Assessment of adult hip dysplasia and the outcome of surgical treatment

Danish Medical Journal

Volumn 59, Issue 6, 2012, Pages

  Troelsen, Anders ^a  

^a HVIDOVRE HOSPITAL   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

ARTHROGRAPHY; ARTICLE; BIOMECHANICS; BONE RETROVERSION; COMPUTER ASSISTED TOMOGRAPHY; ECHOGRAPHY; FOLLOW UP; HIP DISLOCATION; HIP DYSPLASIA; HIP MALFORMATION; HIP OSTEOTOMY; HIP PAIN; HUMAN; NUCLEAR MAGNETIC RESONANCE IMAGING; OSTEOARTHRITIS; OUTCOME ASSESSMENT; PATHOLOGICAL ANATOMY; RISK FACTOR; TOTAL HIP PROSTHESIS; WEIGHT BEARING; X RAY FILM; ACETABULUM; ADULT; CONGENITAL HIP DISLOCATION; HIP OSTEOARTHRITIS; OSTEOTOMY; RADIOGRAPHY; REVIEW; TREATMENT OUTCOME;

ACETABULUM; ADULT; BIOMECHANICS; HIP DISLOCATION, CONGENITAL; HUMANS; OSTEOARTHRITIS, HIP; OSTEOTOMY; TREATMENT OUTCOME;

EID: 84871852917     PISSN: None     EISSN: 22451919     Source Type: Journal    
DOI: None     Document Type: Article

References (159)

1. Wiberg G. Studies on dysplastic acetabula and congenital subluxation of the hip. With special reference to the complication of osteoarthritis. Acta Chir Scand 1939;83(suppl 58):5-135.
2. Stulberg, S. D. Acetabular dysplasia and development of osteoarthritis of hip. Harris, W. H. The hip. Proceedings of the second open scientific meeting of the hip society. 82-93. 1974. St. Louis, C.V. Mosby.
3. Stulberg, S. D. Unrecognized childhood hip disease: a major cause of idiopathic osteoarthritis of the hip. Cordell, LD, Harris, WH, Ramsey, PL, and MacEwen, GD. Proceedings of the third open scientific meeting of the hip society, 212-228. 1975. St. Louis, C.V. Mosby.
4. Cooperman DR, Wallensten R, Stulberg SD. Acetabular dysplasia in the adult. Clin Orthop Relat Res 1983;175:79-85.
5. Hasegawa Y, Iwata H, Mizuno M, Genda E, Sato S, Miura T: The natural course of osteoarthritis of the hip due to subluxation or acetabular dysplasia. Arch Orthop Trauma Surg 1992;111:187-191.
6. Murphy SB, Ganz R, Muller ME: The prognosis in untreated dysplasia of the hip. A study of radiographic factors that predict the outcome. J Bone Joint Surg Am 1995;77:985-989.
7. Murray RO. The aetiology of primary osteoarthritis of the hip. Br J Radiol 1965;38:810-24.
8. Solomon L. Patterns of osteoarthritis of the hip. J Bone Joint Surg Br 1976;58:176-83.
9. Solomon L, Schnitzler CM, Browett JP. Osteoarthritis of the hip: the patient behind the disease. Ann Rheum Dis 1982;41:118-25.
10. Solomon L. Geographical and anatomical patterns of osteoarthritis. Br J Rheumatol 1984;23:177-80.
11. Harris WH. Primary osteoarthritis of the hip: a vanishing diagnosis. J Rheumatol 1983;Suppl 9:64.
12. Harris WH. Etiology of osteoarthritis of the hip. Clin Orthop Relat Res 1986;(213):20-33.
13. Ganz R, Parvizi J, Beck M, Leunig M, Notzli H, Siebenrock KA. Femoroacetabular impingement: a cause for osteoarthritis of the hip. Clin Orthop Relat Res 2003;(417):112-20.
14. Ganz R, Leunig M, Leunig-Ganz K, Harris WH. The etiology of osteoarthritis of the hip: an integrated mechanical concept. Clin Orthop Relat Res 2008;466:264-72.
15. Ganz R, Klaue K, Vinh TS, Mast JW. A new periacetabular osteotomy for the treatment of hip dysplasias. Technique and preliminary results. Clin Orthop Relat Res 1988;232:26-36.
16. Pitto RP, Klaue K, Ganz R, Ceppatelli S. Acetabular rim pathology secondary to congenital hip dysplasia in the adult. A radiographic study. Chir Organi Mov. 1995;80:361-368.
