40. 2007
    ..The purpose of the present study was to compare the infection rates following joint replacement procedures performed by one orthopaedic surgeon with and without the use of ultraviolet lighting...
  2. doi request reprint The effect of postoperative range of motion on functional activities after posterior cruciate-retaining total knee arthroplasty
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, USA
    J Bone Joint Surg Am 90:777-84. 2008
    ..This study was designed to determine the optimal range of motion for knee function after total knee arthroplasty with a posterior cruciate-retaining prosthesis...
  3. ncbi request reprint Failure mechanisms of total hip resurfacing: implications for the present
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 453:110-4. 2006
    ..These data should be considered in the context of growing enthusiasm for resurfacing with new bearing surfaces and cementless fixation...
  4. ncbi request reprint The effect of femoral notching during total knee arthroplasty on the prevalence of postoperative femoral fractures and on clinical outcome
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, USA
    J Bone Joint Surg Am 87:2411-4. 2005
    ....
  5. ncbi request reprint Total knee arthroplasty effectiveness in patients 55 years old and younger: osteoarthritis vs. rheumatoid arthritis
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, United States
    Knee 14:9-11. 2007
    ..rheumatoid arthritis). The success also continued over time with an estimated survival rate of 94.8% at 12 years. Total knee arthroplasty is an effective operation in patients younger then 55 years old...
  6. doi request reprint The effect of alignment and BMI on failure of total knee replacement
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital Mooresville, 1199 Hadley Road, Mooresville, IN 46158, USA Ritter
    J Bone Joint Surg Am 93:1588-96. 2011
    ..The purpose of this study was to determine the effect of tibiofemoral alignment, femoral and tibial component alignment, and body-mass index (BMI) on implant survival following total knee replacement...
  7. pmc High survival of uncemented proximally porous-coated titanium alloy femoral stems in osteoporotic bone
    John B Meding
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, 1199 Hadley Road, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 468:441-7. 2010
    ..Level of Evidence: Level III, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence...
  8. doi request reprint Intramedullary vs extramedullary femoral alignment guides: a 15-year follow-up of survivorship
    John B Meding
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Mooresville, Indiana, USA
    J Arthroplasty 26:591-5. 2011
    ..The choice of either alignment system should be determined by the patient's anatomy; however, the overall alignment is not as precise using the extramedullary system...
  9. doi request reprint The effects of bone resection depth and malalignment on strain in the proximal tibia after total knee arthroplasty
    Michael E Berend
    Joint Replacement Surgeons of Indiana Research Foundation, Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, IN 46158, USA
    J Arthroplasty 25:314-8. 2010
    ..Changes in loading patterns in specimens with increased tibial resection depths have not previously been described...
  10. ncbi request reprint Predicting range of motion after revision total knee arthroplasty: clustering and log-linear regression analyses
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana, USA
    J Arthroplasty 19:338-43. 2004
    ..When comparing the results of this study to the results of a similar study of primary total knee arthroplasties, flexion improved less following revision than following primary total knee arthroplasty...
  11. pmc Hybrid total knee arthroplasty: 13-year survivorship of AGC total knee systems with average 7 years followup
    Philip M Faris
    The Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 466:1204-9. 2008
    ..Osteolysis was observed in one knee after secondary evaluation. Hybrid fixation in a selected patient population can result in excellent results in middle to long-term followup...
  12. doi request reprint Effects of femoral component size on proximal tibial strain with anatomic graduated components total knee arthroplasty
    Michael E Berend
    Joint Replacement Surgeons of Indiana Research Foundation, Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana 46158, USA
    J Arthroplasty 25:58-63. 2010
    ..Limiting stress concentrations in the periphery of the proximal tibia by considering sizing relationships between femoral and tibial components may decrease osseous strains and the likelihood of bony overload in TKA...
  13. ncbi request reprint Manipulation after total knee arthroplasty
    E Michael Keating
    Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, USA
    J Bone Joint Surg Am 89:282-6. 2007
    ..The purpose of this study was to assess the outcomes of manipulation following total knee arthroplasty...
