{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,30]],"date-time":"2026-10-30T21:49:43Z","timestamp":1793396983501,"version":"4.5.0"},"reference-count":77,"publisher":"Springer Science and Business Media LLC","issue":"9","license":[{"start":{"date-parts":[[2021,3,2]],"date-time":"2021-03-02T00:00:00Z","timestamp":1614643200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2021,3,2]],"date-time":"2021-03-02T00:00:00Z","timestamp":1614643200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"Open Access funding enabled and organized by Projekt DEAL."}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Arch Orthop Trauma Surg"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Gluteal tendon tears (GTT) can cause pain and weakness of the hip. We analyze the impact of gluteal muscle fatty degeneration, atrophy and tear morphology on clinical outcomes of surgical repair.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>All sequential patients receiving surgical repair of GTTs via anchor sutures between 1\/2015 and 11\/2018 were retrospectively identified. MRIs were reviewed by a radiologist for tendon retraction, muscle atrophy and tear size. The Goutallier-Fuchs Classification (GFC) was used to quantify fatty degeneration as\u2009&lt;\u20092\u00b0 or\u2009\u2265\u20092\u00b0. Demographic and clinical variables were abstracted from the electronic records. The surveys HHS Section 1 and HOOS Jr. were obtained at last follow-up. The Pearson correlation and one-way ANOVA tests served for statistical analysis of clinical variance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      38 patients were identified, 29 (76.3%) were female. The average age was 67. Of the 11 (28.9%) patients with a prior hip arthroplasty 87.5% of primary THAs had a direct lateral approach. 29 (76.3%) patients were treated open and 9 (23.7%) arthroscopically. At an average follow-up of 20.9\u00a0months, patients reported a significant improvement in pain (97%), analgesic use (85.7%), limp (52.6%) and abduction strength (54.2%) (all:\n                      <jats:italic>P<\/jats:italic>\n                      \u2009\u2264\u20090.01). GFC\u2009\u2265\u20092\u00b0 were associated with significantly worse outcomes in terms of limp (0.19\/3 vs. 1.2\/3,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.05), HHS-S1 (58.19 vs. 71.68,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.04) and complication rates (37.5% vs. 0%,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.02). There was a strong correlation between tear retraction (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.005), tear size (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.009) and muscle atrophy (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.001) with GFC\u2009\u2265\u20092\u00b0 but not with clinical outcomes. GFC\u2009\u2265\u20092\u00b0 was strongly related to lateral THA exposures (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001). Surgical approach had no impact on clinical outcomes.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>While fatty degeneration can negatively impact functional outcomes, pain relief is reliably achieved. Tear morphology and muscle atrophy did not correlate with outcomes in this patient cohort. Patients should be counseled to expect a residual limp after surgery if they have GFC\u2009\u2265\u20092\u00b0 on MRI.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00402-021-03787-2","type":"journal-article","created":{"date-parts":[[2021,3,2]],"date-time":"2021-03-02T00:40:28Z","timestamp":1614645628000},"page":"2173-2183","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Impact of fatty degeneration on the functional outcomes of 38 patients undergoing surgical repair of gluteal tendon tears"],"prefix":"10.1007","volume":"142","author":[{"given":"Alexander","family":"Maslaris","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas P.","family":"Vail","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alan L.","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rina","family":"Patel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefano A.","family":"Bini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,3,2]]},"reference":[{"key":"3787_CR1","doi-asserted-by":"publisher","first-page":"411","DOI":"10.1016\/J.JBSPIN.2006.01.021","volume":"73","author":"G Cormier","year":"2006","unstructured":"Cormier G, Berthelot J-M, Maugars Y (2006) Gluteus tendon rupture is underrecognized by French orthopedic surgeons: results of a mail survey. Jt Bone Spine 73:411\u2013413. https:\/\/doi.org\/10.1016\/J.JBSPIN.2006.01.021","journal-title":"Jt Bone