{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T18:14:33Z","timestamp":1793297673284,"version":"4.5.0"},"reference-count":39,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T00:00:00Z","timestamp":1701388800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T00:00:00Z","timestamp":1701388800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2023,9,19]],"date-time":"2023-09-19T00:00:00Z","timestamp":1695081600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","thekneejournal.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["The Knee"],"published-print":{"date-parts":[[2023,12]]},"DOI":"10.1016\/j.knee.2023.09.004","type":"journal-article","created":{"date-parts":[[2023,10,6]],"date-time":"2023-10-06T13:01:25Z","timestamp":1696597285000},"page":"54-64","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"special_numbering":"C","title":["Surgical treatment of chronic proximal patellar tendon tears grades 3 and 4 using augmentation with quadriceps tendon-bone graft"],"prefix":"10.1016","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6461-5923","authenticated-orcid":false,"given":"Roland M.","family":"Biedert","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philippe M.","family":"Tscholl","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"6","key":"10.1016\/j.knee.2023.09.004_b0005","doi-asserted-by":"crossref","first-page":"766","DOI":"10.1177\/036354658901700607","article-title":"The effect of volleyball playing on the knee extensor mechanism","volume":"17","author":"Kujala","year":"1989","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2023.09.004_b0010","first-page":"150","article-title":"Chronic patellar tendinitis: a new surgical treatment","volume":"3","author":"Biedert","year":"1997","journal-title":"Sports Exercise Injury"},{"issue":"4","key":"10.1016\/j.knee.2023.09.004_b0015","doi-asserted-by":"crossref","first-page":"346","DOI":"10.1136\/bjsm.32.4.346","article-title":"Patellar tendinopathy: some aspects of basic science and clinical management","volume":"32","author":"Khan","year":"1998","journal-title":"Br J Sports Med"},{"issue":"2","key":"10.1016\/j.knee.2023.09.004_b0020","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1111\/j.1600-0838.1999.tb00211.x","article-title":"Jumper's knee. Review of the literature","volume":"9","author":"Fredberg","year":"1999","journal-title":"Scand J Med Sci Sports"},{"issue":"3","key":"10.1016\/j.knee.2023.09.004_b0025","doi-asserted-by":"crossref","first-page":"483","DOI":"10.1016\/S0278-5919(02)00028-5","article-title":"Overuse injuries of the extensor mechanism in athletes","volume":"21","author":"Panni","year":"2002","journal-title":"Clin Sports Med"},{"issue":"4","key":"10.1016\/j.knee.2023.09.004_b0030","doi-asserted-by":"crossref","first-page":"703","DOI":"10.1016\/S0278-5919(03)00067-X","article-title":"Compression etiology in tendinopathy","volume":"22","author":"Almekinders","year":"2003","journal-title":"Clin Sports Med"},{"issue":"8","key":"10.1016\/j.knee.2023.09.004_b0035","doi-asserted-by":"crossref","first-page":"1689","DOI":"10.2106\/00004623-200608000-00001","article-title":"Surgical treatment compared with eccentric training for patellar tendinopathy (Jumper's Knee). A randomized, controlled trial","volume":"88","author":"Bahr","year":"2006","journal-title":"J Bone Joint Surg Am"},{"key":"10.1016\/j.knee.2023.09.004_b0040","doi-asserted-by":"crossref","first-page":"1141","DOI":"10.1177\/0363546505284239","article-title":"Recalcitrant patellar tendinosis in elite athletes: surgical treatment in conjunction with aggressive postoperative rehabilitation","volume":"34","author":"Shelbourne","year":"2006","journal-title":"Am J Sports Med"},{"issue":"2","key":"10.1016\/j.knee.2023.09.004_b0045","first-page":"181","article-title":"Biology of tendon injury: healing, modeling and remodeling","volume":"6","author":"Sharma","year":"2006","journal-title":"J Musculoskelet Neuronal Interact"},{"issue":"12","key":"10.1016\/j.knee.2023.09.004_b0050","doi-asserted-by":"crossref","first-page":"2424","DOI":"10.1016\/j.arthro.2015.06.010","article-title":"Results of surgical treatment of chronic patellar tendinosis (jumper\u2019s knee): A systematic review of the literature","volume":"31","author":"Brockmeyer","year":"2015","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2023.09.004_b0055","doi-asserted-by":"crossref","first-page":"1443","DOI":"10.1111\/sms.13033","article-title":"Patellar tendinopathy with intratendinous alteration on MRI may be related to patellofemoral dysplasia","volume":"28","author":"Tscholl","year":"2018","journal-title":"Scand J Med Sci