17. Ganz R, Gill TJ, Gautier E, Ganz K, Krugel N, Berlemann U. Surgical dislocation of the adult hip a technique with full access to the femoral head and acetabulum without the risk of avascular necrosis. J Bone Joint Surg Br 2001;83:1119-24.
18. Ito K, Minka MA 2nd, Leunig M, Werlen S, Ganz R. Femoroacetabular impingement and the cam-effect. A MRI-based quantitative anatomical study of the femoral head-neck offset. J Bone Joint Surg Br 2001;83:171-6.
19. Ito K, Leunig M, Ganz R. Histopathologic features of the acetabular labrum in femoroacetabular impingement. Clin Orthop Relat Res 2004;(429):262-71.
20. Kassarjian A, Yoon LS, Belzile E, Connolly SA, Millis MB, Palmer WE. Triad of MR arthrographic findings in patients with cam-type femoroacetabular impingement. Radiology 2005;236:588-92.
21. Jager M, Wild A, Westhoff B, Krauspe R. Femoroacetabular impingement caused by a femoral osseous head-neck bump deformity: clinical, radiological, and experimental results. J Orthop Sci 2004;9:256-63.
22. Beck M, Kalhor M, Leunig M, Ganz R. Hip morphology influences the pattern of damage to the acetabular cartilage: femoroacetabular impingement as a cause of early osteoarthritis of the hip. J Bone Joint Surg Br 2005;87:1012-8.
23. Siebenrock KA, Wahab KH, Werlen S, Kalhor M, Leunig M, Ganz R. Abnormal extension of the femoral head epiphysis as a cause of cam impingement. Clin Orthop Relat Res 2004;(418):54-60.
24. Wagner S, Hofstetter W, Chiquet M, Mainil-Varlet P, Stauffer E, Ganz R, Siebenrock KA. Early osteoarthritic changes of human femoral head cartilage subsequent to femoro-acetabular impingement. Osteoarthritis Cartilage 2003;11:508-18.
25. Tannast M, Goricki D, Beck M, Murphy SB, Siebenrock KA. Hip damage occurs at the zone of femoroacetabular impingement. Clin Orthop Relat Res 2008;466:273-80.
26. Leunig M, Beck M, Kalhor M, Kim YJ, Werlen S, Ganz R. Fibrocystic changes at anterosuperior femoral neck: prevalence in hips with femoroacetabular impingement. Radiology 2005;236:237-46.
27. Leunig M, Beck M, Woo A, Dora C, Kerboull M, Ganz R. Acetabular rim degeneration: a constant finding in the aged hip. Clin Orthop Relat Res 2003;(413):201-7.
28. Pfirrmann CW, Mengiardi B, Dora C, Kalberer F, Zanetti M, Hodler J. Cam and pincer femoroacetabular impingement: characteristic MR arthrographic findings in 50 patients. Radiology 2006;240:778-85.
29. Harris WH. The correlation between minor or unrecognized developmental deformities and the development of osteoarthritis of the hip. Instr Course Lect 2009;58:257-9.
30. Nakamura S, Yorikawa J, Otsuka K, Takeshita K, Harasawa A, Matsushita T. Evaluation of acetabular dysplasia using a top view of the hip on three-dimensional CT. J Orthop Sci. 2000;5:533-539.
31. Anda S, Terjesen T, Kvistad KA, Svenningsen S. Acetabular angles and femoral anteversion in dysplastic hips in adults: CT investigation. J Comput Assist Tomogr. 1991;15:115-120.
32. Noble P, Kamaric E, Sugano N, Matsubara M, Harada Y, Ohzono K, Paravic V. Three-dimensional shape of the dysplastic femur: Implications for THR. Clin Orthop Relat Res. 2003;417:27-40.
33. Jacobsen S, Romer L, Soballe K. The other hip in unilateral hip dysplasia. Clin Orthop Relat Res. 2006;446:239-246.
34. Jacobsen S, Romer L, Soballe K. Degeneration in dysplastic hips. A computer tomography study. Skeletal Radiol. 2005;7:1-7.
35. Klaue K, Durnin CW, Ganz R. The acetabular rim syndrome. A clinical presentation of dysplasia of the hip. J Bone Joint Surg Br. 1991;73:423-429.