  14. ncbi request reprint The effect of stuffing the patellofemoral compartment on the outcome of total knee arthroplasty
    Jeffery L Pierson
    Center for Hip amd Knee Surgery, St Francis Hospital, Indiana, USA
    J Bone Joint Surg Am 89:2195-203. 2007
    ..The purpose of the present study was to evaluate the effect of stuffing the patellofemoral compartment on the outcome of primary total knee arthroplasty...
  15. doi request reprint Morbidly obese, diabetic, younger, and unilateral joint arthroplasty patients have elevated total joint arthroplasty infection rates
    Robert A Malinzak
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Mooresville, Indiana, USA
    J Arthroplasty 24:84-8. 2009
    ..0024). The average age in our infection cohort was 64.3 and 68.4 in the noninfected cohort. In this retrospective review study, obesity, diabetes, and younger age were found to be risk factors for joint arthroplasty infection...
  16. pmc Does high tibial osteotomy affect the success or survival of a total knee replacement?
    John B Meding
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, 1199 Hadley Road, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 469:1991-4. 2011
    ..Whether a previous high tibial osteotomy (HTO) influences the long-term function or survival of a total knee arthroplasty (TKA) is controversial...
  17. doi request reprint "Thicker" polyethylene bearings are associated with higher failure rates in primary total knee arthroplasty
    Michael E Berend
    Joint Replacement Surgeons of Indiana Research Foundation, Center for Hip and Knee Surgery, St Francis Medical Group, St Francis Hospital Mooresville, Mooresville, Indiana 46158, USA
    J Arthroplasty 25:17-20. 2010
    ..The significant influence of this often-unrecognized surgical variable has not been previously reported and must be carefully considered during TKA...
  18. ncbi request reprint The cemented all-polyethylene acetabular cup: factors affecting survival with emphasis on the integrated polyethylene spacer: an analysis of the effect of cement spacers, cement mantle thickness, and acetabular angle on the survival of total hip arthropla
    Philip M Faris
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Indiana 46158, USA
    J Arthroplasty 21:191-8. 2006
    ..0001). Cups initially placed at an angle of 45.0 degrees to 50.5 degrees had the highest survival rate compared with all possible angle ranges (P < .0158)...
  19. ncbi request reprint Simultaneous bilateral, staged bilateral, and unilateral total knee arthroplasty. A survival analysis
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Indiana 46158, USA
    J Bone Joint Surg Am 85:1532-7. 2003
    ....
  20. doi request reprint Preoperative malalignment increases risk of failure after total knee arthroplasty
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital, 1199 Hadley Road, Mooresville, IN 46158, USA
    J Bone Joint Surg Am 95:126-31. 2013
    ..The purpose of this study was to analyze the effect of preoperative knee alignment on implant survival after total knee arthroplasty...
  21. doi request reprint Metal backing significantly decreases tibial strains in a medial unicompartmental knee arthroplasty model
    Scott R Small
    Joint Replacement Surgeons of Indiana Research Foundation Center for Hip and Knee Surgery, Mooresville, Indiana 46158, USA
    J Arthroplasty 26:777-82. 2011
    ..This study demonstrates the role that metal backing plays on generating an even loading distribution while diminishing the development localized regions of excessive loading across the medial tibial cortex...
  22. ncbi request reprint The planovalgus foot: a harbinger of failure of posterior cruciate-retaining total knee replacement
    John B Meding
    Center for Hip and Knee Surgery, 1199 Hadley Road, Mooresville, IN 46158, USA
    J Bone Joint Surg Am 87:59-62. 2005
  23. ncbi request reprint Total hip arthroplasty with satin finish, tapered stems
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, IN, USA
    Orthopedics 28:1454-6. 2005
    ..76 years. There were no failures attributable to aseptic loosening at the cement-bone interface. This study supports the use of a satin finish, tapered femoral component in cemented total hip arthroplasty...
  24. ncbi request reprint Polyethylene sterilization and production affects wear in total hip arthroplasties
    Philip M Faris
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Mooresville, IN, USA
    Clin Orthop Relat Res 453:305-8. 2006
    ..Gender, body mass index, and age accounted for the greatest amount of the explained variance in volumetric wear (57.5%, 21.6%, and 14.4, respectively), followed by angle of wear (3.4%), and sterilization and production technique (3.2%)...
