Robert M Kay, MD

Title(s)Professor of Orthopaedic Surgery (Clinical Scholar)
SchoolKeck School of Medicine of Usc
AddressCHL Mail Stop 69
Off Campus
Los Angeles CA 90089
Phone+1 323 361 4658
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    Other Positions
    Title(s)Division Chief of Orthopaedic Surgery at CHLA


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    Dr. Kay received his undergraduate degree from Harvard College and his medical degree from The Johns Hopkins University School of Medicine. He completed his residency in orthopaedic surgery at University of California Los Angeles and a fellowship in pediatric orthopaedics at Atlanta Scottish Rite Childrens Medical Center. Dr. Kay has published over 70 peer-reviewed articles and numerous book chapters and is active in several organizations including the American Academy of Orthopaedic Surgeons, Pediatric Orthopaedic Society of North America, American Academy of Cerebral Palsy and Developmental Medicine and the Gait and Clinical Movement Analysis Society. Dr. Kay has been the director of the Motion Analysis Laboratory since 1997.

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    1. Does Size Really Matter? Incidence of Periprosthetic Fractures After Femoral Osteotomy in Patients With Cerebral Palsy. J Pediatr Orthop. 2024 Mar 20. Wimmer SP, Wren TAL, Rethlefsen SA, Abousamra ON, Kay RM. PMID: 38506352.
      View in: PubMed   Mentions:    Fields:    
    2. Update on the reliability of gait analysis interpretation in cerebral palsy: Inter-institution agreement. Gait Posture. 2024 Mar; 109:109-114. Rethlefsen SA, Hanson A, Ciccodicola E, Hara R, Kay RM, Chambers H, Wren TAL. PMID: 38295485.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    3. Anterior Distal Femoral Hemiepiphysiodesis Does Not Change Pelvic Tilt in Children With Cerebral Palsy. J Pediatr Orthop. 2024 Feb 01; 44(2):76-81. Hanson AM, Wren TAL, Rethlefsen SA, Ciccodicola E, Rubel B, Kay RM. PMID: 37970741.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. Predictors of Changes in Pelvic Rotation after Surgery with or without Femoral Derotational Osteotomy in Ambulatory Children with Cerebral Palsy. Bioengineering (Basel). 2023 Oct 18; 10(10). Hara R, Rethlefsen SA, Wren TAL, Kay RM. PMID: 37892944; PMCID: PMC10604869.
      View in: PubMed   Mentions:
    5. Anterior distal femoral hemiepiphysiodesis in children with cerebral palsy: Establishing surgical indications and techniques using the modified Delphi method and literature review. J Child Orthop. 2023 Jun; 17(3):292-294. Shore BJ, McCarthy J, Shrader MW, Graham K, Veerkamp KM, Rutz E, Chambers H, Davids JR, Narayanan U, Novacheck TF, Pierz K, Dreher T, Rhodes J, Shilt J, Theologis T, Van Campenhout A, Kay RM. PMID: 37288042; PMCID: PMC10242377.
      View in: PubMed   Mentions:
    6. Persistent increase in anterior pelvic tilt after hamstring lengthening in children with cerebral palsy. Gait Posture. 2023 06; 103:184-189. Hanson AM, Wren TAL, Rethlefsen SA, Ciccodicola E, Rubel B, Kay RM. PMID: 37236054.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    7. Gait Analysis Characteristics in Relapsed Clubfoot. J Pediatr Orthop. 2023 Feb 01; 43(2):65-69. Bent M, Hauschild M, Rethlefsen SA, Wren TAL, Liang A, Goldstein RY, Kay RM. PMID: 36607915.
      View in: PubMed   Mentions: 1     Fields:    
    8. Distal femoral extension osteotomy and patellar tendon advancement or shortening in ambulatory children with cerebral palsy: A modified Delphi consensus study and literature review. J Child Orthop. 2022 Dec; 16(6):442-453. Rutz E, Novacheck TF, Dreher T, Davids JR, McCarthy J, Kay RM, Shore BJ, Shrader MW, Veerkamp M, Chambers H, Narayanan U, Pierz K, Rhodes J, Shilt J, Theologis T, Van Campenhout A, Graham K. PMID: 36483640; PMCID: PMC9723875.
      View in: PubMed   Mentions: 2  
    9. Assessment of foot alignment and function for ambulatory children with cerebral palsy: Results of a modified Delphi technique consensus study. J Child Orthop. 2022 Apr; 16(2):111-120. Davids JR, Shilt J, Kay R, Dreher T, Shore BJ, McCarthy J, Shrader W, Graham K, Veerkamp M, Narayanan U, Chambers H, Novacheck T, Rhodes J, Van Campenhout A, Pierz K, Theologis T, Rutz E. PMID: 35620124; PMCID: PMC9127886.
      View in: PubMed   Mentions:
    10. Finding consensus for hamstring surgery in ambulatory children with cerebral palsy using the Delphi method. J Child Orthop. 2022 Feb; 16(1):55-64. Kay RM, McCarthy J, Narayanan U, Rhodes J, Rutz E, Shilt J, Shore BJ, Veerkamp M, Shrader MW, Theologis T, Van Campenhout A, Pierz K, Chambers H, Davids JR, Dreher T, Novacheck TF, Graham K. PMID: 35615393; PMCID: PMC9124912.
      View in: PubMed   Mentions:
    11. Anterior distal femoral hemiepiphysiodesis in children with cerebral palsy: Establishing surgical indications and techniques using the modified Delphi method and literature review. J Child Orthop. 2022 Feb; 16(1):65-74. Shore BJ, McCarthy J, Shrader MW, Graham HK, Veerkamp M, Rutz E, Chambers H, Davids JR, Narayanan U, Novacheck TF, Pierz K, Dreher T, Rhodes J, Shilt J, Theologis T, Van Campenhout A, Kay RM. PMID: 35615394; PMCID: PMC9124914.