Spine"},{"key":"3787_CR2","doi-asserted-by":"publisher","first-page":"29","DOI":"10.1051\/sicotj\/2016020","volume":"2","author":"H Caviglia","year":"2016","unstructured":"Caviglia H, Cambiaggi G, Vattani N et al (2016) Lesion of the hip abductor mechanism. SICOT-J 2:29. https:\/\/doi.org\/10.1051\/sicotj\/2016020","journal-title":"SICOT-J"},{"key":"3787_CR3","doi-asserted-by":"publisher","first-page":"23","DOI":"10.1007\/s15002-017-1127-1","volume":"20","author":"N Harrasser","year":"2017","unstructured":"Harrasser N, Banke I, Prodinger P et al (2017) \u201cGluteale Insuuzienz\u201d: Was dahinter steckt und wie man helfen kann. Orthop\u00e4die & Rheuma 20:23\u201326","journal-title":"Orthop\u00e4die & Rheuma"},{"key":"3787_CR4","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2353040403","author":"CWA Pfirrmann","year":"2005","unstructured":"Pfirrmann CWA, Notzli HP, Dora C et al (2005) Abductor tendons and muscles assessed at MR imaging after total hip arthroplasty in asymptomatic and symptomatic patients. Radiology. https:\/\/doi.org\/10.1148\/radiol.2353040403","journal-title":"Radiology"},{"key":"3787_CR5","doi-asserted-by":"publisher","first-page":"849","DOI":"10.1016\/j.otsr.2014.08.004","volume":"100","author":"KG Makridis","year":"2014","unstructured":"Makridis KG, Lequesne M, Bard H, Djian P (2014) Clinical and MRI results in 67 patients operated for gluteus medius and minimus tendon tears with a median follow-up of 4.6 years. Orthop Traumatol Surg Res 100:849\u2013853. https:\/\/doi.org\/10.1016\/j.otsr.2014.08.004","journal-title":"Orthop Traumatol Surg Res"},{"key":"3787_CR6","doi-asserted-by":"publisher","first-page":"1816","DOI":"10.1016\/j.arthro.2018.01.005","volume":"34","author":"M Thaunat","year":"2018","unstructured":"Thaunat M, Clowez G, Desseaux A et al (2018) Influence of muscle fatty degeneration on functional outcomes after endoscopic gluteus medius repair. Arthroscopy 34:1816\u20131824. https:\/\/doi.org\/10.1016\/j.arthro.2018.01.005","journal-title":"Arthroscopy"},{"key":"3787_CR7","doi-asserted-by":"publisher","first-page":"149","DOI":"10.1016\/j.arth.2013.04.045","volume":"29","author":"F Engelken","year":"2014","unstructured":"Engelken F, Wassilew GI, K\u00f6hlitz T et al (2014) Assessment of fatty degeneration of the gluteal muscles in patients with THA using MRI: reliability and accuracy of the goutallier and quartile classification systems. J Arthroplasty 29:149\u2013153. https:\/\/doi.org\/10.1016\/j.arth.2013.04.045","journal-title":"J Arthroplasty"},{"key":"3787_CR8","doi-asserted-by":"publisher","first-page":"1619","DOI":"10.1007\/s00402-012-1573-9","volume":"132","author":"J Hendry","year":"2012","unstructured":"Hendry J, Biant LC, Breusch SJ (2012) Abductor mechanism tears in primary total hip arthroplasty. Arch Orthop Trauma Surg 132:1619\u20131623. https:\/\/doi.org\/10.1007\/s00402-012-1573-9","journal-title":"Arch Orthop Trauma Surg"},{"key":"3787_CR9","doi-asserted-by":"publisher","DOI":"10.1080\/00913847.2018.1527172","author":"C LaPorte","year":"2018","unstructured":"LaPorte C, Vasaris M, Gossett L et al (2018) Gluteus medius tears of the hip: a comprehensive approach. Phys Sportsmed. https:\/\/doi.org\/10.1080\/00913847.2018.1527172","journal-title":"Phys Sportsmed"},{"key":"3787_CR10","doi-asserted-by":"publisher","first-page":"233","DOI":"10.1016\/j.arth.2005.03.041","volume":"21","author":"R Iorio","year":"2006","unstructured":"Iorio R, Healy WL, Warren PD, Appleby D (2006) Lateral trochanteric pain following primary total hip arthroplasty. J Arthroplasty 21:233\u2013236. https:\/\/doi.org\/10.1016\/j.arth.2005.03.041","journal-title":"J Arthroplasty"},{"key":"3787_CR11","doi-asserted-by":"publisher","first-page":"1410","DOI":"10.1016\/j.arthro.2012.03.002","volume":"28","author":"J Dishkin-Paset","year":"2012","unstructured":"Dishkin-Paset J, Salata M, Gross C et al (2012) A biomechanical comparison of repair techniques for complete gluteus medius tears. Arthroscopy 28:1410\u20131416. https:\/\/doi.org\/10.1016\/j.arthro.2012.03.002","journal-title":"Arthroscopy"},{"key":"3787_CR12","doi-asserted-by":"publisher","first-page":"1668","DOI":"10.1177\/0363546518759033","volume":"46","author":"JG Putnam","year":"2018","unstructured":"Putnam JG, Chhabra A, Casta\u00f1eda P et al (2018) Does greater trochanter decortication affect suture anchor pullout strength in abductor tendon repairs? A biomechanical study. Am J Sports Med 46:1668\u20131673. https:\/\/doi.org\/10.1177\/0363546518759033","journal-title":"Am J Sports Med"},{"key":"3787_CR13","doi-asserted-by":"publisher","first-page":"1618","DOI":"10.1302\/0301-620X.96B12","volume":"96","author":"P Von Roth","year":"2014","unstructured":"Von Roth P, Abdel