  25. doi request reprint A comparison in proximal tibial strain between metal-backed and all-polyethylene anatomic graduated component total knee arthroplasty tibial components
    Scott R Small
    Joint Replacement Surgeons of Indiana Research Foundation, Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana, USA
    J Arthroplasty 25:820-5. 2010
    ..Higher observed strains in the proximal tibia observed with all-polyethylene tibial components could possibly explain increased clinical failure rates observed with this TKA design...
  26. ncbi request reprint The importance of range of motion after total hip arthroplasty
    Kenneth E Davis
    Center for Hip and Knee Surgery, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 465:180-4. 2007
    ..We correlated this with high, average, or poor postoperative Harris hip scores. Hip motion was found to be correlated with postoperative hip function and may be more useful than previously thought in evaluating hip outcome...
  27. doi request reprint High preoperative range of motion is a significant risk factor for dislocation in primary total hip arthroplasty
    Brian A Krenzel
    Joint Replacement Surgeons of Indiana Research Foundation Center for Hip and Knee Surgery, Mooresville, Indiana 46158, USA
    J Arthroplasty 25:31-5. 2010
    ..9%). Preoperative range of motion is an important variable that should be taken into consideration during operative planning to help reduce the risk of dislocation...
  28. doi request reprint The clinical effect of gender on outcome of total knee arthroplasty
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Mooresville, IN 46158, USA
    J Arthroplasty 23:331-6. 2008
    ..4684). We conclude that improvement after TKA is similar for men and women, with few clinically significant differences. Sex-specific implants would appear to offer no clinical advantage...
  29. pmc Pain relief and functional improvement remain 20 years after knee arthroplasty
    John B Meding
    The Center for Hip and Knee Surgery, St Francis Hospital Mooresville, 1199 Hadley Road, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 470:144-9. 2012
    ..TKA provides demonstrable pain relief and improved health-related quality of life. Yet, a decline in physical function may occur over the long term despite the absence of implant-related problems...
  30. doi request reprint Total knee arthroplasty with 4.4 mm of tibial polyethylene an update
    John B Meding
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Mooresville, Indiana 46158, USA
    J Arthroplasty 25:772-4. 2010
    ..Survival rates for loosening or revision of any component for any reason were 98.9%, 97.5%, 95.1%, and 93.2% at 5-, 10-, 15-, and 18-years, respectively...
  31. doi request reprint Implant migration and failure in total knee arthroplasty is related to body mass index and tibial component size
    Michael E Berend
    Joint Replacement Surgeons of Indiana Research Foundation, Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana, USA
    J Arthroplasty 23:104-9. 2008
    ..We found an increased rate of tibial component loosening and implant migration in patients with a higher mass and smaller tibial component size...
  32. doi request reprint Early failure of unicompartmental knee arthroplasty leading to revision
    Thomas J Aleto
    The Center for Hip and Knee Surgery, Joint Replacement Surgeons of Indiana Research Foundation, St Francis Hospital, Mooresville, Indiana 46158, USA
    J Arthroplasty 23:159-63. 2008
    ..In our series, knees that failed by medial tibial collapse had more significant bone defects and required more complex reconstructions than is currently reported in the literature...
  33. ncbi request reprint A clinical comparison of patellar tracking using the transepicondylar axis and the posterior condylar axis
    D Gordon Newbern
    Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana 46158, USA
    J Arthroplasty 21:1141-6. 2006
    ..Routine use of the TEA is recommended for determining femoral component rotation in TKA...
  34. doi request reprint Clinical results of isolated tibial component revisions with femoral component retention
    Michael E Berend
    Joint Replacement of Surgeons of Indiana Research Foundation The Center for Hip and Knee Surgery, Moorseville, IN 46158, USA
    J Arthroplasty 23:61-4. 2008
    ..At a mean of 6.6-year follow-up, the survivorship of the revised tibial components and retained femoral components, with aseptic loosening as the end point, was 100%...
  35. ncbi request reprint The effect of the Insall-Salvati ratio on outcome after total knee arthroplasty
    R Michael Meneghini
    Joint Replacement Surgeons of Indiana Research Foundation, Mooresville, Indiana, USA
    J Arthroplasty 21:116-20. 2006
    ..0004 and 0.0081, respectively). There was no effect of the ISR upon ROM, Knee Society Score, or pain scores. Optimal outcomes occurred in patients where the ISR was not decreased after TKA, with superior stair and function scores...
