caa a22 4500 605459959 CHVBK 20210128100236.0 cr unu---uuuuu 210128e20150501xx s 000 0 eng 10.1007/s00167-014-2900-1 doi (NATIONALLICENCE)springer-10.1007/s00167-014-2900-1 The safe zone for avoiding suprascapular nerve injury in bone block procedures for shoulder instability. A cadaveric study [Elektronische Daten] [Umile Longo, Francisco Forriol, Mattia Loppini, Angela Lanotte, Giuseppe Salvatore, Nicola Maffulli, Vincenzo Denaro] Purpose: The purpose of the study is to identify the safe zone in which the surgeon can place the screws for fixation of the coracoid graft during the Latarjet procedure to avoid injuries of the suprascapular nerve with the shoulder in internal and external rotation. Methods: The dissection on twelve fresh-frozen shoulders was performed according to a standard posterior approach to the gleno-humeral joint. The suprascapular nerve and its branches for the infraspinatus muscle were identified at the spinoglenoid notch region. Then, the distance between the glenoid and the suprascapular nerve at the spinoglenoid notch region was measured by using a ruler with the shoulder at 90° internal rotation and at 90° of external rotation. Results: The median distance between the glenoid and the suprascapular nerve was 12mm (range 6-15mm) with the shoulder at 90° of internal rotation and 19mm (range 11-23mm) with the shoulder at 90° of external rotation. The distance between the glenoid and the suprascapular nerve was statistically significantly greater with the shoulder at 90° of external rotation than 90° of internal rotation (P=0.002). Conclusions: The suprascapular nerve is furthest away from the glenoid with the shoulder at 90° of external rotation. Therefore, the placement of screws in external rotation of the humerus during glenoid bone block procedures likely reduces the risk of iatrogenic injuries of the suprascapular nerve. Springer-Verlag Berlin Heidelberg, 2014 Suprascapular nerve nationallicence Injury nationallicence Bone block nationallicence Latarjet nationallicence Shoulder nationallicence Dislocation nationallicence Longo Umile Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy aut Forriol Francisco Orthopaedic Department, School of Medicine, University CEU Campus de Montepríncipe, 28886, Boadilla del Monte, Madrid, Spain aut Loppini Mattia Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy aut Lanotte Angela Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy aut Salvatore Giuseppe Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy aut Maffulli Nicola Barts and The London School of Medicine and Dentistry, William Harvey Research Institute, Centre for Sports and Exercise Medicine, Mile End Hospital, Queen Mary University of London, 275 Bancroft Road, E1 4DG, London, UK aut Denaro Vincenzo Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy aut Knee Surgery, Sports Traumatology, Arthroscopy Springer Berlin Heidelberg 23/5(2015-05-01), 1506-1510 0942-2056 23:5<1506 2015 23 167 https://doi.org/10.1007/s00167-014-2900-1 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s00167-014-2900-1 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Longo Umile Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy aut NATIONALLICENCE 700 1- Forriol Francisco Orthopaedic Department, School of Medicine, University CEU Campus de Montepríncipe, 28886, Boadilla del Monte, Madrid, Spain aut NATIONALLICENCE 700 1- Loppini Mattia Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy aut NATIONALLICENCE 700 1- Lanotte Angela Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy aut NATIONALLICENCE 700 1- Salvatore Giuseppe Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy aut NATIONALLICENCE 700 1- Maffulli Nicola Barts and The London School of Medicine and Dentistry, William Harvey Research Institute, Centre for Sports and Exercise Medicine, Mile End Hospital, Queen Mary University of London, 275 Bancroft Road, E1 4DG, London, UK aut NATIONALLICENCE 700 1- Denaro Vincenzo Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128, Rome, Italy aut NATIONALLICENCE 773 0- Knee Surgery, Sports Traumatology, Arthroscopy Springer Berlin Heidelberg 23/5(2015-05-01), 1506-1510 0942-2056 23:5<1506 2015 23 167