      View in: PubMed   Mentions: 2  
    12. Variation in Functional Mobility Within Gross Motor Function Classification System Levels. J Pediatr Orthop. 2022 Apr 01; 42(4):209-214. Rethlefsen SA, Hanson AM, Ciccodicola E, Wren TAL, Kay RM. PMID: 35089878.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    13. Tranexamic acid use decreases transfusion rate in children with cerebral palsy undergoing proximal femoral varus derotational osteotomy. Medicine (Baltimore). 2022 Jan 14; 101(2):e28506. Compton E, Goldstein RY, Nazareth A, Shymon SJ, Andras L, Kay RM. PMID: 35029205; PMCID: PMC8757939.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    14. Pre-operative nutrition assessments do not improve outcomes in cerebral palsy patients undergoing varus derotational osteotomy. Medicine (Baltimore). 2021 Nov 24; 100(47):e27776. Obana KK, Fan BB, Bennett JT, Lin A, Goldstein RY, Andras LM, Kay RM. PMID: 34964739; PMCID: PMC8615376.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    15. Calcaneal Sliding Osteotomy Versus Calcaneal Lengthening Osteotomy for Valgus Foot Deformity Correction in Children With Cerebral Palsy. J Pediatr Orthop. 2021 Jul 01; 41(6):e433-e438. Rethlefsen SA, Hanson AM, Wren TAL, Kay RM, Children’s Orthopaedic Center, Children’s Hospital Los Angeles. PMID: 33734201.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    16. Distal rectus femoris surgery in children with cerebral palsy: results of a Delphi consensus project. J Child Orthop. 2021 Jun 01; 15(3):270-278. Kay RM, Pierz K, McCarthy J, Graham HK, Chambers H, Davids JR, Narayanan U, Novacheck TF, Rhodes J, Rutz E, Shilt J, Shore BJ, Veerkamp M, Shrader MW, Theologis T, Van Campenhout A, Dreher T. PMID: 34211604; PMCID: PMC8223080.
      View in: PubMed   Mentions: 2  
    17. Quantitative Computed Tomography Assessment of Bone Deficits in Ambulatory Children and Adolescents with Spina Bifida: Importance of Puberty. JBMR Plus. 2020 Dec; 4(12):e10427. Wren TA, Mueske NM, Rethlefsen SA, Kay RM, Van Speybroeck A, Mack WJ. PMID: 33354646; PMCID: PMC7745879.
      View in: PubMed   Mentions: 1  
    18. Anterior distal femoral hemiepiphysiodesis with and without patellar tendon shortening for fixed knee flexion contractures in children with cerebral palsy. J Child Orthop. 2020 Oct 01; 14(5):415-420. Rethlefsen SA, Hanson AM, Wren TAL, Abousamra O, Kay RM. PMID: 33204349; PMCID: PMC7666790.
      View in: PubMed   Mentions: 4  
    19. Indications for gastrocsoleus lengthening in ambulatory children with cerebral palsy: a Delphi consensus study. J Child Orthop. 2020 Oct 01; 14(5):405-414. Rutz E, McCarthy J, Shore BJ, Shrader MW, Veerkamp M, Chambers H, Davids JR, Kay RM, Narayanan U, Novacheck TF, Pierz K, Rhodes J, Shilt J, Theologis T, Van Campenhout A, Dreher T, Graham K. PMID: 33204348; PMCID: PMC7666804.
      View in: PubMed   Mentions: 9  
    20. Hip Dysplasia Is Not More Common in W-Sitters. Clin Pediatr (Phila). 2020 10; 59(12):1074-1079. Rethlefsen SA, Mueske NM, Nazareth A, Abousamra O, Wren TAL, Kay RM, Goldstein RY. PMID: 32659120.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    21. Pre-operative methicillin resistant Staphylococcus aureus results do not predict surgical site infections in children undergoing varus derotational osteotomy. Medicine (Baltimore). 2020 Jun 26; 99(26):e20517. Nazareth A, Bains SS, Andras LM, Goldstein RY, Kay RM. PMID: 32590733; PMCID: PMC7329002.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    22. Response to comment on Siddiqui et al: 'Femoral shaft fractures in children with non-ambulatory neuromuscular disorders can be effectively treated using flexible intramedullary nails'. J Child Orthop. 2020 Jun 01; 14(3):243-244. Illingworth KD, Siddiqui AA, Abousamra O, Meisel EM, Kay RM. PMID: 32582394; PMCID: PMC7302417.
      View in: PubMed   Mentions:
    23. Split Tibialis Anterior Tendon Transfer to The Peroneus Brevis or Tertius for the Treatment of Varus Foot Deformities in Children with Static Encephalopathy: A retrospective case series. J Am Acad Orthop Surg Glob Res Rev. 2020 05; 4(5):e2000044. Lullo B, Nazareth A, Rethlefsen S, Illingworth KD, Abousamra O, Kay RM. PMID: 33970577; PMCID: PMC7434038.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    24. Femoral shaft fractures in children with non-ambulatory neuromuscular disorders can be effectively treated using flexible intramedullary nails. J Child Orthop. 2020 Apr 01; 14(2):132-138. Siddiqui AA, Illingworth KD, Abousamra OA, Meisel EM, Kay RM. PMID: 32351626; PMCID: PMC7184642.
      View in: PubMed   Mentions: 3  
    25. Establishing surgical indications for hamstring lengthening and femoral derotational osteotomy in ambulatory children with cerebral palsy. J Child Orthop. 2020 Feb 01; 14(1):50-57. McCarthy J, Wade Shrader M, Graham K, Veerkamp M, Brower L, Chambers H, Davids JR, Kay RM, Narayanan U, Novacheck TF, Pierz K, Rhodes J, Rutz E, Shilt J, Shore BJ, Theologis T, Van Campenhout A. PMID: 32165981; PMCID: PMC7043128.