Sports"},{"issue":"9","key":"10.1016\/j.knee.2023.09.004_b0060","article-title":"Surgery for patellar tendinopathy (jumper's knee)","volume":"9","author":"Dan","year":"2019","journal-title":"Cochrane Database Syst Rev"},{"key":"10.1016\/j.knee.2023.09.004_b0065","first-page":"1","article-title":"Rethinking patellar tendinopathy and partial patellar tendon tears. A novel classification system","author":"Golman","year":"2020","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2023.09.004_b0070","series-title":"StatPearls [Internet]","article-title":"Jumpers Knee","author":"Santana","year":"2022"},{"issue":"11","key":"10.1016\/j.knee.2023.09.004_b0075","doi-asserted-by":"crossref","first-page":"2924","DOI":"10.1177\/03635465211030508","article-title":"Improved healing of rabbit patellar tendon defects after an atelocollagen injection","volume":"49","author":"Kim","year":"2021","journal-title":"Am J Sports Med"},{"issue":"6","key":"10.1016\/j.knee.2023.09.004_b0080","doi-asserted-by":"crossref","first-page":"31","DOI":"10.1080\/00913847.2000.11439512","article-title":"Overuse tendinosis, not tendinitis\u2014part 2","volume":"28","author":"Cook","year":"2000","journal-title":"Phys Sportsmed"},{"issue":"12","key":"10.1016\/j.knee.2023.09.004_b0085","doi-asserted-by":"crossref","first-page":"3105","DOI":"10.1002\/jor.24120","article-title":"Biomechanics of the knee extensor mechanism and its relationship to patella tendinopathy: a review","volume":"36","author":"Dan","year":"2018","journal-title":"J Orthop Res"},{"issue":"2","key":"10.1016\/j.knee.2023.09.004_b0090","first-page":"99","article-title":"Patellar tendonitis and anterior knee pain","volume":"12","author":"Al-Duri","year":"1999","journal-title":"Am J Knee Surg"},{"issue":"3","key":"10.1016\/j.knee.2023.09.004_b0095","doi-asserted-by":"crossref","first-page":"665","DOI":"10.1016\/S0030-5898(20)32343-9","article-title":"Jumper\u2019s knee","volume":"4","author":"Blazina","year":"1973","journal-title":"Orthop Clin North Am"},{"key":"10.1016\/j.knee.2023.09.004_b0100","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1097\/00003086-198509000-00007","article-title":"Rating systems in the evaluation of knee ligament injuries","volume":"198","author":"Tegner","year":"1985","journal-title":"Clin Orthop Relat Res"},{"key":"10.1016\/j.knee.2023.09.004_b0105","first-page":"1","article-title":"The validity of pain intensity measures: what do the NRS, VAS, VRS, and FPS-R measure?","author":"Thong","year":"2018","journal-title":"Scand J Pain"},{"issue":"5","key":"10.1016\/j.knee.2023.09.004_b0110","doi-asserted-by":"crossref","first-page":"255","DOI":"10.1249\/JSR.0b013e31822d4016","article-title":"Treatment options for patellar tendinopathy: critical review","volume":"10","author":"Gaida","year":"2011","journal-title":"Curr Sports Med Rep"},{"key":"10.1016\/j.knee.2023.09.004_b0115","doi-asserted-by":"crossref","first-page":"676","DOI":"10.1007\/s00167-006-0223-6","article-title":"Treatment of jumper\u2019s knee: promising short-term results in a pilot study using a new arthroscopic approach based on imaging findings","volume":"15","author":"Willberg","year":"2007","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"issue":"5","key":"10.1016\/j.knee.2023.09.004_b0120","doi-asserted-by":"crossref","first-page":"411","DOI":"10.1136\/bjsm.2010.082446","article-title":"Sclerosing polidocanol injections or arthroscopic shaving to treat patellar tendinopathy\/jumper's knee? A randomised controlled study","volume":"45","author":"Willberg","year":"2011","journal-title":"Br J Sports Med"},{"issue":"Suppl1","key":"10.1016\/j.knee.2023.09.004_b0125","first-page":"44","article-title":"Arthroscopic surgery for patellar tendonitis","volume":"14","author":"Johnson","year":"1998","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2023.09.004_b0130","doi-asserted-by":"crossref","first-page":"167","DOI":"10.1016\/j.arthro.2007.08.021","article-title":"Arthroscopic resection of the lower patellar pole in patients with chronic patellar tendinosis","volume":"24","author":"Lorbach","year":"2008","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2023.09.004_b0135","doi-asserted-by":"crossref","first-page":"1509","DOI":"10.1097\/00005768-199911000-00003","article-title":"Ultrasound- guided percutaneous longitudinal tenotomy for the management of patellar tendinopathy","volume":"31","author":"Testa","year":"1999","journal-title":"Med Sci Sports Exerc"},{"issue":"462","key":"10.1016\/j.knee.2023.09.004_b0140","first-page":"e1","article-title":"Arthroscopic patellar release for the treatment of chronic patellar