36. Byrd JW, Jones KS. Hip arthroscopy in the presence of dysplasia. Arthroscopy 2003;19:1055-60.
37. Jacobsen S. Adult hip dysplasia and osteoarthritis. Studies in radiology and clinical epidemiology. Acta Orthop. 2006;77(Suppl 324):1-37.
38. Mavcic B, Pompe B, Antolic V, Daniel M, Iglic A, Kralj-Iglic V. Mathematical estimation of stress distribution in normal and dysplastic human hips. J Orthop Res. 2002;20:1025-30.
39. Russell ME, Shivanna KH, Grosland NM, Pedersen DR. Cartilage contact pressure elevations in dysplastic hips: a chronic overload model. J Orthop Surg. 2006;1:6.
40. Mavcic B, Iglic A, Kralj-Iglic V, Brand RA, Vengust R. Cumulative hip contact stress predicts osteoarthritis in DDH. Clin Orthop Relat Res 2008;466:884-91.
41. Mast JW, Brunner RL, Zebrack J. Recognizing acetabular version in the radiographic presentation of hip dysplasia. Clin Orthop Relat Res 2004;418:48-53.
42. Nehme A, Trousdale R, Tannous Z, Maalouf G, Puget J, Telmont N. Developmental dysplasia of the hip: is acetabular retroversion a crucial factor? Orthop Traumatol Surg Res 2009;95:511-9.
43. Giori NJ, Trousdale RT. Acetabular retroversion is associated with osteoarthritis of the hip. Clin Orthop Relat Res 2003;417:263-9.
44. Kim WY, Hutchinson CE, Andrew JG, Allen PD. The relationship between acetabular retroversion and osteoarthritis of the hip. J Bone Joint Surg Br 2006;88:727-9.
45. Croft P, Cooper C, Wickham C, Coggon D. Osteoarthritis of the hip and acetabular dysplasia. Ann Rheum Dis. 1991;50:308-310.
46. Smith RW, Egger P, Coggon D, Cawley MI, Cooper C. Osteoarthritis of the hip joint and acetabular dysplasia in women. Ann Rheum Dis. 1995;54:179-181.
47. Jacobsen S, Sonne-Holm S. Hip dysplasia: a significant risk factor for the development of hip osteoarthritis. A cross-sectional survey. Rheumatology (Oxford). 2005;44:211-218.
48. Goodman DA, Feighan JE, Smith AD, Latimer B, Buly RL, Cooperman DR. Subclinical slipped capital femoral epiphysis. Relationship to osteoarthrosis of the hip. J Bone Joint Surg Am 1997;79:1489-1497.
49. Burnett RS, Della Rocca GJ, Prather H, Curry M, Maloney WJ, Clohisy JC. Clinical presentation of patients with tears of the acetabular labrum. J Bone Joint Surg Am 2006;88:1448-57.
50. Fitzgerald RH. Acetabular labrum tears. Diagnosis and treatment. Clin Orthop Relat Res 1995;311:60-68.
51. Narvani AA, Tsiridis E, Kendall S, Chaudhuri R, Thomas P. A preliminary report on prevalence of acetabular labrum tears in sports patients with groin pain. Knee Surg Sports Traumatol Arthrosc 2003;11:403-8.
52. Gosvig K, Jacobsen S, Sonne-Holm S, Palm H, Troelsen A. Prevalence of malformations of the hip joint and their relationship to sex, groin Pain and the risk of osteoarthritis: a population-based survey. J Bone Joint Surg Am 2010;92:1162-1169.
53. Gosvig KK, Jacobsen S, Palm H, Sonne-Holm S, Magnusson E. A new radiological index for assessing asphericity of the femoral head in cam impingement. J Bone Joint Surg Br 2007;89:1309-1316.
54. Maeyama A, Naito M, Moriyama S, Yoshimura I. Periacetabular osteotomy reduces the dynamic instability of dysplastic hips. J Bone Joint Surg Br 2009;91:1438-42.
55. Notzli HP, Wyss TF, Stoecklin CH, Schmid MR, Treiber K, Hodler J. The contour of the femoral head-neck junction as a predictor for the risk of anterior impingement. J Bone Joint Surg Br 2002;84:556-60.
56. Wenger DE, Kendell KR, Miner MR, Trousdale RT. Acetabular labral tears rarely occur in the absence of bony abnormalities. Clin Orthop Relat Res 2004;426:145-150.