      View in: PubMed   Mentions: 8  
    26. Comparison of plate and screw constructs versus screws only for anterior distal femoral hemiepiphysiodesis in children. J Pediatr Orthop B. 2020 Jan; 29(1):53-61. Nazareth A, Gyorfi MJ, Rethlefsen SA, Wiseley B, Noonan K, Kay RM. PMID: 31361704.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    27. Fever after varus derotational osteotomy is common, but not a risk factor for infection. Medicine (Baltimore). 2020 Jan; 99(1):e18613. Obana KK, Lin AJ, Yang J, Ryan DD, Goldstein RY, Kay RM. PMID: 31895814; PMCID: PMC6946189.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    28. Causes of out-toeing gait in children with cerebral palsy. Gait Posture. 2020 02; 76:141-145. Cao LA, Rethlefsen SA, Wren TAL, Kay RM. PMID: 31855804.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    29. Rectus Femoris Transfer Surgery Worsens Crouch Gait in Children With Cerebral Palsy at GMFCS Levels III and IV. J Pediatr Orthop. 2019 Oct; 39(9):466-471. Sousa TC, Nazareth A, Rethlefsen SA, Mueske NM, Wren TAL, Kay RM. PMID: 31503234.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    30. Effect of Early Weightbearing Following Open Reduction and Internal Fixation of Unstable Ankle Fractures on Wound Complications or Failures of Fixation. Foot Ankle Int. 2019 Dec; 40(12):1397-1402. Pyle C, Kim-Orden M, Hughes T, Schneiderman B, Kay R, Harris T. PMID: 31390892.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    31. Percutaneous Hamstring Lengthening Surgery is as Effective as Open Lengthening in Children With Cerebral Palsy. J Pediatr Orthop. 2019 Aug; 39(7):366-371. Nazareth A, Rethlefsen S, Sousa TC, Mueske NM, Wren TAL, Kay RM. PMID: 31305380.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    32. Synovial fluid cell counts and its role in the diagnosis of paediatric septic arthritis. J Child Orthop. 2019 Aug 01; 13(4):417-422. Obana KK, Murgai RR, Schur M, Broom AM, Hsu A, Kay RM, Pace JL. PMID: 31489049; PMCID: PMC6701437.
      View in: PubMed   Mentions: 4  
    33. Outcomes of salvage hip surgery in children with cerebral palsy. J Pediatr Orthop B. 2019 Jul; 28(4):314-319. Chan P, Hsu A, Godfrey J, Silva SS, Goldstein RY, Ryan D, Choi PD, Kay RM. PMID: 30325788.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    34. The Incidence of Pin Tract Infections and Septic Arthritis in Percutaneous Distal Femur Pinning. J Pediatr Orthop. 2019 Jul; 39(6):e462-e466. Murgai RR, Compton E, Illingworth KD, Kay RM. PMID: 30762618.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    35. Impact of tranexamic acid use on blood loss and transfusion rates following femoral varus derotational osteotomy in children with cerebral palsy. J Child Orthop. 2019 Apr 01; 13(2):190-195. Nazareth A, Shymon SJ, Andras L, Goldstein RY, Kay RM. PMID: 30996744; PMCID: PMC6442504.
      View in: PubMed   Mentions: 6  
    36. Pre-operative hamstring length and velocity do not explain the reduced effectiveness of repeat hamstring lengthening in children with cerebral palsy and crouch gait. Gait Posture. 2019 02; 68:323-328. Osborne M, Mueske NM, Rethlefsen SA, Kay RM, Wren TAL. PMID: 30572181; PMCID: PMC6370486.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    37. Foam Padding in Postoperative Lower Extremity Casting: An Inexpensive Way to Protect Patients. J Pediatr Orthop. 2018 Sep; 38(8):e470-e474. Murgai RR, Compton E, Patel AR, Ryan D, Kay RM. PMID: 29927792.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    38. Reliability of patellar height indices in children with cerebral palsy and spina bifida. J Child Orthop. 2017 Aug 01; 11(4):249-255. Rethlefsen SA, Barrett KK, Wren TAL, Blumstein G, Gargiulo D, Ryan DD, Kay RM. PMID: 28904629; PMCID: PMC5584492.
      View in: PubMed   Mentions: 1  
    39. Prevalence of specific gait abnormalities in children with cerebral palsy revisited: influence of age, prior surgery, and Gross Motor Function Classification System level. Dev Med Child Neurol. 2017 01; 59(1):79-88. Rethlefsen SA, Blumstein G, Kay RM, Dorey F, Wren TA. PMID: 27421715.
      View in: PubMed   Mentions: 34     Fields:    Translation:Humans
    40. Accessory Navicular is Associated With Wider and More Prominent Navicular Bone in Pediatric Patients by Radiographic Measurement. J Pediatr Orthop. 2016 Jul-Aug; 36(5):521-5. Seehausen DA, Harris LR, Kay RM, Pace JL. PMID: 25887831.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    41. Variability of the Anterior Humeral Line in Normal Pediatric Elbows. J Pediatr Orthop. 2016 Mar; 36(2):e14-6. Ryan DD, Lightdale-Miric NR, Joiner ER, Wren TA, Spragg L, Heffernan MJ, Kay RM, Skaggs DL. PMID: 26035494.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    42. Anterior Percutaneous Hemiepiphysiodesis of the Distal Aspect of the Femur: A New Technique: A Case Report. JBJS Case Connect. 2015 Oct-Dec; 5(4):e95. Kay RM, Rethlefsen SA. PMID: 29252801.
      View in: PubMed   Mentions: 3     Fields:    
    43. Knee Pain and Patellofemoral Symptoms in Patients With Cerebral Palsy. J Pediatr Orthop. 2015 Jul-Aug; 35(5):519-22. Rethlefsen SA, Nguyen DT, Wren TA, Milewski MD, Kay RM. PMID: 25171680.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    44. Long-term ambulatory change after lower extremity orthopaedic surgery in children with cerebral palsy: a retrospective review. J Pediatr Orthop. 2015 Apr-May; 35(3):285-9. Yu S, Rethlefsen SA, Wren TA, Kay RM. PMID: 24978124.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    45. Foam padding in casts accommodates soft tissue swelling and provides circumferential strength after fixation of supracondylar humerus fractures. J Pediatr Orthop. 2015 Jan; 35(1):24-7. Seehausen DA, Kay RM, Ryan DD, Skaggs DL. PMID: 25489945.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    46. A line drawn along the radial shaft misses the capitellum in 16% of radiographs of normal elbows. J Pediatr Orthop. 2014 Dec; 34(8):763-7. Ramirez RN, Ryan DD, Williams J, Wren TA, Ibrahim D, Weiss JM, Kay RM, Lightdale-Miric N, Skaggs DL. PMID: 24787305.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    47. Silent compartment syndrome in children: a report of five cases. J Pediatr Orthop B. 2014 Sep; 23(5):467-71. Lee C, Lightdale-Miric N, Chang E, Kay R. PMID: 24921836.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    48. Heterotopic Ossification Excision Improves Kinetic and Kinematic Gait Parameters as Demonstrated by Computerized Motion Analysis: A Case Report. JBJS Case Connect. 2013 Nov 13; 3(4 Suppl 3):e109. Arkader A, Rethlefsen SA, Kay RM. PMID: 29252272.
