title: Clinical outcome and prognostic factors of revision arthroscopic rotator cuff tear repair.
abstract: OBJECTIVE
  The aim of this study was to evaluate the clinical outcome of arthroscopic rotator cuff revision surgery in a cohort of patients and to identify prognostic factors for this procedure.
  
  
  METHODS
  Fifty-one consecutive patients undergoing revision arthroscopic rotator cuff repair were prospectively followed over a minimum period of one year. Radiologic findings and clinical data regarding primary and revision surgery were collected. Clinical evaluation was performed pre- and post-operatively by means of Constant Score and Simple Shoulder Test.
  
  
  RESULTS
  Median age at the time of revision surgery was 60 years (range 36-77 years). Median follow-up was 25 months (range 12-58 months). There were 17 men (33.3%) and 34 women (66.7%). The majority of the tears affected the supraspinatus tendon alone (51%) or both the supra- and infraspinatus tendons (35.3%). Significant improvements were seen in terms of active forward elevation, active external rotation, pain, Simple Shoulder Test score, Constant Score, and post-operative satisfaction-age, gender, and time to revision surgery did not show significant predictive value. A smaller tear size and pre-operative elevation greater than 90° were demonstrated to be independent prognostic factors for better outcome. However, the mean increase in Constant Score was not related to the size of the tear, range of motion, or age.
  
  
  CONCLUSIONS
  The results of this study indicate that arthroscopic revision rotator cuff repair results in reliable improvement in shoulder function, pain, and satisfaction. Pre-operative active range of motion and tear size seem to determine final outcome. A similar increase in mean Constant Score can be achieved even in large tears in patients aged over 65 years.
  
  
  METHODS
  IV.
authors.affiliation: Department of Orthopaedic Surgery and Traumatology, Hospital Universitario Fundación Jiménez Díaz, Universidad Autónoma, Avda. Reyes Católicos, 2, 28040, Madrid, Spain.
authors.forename: Maria
authors.initials: M
authors.lastname: Valencia Mora
authors.affiliation: Department of Orthopaedic Surgery and Traumatology, Hospital Universitario Fundación Jiménez Díaz, Universidad Autónoma, Avda. Reyes Católicos, 2, 28040, Madrid, Spain.
authors.forename: Diana
authors.initials: D
authors.lastname: Morcillo Barrenechea
authors.affiliation: Department of Preventive Medicine, Hospital Universitario Fundación Jiménez Díaz, Universidad Autónoma, Avda. Reyes Católicos, 2, 28040, Madrid, Spain.
authors.forename: Maria Dolores
authors.initials: MD
authors.lastname: Martín Ríos
authors.affiliation: Department of Orthopaedic Surgery and Traumatology, Hospital Universitario Fundación Jiménez Díaz, Universidad Autónoma, Avda. Reyes Católicos, 2, 28040, Madrid, Spain.
authors.forename: Antonio M
authors.initials: AM
authors.lastname: Foruria
authors.affiliation: Department of Orthopaedic Surgery and Traumatology, Hospital Universitario Fundación Jiménez Díaz, Universidad Autónoma, Avda. Reyes Católicos, 2, 28040, Madrid, Spain. ECalvo@fjd.es.
authors.forename: Emilio
authors.initials: E
authors.lastname: Calvo
mesh_terms: D001178:Arthroplasty; D001182:Arthroscopy / Q000379:methods; D006801:Humans; D011184:Postoperative Period; D011379:Prognosis; D016059:Range of Motion, Articular; D012086:Reoperation; D012399:Rotation; D017006:Rotator Cuff / Q000601:surgery*; D000070636:Rotator Cuff Injuries / Q000601:surgery*; D012421:Rupture / Q000601:surgery*; D012785:Shoulder Joint / Q000601:surgery*
keywords: Arthroscopy; Failure; Functional outcome; Prognostic factors; Revision rotator cuff repair; Shoulder