MP, Wauer F et al (2014) Significant muscle damage after multiple revision total hip replacements through the direct lateral approach. Bone Jt J 96:1618\u20131622. https:\/\/doi.org\/10.1302\/0301-620X.96B12","journal-title":"Bone Jt J"},{"key":"3787_CR14","doi-asserted-by":"publisher","first-page":"46","DOI":"10.1097\/00003086-200212000-00006","volume":"405","author":"J Masonis","year":"2002","unstructured":"Masonis J, Bourne R (2002) Surgical approach, abductor function, and total hip arthroplasty dislocation. Clin Orthop Relat Res 405:46\u201353","journal-title":"Clin Orthop Relat Res"},{"key":"3787_CR15","doi-asserted-by":"publisher","first-page":"47","DOI":"10.1302\/0301-620X.71B1.2915004","volume":"71","author":"AS Baker","year":"1989","unstructured":"Baker AS, Bitounis VC (1989) Abductor function after total hip replacement. An electromyographic and clinical review. J Bone Jt Surg Br 71:47\u201350","journal-title":"J Bone Jt Surg Br"},{"key":"3787_CR16","doi-asserted-by":"publisher","first-page":"1198","DOI":"10.1016\/J.ARTH.2006.11.013","volume":"22","author":"T Khan","year":"2007","unstructured":"Khan T, Knowles D (2007) Damage to the superior gluteal nerve during the direct lateral approach to the hip: a cadaveric study. J Arthroplasty 22:1198\u20131200. https:\/\/doi.org\/10.1016\/J.ARTH.2006.11.013","journal-title":"J Arthroplasty"},{"key":"3787_CR17","doi-asserted-by":"publisher","first-page":"1103","DOI":"10.2106\/JBJS.F.01201","volume":"89","author":"DA Fisher","year":"2007","unstructured":"Fisher DA, Almand JD, Watts MR (2007) Operative repair of bilateral spontaneous gluteus medius and minimus tendon ruptures. J Bone Jt Surg 89:1103\u20131107. https:\/\/doi.org\/10.2106\/JBJS.F.01201","journal-title":"J Bone Jt Surg"},{"key":"3787_CR18","doi-asserted-by":"publisher","DOI":"10.5301\/HIP.2011.8414","author":"AS Bajwa","year":"2011","unstructured":"Bajwa AS, Middleton F, Campbell DG et al (2011) Gluteal tendon reconstruction in association with hip arthroplasty. HIP Int. https:\/\/doi.org\/10.5301\/HIP.2011.8414","journal-title":"HIP Int"},{"key":"3787_CR19","doi-asserted-by":"publisher","first-page":"57","DOI":"10.1016\/S0883-5403(06)80010-0","volume":"5","author":"O Svensson","year":"1990","unstructured":"Svensson O, Sk\u00f6ld S, Blomgren G (1990) Integrity of the gluteus medius after the transgluteal approach in total hip arthroplasty. J Arthroplasty 5:57\u201360","journal-title":"J Arthroplasty"},{"key":"3787_CR20","doi-asserted-by":"publisher","first-page":"23","DOI":"10.1007\/s00064-011-0073-3","volume":"24","author":"B Fink","year":"2012","unstructured":"Fink B (2012) Rekonstruktion chronischer Glutaeus-medius-Rupturen unter Verwendung eines nichtresorbierbaren Patchs. Oper Orthop Traumatol 24:23\u201331. https:\/\/doi.org\/10.1007\/s00064-011-0073-3","journal-title":"Oper Orthop Traumatol"},{"key":"3787_CR21","doi-asserted-by":"publisher","first-page":"555","DOI":"10.1016\/j.arth.2017.08.045","volume":"33","author":"B Fink","year":"2018","unstructured":"Fink B, Braun L (2018) Treatment of extensive gluteus muscle tears with transosseous fixation and a nonresorbable collagen patch. J Arthroplasty 33:555\u2013559. https:\/\/doi.org\/10.1016\/j.arth.2017.08.045","journal-title":"J Arthroplasty"},{"key":"3787_CR22","doi-asserted-by":"publisher","first-page":"2049","DOI":"10.1007\/s00264-012-1630-6","volume":"36","author":"BM Rao","year":"2012","unstructured":"Rao BM, Kamal TT, Vafaye J, Taylor L (2012) Surgical repair of hip abductors. A new technique using Graft Jacket allograft acellular human dermal matrix. Int Orthop 36:2049\u20132053. https:\/\/doi.org\/10.1007\/s00264-012-1630-6","journal-title":"Int Orthop"},{"key":"3787_CR23","doi-asserted-by":"publisher","first-page":"832","DOI":"10.1016\/j.arthro.2017.09.032","volume":"34","author":"B Saltzman","year":"2018","unstructured":"Saltzman B, Ukwuani G, Makhni E et al (2018) The effect of platelet-rich fibrin matrix at the time of gluteus medius repair: a retrospective comparative study. Arthroscopy 34:832\u2013841. https:\/\/doi.org\/10.1016\/j.arthro.2017.09.032","journal-title":"Arthroscopy"},{"key":"3787_CR24","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.I.01011","author":"MN Fehm","year":"2010","unstructured":"Fehm MN, Huddleston JI, Burke DW et al (2010) Repair of a deficient abductor mechanism with achilles tendon allograft after total hip replacement. J Bone Jt Surg Ser A. https:\/\/doi.org\/10.2106\/JBJS.I.01011","journal-title":"J Bone Jt Surg Ser A"},{"key":"3787_CR25","doi-asserted-by":"publisher","first-page":"503","DOI":"10.1007\/s11999-011-1975-y","volume":"470","author":"LA Whiteside","year":"2012","unstructured":"Whiteside