[Polyaxial angle stability].

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Abstract

[Indexed for MEDLINE] Conflict of interest statement: Einhaltung ethischer Richtlinien. Interessenkonflikt: M. Rocci und M. Altmann geben an, bei Synthes GmbH, Johnson & Johnson MedTech, angestellt zu sein. M. Lenz und B. Gueorguiev geben an, dass kein Interessenkonflikt besteht. Für diesen Beitrag wurden von den Autor/-innen keine Studien an Menschen oder Tieren durchgeführt. Für die aufgeführten Studien gelten die jeweils dort angegebenen ethischen Richtlinien. 5. Curr Osteoporos Rep. 2019 Dec;17(6):363-374. doi: 10.1007/s11914-019-00535-9. Biomechanics of Osteoporotic Fracture Fixation. Hollensteiner M(1)(2), Sandriesser S(1)(2), Bliven E(1)(2), von Rüden C(1)(2)(3), Augat P(4)(5). Author information: (1)Institute for Biomechanics, BG Unfallklinik Murnau, Prof.-Kuentscher-Str. 8, 82418, Murnau am Staffelsee, Germany. (2)Institute for Biomechanics, Paracelsus Medical University, Salzburg, Austria. (3)Department of Trauma Surgery, BG Klinikum Murnau, Murnau, Germany. (4)Institute for Biomechanics, BG Unfallklinik Murnau, Prof.-Kuentscher-Str. 8, 82418, Murnau am Staffelsee, Germany. biomechanik@bgu-murnau.de. (5)Institute for Biomechanics, Paracelsus Medical University, Salzburg, Austria. biomechanik@bgu-murnau.de. PURPOSE OF REVIEW: Fractures of osteoporotic bone in elderly individuals need special attention. This manuscript reviews the current strategies to provide sufficient fracture fixation stability with a particular focus on fractures that frequently occur in elderly individuals with osteoporosis and require full load-bearing capacity, i.e., pelvis, hip, ankle, and peri-implant fractures. RECENT FINDINGS: Elderly individuals benefit immensely from immediate mobilization after fracture and thus require stable fracture fixation that allows immediate post-operative weight-bearing. However, osteoporotic bone has decreased holding capacity for metallic implants and is thus associated with a considerable fracture fixation failure rate both short term and long term. Modern implant technologies with dedicated modifications provide sufficient mechanical stability to allow immediate weight-bearing for elderly individuals. Depending on fracture location and fracture severity, various options are available to reinforce or augment standard fracture fixation systems. Correct application of the basic principles of fracture fixation and the use of modern implant technologies enables mechanically stable fracture fixation that allows early weight-bearing and results in timely fracture healing even in patients with osteoporosis. DOI: 10.1007/s11914-019-00535-9 PMCID: PMC6944651