  36. ncbi request reprint Minimum ten-year follow-up of a straight-stemmed, plasma-sprayed, titanium-alloy, uncemented femoral component in primary total hip arthroplasty
    John B Meding
    The Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, IN 46158, USA
    J Bone Joint Surg Am 86:92-7. 2004
    ..The purpose of the present study was to evaluate the minimum ten-year results of primary total hip arthroplasty performed with use of a proximally porous-coated, plasma-sprayed, straight-stemmed, titanium-alloy femoral component...
  37. ncbi request reprint The AGC all-polyethylene tibial component: a ten-year clinical evaluation
    Philip M Faris
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Indiana 46158, USA
    J Bone Joint Surg Am 85:489-93. 2003
    ..The purpose of the present study was to describe the survival of the AGC all-polyethylene tibial component...
  38. pmc Acetabular cup design influences deformational response in total hip arthroplasty
    John B Meding
    Joint Replacement Surgeons of Indiana Foundation, Inc, 1199 Hadley Road, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 471:403-9. 2013
    ..QUESTIONS/PURPOSES : We asked whether (1) changes in component geometry and material altered maximum shell deformation and (2) time-dependent deformational relaxation processes occurred...
  39. ncbi request reprint Bearing mobility affects tibial strain in mobile-bearing unicompartmental knee arthroplasty
    Scott R Small
    Joint Replacement Surgeons of Indiana Research Foundation, Mooresville, IN, USA
    Surg Technol Int 19:185-90. 2010
    ..This study demonstrates the important role that bearing movement plays in load distribution throughout the tibia after UKA and may illuminate a biomechanical process of tibial remodeling that influences pain and implant loosening...
  40. ncbi request reprint Long-term outcome and risk factors of proximal femoral fracture in uncemented and cemented total hip arthroplasty in 2551 hips
    Michael E Berend
    Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana, USA
    J Arthroplasty 21:53-9. 2006
    ..8% for uncemented stems and 91.7% for cemented stems. In the absence of fracture, stem survivorship was 98.6% for cemented stems and 100% for circumferentially coated tapered titanium uncemented stems...
  41. ncbi request reprint The role of flexion contracture on outcomes in primary total knee arthroplasty
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Mooresville, Indiana 46158, USA
    J Arthroplasty 22:1092-6. 2007
    ..Knee extension deformities play a substantial detrimental role in the functional outcome of primary total knee arthroplasty...
  42. ncbi request reprint Simultaneous bilateral versus unilateral total hip arthroplasty an outcomes analysis
    Michael E Berend
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, IN 46158, USA
    J Arthroplasty 20:421-6. 2005
    ..Simultaneous bilateral total hip arthroplasty has advantages where both hips are symptomatic and has less risk in younger patients with understanding of the increased risk of pulmonary complications...
  43. ncbi request reprint Total knee arthroplasty for isolated patellofemoral arthritis in younger patients
    John B Meding
    The Center for Knee and Hip Surgery, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 464:78-82. 2007
    ..We believe our data should raise doubts about the use of patellofemoral arthroplasty in any patient. LEVEL OF EVIDENCE: Level IV, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence...
  44. doi request reprint Acetabular cup stiffness and implant orientation change acetabular loading patterns
    Scott R Small
    Joint Replacement Surgeons of Indiana Foundation, Inc, Mooresville, Indiana, USA
    J Arthroplasty 28:359-67. 2013
    ..This study illustrates the effects of cup stiffness, gait, and implant orientation on loading distributions across the implanted pelvis...
  45. ncbi request reprint Effects of coronal plane conformity on tibial loading in TKA: a comparison of AGC© flat versus conforming articulations
    Michael E Berend
    Joint Replacement Surgeons of Indiana Research Foundation, Center for Hip and Knee Surgery St Francis Hospital Mooresville, Mooresville, Indiana, USA
    Surg Technol Int 18:207-12. 2009
    ..Lower strains were observed with coronally dished implants in key regions corresponding to the clinical overload of the tibia leading to aseptic loosening...