LA (2012) Surgical technique: transfer of the anterior portion of the gluteus maximus muscle for abductor deficiency of the hip. Clin Orthop Relat Res 470:503\u2013510. https:\/\/doi.org\/10.1007\/s11999-011-1975-y","journal-title":"Clin Orthop Relat Res"},{"key":"3787_CR26","doi-asserted-by":"publisher","DOI":"10.5301\/hipint.5000099","author":"K Wang","year":"2014","unstructured":"Wang K, Cole S, White DC, Armstrong MS (2014) Vastus lateralis transfer for severe hip abductor deficiency: a salvage procedure. HIP Int. https:\/\/doi.org\/10.5301\/hipint.5000099","journal-title":"HIP Int"},{"key":"3787_CR27","doi-asserted-by":"publisher","first-page":"1050","DOI":"10.1302\/0301-620X.97B8.35641","volume":"97-B","author":"M Drexler","year":"2015","unstructured":"Drexler M, Abolghasemian M, Kuzyk PR et al (2015) Reconstruction of chronic abductor deficiency after revision hip arthroplasty using an extensor mechanism allograft. Bone Jt J 97-B:1050\u20131055. https:\/\/doi.org\/10.1302\/0301-620X.97B8.35641","journal-title":"Bone Jt J"},{"key":"3787_CR28","doi-asserted-by":"publisher","first-page":"476","DOI":"10.1016\/j.arth.2003.11.014","volume":"19","author":"M Beck","year":"2004","unstructured":"Beck M, Leunig M, Ellis T, Ganz R (2004) Advancement of the vastus lateralis muscle for the treatment of hip abductor discontinuity. J Arthroplasty 19:476\u2013480. https:\/\/doi.org\/10.1016\/j.arth.2003.11.014","journal-title":"J Arthroplasty"},{"key":"3787_CR29","first-page":"337","volume":"78","author":"M Betz","year":"2012","unstructured":"Betz M, Zingg PO, Peirrmann CW, Dora C (2012) Advancement of the vastus lateralis muscle for irreparable hip abductor tears: clinical and morphological results. Acta Orthop Belg 78:337\u2013343","journal-title":"Acta Orthop Belg"},{"key":"3787_CR30","doi-asserted-by":"publisher","first-page":"625","DOI":"10.1016\/j.arth.2011.06.034","volume":"27","author":"S Kohl","year":"2012","unstructured":"Kohl S, Evangelopoulos DS, Siebenrock KA, Beck M (2012) Hip abductor defect repair by means of a vastus lateralis muscle shift. J Arthroplasty 27:625\u2013629. https:\/\/doi.org\/10.1016\/j.arth.2011.06.034","journal-title":"J Arthroplasty"},{"key":"3787_CR31","doi-asserted-by":"publisher","first-page":"1052","DOI":"10.1016\/j.arth.2013.09.056","volume":"29","author":"M Drexler","year":"2014","unstructured":"Drexler M, Dwyer T, Kosashvili Y et al (2014) Acetabular cup revision combined with tensor facia lata reconstruction for management of massive abductor avulsion after failed total hip arthroplasty. J Arthroplasty 29:1052\u20131057. https:\/\/doi.org\/10.1016\/j.arth.2013.09.056","journal-title":"J Arthroplasty"},{"key":"3787_CR32","doi-asserted-by":"publisher","first-page":"645","DOI":"10.1007\/s11999-013-3161-x","volume":"472","author":"LA Whiteside","year":"2014","unstructured":"Whiteside LA (2014) Surgical technique: Gluteus maximus and tensor fascia lata transfer for primary deficiency of the abductors of the hip. Clin Orthop Relat Res 472:645\u2013653. https:\/\/doi.org\/10.1007\/s11999-013-3161-x","journal-title":"Clin Orthop Relat Res"},{"key":"3787_CR33","doi-asserted-by":"publisher","first-page":"203","DOI":"10.1097\/01.blo.0000246538.75123.db","volume":"453","author":"LA Whiteside","year":"2006","unstructured":"Whiteside LA, Nayfeh T, Katerberg BJ (2006) Gluteus maximus flap transfer for greater trochanter reconstruction in revision THA. Clin Orthop Relat Res 453:203\u2013210. https:\/\/doi.org\/10.1097\/01.blo.0000246538.75123.db","journal-title":"Clin Orthop Relat Res"},{"key":"3787_CR34","doi-asserted-by":"publisher","first-page":"1514","DOI":"10.1016\/j.arth.2011.03.004","volume":"26","author":"MJ Walsh","year":"2011","unstructured":"Walsh MJ, Walton JR, Walsh NA (2011) Surgical repair of the gluteal tendons: a report of 72 cases. J Arthroplasty 26:1514\u20131519. https:\/\/doi.org\/10.1016\/j.arth.2011.03.004","journal-title":"J Arthroplasty"},{"key":"3787_CR35","doi-asserted-by":"publisher","first-page":"450","DOI":"10.1016\/j.arth.2008.12.010","volume":"25","author":"HH Miozzari","year":"2010","unstructured":"Miozzari HH, Dora C, Clark JM, N\u00f6tzli HP (2010) Late repair of abductor avulsion after the transgluteal approach for hip arthroplasty. J Arthroplasty 25:450-457.e1. https:\/\/doi.org\/10.1016\/j.arth.2008.12.010","journal-title":"J Arthroplasty"},{"key":"3787_CR36","doi-asserted-by":"publisher","first-page":"372","DOI":"10.1177\/112070000901900412","volume":"19","author":"H Davies","year":"2009","unstructured":"Davies H, Zhaeentan S, Tavakkolizadeh A, Janes G (2009) Surgical repair of chronic tears of the hip abductor mechanism. Hip Int 19:372\u2013376","journal-title":"Hip