57. Peelle MW, Della Rocca GJ, Maloney WJ, Curry MC, Clohisy JC. Acetabular and femoral radiographic abnormalities associated with labral tears. Clin Orthop Relat Res 2005;441:327-33.
58. Guevara CJ, Pietrobon R, Carothers JT, Olson SA, Vail TP. Comprehensive morphologic evaluation of the hip in patients with symptomatic labral tear. Clin Orthop Relat Res 2006;453:277-85.
59. Jacobsen S, Sonne-Holm S, Soballe K, Gebuhr P, Lund B. Hip dysplasia and osteoarthrosis: a survey of 4151 subjects from the Osteoarthrosis Substudy of the Copenhagen City Heart Study. Acta Orthop 2005;76:149-158.
60. Reijman M, Hazes JM, Pols HA, Koes BW, Bierma-Zeinstra SM. Acetabular dysplasia predicts incident osteoarthritis of the hip: the Rotterdam study. Arthritis Rheum 2005;52:787-93.
61. Lane NE, Lin P, Christiansen L, Gore LR, Williams EN, Hochberg MC, Nevitt MC. Association of mild acetabular dysplasia with an increased risk of incident hip osteoarthritis in elderly white women: the study of osteoporotic fractures. Arthritis Rheum 2000;43:400-4.
62. Jessel RH, Zurakowski D, Zilkens C, Burstein D, Gray ML, Kim YJ. Radiographic and patient factors associated with pre-radiographic osteoarthritis in hip dysplasia. J Bone Joint Surg Am 2009;91:1120-9.
63. The Danish Hip Replacement Register. The Danish Hip Replacement Register. Department of Orthopedic surgery, University Hospital of Aarhus, Denmark. 2004;1-49.
64. Ecker TM, Tannast M, Puls M, Siebenrock KA, Murphy SB. Pathomorphologic alterations predict presence or absence of hip osteoarthrosis. Clin Orthop Relat Res 2007;465:46-52.
65. Barros HJ, Camanho GL, Bernabe AC, Rodrigues MB, Leme LE. Femoral head-neck junction deformity is related to osteoarthritis of the hip. Clin Orthop Relat Res 2010;468:1920-5.
66. Tanzer M, Noiseux N. Osseous abnormalities and early osteoarthritis: the role of hip impingement. Clin Orthop Relat Res 2004;429:170-7.
67. Clohisy JC, Schutz AL, St John L, Schoenecker PL, Wright RW. Periacetabular osteotomy: a systematic literature review. Clin Orthop Relat Res 2009;467:2041-52.
68. Tonnis D. Congenital Dysplasia and Dislocation of the Hip in Children and Adults. Berlin, Heidelberg, New York: Springer; 1987.
69. Sharp I. Acetabular dysplasia. J Bone Joint Surg Br. 1961;43:268-272.
70. Heyman CH, Herndon CH. Legg-Perthes Disease. A method for the measurement of the roentgenographic result. J Bone Joint Surg Am. 1950;32:767-778.
71. Goodman SB. Comparison of radiographic parameters for analysis of normal and dysplastic hips in the adult. Contemp Orthop 1990;20:505-511.
72. Kralj M, Mavcic B, Antolic V, Iglic A, Kralj-Iglic V. The Bernese periacetabular osteotomy: clinical, radiographic and mechanical 7-15-year follow-up of 26 hips. Acta Orthop 2005;76:833-840.
73. Steppacher SD, Tannast M, Ganz R, Siebenrock KA. Mean 20-year follow-up of Bernese periacetabular osteotomy. Clin Orthop Relat Res 2008;466:1633-1644.
74. Matheney T, Kim YJ, Zurakowski D, Matero C, Millis M. Intermediate to long-term results following the Bernese periacetabular osteotomy and predictors of clinical outcome. J Bone Joint Surg Am 2009;91:2113-23.
75. Troelsen A, Elmengaard B, Romer L, Soballe K. Reliable Angle Assessment During Periacetabular Osteotomy with a Novel Device. Clin Orthop Relat Res 2008;466:1169-1176.
76. Clohisy JC, Carlisle JC, Trousdale R, Kim YJ, Beaule PE, Morgan P, Steger-May K, Schoenecker PL, Millis M. Radiographic evaluation of the hip has limited reliability. Clin Orthop Relat Res 2009;467:666-75.
77. Nelitz M, Guenther KP, Gunkel S, Puhl W. Reliability of radiological measurements in the assessment of hip dysplasia in adults. Br J Radiol 1999;72:331-4.