tendinopathy","volume":"22","author":"Ogon","year":"2006","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2023.09.004_b0145","doi-asserted-by":"crossref","first-page":"218","DOI":"10.1177\/036354659702500214","article-title":"Recalcitrant patellar tendinitis. Magnetic resonance imaging, histologic evaluation, and surgical treatment","volume":"25","author":"Popp","year":"1997","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2023.09.004_b0150","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1177\/03635465000280020801","article-title":"Open and arthroscopic patellar tenotomy for chronic patellar tendinopathy. A retrospective outcome study. Victorian Institute of Sport Tendon Study Group","volume":"28","author":"Coleman","year":"2000","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2023.09.004_b0155","doi-asserted-by":"crossref","first-page":"277","DOI":"10.55095\/achot2010\/052","article-title":"Patellar tendinopathy: histopathological examination and follow-up of surgical treatment","volume":"77","author":"P\u00e9cina","year":"2010","journal-title":"Acta Chir Orthop Traumatol Cech"},{"key":"10.1016\/j.knee.2023.09.004_b0160","first-page":"43","article-title":"Surgical aspects of patellar tendonitis: technique and results","volume":"4","author":"Al-Duri","year":"2001","journal-title":"Am J Knee Surg"},{"issue":"5","key":"10.1016\/j.knee.2023.09.004_b0165","doi-asserted-by":"crossref","first-page":"689","DOI":"10.1177\/03635465020300051001","article-title":"Long-term prognosis for jumper\u2019s knee in male athletes: a prospective follow-up study","volume":"30","author":"Kettunen","year":"2002","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2023.09.004_b0170","doi-asserted-by":"crossref","first-page":"390","DOI":"10.1177\/036354659202000404","article-title":"Partial rupture of the patellar ligament","volume":"20","author":"Karlsson","year":"1992","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2023.09.004_b0175","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1007\/s001670050155","article-title":"Jumper\u2019s knee: postoperative assessment. A retrospective clinical study","volume":"7","author":"Pierets","year":"1999","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"10.1016\/j.knee.2023.09.004_b0180","doi-asserted-by":"crossref","first-page":"561","DOI":"10.1177\/0363546504270454","article-title":"Prevalence of jumper\u2019s knee among elite athletes from different sports: a cross- sectional study","volume":"33","author":"Lian","year":"2005","journal-title":"Am J Sports Med"},{"issue":"6","key":"10.1016\/j.knee.2023.09.004_b0185","doi-asserted-by":"crossref","first-page":"758","DOI":"10.1136\/bjsm.2003.005157","article-title":"Patellar tendinosis as an adaptive process: a new hypothesis","volume":"38","author":"Hamilton","year":"2004","journal-title":"Br J Sports Med"},{"issue":"1","key":"10.1016\/j.knee.2023.09.004_b0190","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1152\/japplphysiol.00944.2009","article-title":"Lower strength of the human posterior patellar tendon seems unrelated to mature collagen cross-linking and fibril morphology","volume":"108","author":"Hansen","year":"2010","journal-title":"J Appl Physiol"},{"issue":"1","key":"10.1016\/j.knee.2023.09.004_b0205","doi-asserted-by":"crossref","first-page":"22","DOI":"10.1016\/S1440-2440(98)80005-4","article-title":"The VISA score: an index of severity of symptoms in patients with jump- er\u2019s knee (patellar tendinosis)","volume":"1","author":"Visentini","year":"1998","journal-title":"J Sci Med Sport"}],"container-title":["The Knee"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0968016023001977?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0968016023001977?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,18]],"date-time":"2025-10-18T21:54:55Z","timestamp":1760824495000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0968016023001977"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,12]]},"references-count":39,"alternative-id":["S0968016023001977"],"URL":"https:\/\/doi.org\/10.1016\/j.knee.2023.09.004","relation":{},"ISSN":["0968-0160"],"issn-type":[{"value":"0968-0160","type":"print"}],"subject":[],"published":{"date-parts":[[2023,12]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Surgical treatment of chronic proximal patellar tendon tears grades 3 and 4 using augmentation with quadriceps tendon-bone graft","name":"articletitle","label":"Article Title"},{"value":"The Knee","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.knee.2023.09.004","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2023 The Author(s). Published by Elsevier B.V.","name":"copyright","label":"Copyright"}]}}