      View in: PubMed   Mentions:    Fields:    
    49. Heterotopic Ossification Excision Improves Kinetic and Kinematic Gait Parameters as Demonstrated by Computerized Motion Analysis: A Case Report. JBJS Case Connect. 2013 Oct 23; 3(4 Suppl 2):e1051-7. Arkader A, Rethlefsen SA, Kay RM. PMID: 29252260.
      View in: PubMed   Mentions: 1     Fields:    
    50. Repeat hamstring lengthening for crouch gait in children with cerebral palsy. J Pediatr Orthop. 2013 Jul-Aug; 33(5):501-4. Rethlefsen SA, Yasmeh S, Wren TA, Kay RM. PMID: 23752146.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    51. Impact of gait analysis on correction of excessive hip internal rotation in ambulatory children with cerebral palsy: a randomized controlled trial. Dev Med Child Neurol. 2013 Oct; 55(10):919-25. Wren TA, Lening C, Rethlefsen SA, Kay RM. PMID: 23738949.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    52. Transverse plane gait problems in children with cerebral palsy. J Pediatr Orthop. 2013 Jun; 33(4):422-30. Rethlefsen SA, Kay RM. PMID: 23653033.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    53. Assessment of human exposures to animal vaccines using poison control records, 2000-2009. Zoonoses Public Health. 2014 May; 61(3):175-80. Edison L, Schulte J, Schauben J, Kay R, Rubin C. PMID: 23551869.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansAnimalsPHPublic Health
    54. Outcomes of lower extremity orthopedic surgery in ambulatory children with cerebral palsy with and without gait analysis: results of a randomized controlled trial. Gait Posture. 2013 Jun; 38(2):236-41. Wren TA, Otsuka NY, Bowen RE, Scaduto AA, Chan LS, Dennis SW, Rethlefsen SA, Healy BS, Hara R, Sheng M, Kay RM. PMID: 23219787.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    55. Differences in implementation of gait analysis recommendations based on affiliation with a gait laboratory. Gait Posture. 2013 Feb; 37(2):206-9. Wren TA, Elihu KJ, Mansour S, Rethlefsen SA, Ryan DD, Smith ML, Kay RM. PMID: 22871237.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    56. Surgical management of hip subluxation and dislocation in children with cerebral palsy: isolated VDRO or combined surgery? J Pediatr Orthop. 2011 Dec; 31(8):858-63. Huh K, Rethlefsen SA, Wren TA, Kay RM. PMID: 22101664.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    57. Perioperative ketorolac use in children undergoing lower extremity osteotomies. J Pediatr Orthop. 2011 Oct-Nov; 31(7):783-6. Kay RM, Leathers M, Directo MP, Myung K, Skaggs DL. PMID: 21926877.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    58. Orthopedic surgeons are less likely to see children now for fracture care compared with 10 years ago. J Pediatr. 2012 Mar; 160(3):505-7. Sabatini CS, Skaggs KF, Kay RM, Skaggs DL. PMID: 21920543.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    59. Cerebral palsy: clinical care and neurological rehabilitation. Lancet Neurol. 2011 Sep; 10(9):844-52. Aisen ML, Kerkovich D, Mast J, Mulroy S, Wren TA, Kay RM, Rethlefsen SA. PMID: 21849165.
      View in: PubMed   Mentions: 108     Fields:    Translation:Humans
    60. Influence of gait analysis on decision-making for lower extremity orthopaedic surgery: Baseline data from a randomized controlled trial. Gait Posture. 2011 Jul; 34(3):364-9. Wren TA, Otsuka NY, Bowen RE, Scaduto AA, Chan LS, Sheng M, Hara R, Kay RM. PMID: 21723131.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    61. A new surgical technique for the treatment of supracondylar humerus fracture malunions in children. J Child Orthop. 2011 Aug; 5(4):305-12. Skaggs DL, Glassman D, Weiss JM, Kay RM. PMID: 22852037; PMCID: PMC3234893.
      View in: PubMed   Mentions: 7  
    62. Orthopaedic issues in children and adolescents with central nervous system tumors. J Pediatr Rehabil Med. 2011; 4(1):71-8. Ryan DD, Kay RM. PMID: 21757812.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    63. Bone density and size in ambulatory children with cerebral palsy. Dev Med Child Neurol. 2011 Feb; 53(2):137-41. Al Wren T, Lee DC, Kay RM, Dorey FJ, Gilsanz V. PMID: 21166671; PMCID: PMC3064513.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    64. Complications of ketorolac use in children undergoing operative fracture care. J Pediatr Orthop. 2010 Oct-Nov; 30(7):655-8. Kay RM, Directo MP, Leathers M, Myung K, Skaggs DL. PMID: 20864848.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    65. Effect of high-frequency, low-magnitude vibration on bone and muscle in children with cerebral palsy. J Pediatr Orthop. 2010 Oct-Nov; 30(7):732-8. Wren TA, Lee DC, Hara R, Rethlefsen SA, Kay RM, Dorey FJ, Gilsanz V. PMID: 20864862; PMCID: PMC2946103.
      View in: PubMed   Mentions: 28     Fields:    Translation:Humans
    66. Classification systems in cerebral palsy. Orthop Clin North Am. 2010 Oct; 41(4):457-67. Rethlefsen SA, Ryan DD, Kay RM. PMID: 20868878.
      View in: PubMed   Mentions: 19     Fields:    Translation:Humans
    67. Excessive hip flexion during gait in patients with static encephalopathy: an examination of contributing factors. J Pediatr Orthop. 2010 Sep; 30(6):562-7. Rethlefsen SA, Lening C, Wren TA, Kay RM. PMID: 20733421.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    68. Achilles tendon length and medial gastrocnemius architecture in children with cerebral palsy and equinus gait. J Pediatr Orthop. 2010 Jul-Aug; 30(5):479-84. Wren TA, Cheatwood AP, Rethlefsen SA, Hara R, Perez FJ, Kay RM. PMID: 20574267.
