title: [Reconstruction of partial anterior cruciate ligament tears].
abstract: OBJECTIVE
  Partial augmentation of isolated tears of the anteromedial and posterolateral bundle of the anterior cruciate ligament (ACL) with autologous hamstring tendons. The intact fibers of the ACL are preserved.
  
  
  METHODS
  Symptomatic isolated tear of the anteromedial or posteromedial bundle of the ACL or rotational instability after ACL reconstruction with malplaced tunnels (e.g., high femoral position)
  
  
  METHODS
  In revision cases: loss of motion due to malplaced ACL and excessive tunnel widening of the present tunnels with the risk of tunnel confluence.
  
  
  METHODS
  Examination of anterior-posterior translation and rotational instability under anesthesia. Diagnostic arthroscopy, repetition of the clinical examination under direct visualization of the ACL, meticulous probing of the functional bundles. Resection of ligament remnants, preparation/preservation of the femoral and tibial footprint. Harvesting one of the hamstring tendons, graft preparation. Positioning of a 2.4 mm K-wire in the anatomic center of the femoral anteromedial/posterolateral bundle insertion, cannulated drilling according to the graft diameter. Positioning of a 2.4 mm K-wire balanced according to the femoral tunnel at the tibia, cannulated drilling. Insertion of the graft and fixation.
  
  
  METHODS
  Analogous to that for ACL reconstruction.
authors.affiliation: Abteilung Sportorthopädie, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675, München, Deutschland, stephan.lorenz@lrz.tu-muenchen.de.
authors.forename: S
authors.initials: S
authors.lastname: Lorenz
authors.forename: A B
authors.initials: AB
authors.lastname: Imhoff
mesh_terms: D000293:Adolescent; D000328:Adult; D016118:Anterior Cruciate Ligament / Q000601:surgery*; D000070598:Anterior Cruciate Ligament Injuries; D059549:Anterior Cruciate Ligament Reconstruction / Q000295:instrumentation* / Q000379:methods*; D001864:Bone Wires; D004867:Equipment Design; D019544:Equipment Failure Analysis; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012421:Rupture / Q000601:surgery; D053441:Suture Anchors; D013710:Tendons / Q000637:transplantation*; D016896:Treatment Outcome; D055815:Young Adult
vernacular_title: Isolierter Bündelersatz bei Partialruptur des vorderen Kreuzbandes.