Int"},{"key":"3787_CR37","doi-asserted-by":"publisher","first-page":"458","DOI":"10.1016\/j.jbspin.2007.12.004","volume":"75","author":"M Lequesne","year":"2008","unstructured":"Lequesne M, Djian P, Vuillemin V, Mathieu P (2008) Prospective study of refractory greater trochanter pain syndrome. MRI findings of gluteal tendon tears seen at surgery. Clinical and MRI results of tendon repair. Jt Bone Spine 75:458\u2013464. https:\/\/doi.org\/10.1016\/j.jbspin.2007.12.004","journal-title":"Jt Bone Spine"},{"key":"3787_CR38","doi-asserted-by":"publisher","first-page":"694","DOI":"10.1016\/j.arth.2007.08.018","volume":"23","author":"A L\u00fcbbeke","year":"2008","unstructured":"L\u00fcbbeke A, Kampfen S, Stern R, Hoffmeyer P (2008) Results of surgical repair of abductor avulsion after primary total hip arthroplasty. J Arthroplasty 23:694\u2013698. https:\/\/doi.org\/10.1016\/j.arth.2007.08.018","journal-title":"J Arthroplasty"},{"key":"3787_CR39","doi-asserted-by":"publisher","first-page":"238","DOI":"10.1007\/s00132-017-3524-1","volume":"47","author":"C Perka","year":"2018","unstructured":"Perka C, Sch\u00fctz M, Schr\u00f6der JH et al (2018) Offene refixation von gluteus medius und minimus in double-row-technikopen repair of gluteus medius and minimus tendons tears with double-row technique. Orthopade 47:238\u2013245. https:\/\/doi.org\/10.1007\/s00132-017-3524-1","journal-title":"Orthopade"},{"key":"3787_CR40","doi-asserted-by":"publisher","first-page":"187","DOI":"10.5301\/hipint.5000093","volume":"24","author":"TA Bucher","year":"2014","unstructured":"Bucher TA, Darcy P, Ebert JR et al (2014) Gluteal tendon repair augmented with a synthetic ligament: surgical technique and a case series. HIP Int 24:187\u2013193. https:\/\/doi.org\/10.5301\/hipint.5000093","journal-title":"HIP Int"},{"key":"3787_CR41","doi-asserted-by":"publisher","first-page":"1420","DOI":"10.2106\/JBJS.L.00709","volume":"95","author":"JF Davies","year":"2013","unstructured":"Davies JF, Stiehl JB, Davies JA, Geiger PB (2013) Surgical treatment of hip abductor tendon tears. J Bone Jt Surg Am 95:1420\u20131425. https:\/\/doi.org\/10.2106\/JBJS.L.00709","journal-title":"J Bone Jt Surg Am"},{"key":"3787_CR42","doi-asserted-by":"publisher","first-page":"84","DOI":"10.1177\/2151458512441795","volume":"3","author":"MC Stanton","year":"2012","unstructured":"Stanton MC, Maloney MD, Dehaven KE, Giordano BD (2012) Acute traumatic tear of gluteus medius and minimus tendons in a patient without antecedant peritrochanteric hip pain. Geriatr Orthop Surg Rehabil 3:84\u201388. https:\/\/doi.org\/10.1177\/2151458512441795","journal-title":"Geriatr Orthop Surg Rehabil"},{"key":"3787_CR43","doi-asserted-by":"publisher","first-page":"139","DOI":"10.1055\/s-2003-37768","volume":"128","author":"A Schuh","year":"2003","unstructured":"Schuh A, Zeiler G (2003) Die Ruptur der Sehne des Musculus glutaeus medius. Zentralbl Chir 128:139\u2013143. https:\/\/doi.org\/10.1055\/s-2003-37768","journal-title":"Zentralbl Chir"},{"key":"3787_CR44","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199911000-00016","author":"A Kagan","year":"1999","unstructured":"Kagan A (1999) Rotator cuff tears of the hip. Clin Orthop Relat Res. https:\/\/doi.org\/10.1097\/00003086-199911000-00016","journal-title":"Clin Orthop Relat Res"},{"key":"3787_CR45","doi-asserted-by":"publisher","first-page":"293","DOI":"10.5301\/HIP.2011.8400","volume":"21","author":"S Rajkumar","year":"2011","unstructured":"Rajkumar S, Singer GC, Jones JR (2011) Results following repair of gluteus medius defects following total hip arthroplasty. Hip Int 21:293\u2013298. https:\/\/doi.org\/10.5301\/HIP.2011.8400","journal-title":"Hip Int"},{"key":"3787_CR46","doi-asserted-by":"publisher","first-page":"1340","DOI":"10.2106\/JBJS.N.01229","volume":"97","author":"S Chandrasekaran","year":"2015","unstructured":"Chandrasekaran S, Gui C, Hutchinson MR et al (2015) Outcomes of endoscopic gluteus medius repair. J Bone Jt Surg Am 97:1340\u20131347. https:\/\/doi.org\/10.2106\/JBJS.N.01229","journal-title":"J Bone Jt Surg Am"},{"key":"3787_CR47","doi-asserted-by":"publisher","first-page":"e77","DOI":"10.1016\/j.eats.2012.11.005","volume":"2","author":"BG Domb","year":"2013","unstructured":"Domb BG, Carreira DS (2013) Endoscopic repair of full-thickness gluteus medius tears. Arthrosc Tech 2:e77\u2013e81. https:\/\/doi.org\/10.1016\/j.eats.2012.11.005","journal-title":"Arthrosc Tech"},{"key":"3787_CR48","doi-asserted-by":"publisher","first-page":"1941","DOI":"10.1016\/j.arthro.2013.08.024","volume":"29","author":"F McCormick","year":"2013","unstructured":"McCormick F, Alpaugh K, Nwachukwu B et al (2013) Endoscopic repair