      View in: PubMed   Mentions: 36     Fields:    Translation:Humans
    69. Development of calcaneal gait without prior triceps surae lengthening: an examination of predictive factors. J Pediatr Orthop. 2010 Apr-May; 30(3):240-3. Huh K, Rethlefsen SA, Wren TA, Kay RM. PMID: 20357589.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    70. Static and dynamic gait parameters before and after multilevel soft tissue surgery in ambulating children with cerebral palsy. J Pediatr Orthop. 2010 Mar; 30(2):174-9. Bernthal NM, Gamradt SC, Kay RM, Wren TA, Cuomo AV, Reid J, Bales J, Otsuka NY. PMID: 20179566.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    71. Distal humerus osteotomy for supracondylar fracture malunion in children: a study of perioperative complications. Am J Orthop (Belle Mead NJ). 2010 Jan; 39(1):22-5. Weiss JM, Kay RM, Waters P, Yang S, Skaggs DL. PMID: 20305836.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    72. Osteoporosis management: a perspective based on bisphosphonate data from randomised clinical trials and observational databases. Int J Clin Pract. 2009 Dec; 63(12):1792-804. Boonen S, Kay R, Cooper C, Haentjens P, Vanderschueren D, Callewaert F, Milisen K, Ferrari S. PMID: 19845802.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    73. The Dega osteotomy: a versatile osteotomy in the treatment of developmental and neuromuscular hip pathology. J Pediatr Orthop. 2009 Oct-Nov; 29(7):676-82. Karlen JW, Skaggs DL, Ramachandran M, Kay RM. PMID: 20104144.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    74. Effects of preoperative gait analysis on costs and amount of surgery. J Pediatr Orthop. 2009 Sep; 29(6):558-63. Wren TA, Kalisvaart MM, Ghatan CE, Rethlefsen SA, Hara R, Sheng M, Chan LS, Kay RM. PMID: 19700983.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    75. A new classification system predictive of complications in surgically treated pediatric humeral lateral condyle fractures. J Pediatr Orthop. 2009 Sep; 29(6):602-5. Weiss JM, Graves S, Yang S, Mendelsohn E, Kay RM, Skaggs DL. PMID: 19700990.
      View in: PubMed   Mentions: 31     Fields:    Translation:Humans
    76. Malignant peripheral nerve sheath tumor of the lumbar spine. Am J Orthop (Belle Mead NJ). 2009 May; 38(5):E89-92. Ogawa BK, Skaggs DL, Kay RM. PMID: 19585001.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    77. Predictors of outcome of distal rectus femoris transfer surgery in ambulatory children with cerebral palsy. J Pediatr Orthop B. 2009 Mar; 18(2):58-62. Rethlefsen SA, Kam G, Wren TA, Kay RM. PMID: 19282786.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    78. The recurrent clubfoot: can gait analysis help us make better preoperative decisions? Clin Orthop Relat Res. 2009 May; 467(5):1214-22. Sankar WN, Rethlefsen SA, Weiss J, Kay RM. PMID: 19093158; PMCID: PMC2664418.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    79. Complications with flexible nailing of femur fractures more than double with child obesity and weight >50 kg. J Child Orthop. 2009 Feb; 3(1):53-8. Weiss JM, Choi P, Ghatan C, Skaggs DL, Kay RM. PMID: 19308613; PMCID: PMC2656847.
      View in: PubMed   Mentions: 15  
    80. Delaying treatment of supracondylar fractures in children: has the pendulum swung too far? J Bone Joint Surg Br. 2008 Sep; 90(9):1228-33. Ramachandran M, Skaggs DL, Crawford HA, Eastwood DM, Lalonde FD, Vitale MG, Do TT, Kay RM. PMID: 18757965.
      View in: PubMed   Mentions: 23     Fields:    Translation:Humans
    81. Timing of the presentation of urethrocutaneous fistulas after hypospadias repair in pediatric patients. J Urol. 2008 Oct; 180(4 Suppl):1753-6. Wood HM, Kay R, Angermeier KW, Ross JH. PMID: 18721981.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    82. Incidence of occult fracture in children with acute ankle injuries. J Pediatr Orthop. 2008 Jul-Aug; 28(5):500-1. Sankar WN, Chen J, Kay RM, Skaggs DL. PMID: 18580361.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    83. "Kinematic and kinetic evaluation of the ankle joint before and after tendo Achilles lengthening in patients with spastic diplegia". J Pediatr Orthop. 2008 Apr-May; 28(3):392. Rethlefsen SA, Kay RM. PMID: 18362810.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    84. Concurrent and discriminant validity of Spanish language instruments for measuring functional health status. J Pediatr Orthop. 2008 Mar; 28(2):199-212. Wren TA, Sheng M, Bowen RE, Scaduto AA, Kay RM, Otsuka NY, Hara R, Chan LS. PMID: 18388716.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    85. How safe is the operative treatment of Gartland type 2 supracondylar humerus fractures in children? J Pediatr Orthop. 2008 Mar; 28(2):139-41. Skaggs DL, Sankar WN, Albrektson J, Vaishnav S, Choi PD, Kay RM. PMID: 18388704.
      View in: PubMed   Mentions: 24     Fields:    Translation:Humans
    86. Abduction pillow immobilization following hip surgery: a welcome alternative for selected patients. J Child Orthop. 2007 Nov; 1(5):299-305. Albrektson J, Kay RM, Tolo VT, Skaggs DL. PMID: 19308524; PMCID: PMC2656736.
