B. 1. Patel, R. Stulberg, and S. , The Rationale for Short Uncemented Stems in Total Hip Arthroplasty, Orthopedic Clinics of North America, vol.45, issue.1, pp.19-31, 2014.
DOI : 10.1016/j.ocl.2013.08.007

S. Stulberg and R. Patel, The short stem: promises and pitfalls, The Bone & Joint Journal, vol.95, issue.11_Supple_A, p.2013
DOI : 10.1302/0301-620X.95B11.32936

J. Epinette, Radiographic assessment of cementless hip prostheses: The ???ARA??? scoring system, European Journal of Orthopaedic Surgery & Traumatology, vol.9, issue.2, pp.91-95, 1999.
DOI : 10.1007/BF01695736

C. Engh, P. Massin, and K. Suthers, Roentgenographic Assessment of the Biologic Fixation of Porous-Surfaced Femoral Components, Clinical Orthopaedics and Related Research, vol.&NA;, issue.257, 1990.
DOI : 10.1097/00003086-199008000-00022

R. Merle-d-'aubigné, Cotation chiffrée de la fonction de la hanche, Rev Chir Orthop, issue.59, pp.481-487, 1970.

D. Aubigné, R. Postel, and M. , The Classic: Functional Results of Hip Arthroplasty with Acrylic Prosthesis, Clinical Orthopaedics and Related Research, vol.30, issue.1, pp.7-27, 1954.
DOI : 10.1007/s11999-008-0572-1

W. Harris, Traumatic Arthritis of the Hip after Dislocation and Acetabular Fractures, The Journal of Bone & Joint Surgery, vol.51, issue.4
DOI : 10.2106/00004623-196951040-00012

J. Dawson, R. Fitzpatrick, A. Carr, and D. Murray, Questionnaire on the perceptions of patients about total hip replacement, J Bone Joint Surg Br, vol.78, issue.2, pp.185-90, 1996.

D. Murray, R. Fitzpatrick, K. Rogers, H. Pandit, D. Beard et al., The use of the Oxford hip and knee scores, Journal of Bone and Joint Surgery - British Volume, vol.89, issue.8, pp.1010-1014, 2007.
DOI : 10.1302/0301-620X.89B8.19424

C. Delaunay, J. Epinette, J. Dawson, D. Murray, and B. Jolles, Cross-cultural adaptations of the Oxford-12 HIP score to the French speaking population, Orthopaedics & Traumatology: Surgery & Research, vol.95, issue.2, pp.89-99, 2009.
DOI : 10.1016/j.otsr.2009.01.003

F. Ficat and J. Arlet, Biopsy-forage in the treatment of primary femoro-capital osteonecrosis] Presse Med, ):581. 12. Ficat RP, Arlet J. Necrosis of the femoral head. In: Ischemia and necrosis of bone, 1971.

. Baltimore, Williams and Wilkins, pp.53-74, 1980.

J. Crowe, V. Mani, and C. Ranawat, Total hip replacement in congenital dislocation and dysplasia of the hip., The Journal of Bone & Joint Surgery, vol.61, issue.1, pp.15-23, 1979.
DOI : 10.2106/00004623-197961010-00004

A. Brooker, J. Bowerman, R. Robinson, and L. Riley, Ectopic ossification following total hip replacement. Incidence and a method of classification, J Bone Joint Surg Am, 1973.

J. Meding, M. Ritter, E. Keating, and M. Berend, Twenty-year Followup of an Uncemented Stem in Primary THA, Clinical Orthopaedics and Related Research??, vol.35, issue.2, pp.543-551, 2015.
DOI : 10.1007/s11999-014-3763-y

K. Cheung, K. Chiu, and K. Chung, Long-term result of cementless femoral stem in avascular necrosis of the hip, Hip International, vol.25, issue.1, pp.72-77, 2015.
DOI : 10.5301/hipint.5000187

T. Freitag, T. Kappe, M. Fuchs, S. Jung, H. Reichel et al., Migration pattern of a femoral short-stem prosthesis: a 2-year EBRA-FCA-study, Archives of Orthopaedic and Trauma Surgery, vol.448, issue.2, 2014.
DOI : 10.1007/s00402-014-1984-x

A. Gruner and K. Heller, Patient Selection for Shorter Femoral Stems, Orthopedics, vol.38, issue.3, p.2015
DOI : 10.3928/01477447-20150215-53

V. Lewinski, G. Floerkemeier, and T. , 10-Year Experience With Short Stem Total Hip Arthroplasty, Orthopedics, vol.38, issue.3, pp.51-57, 2015.
DOI : 10.3928/01477447-20150215-57

