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Alessandro Colombi, Daniele Schena, and Claudio Carlo Castelli

be established. When there is a difference between the actual and functional limb length, pelvic obliquity may be evaluated by comparing the level of both hemi pelvises with patient standing and sitting. 1 Preoperative planning allows prediction

Stephen Gates, Brain Sager, and Michael Khazzam

those for hip and knee arthroplasty procedures. 1 The purpose of this review is to provide a summary of current methods for assessment of the glenoid and preoperative planning strategies for total shoulder arthroplasty. Radiographic imaging

Gareth G. Jones, Martin Jaere, Susannah Clarke, and Justin Cobb

solution that merits further focus. This review article explores the use of PSI for HTO, including our experience with this technology in the MSk lab at Imperial College London, United Kingdom. Preoperative planning Double-limb weight

Xiang-Dong Wu, Yixin Zhou, Hongyi Shao, Dejin Yang, Sheng-Jie Guo, and Wei Huang

, 20 , 21 ). Given that revision TJA requires more accurate preoperative planning and precise intraoperative identification of anatomical landmarks and resection of bone, robotic-assisted technology that combines accurate patient-specific preoperative

Habeeb Bishi, Joshua B V Smith, Vipin Asopa, Richard E Field, Chao Wang, and David H Sochart

the implants is by engaging in thorough preoperative planning, taking into account the patient’s age, sex, preoperative diagnosis, mental status, level of activity, medical history and current medical status, expectations from the surgery and life

Olga D. Savvidou, Frantzeska Zampeli, Panagiotis Koutsouradis, George D. Chloros, Aggelos Kaspiris, Savas Sourmelis, and Panayiotis J. Papagelopoulos

  • Treatment of distal humerus fractures is demanding. Surgery is the optimal treatment and preoperative planning is based on fracture type and degree of comminution.

  • Fixation with two precontoured anatomical locking plates at 90o:90o orthogonal or 180o parallel is the optimal treatment.

  • The main goal of surgical treatment is to obtain stable fixation to allow immediate postoperative elbow mobilization and prevent joint stiffness.

  • Despite evolution of plates and surgical techniques, complications such as mechanical failure, ulnar neuropathy, stiffness, heterotopic ossification, nonunion, malunion, infection, and complications from olecranon osteotomy are quite common.

  • Distal humerus fractures still present a significant technical challenge and need meticulous technique and experience to achieve optimal results.

Cite this article: EFORT Open Rev 2018;3:558-567. DOI: 10.1302/2058-5241.3.180009

Geert Meermans, George Grammatopoulos, Moritz Innmann, and David Beverland

  • Acetabular component orientation and position are important factors in the short- and long-term outcomes of total hip arthroplasty.

  • Different definitions of inclination and anteversion are used in the orthopaedic literature and surgeons should be aware of these differences and understand their relationships.

  • There is no universal safe zone.

  • Preoperative planning should be used to determine the optimum position and orientation of the cup and assess spinopelvic characteristics to adjust cup orientation accordingly.

  • A peripheral reaming technique leads to a more accurate restoration of the centre of rotation with less variability compared with a standard reaming technique.

  • Several intraoperative landmarks can be used to control the version of the cup, the most commonly used and studied is the transverse acetabular ligament.

  • The use of an inclinometer reduces the variability associated with the use of freehand or mechanical alignment guides.

Sebastian Siebenlist, Arne Buchholz, and Karl F. Braun

  • Fractures of the proximal ulna range from simple olecranon fractures to complex Monteggia fractures or Monteggia-like lesions involving damage to stabilizing key structures of the elbow (i.e. coronoid process, radial head, collateral ligament complex).

  • In complex fracture patterns a computerized tomography scan is essential to properly assess the injury severity.

  • Exact preoperative planning for the surgical approach is vital to adequately address all fracture parts (base coronoid fragments first).

  • The management of olecranon fractures primarily comprises tension-band wiring in simple fractures as a valid treatment option, but modern plate techniques, especially in comminuted or osteoporotic fracture types, can reduce implant failure and potential implant-related soft tissue irritation.

  • For Monteggia injuries, the accurate anatomical restoration of ulnar alignment and dimensions is crucial to adjust the radiocapitellar joint.

  • Caution is advised if the anteromedial facet (anatomical insertion of the medial collateral ligament) of the coronoid process is affected, to avoid posteromedial instability.

  • Radial head reconstruction or replacement is essential in Monteggia-like lesions to restore normal elbow function.

  • The postoperative rehabilitation programme should involve active elbow motion exercises without limitations as early as possible following surgery to avoid joint stiffness.

Cite this article: EFORT Open Rev 2019;4:1-9. DOI: 10.1302/2058-5241.4.180022.

Maria Moralidou, Anna Di Laura, Johann Henckel, Harry Hothi, and Alister J. Hart

search attempts was made, using the following terms, “3D or three-dimensional (quantitative) (preoperative) planning”, “(pre-) surgical (preoperative) planning”, “3D or three-dimensional templating”, “three-dimensional preoperative planning software

Joshua B.V. Smith, Habeeb Bishi, Chao Wang, Vipin Asopa, Richard E. Field, and David H. Sochart

components. 4 It also creates an easily accessible archived record of the preoperative planning process that can be accessed by different members of the surgical team. It can then be used for postoperative evaluation, planning future surgeries on the same