78. Omeroglu H, Bicimoglu A, Aguş H, Tumer Y. Measurement of centeredge angle in developmental dysplasia of the hip: a comparison of two methods in patients under 20 years of age. Skeletal Radiol 2002;31:25-9.
79. Portinaro NM, Murray DW, Bhullar TP, Benson MK. Errors in measurement of acetabular index. J Pediatr Orthop 1995;15:780-4.
80. Ball F, Kommenda K. Sources of error in the roentgen evaluation of the hip in infancy. Ann Radiol 1968;11:298-303.
81. Jacobsen S, Sonne-Holm S, Lund B, Soballe K, Kiar T, Rovsing H, Monrad H. Pelvic orientation and assessment of hip dysplasia in adults. Acta Orthop 2004;75:721-729.
82. Siebenrock K, Kalbermatten D, Ganz R. Effect of pelvic tilt on acetabular retroversion: a study of pelves from cadavers. Clin Orthop Relat Res 2003;407:241-8.
83. Ezoe M, Naito M, Inoue T. The prevalence of acetabular retroversion among various disorders of the hip. J Bone Joint Surg Am 2006;88:372-9.
84. Kiyama T, Naito M, Shiramizu K, Shinoda T. Postoperative acetabular retroversion causes posterior osteoarthritis of the hip. Int Orthop 2009;33:625-31.
85. Xie J, Naito M, Maeyama A. Evaluation of acetabular versions after a curved periacetabular osteotomy for dysplastic hips. Int Orthop 2010;34:473-7.
86. Fujii M, Nakashima Y, Yamamoto T, Mawatari T, Motomura G, Matsushita A, Matsuda S, Jingushi S, Iwamoto Y. Acetabular retroversion in developmental dysplasia of the hip. J Bone Joint Surg Am 2010;92:895-903.
87. Anda S, Svenningsen S, Grontvedt T, Benum P. Pelvic inclination and spatial orientation of the acetabulum. A radiographic, computed tomographic and clinical investigation. Acta Radiol 1990;31:389-94.
88. Konishi N, Mieno N, Mieno T. Determination of acetabular coverage of the femoral head with use of a single anteroposterior radiograph. A new computerized technique. J Bone Joint Surg Am 1993;75:1318-1333.
89. Eddine TA, Migaud H, Chantelot C, Cotten A, Fontaine C, Duquennoy A. Variations of pelvic anteversion in the lying and standing positions: analysis of 24 control subjects and implications for CT measurement of position of a prosthetic cup. Surg Radiol Anat 2001;23:105-10.
90. Nishihara S, Sugano N, Nishii T, Ohzono K, Yoshikawa H. Measurements of pelvic flexion angle using three-dimensional computed tomography. Clin Orthop Relat Res 2003;411:140-151.
91. Lembeck B, Mueller O, Reize P, Wuelker N. Pelvic tilt makes acetabular cup navigation inaccurate. Acta Orthop 2005;76:517-23.
92. Mayr E, Kessler O, Prassl A, Rachbauer F, Krismer M, Nogler M. The frontal pelvic plane provides a valid reference system for implantation of the acetabular cup: spatial orientation of the pelvis in different positions. Acta Orthop 2005;76:848-53.
93. Babisch JW, Layher F, Amiot LP. The rationale for tilt-adjusted acetabular cup navigation. J Bone Joint Surg Am 2008;90:357-65.
94. Fuchs-Winkelmann S, Peterlein CD, Tibesku CO, Weinstein SL. Comparison of pelvic radiographs in weightbearing and supine positions. Clin Orthop Relat Res 2008;466:809-12.
95. Altman RD, Bloch DA, Dougados M, Hochberg M, Lohmander S, Pavelka K, Spector T, Vignon E. Measurement of structural progression in osteoarthritis of the hip: the Barcelona consensus group. Osteoarthritis Cartilage 2004;12:515-524.
96. Conrozier T, Lequesne MG, Tron AM, Mathieu P, Berdah L, Vignon E. The effects of position on the radiographic joint space in osteoarthritis of the hip. Osteoarthritis Cartilage 1997;5:17-22.
97. Tannast M, Murphy S, Langlotz F, Anderson S, Siebenrock K. Estimation of pelvic tilt on anteroposterior x-rays-a comparison of six parameters. Skeletal Radiol 2006;35:149-55.
