{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T01:22:57Z","timestamp":1778808177867,"version":"3.51.4"},"reference-count":51,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[1995,9,1]],"date-time":"1995-09-01T00:00:00Z","timestamp":809913600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[1995,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The purpose of this study was (a) to evaluate by ultrasonography the healing of the patellar tendon after its mid\u2010third was removed for anterior cruciate ligament (ACL) reconstruction in two randomized groups of patients in whom the tendon donor site was either left open or closed: (b) to compare clinical, radiographic, and isokinetic studies of these two groups to evaluate the incidence of patellofemoral disorders. We performed 61 ACL reconstructions (22\u00a0males, 39 females) using the arthroscopically assisted in\u2010out technique. All operations were performed by the same surgeon, and the patients were all subjected to the same postoperative protocol. The tendon defect was left open in 25 subjects (group A) and was closed in 36 subjects (group B). Postoperative patellar tendon behavior was evaluated in these two groups by ultrasonography at 3, 6, 9, and 12\u00a0months. The vertical position of the patella was measured in the follow\u2010up lateral view at 45\u00b0 of flexion and compared to that of the untreated knee. A clinical evaluation was performed throughout the follow\u2010up period. and patellofemoral problems (pain, stiffness, patellofemoral crepitus) were evaluated and recorded using a modified Larsen and Lauridsen rating scale. Isokinetic evaluation was carried out at 6\u00a0months, and a quadriceps index of the two groups was recorded. Ultrasonography showed that healing of the patellar tendon initially progressed with a compensatory hypertrophy in width and thickness. The width was greater in group B (<jats:italic>P<\/jats:italic>&lt;0.01). In group A we observed in the cross\u2010sections a characteristic image of two cords separated by a low signal bridge which we defined as a \u201cbinocular pattern\u201d. Areas of high ultrasound signal intensities persisted after 1 year in the open group: such areas were filled with scar tissue. In the closed group the ultrasound tendon signal returned to normal at 1 year. At 6\u00a0months the clinical, radiographic and isokinetic findings did not significantly differ between the open and closed groups. We conclude that defect closure after patellar tendon harvesting does not significantly influence the extensor apparatus.<\/jats:p>","DOI":"10.1007\/bf01565472","type":"journal-article","created":{"date-parts":[[2005,4,27]],"date-time":"2005-04-27T14:23:11Z","timestamp":1114611791000},"page":"138-143","source":"Crossref","is-referenced-by-count":47,"title":["Healing of the patellar tendon after harvesting of its mid\u2010third for anterior cruciate ligament reconstruction and evolution of the unclosed donor site defect"],"prefix":"10.1002","volume":"3","author":[{"given":"E.","family":"Adriani","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Clinica Ortopedica Universit\u00e0 degli Studi di Roma \u201cLa Sapienza\u201d, P.zzale Aldo Moro 5 I\u201000185 Rome Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P. P.","family":"Mariani","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Clinica Ortopedica Universit\u00e0 degli Studi di Roma \u201cLa Sapienza\u201d, P.zzale Aldo Moro 5 I\u201000185 Rome Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.","family":"Maresca","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Clinica Ortopedica Universit\u00e0 degli Studi di Roma \u201cLa Sapienza\u201d, P.zzale Aldo Moro 5 I\u201000185 Rome Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N.","family":"Santori","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Clinica Ortopedica Universit\u00e0 degli Studi di Roma \u201cLa Sapienza\u201d, P.zzale Aldo Moro 5 I\u201000185 Rome Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[1995,9]]},"reference":[{"key":"e_1_2_1_2_2","first-page":"137","article-title":"L'articolazione femororotulea nelle ricostruzioni tradizionali o artroscopiche del legamento crociato anteriore","volume":"16","author":"Aglietti P","year":"1990","journal-title":"GIOT [Suppl]"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199303000-00025"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199205000-00026"},{"key":"e_1_2_1_5_2","unstructured":"BianchiM BaratelliM(1989)Healing process of the patellar tendon after its use for anterior cruciate ligament reconstruction. 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A propos de 128 observations","volume":"68","author":"Caton J","year":"1982","journal-title":"Rev Chir Orthop"},{"key":"e_1_2_1_9_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-198301000-00020"},{"key":"e_1_2_1_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0030-5898(20)30729-X"},{"key":"e_1_2_1_11_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198264030-00004"},{"key":"e_1_2_1_12_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198870100-00007"},{"key":"e_1_2_1_13_2","doi-asserted-by":"publisher","DOI":"10.1177\/036354659202000317"},{"key":"e_1_2_1_14_2","doi-asserted-by":"publisher","DOI":"10.1177\/036354659202000223"},{"key":"e_1_2_1_15_2","doi-asserted-by":"publisher","DOI":"10.1177\/036354659302100209"},{"key":"e_1_2_1_16_2","unstructured":"DirshlmayerW BenedettoKP SpernerG(1988)Basic principles of ultrasonography for patellar tendon measurement following anterior cruciate ligament reconstruction. 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