{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T19:16:11Z","timestamp":1790622971925,"version":"4.1.0"},"reference-count":24,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2018,5,27]],"date-time":"2018-05-27T00:00:00Z","timestamp":1527379200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2018,5,27]],"date-time":"2018-05-27T00:00:00Z","timestamp":1527379200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Return to sports rates in amateur and professional athletes with chronic patellar tendinopathy following arthroscopic patellar release are unpredictable. The present study aims to analyse the effectiveness of arthroscopic patellar release in professional compared to amateur athletes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 34 amateur and 20 professional athletes with chronic patellar tendinopathy, refractory to conservative treatment, were studied prospectively and underwent arthroscopic tendon release at the inferior patellar pole. Impact of grouped sports on clinical and functional outcome, subjective patient satisfaction and return to sports rates were assessed. Additionally, preoperative MRI\u2010scans of the knee were evaluated and correlated with clinical outcome.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In 40 patients (74.1%) arthroscopic patellar release resulted in complete recovery and return to preinjury exercise levels. Full return to sports was achieved after a median of 3.0 (range 0.5\u201312.0) months. Functional outcome measures VISA\u2010P (Victorian Institute of sport assessment for patella) and modified Blazina scores improved significantly from pre\u2010 to postoperatively (VISA\u2010P: 48.8 vs. 94.0\u00a0pts., respectively, p\u2009&lt;\u20090.0001; Blazina: 4.47 vs. 0.5, respectively, p\u2009&lt;\u20090.0001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>As rapid recovery and timely return to sports are crucial for professional athletes, arthroscopic patellar release should be considered after failed conservative treatment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>IV.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-018-4985-4","type":"journal-article","created":{"date-parts":[[2018,5,27]],"date-time":"2018-05-27T16:59:28Z","timestamp":1527440368000},"page":"3553-3559","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Arthroscopic patellar release allows timely return to performance in professional and amateur athletes with chronic patellar tendinopathy"],"prefix":"10.1002","volume":"26","author":[{"given":"Jan M.","family":"Pestka","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopedics and Trauma Surgery University Medical Center Freiburg, Faculty of Medicine, Albert\u2010Ludwigs\u2010University of Freiburg Hugstetter Strasse 55 79106 Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gernot","family":"Lang","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopedics and Trauma Surgery University Medical Center Freiburg, Faculty of Medicine, Albert\u2010Ludwigs\u2010University of Freiburg Hugstetter Strasse 55 79106 Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dirk","family":"Maier","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopedics and Trauma Surgery University Medical Center Freiburg, Faculty of Medicine, Albert\u2010Ludwigs\u2010University of Freiburg Hugstetter Strasse 55 79106 Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Norbert P.","family":"S\u00fcdkamp","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopedics and Trauma Surgery University Medical Center Freiburg, Faculty of Medicine, Albert\u2010Ludwigs\u2010University of Freiburg Hugstetter Strasse 55 79106 Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Ogon","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopedics and Trauma Surgery University Medical Center Freiburg, Faculty of Medicine, Albert\u2010Ludwigs\u2010University of Freiburg Hugstetter Strasse 55 79106 Freiburg Germany"},{"name":"<!--<label>2<\/label>--> Center of Orthopedic Sports Medicine Freiburg Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaywan","family":"Izadpanah","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopedics and Trauma Surgery University Medical Center Freiburg, Faculty of Medicine, Albert\u2010Ludwigs\u2010University of Freiburg Hugstetter Strasse 55 79106 Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,5,27]]},"reference":[{"key":"e_1_2_9_2_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623\u2010200300002\u201000008"},{"key":"e_1_2_9_3_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100838.2011.01334.x"},{"key":"e_1_2_9_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2016.11.007"},{"key":"e_1_2_9_5_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623\u2010200212000\u201000009"},{"key":"e_1_2_9_6_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.200.3.8756939"},{"key":"e_1_2_9_7_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167\u2010011\u20101825\u20101"},{"key":"e_1_2_9_8_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546504270454"},{"key":"e_1_2_9_9_2","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.2011.3354"},{"key":"e_1_2_9_10_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546507308549"},{"key":"e_1_2_9_11_2","doi-asserted-by":"publisher","DOI":"10.1080\/09638280701785643"},{"key":"e_1_2_9_12_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167\u2010010\u20101314\u2010y"},{"key":"e_1_2_9_13_2","doi-asserted-by":"publisher","DOI":"10.1177\/03635465000280061401"},{"key":"e_1_2_9_14_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00264\u2010014\u20102390\u20102"},{"key":"e_1_2_9_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2013.05.004"},{"key":"e_1_2_9_16_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546514531911"},{"key":"e_1_2_9_17_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546506288240"},{"key":"e_1_2_9_18_2","doi-asserted-by":"publisher","DOI":"10.1186\/s12891\u2010017\u20101508\u20102"},{"key":"e_1_2_9_19_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2005.06.035"},{"key":"e_1_2_9_20_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546511410413"},{"key":"e_1_2_9_21_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10195\u2010012\u20100220\u20100"},{"key":"e_1_2_9_22_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.matbio.2009.04.001"},{"key":"e_1_2_9_23_2","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.2006.032417"},{"key":"e_1_2_9_24_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086\u2010200004000\u201000022"},{"key":"e_1_2_9_25_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546511413370"}],"container-title":["Knee 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October 2017","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"23 April 2018","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"27 May 2018","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"Jan M. Pestka, Gernot Lang, Dirk Maier, Norbert P. S\u00fcdkamp, Peter Ogon and Kaywan Izadpanah have nothing to disclose and declare no conflicts of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The study was approved by our local institutional review board and informed consent was obtained from all patients before surgery. All studies have been 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 standards"}},{"value":"Consent has been obtained to publish from the participant (or legal parent or guardian for children) to report individual patient data.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}