98. Reynolds D, Lucas J, Klaue K. Retroversion of the acetabulum. A cause of hip pain. J Bone Joint Surg Br 1999;81:281-288.
99. Jamali AA, Mladenov K, Meyer DC, Martinez A, Beck M, Ganz R, Leunig M. Anterior pelvic radiographs to assess acetabular retroversion: high validity of the 'cross-over-sign.' J Orthop Res 2007;25:758-765.
100. Anda S, Terjesen T, Kvistad KA. Computed tomography measurements of the acetabulum in adult dysplastic hips: which level is appropriate? Skeletal Radiol 1991;20:267-71.
101. Li PL, Ganz R. Morphologic features of congenital acetabular dysplasia: one in six is retroverted. Clin Orthop Relat Res 2003;416:245-53.
102. Peters CL, Erickson JA, Hines JL. Early results of the Bernese periacetabular osteotomy: the learning curve at an academic medical center. J Bone Joint Surg Am 2006;88:1920-1926.
103. Kalberer F, Sierra RJ, Madan SS, Ganz R, Leunig M. Ischial spine projection into the pelvis: a new sign for acetabular retroversion. Clin Orthop Relat Res 2008;466:677-83.
104. Kappe T, Kocak T, Neuerburg C, Lippacher S, Bieger R, Reichel H. Reliability of radiographic signs for acetabular retroversion. Int Orthop 2010 May 10. [Epub ahead of print]
105. Bland JM, Altman DG. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1986;1:307-310.
106. Bland JM, Altman DG. Applying the right statistics: analyses of measurement studies. Ultrasound Obstet Gynecol 2003;22:85-93.
107. Ferguson SJ, Bryant JT, Ganz R, Ito K. The influence of the acetabular labrum on hip joint cartilage consolidation: a poroelastic finite element model. J Biomech 2000;33:953-60.
108. Ferguson SJ, Bryant JT, Ganz R, Ito K. An in vitro investigation of acetabular labral seal in hip joint mechanics. J Biomech 2003;36:171-8.
109. McCarthy JC, Noble PC, Schuck MR, Wright J, Lee J. The role of labral lesions to development of early degenerative hip disease. Clin Orthop Relat Res 2001;393:25-37.
110. McCarthy JC, Noble PC, Schuck MR, Wright J, Lee J. The watershed labral lesion: its relationship to early arthritis of the hip. J Arthroplasty 2001;16 Suppl.1:81-7.
111. Dorrell JH, Catterall A. The torn acetabular labrum. J Bone Joint Surg Br 1986;68:400-3.
112. Crawford MJ, Dy CJ, Alexander JW, Thompson M, Schroder SJ, Vega CE, Patel RV, Miller AR, McCarthy JC, Lowe WR, Noble PC. The 2007 Frank Stinchfield Award. The biomechanics of the hip labrum and the stability of the hip. Clin Orthop Relat Res 2007;465:16-22.
113. McCarthy JC, Lee JA: Acetabular dysplasia: a paradigm of arthroscopic examination of chondral injuries. Clin Orthop Relat Res 2002;405:122-128.
114. Maeyama A, Naito M, Moriyama S, Yoshimura I. Evaluation of dynamic instability of the dysplastic hip with use of triaxial accelerometry. J Bone Joint Surg Am 2008;90:85-92.
115. Leunig M, Podeszwa D, Beck M, Werlen S, Ganz R. Magnetic resonance arthrography of labral disorders in hips with dysplasia and impingement. Clin Orthop Relat Res 2004;418:74-80.
116. Cashin M, Uhthoff H, O'Neill M, Beaule PE. Embryology of the acetabular labral-chondral complex. J Bone Joint Surg Br 2008;90:1019-24.
117. Toomayan GA, Holman WR, Major NM, Kozlowicz SM, Vail TP. Sensitivity of MR arthrography in the evaluation of acetabular labral tears. Am J Roentgenol 2006;186:449-53.
118. Chan YS, Lien LC, Hsu HL, Wan YL, Lee MS, Hsu KY et al. Evaluating hip labral tears using magnetic resonance arthrography: a prospective study comparing hip arthroscopy and magnetic resonance arthrography diagnosis. Arthroscopy 2005;21:1250.
119. Freedman BA, Potter BK, Dinauer PA, Giuliani JR, Kuklo TR, Murphy KP. Prognostic value of magnetic resonance arthrography for Czerny stage II and III acetabular labral tears. Arthroscopy 2006;22:742-7.