      View in: PubMed   Mentions: 6  
    87. Gillette Gait Index as a gait analysis summary measure: comparison with qualitative visual assessments of overall gait. J Pediatr Orthop. 2007 Oct-Nov; 27(7):765-8. Wren TA, Do KP, Hara R, Dorey FJ, Kay RM, Otsuka NY. PMID: 17878782.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    88. Compartment syndrome of the thigh in an infant: a case report. J Orthop Trauma. 2007 Sep; 21(8):587-90. Choi PD, Rose RK, Kay RM, Skaggs DL. PMID: 17805028.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    89. Complete division of the radial nerve associated with a closed fracture of the humeral shaft in a child. J Bone Joint Surg Br. 2007 Jun; 89(6):821-4. Ogawa BK, Kay RM, Choi PD, Stevanovic MV. PMID: 17613512.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    90. Agreement among three instruments for measuring functional health status and quality of life in pediatric orthopaedics. J Pediatr Orthop. 2007 Mar; 27(2):233-40. Wren TA, Sheng M, Hara R, Otsuka NY, Bowen RE, Scaduto AA, Kay RM, Chan LS. PMID: 17314653.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    91. Treatment of hip dislocation in Kabuki syndrome: a report of three hips in two patients. J Pediatr Orthop. 2007 Jan-Feb; 27(1):37-40. Ramachandran M, Kay RM, Skaggs DL. PMID: 17195795.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    92. Insurance status and delay in orthotic treatment in children. J Pediatr Orthop. 2007 Jan-Feb; 27(1):94-7. Skaggs DL, Oda JE, Lerman L, McGoldrick E, Rice C, Weiss J, Kay RM. PMID: 17195805.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    93. Causes of intoeing gait in children with cerebral palsy. J Bone Joint Surg Am. 2006 Oct; 88(10):2175-80. Rethlefsen SA, Healy BS, Wren TA, Skaggs DL, Kay RM. PMID: 17015594.
      View in: PubMed   Mentions: 16     Fields:    Translation:Humans
    94. The contributions of anterior and posterior tibialis dysfunction to varus foot deformity in patients with cerebral palsy. J Bone Joint Surg Am. 2006 Aug; 88(8):1764-8. Michlitsch MG, Rethlefsen SA, Kay RM. PMID: 16882899.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    95. Use of flexible intramedullary nails in pediatric femur fractures. J Pediatr Orthop. 2006 Jul-Aug; 26(4):497-504. Ho CA, Skaggs DL, Tang CW, Kay RM. PMID: 16791069.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    96. Back pain and backpacks in school children. J Pediatr Orthop. 2006 May-Jun; 26(3):358-63. Skaggs DL, Early SD, D'Ambra P, Tolo VT, Kay RM. PMID: 16670549.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    97. Access to orthopaedic care for children with medicaid versus private insurance: results of a national survey. J Pediatr Orthop. 2006 May-Jun; 26(3):400-4. Skaggs DL, Lehmann CL, Rice C, Killelea BK, Bauer RM, Kay RM, Vitale MG. PMID: 16670556.
      View in: PubMed   Mentions: 49     Fields:    Translation:Humans
    98. Treatment of multidirectionally unstable supracondylar humeral fractures in children. A modified Gartland type-IV fracture. J Bone Joint Surg Am. 2006 May; 88(5):980-5. Leitch KK, Kay RM, Femino JD, Tolo VT, Storer SK, Skaggs DL. PMID: 16651572.
      View in: PubMed   Mentions: 62     Fields:    Translation:Humans
    99. Pediatric polytrauma management. J Pediatr Orthop. 2006 Mar-Apr; 26(2):268-77. Kay RM, Skaggs DL. PMID: 16557148.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    100. Open fractures in children. Principles of evaluation and management. J Bone Joint Surg Am. 2005 Dec; 87(12):2784-2798. Stewart DG, Kay RM, Skaggs DL. PMID: 16322632.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    101. Reliability and validity of visual assessments of gait using a modified physician rating scale for crouch and foot contact. J Pediatr Orthop. 2005 Sep-Oct; 25(5):646-50. Wren TA, Rethlefsen SA, Healy BS, Do KP, Dennis SW, Kay RM. PMID: 16199948.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    102. How closely do surgeons follow gait analysis recommendations and why? J Pediatr Orthop B. 2005 May; 14(3):202-5. Wren TA, Woolf K, Kay RM. PMID: 15812293.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    103. Prevalence of specific gait abnormalities in children with cerebral palsy: influence of cerebral palsy subtype, age, and previous surgery. J Pediatr Orthop. 2005 Jan-Feb; 25(1):79-83. Wren TA, Rethlefsen S, Kay RM. PMID: 15614065.
      View in: PubMed   Mentions: 108     Fields:    Translation:Humans
    104. Results of tibial rotational osteotomy without concomitant fibular osteotomy in children with cerebral palsy. J Pediatr Orthop. 2005 Jan-Feb; 25(1):84-8. Ryan DD, Rethlefsen SA, Skaggs DL, Kay RM. PMID: 15614066.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    105. The effect of surgical delay on acute infection following 554 open fractures in children. J Bone Joint Surg Am. 2005 Jan; 87(1):8-12. Skaggs DL, Friend L, Alman B, Chambers HG, Schmitz M, Leake B, Kay RM, Flynn JM. PMID: 15634809.
      View in: PubMed   Mentions: 31     Fields:    Translation:Humans
    106. Botulinum toxin as an adjunct to serial casting treatment in children with cerebral palsy. J Bone Joint Surg Am. 2004 Nov; 86(11):2377-84. Kay RM, Rethlefsen SA, Fern-Buneo A, Wren TA, Skaggs DL. PMID: 15523006.
      View in: PubMed   Mentions: 20     Fields:    Translation:HumansCTClinical Trials
    107. Gastrocnemius and soleus lengths in cerebral palsy equinus gait--differences between children with and without static contracture and effects of gastrocnemius recession. J Biomech. 2004 Sep; 37(9):1321-7. Wren TA, Do KP, Kay RM. PMID: 15275839.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansCTClinical Trials
    108. Effect of surgical delay on perioperative complications and need for open reduction in supracondylar humerus fractures in children. J Pediatr Orthop. 2004 May-Jun; 24(3):245-8. Gupta N, Kay RM, Leitch K, Femino JD, Tolo VT, Skaggs DL. PMID: 15105716.
      View in: PubMed   Mentions: 39     Fields:    Translation:Humans
    109. Changes in pelvic rotation after soft tissue and bony surgery in ambulatory children with cerebral palsy. J Pediatr Orthop. 2004 May-Jun; 24(3):278-82. Kay RM, Rethlefsen S, Reed M, Do KP, Skaggs DL, Wren TA. PMID: 15105723.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    110. Lateral-entry pin fixation in the management of supracondylar fractures in children. J Bone Joint Surg Am. 2004 Apr; 86(4):702-7. Skaggs DL, Cluck MW, Mostofi A, Flynn JM, Kay RM. PMID: 15069133.