A. Braun and A. Sabah, Zwei-Jahres-Ergebnisse einer modularen Kurzschaft-H??ftendoprothese ??? eine prospektive Studie, Zeitschrift f??r Orthop??die und Unfallchirurgie, vol.147, issue.06, pp.700-706, 2009.
DOI : 10.1055/s-0029-1185899

A. Jahnke, S. Engl, C. Altmeyer, E. Jakubowitz, J. Seeger et al., Changes of periprosthetic bone density after a cementless short hip stem: a clinical and radiological analysis, International Orthopaedics, vol.99, issue.1, pp.2045-50, 2014.
DOI : 10.1007/s00264-014-2370-6

R. Wittenberg, R. Steffen, H. Windhagen, P. Bücking, A. Wilcke et al., Five-year results of a cementless short-hip-stem prosthesis Comparative 5-year results of short hip total hip arthroplasty with Ti-or CoCr-neck adapters, Orthop Rev Feb Orthopedics, vol.22538, issue.13, pp.33-42, 2013.

M. Synder, K. Krajewski, M. Sibinski, and M. Drobniewski, Periprosthetic Bone Remodeling Around Short Stem, Orthopedics, vol.38, issue.3, pp.40-45, 2015.
DOI : 10.3928/01477447-20150215-55

F. Thorey, C. Hoefer, N. Abdi-tabari, M. Lerch, S. Budde et al., Clinical results of the metha short hip stem: a perspective for younger patients? Orthop Rev (Pavia), e34. 26. Schmidutz F, 2013.

T. Floerkemeier, N. Tscheuschner, T. Calliess, M. Ezechieli, S. Floerkemeier et al., Cementless short stem hip arthroplasty METHA?? as an encouraging option in adults with osteonecrosis of the femoral head, Archives of Orthopaedic and Trauma Surgery, vol.149, issue.Suppl 3, pp.1125-1156, 2012.
DOI : 10.1007/s00402-012-1524-5

V. Brinkmann, F. Radetzki, K. Delank, D. Wohlrab, and A. Zeh, A prospective randomized radiographic and dual-energy X-ray absorptiometric study of migration and bone remodeling after implantation of two modern short-stemmed femoral prostheses, Journal of Orthopaedics and Traumatology, vol.119, issue.Suppl 3, 2015.
DOI : 10.1007/s10195-015-0335-1

T. Amenabar, K. Marimuthu, G. Hawdon, A. Gildone, and S. Mcmahon, Total Hip Arthroplasty Using a Short-Stem Prosthesis: Restoration of Hip Anatomy, Journal of Orthopaedic Surgery, vol.82, issue.1, pp.90-94
DOI : 10.1177/230949901502300121

M. Kaipel, P. Grabowiecki, K. Sinz, S. Farr, and G. Sinz, Migration characteristics and early clinical results of the NANOS?? short-stem hip arthroplasty, Wiener klinische Wochenschrift, vol.126, issue.7???8, 2015.
DOI : 10.1007/s00508-015-0756-0

M. Ettinger, P. Ettinger, M. Lerch, K. Radtke, S. Budde et al., The NANOS short stem in total hip arthroplasty: a mid term follow-up, Hip International, vol.21, issue.5, pp.583-589, 2011.
DOI : 10.5301/HIP.2011.8658

R. Mccalden, A. Korczak, L. Somerville, X. Yuan, and D. Naudie, A randomised trial comparing a short and a standard-length metaphyseal engaging cementless femoral stem using radiostereometric analysis, The Bone & Joint Journal, vol.97, issue.5, pp.595-602
DOI : 10.1302/0301-620X.97B5.34994

K. Gustke, Short stems for total hip arthroplasty: Initial experience with the Fitmore?? stem, Journal of Bone and Joint Surgery - British Volume, vol.94, issue.11_Supple_A, pp.47-51, 2012.
DOI : 10.1302/0301-620X.94B11.30677

B. Morrey, R. Adams, and M. Kessler, A conservative femoral replacement for total hip arthroplasty, The Journal of Bone and Joint Surgery, vol.82, issue.7, pp.952-960, 2000.
DOI : 10.1302/0301-620X.82B7.10420

F. Falez, F. Casella, G. Panegrossi, F. Favetti, and C. Barresi, Perspectives on metaphyseal conservative stems, Journal of Orthopaedics and Traumatology, vol.53, issue.4, pp.49-54, 2008.
DOI : 10.1007/s10195-008-0105-4