120. Ziegert AJ, Blankenbaker DG, De Smet AA, Keene JS, Shinki K, Fine JP. Comparison of standard hip MR arthrographic imaging planes and sequences for detection of arthroscopically proven labral tear. AJR Am J Roentgenol 2009;192:1397-400.
121. Czerny C, Hofmann S, Neuhold A, Tschauner C, Engel A, Recht MP et al. Lesions of the acetabular labrum: accuracy of MR imaging and MR arthrography in detection and staging. Radiology 1996;200:225-30.
122. Czerny C, Hofmann S, Urban M, Tschauner C, Neuhold A, Pretterklieber M et al. MR arthrography of the adult acetabular capsular-labral complex: correlation with surgery and anatomy. Am J Roentgenol 1999;173:345-9.
123. Keeney JA, Peelle MW, Jackson J, Rubin D, Maloney WJ, Clohisy JC. Magnetic resonance arthrography versus arthroscopy in the evaluation of articular hip pathology. Clin Orthop Relat Res 2004;429:163-9.
124. Leunig M, Werlen S, Ungersbock A, Ito K, Ganz R. Evaluation of the acetabular labrum by MR arthrography. J Bone Joint Surg Br 1997;79:230-4.
125. Mitchell B, McCrory P, Brukner P, O'Donnell J, Colson E, Howells R. Hip joint pathology: clinical presentation and correlation between magnetic resonance arthrography, ultrasound, and arthroscopic findings in 25 consecutive cases. Clin J Sport Med 2003;13:152-6.
126. Sofka CM, Adler RS, Danon MA. Sonography of the acetabular labrum: visualization of labral injuries during intra-articular injections. J Ultrasound Med 2006;25:1321-26.
127. Martin RL, Kelly BT, Leunig M, Martin HD, Mohtadi NG, Philippon MJ, Sekiya JK, Safran MR. Reliability of clinical diagnosis in intraarticular hip diseases. Knee Surg Sports Traumatol Arthrosc 2010;18:685-90.
128. Martin RL, Sekiya JK. The interrater reliability of 4 clinical tests used to assess individuals with musculoskeletal hip pain. J Orthop Sports Phys Ther 2008;38:71-7.
129. Clohisy JC, Beaule PE, O'Malley A, Safran MR, Schoenecker P. AOA symposium. Hip disease in the young adult: current concepts of etiology and surgical treatment. J Bone Joint Surg Am 2008;90:2267-81.
130. Troelsen A, Romer L, Soballe K. Hip dysplasia: clinical assessment, radiologic evaluation and reference. Ugeskr Laeger 2007;169:394-6.
131. Siebenrock KA, Scholl E, Lottenbach M, Ganz R. Bernese periacetabular osteotomy. Clin Orthop Relat Res 1999;363:9-20.
132. Trousdale RT, Ekkernkamp A, Ganz R, Wallrichs SL. Periacetabular and intertrochanteric osteotomy for the treatment of osteoarthrosis in dysplastic hips. J Bone Joint Surg Am 1995;77:73-85.
133. Trumble SJ, Mayo KA, Mast JW. The periacetabular osteotomy. Minimum 2 year followup in more than 100 hips. Clin Orthop Relat Res 1999;363:54-63.
134. Murphy SB, Millis MB. Periacetabular osteotomy without abductor dissection using direct anterior exposure. Clin Orthop Relat Res 1999;364:92-98.
135. Clohisy J, Barrett S, Gordon J, Delgado E, Schoenecker P. Periacetabular osteotomy for the treatment of severe acetabular dysplasia. J Bone Joint Surg Am 2005;87:254-259.
136. Crockarell J Jr, Trousdale RT, Cabanela ME et al. Early experience and results with the periacetabular osteotomy. The Mayo Clinic experience. Clin Orthop Relat Res 1999;363:45-53.
137. Matta JM, Stover MD, Siebenrock K. Periacetabular osteotomy through the Smith-Petersen approach. Clin Orthop Relat Res 1999;363:21-32.
138. Pogliacomi F, Stark A, Wallensten R. Periacetabular osteotomy. Good pain relief in symptomatic hip dysplasia, 32 patients followed for 4 years. Acta Orthop Scand 2005;76:67-74.
139. Garras DN, Crowder TT, Olson SA. Medium-term results of the Bernese periacetabular osteotomy in the treatment of symptomatic developmental dysplasia of the hip. J Bone Joint Surg Br 2007;89:721-724.