      View in: PubMed   Mentions: 57     Fields:    Translation:Humans
    111. Outcome of gastrocnemius recession and tendo-achilles lengthening in ambulatory children with cerebral palsy. J Pediatr Orthop B. 2004 Mar; 13(2):92-8. Kay RM, Rethlefsen SA, Ryan JA, Wren TA. PMID: 15076586.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    112. Predictive value of the Duncan-Ely test in distal rectus femoris transfer. J Pediatr Orthop. 2004 Jan-Feb; 24(1):59-62. Kay RM, Rethlefsen SA, Kelly JP, Wren TA. PMID: 14676535.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    113. Late extensor pollicis longus rupture following displaced distal radius and ulna fractures in a child. J Orthop Trauma. 2004 Jan; 18(1):53-6. Kay RM, Khounganian GS, Stevanovic M. PMID: 14676559.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    114. Childhood diskitis. J Am Acad Orthop Surg. 2003 Nov-Dec; 11(6):413-20. Early SD, Kay RM, Tolo VT. PMID: 14686826.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    115. Delayed neurologic injury due to bone graft migration into the spinal canal following scoliosis surgery. Orthopedics. 2003 May; 26(5):515-6. Early SD, Kay RM, Maguire MF, Skaggs DL. PMID: 12755218.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    116. Comparison of proximal and distal rotational femoral osteotomy in children with cerebral palsy. J Pediatr Orthop. 2003 Mar-Apr; 23(2):150-4. Kay RM, Rethlefsen SA, Hale JM, Skaggs DL, Tolo VT. PMID: 12604941.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    117. The surgical management of pediatric fractures of the lower extremity. Instr Course Lect. 2003; 52:647-59. Flynn JM, Skaggs DL, Sponseller PD, Ganley TJ, Kay RM, Leitch KK. PMID: 12690889.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    118. Quality of evaluation and management of children requiring timely orthopaedic surgery before admission to a tertiary pediatric facility. J Pediatr Orthop. 2002 Mar-Apr; 22(2):265-7. Skaggs DL, Roy AK, Vitale MG, Pfiefer C, Baird G, Femino D, Kay RM. PMID: 11856944.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    119. Outcome of medial versus combined medial and lateral hamstring lengthening surgery in cerebral palsy. J Pediatr Orthop. 2002 Mar-Apr; 22(2):169-72. Kay RM, Rethlefsen SA, Skaggs D, Leet A. PMID: 11856923.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    120. Growth arrest of the distal radius following a metaphyseal fracture: case report and review of the literature. J Pediatr Orthop B. 2002 Jan; 11(1):89-92. Tang CW, Kay RM, Skaggs DL. PMID: 11866089.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    121. Bilateral hip dislocations in a father and son with Ehlers-Danlos syndrome. Orthopedics. 2001 Dec; 24(12):1165-6. Kay RM, Skaggs DL. PMID: 11770096.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    122. Prediction of postoperative gait velocity in cerebral palsy. J Pediatr Orthop B. 2001 Oct; 10(4):275-8. Kay RM, Rethlefsen SA, Dennis SW, Skaggs DL. PMID: 11727368.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    123. Elbow aspiration and arthrogram: an alternative method. Am J Orthop (Belle Mead NJ). 2001 Mar; 30(3):256. Tang CW, Skaggs DL, Kay RM. PMID: 11300137.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    124. Variability in gait analysis interpretation. J Pediatr Orthop. 2000 Nov-Dec; 20(6):759-64. Skaggs DL, Rethlefsen SA, Kay RM, Dennis SW, Reynolds RA, Tolo VT. PMID: 11097250.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    125. The effect of femoral rotation on the projected femoral neck-shaft angle. J Pediatr Orthop. 2000 Nov-Dec; 20(6):736-9. Kay RM, Jaki KA, Skaggs DL. PMID: 11097245.
      View in: PubMed   Mentions: 29     Fields:    Translation:Humans
    126. Complications of posterior iliac crest bone grafting in spine surgery in children. Spine (Phila Pa 1976). 2000 Sep 15; 25(18):2400-2. Skaggs DL, Samuelson MA, Hale JM, Kay RM, Tolo VT. PMID: 10984795.
      View in: PubMed   Mentions: 28     Fields:    Translation:Humans
    127. Penile adhesions after neonatal circumcision. J Urol. 2000 Aug; 164(2):495-6. Ponsky LE, Ross JH, Knipper N, Kay R. PMID: 10893633.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    128. Ischaemic myelopathy presenting as Guillain-Barré syndrome. Int J Clin Pract. 2000 Jun; 54(5):340-1. Hui AC, Wong KS, Fu M, Kay R. PMID: 10954964.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    129. Impact of postoperative gait analysis on orthopaedic care. Clin Orthop Relat Res. 2000 May; (374):259-64. Kay RM, Dennis S, Rethlefsen S, Skaggs DL, Tolo VT. PMID: 10818985.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    130. Unilateral absence of the clavicle with rapidly progressive scoliosis in an 8-year-old. Am J Orthop (Belle Mead NJ). 2000 May; 29(5):383-6. Codsi MJ, Kay RM, Masso P, Skaggs DL. PMID: 10868439.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    131. A simplified valgus osteotomy of the proximal femur in children. J Pediatr Orthop B. 2000 Apr; 9(2):114-8. Skaggs DL, DuBois B, Kay RM, Hale JM, Tolo VT. PMID: 10868361.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    132. Dysplasia epiphysealis hemimelica of the acetabulum. A report of two cases. J Bone Joint Surg Am. 2000 Mar; 82(3):409-14. Skaggs DL, Moon CN, Kay RM, Peterson HA. PMID: 10724233.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    133. The effect of preoperative gait analysis on orthopaedic decision making. Clin Orthop Relat Res. 2000 Mar; (372):217-22. Kay RM, Dennis S, Rethlefsen S, Reynolds RA, Skaggs DL, Tolo VT. PMID: 10738430.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    134. Effect of delay of surgical treatment on rate of infection in open fractures in children. J Pediatr Orthop. 2000 Jan-Feb; 20(1):19-22. Skaggs DL, Kautz SM, Kay RM, Tolo VT. PMID: 10641682.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    135. Publication of abstracts submitted to the annual meeting of the Pediatric Orthopaedic Society of North America. J Pediatr Orthop. 2000 Jan-Feb; 20(1):2-6. Jackson KR, Daluiski A, Kay RM. PMID: 10641679.
