Third-generation percutaneous vertebral augmentation systems.
Currently, there is no general consensus about the management of osteoporotic vertebral fractures (OVF). In the past, conservative treatment for at least one month was deemed appropriate for the majority of vertebral fractures. When pain persisted after conservative treatment, it was necessary to consider surgical interventions including: vertebroplasty for vertebral fractures with less than 30% loss of height of the affected vertebral body and kyphoplasty for vertebral fractures with greater than 30% loss of height. Currently, this type of treatment is not feasible. Herein we review the characteristics and methods of operation of three of the most common percutaneous vertebral augmentation systems (PVAS) for the treatment of OVF: Vertebral Body Stenting(®) (VBS), OsseoFix(®) and Spine Jack(®). VBS is a titanium device accompanied by a hydraulic (as opposed to mechanical) working system which allows a partial and not immediate possibility to control the opening of the device. On the other hand, OsseoFix(®) and Spine Jack(®) are accompanied by a mechanical working system which allows a progressive and controlled reduction of the vertebral fracture. Another important aspect to consider is the vertebral body height recovery. OsseoFix(®) has an indirect mechanism of action: the compaction of the trabecular bone causes an increase in the vertebral body height. Unlike the Vertebral Body Stenting(®) and Spine Jack(®), the OsseoFix(®) has no direct lift mechanism. Therefore, for these characteristics and for the force that this device is able to provide. In our opinion, Spine Jack(®) is the only device also suitable for the treatment OVF, traumatic fracture (recent, old or inveterate) and primary or secondary bone tumors.
Orthopaedic and Traumatology Department, "G. D'Annunzio" University, Chieti, Italy ;
Daniele
D
Vanni
Neurosurgery Department, "L'Aquila" University, L'Aquila, Italy ;
Renato
R
Galzio
Neurotraumatology and Vertebro-Medullary Surgery, "Renzetti Hospital", Lanciano, Italy ;
Anna
A
Kazakova
Orthopaedic and Traumatology Department, "G. D'Annunzio" University, Chieti, Italy ;
Andrea
A
Pantalone
Diagnostic and Therapeutic Neuroradiology Unit, IRCCS INM Neuromed, Pozzilli, Isernia, Italy.
Giovanni
G
Grillea
Diagnostic and Therapeutic Neuroradiology Unit, IRCCS INM Neuromed, Pozzilli, Isernia, Italy.
Marcello
M
Bartolo
Orthopaedic and Traumatology Department, "G. D'Annunzio" University, Chieti, Italy ;
Vincenzo
V
Salini
Neurotraumatology and Vertebro-Medullary Surgery, "Renzetti Hospital", Lanciano, Italy ;
Vincenzo
V
Magliani
OsseoFix; Osteoporotic vertebral fractures (OVF); Spine Jack; Vertebral Body Stenting; primary or secondary vertebral tumors; traumatic vertebral fractures
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