  46. ncbi request reprint Lateral patellar contact after total knee arthroplasty: an analysis of the effects on postoperative pain and outcome
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Mooresville, IN 46158, USA
    J Arthroplasty 21:1017-20. 2006
    ..7). Total knee arthroplasties without lateral patellar contact had a 1.61 times odds of experiencing postoperative pain compared with those TKAs with lateral patellar contact (P = .0025)...
  47. doi request reprint Twenty-year survivorship of cementless anatomic graduated component total knee arthroplasty
    Merrill A Ritter
    Joint Replacement Surgeons of Indiana Research Foundation, Center for Hip and Knee Surgery, Mooresville, Indiana, USA
    J Arthroplasty 25:507-13. 2010
    ..8% at 20 years. There were no femoral component failures. After eliminating patella failures, this cementless monoblock tibial component without screws demonstrated excellent 20-year survivorship...
  48. ncbi request reprint Extended femoral osteotomy and proximally coated prosthesis for hip revision
    Scott King
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, IN 46158, USA
    Orthopedics 31:67. 2008
    ..These findings indicate excellent short-term clinical and radiographic results can be achieved with an extended trochanteric osteotomy and proximally porous-coated calcar replacement prosthesis...
  49. ncbi request reprint Total knee arthroplasty in patients with angular varus or valgus deformities of > or = 20 degrees
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Indiana, USA
    J Arthroplasty 19:862-6. 2004
    ..Knees that had severe angular deformities performed as well as deformity-free TKAs. Patients with excessive deformity should not be excluded from surgical correction solely based on this deformity...
  50. pmc Predicting patellar failure after total knee arthroplasty
    John B Meding
    The Center for Knee and Hip Surgery, 1199 Hadley Road, Mooresville, IN 46158, USA
    Clin Orthop Relat Res 466:2769-74. 2008
    ..LEVEL OF EVIDENCE: Level IV, prognostic study. See the Guidelines for Authors for a complete description of levels of evidence...
  51. ncbi request reprint Predicting range of motion after total knee arthroplasty. Clustering, log-linear regression, and regression tree analysis
    Merrill A Ritter
    The Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Indiana 46159, USA
    J Bone Joint Surg Am 85:1278-85. 2003
    ..Range of motion is a crucial measure of the outcome of total knee arthroplasty. The purpose of this study was to determine which factors are predictive of the postoperative range of motion...
  52. ncbi request reprint Excisional arthroplasty for patellar loosening in total knee arthroplasty
    Michael E Berend
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, IN 46158, USA
    J Arthroplasty 18:668-71. 2003
    ....
  53. ncbi request reprint A clinical, radiographic, and cost comparison of cerclage techniques: wires vs cables
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Mooresville, IN 46158, USA
    J Arthroplasty 21:1064-7. 2006
    ..The Luque wires, which cost 29.79 US dollars each, performed equally to the cables, which cost 275.40 US dollars each, suggesting that wiring may be the preferred cerclage technique...
  54. doi request reprint High initial stability in porous titanium acetabular cups: a biomechanical study
    Scott R Small
    Joint Replacement Surgeons of Indiana Foundation, Inc, Mooresville, Indiana
    J Arthroplasty 28:510-6. 2013
    ..The results of this study indicate increased interface stability in porous titanium-coated cups without significantly increasing the necessary force and energy required for full seating...
  55. ncbi request reprint One-staged contralateral or ipsilateral total hip and total knee arthroplasty
    Merrill A Ritter
    Center for Hip and Knee Surgery, Mooresville, Indiana, USA
    J Arthroplasty 17:528-32. 2002
    ..There was only 1 death within 3 months of the operation. The severity of these patients' deformity may necessitate these procedures be done at 1 operation with consideration of mortality and morbidity risks...
  56. ncbi request reprint Total knee replacement following extra-articular deformities
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Ind, USA
    Orthopedics 26:969-70. 2003
  57. ncbi request reprint The role of cemented sockets in 2004: is there one?
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana 46158, USA
    J Arthroplasty 19:92-4. 2004
    ..Given the experiential learning curve that most orthopedic surgeons face with cemented fixation of the acetabular cup component, the role of the cemented socket in THA today is limited...