140. Troelsen A, Elmengaard B, Soballe K. A new minimally invasive transsartorial approach for periacetabular osteotomy. J Bone Joint Surg Am 2008;90:493-498.
141. Troelsen A, Elmengaard B, Soballe K. Comparison of the minimally invasive and ilioinguinal approaches for periacetabular osteotomy: 263 single-surgeon procedures in well-defined study groups. Acta Orthop 2008;79:777-84.
142. Millis MB, Kain M, Sierra R, Trousdale R, Taunton MJ, Kim YJ, Rosenfeld SB, Kamath G, Schoenecker P, Clohisy JC. Periacetabular osteotomy for acetabular dysplasia in patients older than 40 years: a preliminary study. Clin Orthop Relat Res 2009;467:2228-34.
143. Cunningham T, Jessel R, Zurakowski D et al. Delayed gadoliniumenhanced magnetic resonance imaging of cartilage to predict early failure of Bernese periacetabular osteotomy for hip dysplasia. J Bone Joint Surg Am 2006;88:1540-8.
144. Biedermann R, Donnan L, Gabriel A, Wachter R, Krismer M, Behensky H. Complications and patient satisfaction after periacetabular osteotomy. Int Orthop. 2007 [Epub ahead of print]. DOI 10.1007/s00264-007-0372-3
145. van Bergayk AB, Garbuz DS. Quality of life and sports-specific outcomes after Bernese periacetabular osteotomy. J Bone Joint Surg Br 2002;84:339-43.
146. Troelsen A. Surgical advances in periacetabular osteotomy for treatment of hip dysplasia in adults. Acta Orthop Suppl 2009;80(332):1-33.
147. Soballe K. Pelvic osteotomy for acetabular dysplasia. Acta Orthop Scand 2003;74:117-118.
148. Mechlenburg I, Nyengaard J, Romer L, Soballe K. Changes in loadbearing area after Ganz periacetabular osteotomy evaluated by multislice CT scanning and stereology. Acta Orthop Scand 2004;75:147-153.
149. Hipp JA, Sugano N, Millis NB, Murphy SB. Planning acetabular redirection osteotomies based on joint contact pressures. Clin Orthop Relat Res 1999;364:134-143.
150. Trousdale RT, Cabanela ME. Lessons learned after more than 250 periacetabular osteotomies. Acta Orthop Scand 2003;74:119-126.
151. Bjorner JB, Damsgaard MT, Watt T, Bech P, Rasmussen NK, Kristensen TS, Modvig J, Thunedborg K. Danish manual for SF-36. Copenhagen: Lif; 1997.
152. Bellamy N. WOMAC osteoarthritis index. User guide VIII. WOMACR is a registered trademark in Canada of Nicholas Bellamy.
153. Pedersen A, Johnsen S, Overgaard S, Soballe K, Sorensen HT, Lucht U. Registration in the Danish hip arthroplasty registry: completeness of total hip arthroplasties and positive predictive value of registered diagnosis and postoperative complications. Acta Orthop Scand 2004;75:434-441.
154. Murphy S, Deshmukh R. Periacetabular osteotomy: preoperative radiographic predictors of outcome. Clin Orthop Relat Res 2002;405:168-174.
155. Sharifi E, Sharifi H, Morshed S et al. Cost-effectiveness analysis of periacetabular osteotomy. J Bone Joint Surg Am 2008;90:1447-1456.
156. Notzli HP, Muller SM, Ganz R. The relationship between fovea capitis femoris and weight bearing area in the normal and dysplastic hip in adults: a radiologic study. Z Orthop 2001;139:502-506.
157. Okano K, Enomoto H, Osaki M, Shindo H. Outcome of rotational acetabular osteotomy for early hip osteoarthritis secondary to dysplasia related to femoral head shape. 49 hips followed for 10-17 years. Acta Orthopaedica 2008;79:12-17.
158. Parvizi J, Bican O, Bender B, Mortazavi SM, Purtill JJ, Erickson J, Peters C. Arthroscopy for labral tears in patients with developmental dysplasia of the hip: a cautionary note. J Arthroplasty 2009;24(6 Suppl):110-3.
159. Mechlenburg I, Nyengaard JR, Gelineck J, Soballe K. Cartilage thickness in the hip joint measured by MRI and stereology--a methodological study. Osteoarthritis Cartilage 2007;15:366-71.