R. Molli, A. Lombardi, K. Berend, J. Adams, and M. Sneller, A Short Tapered Stem Reduces Intraoperative Complications in Primary Total Hip Arthroplasty, Clinical Orthopaedics and Related Research??, vol.60, issue.Suppl 1
DOI : 10.1007/s11999-011-2068-7

Y. Kim, J. Park, and J. Kim, Behaviour of the ultra-short anatomic cementless femoral stem in young and elderly patients, International Orthopaedics, vol.87, issue.3, pp.2323-2353, 2013.
DOI : 10.1007/s00264-013-2044-9

D. Briem, M. Schneider, N. Bogner, N. Botha, M. Gebauer et al., Mid-term results of 155 patients treated with a collum femoris preserving (CFP) short stem prosthesis, International Orthopaedics, vol.9, issue.6
DOI : 10.1007/s00264-010-1020-x

D. Kendoff, M. Citak, C. Egidy, O. Loughlin, P. Gehrke et al., Eleven-Year Results of the Anatomic Coated CFP Stem in Primary Total Hip Arthroplasty, The Journal of Arthroplasty, vol.28, issue.6, 2013.
DOI : 10.1016/j.arth.2012.10.013

J. Hutt, Z. Harb, I. Gill, F. Kashif, J. Miller et al., Ten year results of the collum femoris preserving total hip replacement: a prospective cohort study of seventy five patients, International Orthopaedics, vol.131, issue.4
DOI : 10.1007/s00264-013-2212-y

J. Morales-de-cano, C. Gordo, and J. Illobre, Early clinical results of a new conservative hip stem, European Journal of Orthopaedic Surgery & Traumatology, vol.75, issue.4, pp.359-63
DOI : 10.1007/s00590-013-1198-x

J. Van-oldenrijk, J. Molleman, M. Klaver, R. Poolman, and D. Haverkamp, Revision rate after short-stem total hip arthroplasty, Acta Orthopaedica, vol.142, issue.5, 2014.
DOI : 10.3109/17453674.2014.908343

F. Falez, F. Casella, and M. Papalia, Current Concepts, Classification, and Results in Short Stem Hip Arthroplasty, Orthopedics, vol.38, issue.3, pp.6-13
DOI : 10.3928/01477447-20150215-50

H. Feyen and A. Shimmin, Is the length of the femoral component important in primary total hip replacement?, The Bone & Joint Journal, vol.96, issue.4, pp.442-450
DOI : 10.1302/0301-620X.96B4.33036

H. Khanuja, S. Banerjee, D. Jain, R. Pivec, and M. Mont, Short Bone-Conserving Stems in Cementless Hip Arthroplasty, The Journal of Bone and Joint Surgery-American Volume, vol.96, issue.20, pp.1742-52, 2014.
DOI : 10.2106/JBJS.M.00780

C. Engh, J. Bobyn, and A. Glassman, Porous-coated hip replacement. The factors governing bone ingrowth, stress shielding, and clinical results, J Bone Joint Surg Br, 1987.

. Annexe, Score& Douleur& & Marche& & Mobilité& ' 0' Permanente' ' Aucune' ' Ankylose' ' 1' Sévère'nocturne' ' 2'béquilles' ' Faible' ' 2' Sévère'à'la'marche' ' 2cannes' ' <40°'de'flexion' ' 3' Supportable'limite' l'activité' ' 1'canne'en'permanence,'boiterie' ' Flexion'40360°' ' 4' Modérée,'pas'au'repos' ' 1'canne'longue'marche' ' Flexion'60380°' touche'son'pied' ' 5' Légère,'activité'normale' ' Sans'canne,'Légère'boiterie' ' Flexion'80390°' abduction15°' ' 6' Aucune' ' Normale' ' Flexion>90°' Abduction>30°' ' Total

. Annexe, Classification'd'ostéonécrose'aseptique'de'la'tête'fémorale'selon'Arlet'et' Ficat, ? Stade, vol.1

. Travailleur-'manuel-'lourd, 'sport'de'contacts'ou'tennis'de'compétition' 5' ' Travailleur'léger'(bureau).'Sport'sans'contact'ou'tennis'léger' 4' ' Activités'légères,'jardinage,'natation' 3' ' Semi3sédentaire,'ménage'intérieur' 2

@. Stade, 2':'ossifications'provenant'du'fémur!proximal)ou)du)cotyle)mais)restant)à) >1'cm'de'la'surface'osseuse'opposée' ? Stade'3':'idem'que'le'stade'2'mais'<1'cm