  58. ncbi request reprint Medial screws and cement: a possible mechanical augmentation in total knee arthroplasty
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana, USA
    J Arthroplasty 19:587-9. 2004
    ..No revisions were performed. The placement of screws beneath the medial tibial plateau to fill large defects is an excellent precaution against collapse of the medial tibia...
  59. ncbi request reprint Alternative TKR bearing surfaces: the femur? You have got to be kidding
    Merrill A Ritter
    The Center for Hip, and Knee Surgery, St Francis Hospital, Mooresville, Ind, USA
    Orthopedics 26:967, 980. 2003
  60. ncbi request reprint Postoperative wound infection: 35 years of experience
    Robert A Malinzak
    Center for Hip and Knee Surgery and St Francis Hospital, Mooresville, IN, USA
    Orthopedics 29:797-8. 2006
  61. ncbi request reprint The prescreening history and physical in elective total joint arthroplasty
    John B Meding
    Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana 46158, USA
    J Arthroplasty 22:21-3. 2007
    ..Patients identified with an increased risk of perioperative cardiac problems were those with a preoperative diagnosis of valvular heart disease (P = .0077), congestive heart failure (P = .0093), or diabetes mellitus (P = .0187)...
  62. ncbi request reprint Urban legends of total knee arthroplasty
    Merrill A Ritter
    Center for Hip and Knee Surgery, Mooresville, IN 46158, USA
    Orthopedics 28:995-6. 2005
  63. ncbi request reprint Acetabular options
    Merrill A Ritter
    Center for Hip and Knee Surgery, 1199 Hadley Road, Mooresville, IN 46158, USA
    J Arthroplasty 18:80-1. 2003
    ..Even for experienced surgeons, there is at least a 10% chance of a radiolucent line. Therefore, clinicians should work to develop better bearing surfaces so that cementless technology can be used extensively...
  64. ncbi request reprint A method for improving acetabular preparation during cemented all-polyethylene acetabular component insertion during total hip arthroplasty
    Michael E Berend
    Center for Hip and Knee Surgery, St Francis Hospital Mooresville, Mooresville, Indiana 46158, USA
    J Arthroplasty 17:782-4. 2002
    ....
  65. ncbi request reprint High-flexion knee designs: more hype than hope? In the affirmative
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, IN 46158, USA
    J Arthroplasty 21:40-1. 2006
    ..Cultural effects may play an effect. Until found clinically different, the range of motion after a total knee arthroplasty is dependent primarily upon preoperative range of motion...
  66. ncbi request reprint Total joint replacement in patients with dementia syndromes: a report of thirteen cases
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Indiana, USA
    Orthopedics 27:516-7. 2004
    ..The family of a patient with dementia syndrome must be actively involved in all aspects of care after total joint replacement...
  67. ncbi request reprint Enhanced cross-linked polymers: the promise--in opposition
    Merrill A Ritter
    Center for Hip and Knee Surgery, Mooresville, Ind 46158, USA
    Orthopedics 25:938. 2002
  68. ncbi request reprint Fat embolism in revision total hip arthroplasty
    Merrill A Ritter
    Center for Hip and Knee Surgery, St Francis Hospital, Mooresville, Mooresville, Indiana, USA
    J Arthroplasty 17:1063-5. 2002
    ..In these 2 cases, the rigid fixation and multiple attempts to impact and subsequently to remove the prosthesis may have caused fat embolism syndrome...
  69. ncbi request reprint History of the American Association of Hip and Knee Surgeons upon its 15th anniversary
    Merrill A Ritter
    Center for Hip and Knee Surgery, Mooresville, Indiana, USA
    J Arthroplasty 20:2-5. 2005
  70. ncbi request reprint What would you do? Case challenges in hip surgery
    Daniel J Berry
    Department of Orthopedic Surgery, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    J Arthroplasty 20:98-104. 2005
    ....
  71. ncbi request reprint What would you do? Challenges in hip surgery
    Robert T Trousdale
    Mayo Clinic, Rochester, Minnesota 55905, USA
    J Arthroplasty 22:116-22. 2007
    ..The following are 5 case presentations of interesting and challenging patients with hip pathology...