of full-thickness abductor tendon tears: surgical technique and outcome at minimum of 1-year follow-up. Arthroscopy 29:1941\u20131947. https:\/\/doi.org\/10.1016\/j.arthro.2013.08.024","journal-title":"Arthroscopy"},{"key":"3787_CR49","doi-asserted-by":"publisher","first-page":"2159","DOI":"10.1016\/j.arthro.2017.06.032","volume":"33","author":"I Perets","year":"2017","unstructured":"Perets I, Mansor Y, Yuen L et al (2017) Endoscopic gluteus medius repair with concomitant arthroscopy for labral tears: a case series with minimum 5-year outcomes. Arthroscopy 33:2159\u20132167. https:\/\/doi.org\/10.1016\/j.arthro.2017.06.032","journal-title":"Arthroscopy"},{"key":"3787_CR50","doi-asserted-by":"publisher","first-page":"853","DOI":"10.1016\/j.otsr.2013.06.005","volume":"99","author":"M Thaunat","year":"2013","unstructured":"Thaunat M, Chatellard R, No\u00ebl E et al (2013) Endoscopic repair of partial-thickness undersurface tears of the gluteus medius tendon. Orthop Traumatol Surg Res 99:853\u2013857. https:\/\/doi.org\/10.1016\/j.otsr.2013.06.005","journal-title":"Orthop Traumatol Surg Res"},{"key":"3787_CR51","doi-asserted-by":"publisher","first-page":"743","DOI":"10.1177\/0363546508328412","volume":"37","author":"JE Voos","year":"2009","unstructured":"Voos JE, Shindle MK, Pruett A et al (2009) Endoscopic repair of gluteus medius tendon tears of the hip. Am J Sports Med 37:743\u2013747. https:\/\/doi.org\/10.1177\/0363546508328412","journal-title":"Am J Sports Med"},{"key":"3787_CR52","doi-asserted-by":"publisher","first-page":"e69","DOI":"10.1016\/j.eats.2012.11.004","volume":"2","author":"AB Yanke","year":"2013","unstructured":"Yanke AB, Hart MA, McCormick F, Nho SJ (2013) Endoscopic repair of a gluteus medius tear at the musculotendinous junction. Arthrosc Tech 2:e69-72. https:\/\/doi.org\/10.1016\/j.eats.2012.11.004","journal-title":"Arthrosc Tech"},{"key":"3787_CR53","doi-asserted-by":"publisher","first-page":"1193","DOI":"10.1016\/j.arthro.2017.10.022","volume":"34","author":"D Hartigan","year":"2018","unstructured":"Hartigan D, Perets I, Ho S et al (2018) Endoscopic repair of partial-thickness undersurface tears of the abductor tendon: clinical outcomes with minimum 2-year follow-up. Arthroscopy 34:1193\u20131199. https:\/\/doi.org\/10.1016\/j.arthro.2017.10.022","journal-title":"Arthroscopy"},{"key":"3787_CR54","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2020.03.013","author":"A Maslaris","year":"2020","unstructured":"Maslaris A, Vail TP, Zhang AL et al (2020) Equivalent mid-term results of open vs endoscopic gluteal tendon tear repair using suture anchors in forty-five patients. J Arthroplasty. https:\/\/doi.org\/10.1016\/j.arth.2020.03.013","journal-title":"J Arthroplasty"},{"key":"3787_CR55","doi-asserted-by":"publisher","first-page":"599","DOI":"10.1016\/S1058-2746(99)90097-6","volume":"8","author":"B Fuchs","year":"1999","unstructured":"Fuchs B, Weishaupt D, Zanetti M et al (1999) Fatty degeneration of the muscles of the rotator cuff: assessment by computed tomography versus magnetic resonance imaging. J Shoulder Elb Surg 8:599\u2013605. https:\/\/doi.org\/10.1016\/S1058-2746(99)90097-6","journal-title":"J Shoulder Elb Surg"},{"key":"3787_CR56","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-015-4630-1","author":"JS Somerson","year":"1999","unstructured":"Somerson JS, Hsu JE, Gorbaty JD, Gee AO (1999) IN BRIEF classifications in brief: goutallier classification of fatty infiltration of the rotator cuff musculature. Clin Orthop Relat Res. https:\/\/doi.org\/10.1007\/s11999-015-4630-1","journal-title":"Clin Orthop Relat Res"},{"key":"3787_CR57","first-page":"179","volume":"166","author":"F Gottschalk","year":"1989","unstructured":"Gottschalk F, Leveau B (1989) The functional anatomy of tensor fasciae latae and gluteus medius and minimus. J Anat 166:179\u2013189","journal-title":"J Anat"},{"key":"3787_CR58","doi-asserted-by":"publisher","first-page":"137","DOI":"10.2214\/ajr.182.1.1820137","volume":"182","author":"O Cvitanic","year":"2004","unstructured":"Cvitanic O, Henzie G, Skezas N et al (2004) MRI diagnosis of tears of the hip abductor tendons (gluteus medius and gluteus minimus). AJR Am J Roentgenol 182:137\u2013143. https:\/\/doi.org\/10.2214\/ajr.182.1.1820137","journal-title":"AJR Am J Roentgenol"},{"key":"3787_CR59","doi-asserted-by":"publisher","first-page":"1727","DOI":"10.1007\/s00256-015-2220-7","volume":"44","author":"AS Chi","year":"2015","unstructured":"Chi AS, Long SS, Zoga AC et al (2015) Prevalence and pattern of gluteus medius and minimus tendon pathology and muscle atrophy in older individuals using MRI. Skeletal Radiol 44:1727\u20131733. https:\/\/doi.org\/10.1007\/s00256-015-2220-7","journal-title":"Skeletal