      View in: PubMed   Mentions: 19     Fields:    
    136. Risk of contralateral hydrocele or hernia after unilateral hydrocele repair in children. J Urol. 1999 Sep; 162(3 Pt 2):1169-70; discussion 1171. Lym L, Ross JH, Alexander F, Kay R. PMID: 10458458.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    137. The effects of fixed and articulated ankle-foot orthoses on gait patterns in subjects with cerebral palsy. J Pediatr Orthop. 1999 Jul-Aug; 19(4):470-4. Rethlefsen S, Kay R, Dennis S, Forstein M, Tolo V. PMID: 10412995.
      View in: PubMed   Mentions: 16     Fields:    Translation:HumansCTClinical Trials
    138. Bilateral proximal radial and scaphoid fractures in a child. J Hand Surg Br. 1999 Apr; 24(2):255-7. Kay RM, Kuschner SH. PMID: 10372791.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    139. Outcome of hamstring lengthening and distal rectus femoris transfer surgery. J Pediatr Orthop B. 1999 Apr; 8(2):75-9. Rethlefsen S, Tolo VT, Reynolds RA, Kay R. PMID: 10218163.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    140. Variability in measurement of acetabular index in normal and dysplastic hips, before and after reduction. J Pediatr Orthop. 1998 Nov-Dec; 18(6):799-801. Skaggs DL, Kaminsky C, Tolo VT, Kay RM, Reynolds RA. PMID: 9821139.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    141. Late metachronous involvement of the contralateral hip in Legg-Calvé-Perthes disease. J Pediatr Orthop. 1998 Nov-Dec; 18(6):807-10. Kay RM, Morrissy RT, Kehl DK. PMID: 9821141.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    142. The pediatric Monteggia fracture. Am J Orthop (Belle Mead NJ). 1998 Sep; 27(9):606-9. Kay RM, Skaggs DL. PMID: 9758451.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    143. Supracondylar humerus fractures in children. AORN J. 1998 Aug; 68(2):186-99; quiz 203, 205-6, 208-10. Hammond WA, Kay RM, Skaggs DL. PMID: 9706234.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    144. Use of a hybrid external fixator for a severely comminuted juxta-articular fracture of the distal humerus. J Orthop Trauma. 1998 Aug; 12(6):439-42. Skaggs DL, Hale JM, Buggay S, Kay RM. PMID: 9715455.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    145. Subdural effusion in chronic cryptococcal meningitis in a cirrhotic patient. Int J Clin Pract. 1997 Jun; 51(4):254-5. Lee YT, Leung NW, Kay R, NG HK. PMID: 9287272.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    146. Variability in the assessment of acetabular index. J Pediatr Orthop. 1997 Mar-Apr; 17(2):170-3. Kay RM, Watts HG, Dorey FJ. PMID: 9075090.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    147. Late presentation of a Monteggia fracture. Orthopedics. 1996 Oct; 19(10):895-7. Kay RM, Bragonier BR, Kuschner SH. PMID: 8905865.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    148. Osteosarcoma and Ewing's sarcoma in a retinoblastoma patient. Clin Orthop Relat Res. 1996 Feb; (323):284-7. Kay RM, Eckardt JJ, Mirra JM. PMID: 8625593.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    149. Long-term durability of cemented primary total hip arthroplasty. J Arthroplasty. 1995 Nov; 10 Suppl:S29-38. Kay RM, Dorey FJ, Johnston-Jones K, Cracchiolo A, Amstutz HC, Finerman GA. PMID: 8776053.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    150. Inter- and intraobserver variation in staging patients with proven avascular necrosis of the hip. Clin Orthop Relat Res. 1994 Oct; (307):124-9. Kay RM, Lieberman JR, Dorey FJ, Seeger LL. PMID: 7924024.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    151. Heterotopic ossification prophylaxis following operative treatment of acetabular fracture. Clin Orthop Relat Res. 1994 Aug; (305):88-95. Johnson EE, Kay RM, Dorey FJ. PMID: 8050251.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    152. Total elbow allograft for twice-failed total elbow arthroplasty. A case report. Clin Orthop Relat Res. 1994 Jun; (303):135-9. Kay RM, Eckardt JJ. PMID: 8194223.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    153. Metastatic hepatocellular carcinoma to bone in a liver transplant patient. A case report. Clin Orthop Relat Res. 1994 Jun; (303):237-41. Kay RM, Eckardt JJ, Goldstein LI, Busuttil RW. PMID: 8194240.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    154. Hydroxyapatite-coated distal femoral replacements. Preliminary results. Clin Orthop Relat Res. 1994 May; (302):92-100. Kay RM, Kabo JM, Seeger LL, Eckardt JJ. PMID: 8168328.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    155. EMLA cream reduces the pain of venepuncture in children. Eur J Anaesthesiol. 1987 Nov; 4(6):441-8. Cooper CM, Gerrish SP, Hardwick M, Kay R. PMID: 3328685.
      View in: PubMed   Mentions: 10     Fields:    Translation:HumansCTClinical Trials
    156. Cutaneous ureterostomy in children--long-term followup. J Urol. 1985 Sep; 134(3):518-20. MacGregor PS, Kay R, Straffon RA. PMID: 4032552.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    157. Growth of long term survivors of childhood malignancy. Acta Paediatr Scand. 1985 May; 74(3):438-41. Herber SM, Kay R, May R, Milner RD. PMID: 4003068.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    158. [Indications for the surgical correction of patients with transposition of the great arteries associated with an interventricular defect. Analysis of 98 cases operated on using the Mustard technic]. G Ital Cardiol. 1983 Dec; 13(12):380-7. Piccoli GP, de Leval MR, Kay RM, Moulton AL, Johansson B, Santos P, Bastos P, Stark J. PMID: 6671495.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
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