  72. ncbi request reprint The pros and cons of modularity in total knee replacements
    Michael E Berend
    J Bone Joint Surg Am 84:1480-1; author reply 1481. 2002
  73. ncbi request reprint The effect of total hip arthroplasty surgical approach on gait
    Michael S Madsen
    Department of Kinesiology, HPER Building 112, Indiana University, Bloomington, IN 47405 4801, USA
    J Orthop Res 22:44-50. 2004
    ..While these differences are statistically significant, the clinical significance is unknown and linked to the duration that they persist...
  74. ncbi request reprint Is there a functional benefit to obtaining high flexion after total knee arthroplasty?
    Robert Michael Meneghini
    St Vincent Center for Joint Replacement, Indianapolis, Indiana 46260, USA
    J Arthroplasty 22:43-6. 2007
    ..02). Obtaining flexion greater than 125 degrees after TKA does not offer a benefit in overall knee function. However, obtaining a high degree of flexion appears to optimize stair climbing...
  75. ncbi request reprint The spectrum of prosthesis design for primary total knee arthroplasty
    Michael A Mont
    Center for Joint Preservation and Reconstruction, Rubin Institute for Advanced Orthopaedics, Sinai Hospital, Baltimore, Maryland, USA
    Instr Course Lect 52:397-407. 2003
    ..The historical and current result of using these different types of prostheses are discussed, and the indications, contraindications, and recommendations for each type are delineated...
  76. ncbi request reprint The effect of retropatellar fat pad excision on patellar tendon contracture and functional outcomes after total knee arthroplasty
    Robert Michael Meneghini
    Joint Replacement Surgeons of Indiana Research Foundation USA
    J Arthroplasty 22:47-50. 2007
    ..4599), range of motion (P = .7361), Knee Society Score (P = .7247), or function scores (P = .6786). Patients whose fat pad had been removed were nearly twice as likely to experience postoperative pain (P = .0005)...
  77. ncbi request reprint Ipsilateral stress fracture of the proximal tibia after primary hybrid total hip arthroplasty
    Jeffery L Pierson
    Joint Replacement Surgeons of Indiana, LLC, Indianapolis, IN 46260, USA
    Orthopedics 28:409-10. 2005
  78. pmc Case report: superficial femoral artery injury resulting from cerclage wiring during revision THA
    Thomas Aleto
    Department of Orthopaedics, Missouri Hip and Knee Center, University of Missouri Columbia, Columbia, MO, USA
    Clin Orthop Relat Res 466:749-53. 2008
    ..We review the available literature on vascular injury in hip arthroplasty and illustrate the great care necessary when placing cerclage wires and the importance of prompt recognition of these potentially devastating complications...
  79. ncbi request reprint Mucoraceae infections of antibiotic-loaded cement spacers in the treatment of bacterial infections caused by knee arthroplasty
    Remo Ceffa
    Department of Orthopaedics and Traumatology, Novara Hospital, Novara, Italy
    J Arthroplasty 17:235-8. 2002
    ..Care must be taken between the first and second stage (when the spacer is in place), and attention must be paid to the management of the surgical wound to avoid secondary contamination...
  80. ncbi request reprint Total joint arthroplasty in the extremely elderly: hip and knee arthroplasty after entering the 89th year of life
    Michael E Berend
    St Vincent s Center for Joint Replacement, Joint Replacement Surgeons of Indiana, Indianapolis, Indiana, USA
    J Arthroplasty 18:817-21. 2003
    ..5 years following surgery. With careful patient selection and patient care to minimize medical complications, total joint arthroplasty can be an excellent option for patients who are age 89 and older...
  81. ncbi request reprint The in vitro elution characteristics of vancomycin combined with imipenem-cilastatin in acrylic bone-cements: a pharmacokinetic study
    Daniela Cerretani
    Department of Pharmacology G Segre, University of Siena, Siena, Italy
    J Arthroplasty 17:619-26. 2002
    ..52%, and 50.15%. CMW1 had better elution characteristics than the other cements when treated with vancomycin alone; the elution of Palacos R and Simplex P was better than that of CMW1 when vancomycin was combined with imipenem-cilastatin...