Radiol"},{"key":"3787_CR60","doi-asserted-by":"publisher","first-page":"46","DOI":"10.1080\/03009740310000409","volume":"32","author":"M Kl\u00e4ssbo","year":"2003","unstructured":"Kl\u00e4ssbo M, Larsson E, Mannevik E (2003) Hip disability and osteoarthritis outcome score. An extension of the Western Ontario and McMaster Universities Osteoarthritis Index. Scand J Rheumatol 32:46\u201351","journal-title":"Scand J Rheumatol"},{"key":"3787_CR61","doi-asserted-by":"publisher","first-page":"737","DOI":"10.2106\/00004623-196951040-00012","volume":"51","author":"WH Harris","year":"1969","unstructured":"Harris WH (1969) Traumatic arthritis of the hip after dislocation and acetabular fractures: treatment by mold arthroplasty. An end-result study using a new method of result evaluation. J Bone Jt Surg Am 51:737\u2013755","journal-title":"J Bone Jt Surg Am"},{"key":"3787_CR62","doi-asserted-by":"publisher","first-page":"18","DOI":"10.1002\/mus.22219","volume":"45","author":"G Hermans","year":"2012","unstructured":"Hermans G, Clerckx B, Vanhullebusch T et al (2012) Interobserver agreement of medical research council sum-score and handgrip strength in the intensive care unit. Muscle Nerve 45:18\u201325. https:\/\/doi.org\/10.1002\/mus.22219","journal-title":"Muscle Nerve"},{"key":"3787_CR63","doi-asserted-by":"publisher","first-page":"15","DOI":"10.5301\/hipint.5000183","volume":"25","author":"JR Ebert","year":"2015","unstructured":"Ebert JR, Bucher TA, Ball SV, Janes GC (2015) A review of surgical repair methods and patient outcomes for gluteal tendon tears. HIP Int 25:15\u201323. https:\/\/doi.org\/10.5301\/hipint.5000183","journal-title":"HIP Int"},{"key":"3787_CR64","doi-asserted-by":"publisher","first-page":"988","DOI":"10.1177\/0363546513481575","volume":"41","author":"BG Domb","year":"2013","unstructured":"Domb BG, Botser I, Giordano BD (2013) Outcomes of endoscopic gluteus medius repair with minimum 2-year follow-up. Am J Sports Med 41:988\u2013997. https:\/\/doi.org\/10.1177\/0363546513481575","journal-title":"Am J Sports Med"},{"key":"3787_CR65","doi-asserted-by":"publisher","first-page":"182","DOI":"10.1007\/S002640050342","volume":"23","author":"T Ozaki","year":"1999","unstructured":"Ozaki T, Kaneko S, Kunisada T et al (1999) Reconstruction of the hip abductors after resection of the proximal femur. Int Orthop 23:182\u2013183. https:\/\/doi.org\/10.1007\/S002640050342","journal-title":"Int Orthop"},{"key":"3787_CR66","doi-asserted-by":"publisher","first-page":"e1255","DOI":"10.1016\/j.eats.2019.06.016","volume":"8","author":"S Suppauksorn","year":"2019","unstructured":"Suppauksorn S, Nwachukwu BU, Beck EC et al (2019) Superior gluteal reconstruction for severe hip abductor deficiency. Arthrosc Tech 8:e1255\u2013e1261. https:\/\/doi.org\/10.1016\/j.eats.2019.06.016","journal-title":"Arthrosc Tech"},{"key":"3787_CR67","doi-asserted-by":"publisher","first-page":"979","DOI":"10.1302\/0301-620X.81B6.0810979","volume":"81","author":"P Kenny","year":"1999","unstructured":"Kenny P, O\u2019Brien CP, Synnott K, Walsh MG (1999) Damage to the superior gluteal nerve after two different approaches to the hip. J Bone Jt Surg Br 81:979\u2013981","journal-title":"J Bone Jt Surg Br"},{"key":"3787_CR68","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X78B6.1289","author":"M Ramesh","year":"1996","unstructured":"Ramesh M, O\u2019Byrne J, McCarthy N et al (1996) Damage to the superior gluteal nerve after the hardinge approach to the hip. J Bone Jt Surg Br. https:\/\/doi.org\/10.1302\/0301-620X78B6.1289","journal-title":"J Bone Jt Surg Br"},{"key":"3787_CR69","doi-asserted-by":"publisher","first-page":"214","DOI":"10.2106\/00004623-197860020-00013","volume":"60","author":"H Amstutz","year":"1978","unstructured":"Amstutz H, Maki S (1978) Complications of trochanteric osteotomy in total hip replacement. J Bone Jt Surg Am 60:214\u2013216","journal-title":"J Bone Jt Surg Am"},{"key":"3787_CR70","doi-asserted-by":"publisher","first-page":"618","DOI":"10.1302\/0301-620X.79B4.7033","volume":"79","author":"T Bunker","year":"1997","unstructured":"Bunker T, Esler C, Leach W (1997) Rotator-cuff tear of the hip. J Bone Jt Surg Br 79:618\u2013620. https:\/\/doi.org\/10.1302\/0301-620X.79B4.7033","journal-title":"J Bone Jt Surg Br"},{"key":"3787_CR71","doi-asserted-by":"publisher","first-page":"78","DOI":"10.1097\/00003086-199407000-00014","volume":"304","author":"D Goutallier","year":"1994","unstructured":"Goutallier D, Postel J, Bernageau J et al (1994) Fatty muscle degeneration in cuff ruptures. Pre- and postoperative evaluation by CT scan. Clin Orthop Relat Res 304:78\u201383. https:\/\/doi.org\/10.1097\/00003086-199407000-00014","journal-title":"Clin Orthop Relat Res"},{"key":"3787_CR72","doi-asserted-by":"publisher","first-page":"18","DOI":"10.1016\/j.jse.2011.12.014","volume":"22","author":"JJ Barry","year":"2013","unstructured":"Barry JJ, Lansdown DA, Cheung S et al (2013) The relationship between tear severity, fatty infiltration, and muscle atrophy in the supraspinatus. J Shoulder Elb Surg 22:18\u201325. https:\/\/doi.org\/10.1016\/j.jse.2011.12.014","journal-title":"J Shoulder Elb Surg"},{"key":"3787_CR73","doi-asserted-by":"publisher","first-page":"613","DOI":"10.5435\/JAAOS-21-10-613","volume":"21","author":"BR Kuzel","year":"2013","unstructured":"Kuzel BR, Grindel S, Papandrea R, Ziegler D (2013) Fatty infiltration and rotator cuff atrophy. J Am Acad Orthop Surg 21:613\u2013623. https:\/\/doi.org\/10.5435\/JAAOS-21-10-613","journal-title":"J Am Acad Orthop Surg"},{"key":"3787_CR74","doi-asserted-by":"publisher","first-page":"566","DOI":"10.1016\/j.pain.2010.11.023","volume":"152","author":"V Wylde","year":"2011","unstructured":"Wylde V, Hewlett S, Learmonth ID, Dieppe P (2011) Persistent pain after joint replacement: prevalence, sensory qualities, and postoperative determinants. Pain 152:566\u2013572. https:\/\/doi.org\/10.1016\/j.pain.2010.11.023","journal-title":"Pain"},{"key":"3787_CR75","doi-asserted-by":"publisher","first-page":"70","DOI":"10.1302\/0301-620X.95B11.32948","volume":"95-B","author":"BA Lanting","year":"2013","unstructured":"Lanting BA, MacDonald SJ (2013) The painful total hip replacement: diagnosis and deliverance. Bone Jt J 95-B:70\u201373. https:\/\/doi.org\/10.1302\/0301-620X.95B11.32948","journal-title":"Bone Jt J"},{"key":"3787_CR76","doi-asserted-by":"publisher","first-page":"124","DOI":"10.1016\/j.surge.2010.08.014","volume":"9","author":"CT Edmunds","year":"2011","unstructured":"Edmunds CT, Boscainos PJ (2011) Effect of surgical approach for total hip replacement on hip function using Harris Hip scores and Trendelenburg\u2019s test. A retrospective analysis. Surg 9:124\u2013129. https:\/\/doi.org\/10.1016\/j.surge.2010.08.014","journal-title":"Surg"},{"key":"3787_CR77","doi-asserted-by":"publisher","first-page":"177","DOI":"10.2106\/JBJS.18.00602","volume":"101","author":"M Tsutsumi","year":"2019","unstructured":"Tsutsumi M, Nimura A, Akita K (2019) The gluteus medius tendon and its insertion sites: an anatomical study with possible implications for gluteus medius tears. J Bone Jt Surg Am 101:177\u2013184. https:\/\/doi.org\/10.2106\/JBJS.18.00602","journal-title":"J Bone Jt Surg Am"}],"container-title":["Archives of Orthopaedic and Trauma Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00402-021-03787-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00402-021-03787-2\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00402-021-03787-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,8,16]],"date-time":"2022-08-16T11:06:19Z","timestamp":1660647979000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00402-021-03787-2"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,3,2]]},"references-count":77,"journal-issue":{"issue":"9","published-online":{"date-parts":[[2022,9]]}},"alternative-id":["3787"],"URL":"https:\/\/doi.org\/10.1007\/s00402-021-03787-2","relation":{},"ISSN":["1434-3916"],"issn-type":[{"value":"1434-3916","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,3,2]]},"assertion":[{"value":"20 August 2020","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"15 October 2020","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"2 March 2021","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"24 May 2021","order":4,"name":"change_date","label":"Change Date","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"Update","order":5,"name":"change_type","label":"Change Type","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"OA funding note is missing. Funding note should be Open Access funding enabled and organized by Projekt DEAL.","order":6,"name":"change_details","label":"Change Details","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"SAB: Stryker, Johnston and Johnston, Zimmer Biomet, InSilicoTrials.com, Journal of Arthroplasty, Arthroplasty Today, Sira Medical.com. TV: Depuy, Hyalex. ALZ: Stryker.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The study was approved by the appropriate institutional research ethics committee of the University of California San Francisco\u2014Human Research Protection Program (UCSF\u2014HRPP) and was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"Informed consent was obtained from all individual participants included in the study.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}