Tanja Eindorf

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STUDY DESIGN In vitro biomechanical study of bioabsorbable cervical spine interbody fusion cages using a sheep model. OBJECTIVES The purpose of this study was to evaluate the segmental stability provided by 2 new developed bioabsorbable cervical spine interbody fusion cages and to compare it with a tricortical iliac crest bone graft and a titanium meshed(More)
Bioabsorbable implants are commonplace in knee and shoulder surgery. Bioabsorbable poly(l-lactide-co-D,L-lactide) (PLDLLA) cage devices have potential benefits over autologous tricortical iliac crest bone graft and metallic cages for cervical spine interbody fusion. The purpose of this study was to compare interbody fusion of an autologous tricortical iliac(More)
INTRODUCTION Due to a recent increase in the commercial availability of expandable cages for vertebral body replacement, this study was designed to gain more information about their biomechanical properties. All three expandable cages evaluated in this study are approved for clinical use, but little knowledge about their biomechanical properties exists. (More)
STUDY DESIGN An in vitro study was conducted to determine the biomechanical properties of a new simple, percutaneous, posterior fixation technique for the lumbar spine involving a new implant, the so-called Lumbar Facet Interference Screw. OBJECTIVES The purpose of this study was to compare the biomechanical properties of this new fixation device with(More)
STUDY DESIGN After anterior cervical discectomy, fusion was radiologically, biomechanically, and histologically assessed in a sheep spine fusion model. OBJECTIVE To evaluate the efficacy of a platelet-rich plasma (PRP) application combined with a mineralized collagen matrix (MCM) as an alternative to autologous cancellous iliac crest bone grafts in a(More)
Parent-of-origin-dependent (epi)genetic factors are important determinants of prenatal development that program adult phenotype. However, data on magnitude and specificity of maternal and paternal genome effects on fetal bone are lacking. We used an outbred bovine model to dissect and quantify effects of parental genomes, fetal sex, and nongenetic maternal(More)
The host response to titanium alloy (Ti-6Al-4V) is not always favorable as a fibrous layer may form at the skeletal tissue-device interface, causing aseptic loosening. Recently, sphene (CaTiSiO(5)) ceramics were developed by incorporating Ti in the Ca-Si system, and found to exhibit improved chemical stability. The aim of this study is to evaluate the in(More)
Seit kurzem stehen expandierbare Cages als Wirbelkörperersatz an der thorakolumbalen Wirbelsäule zur Verfügung , es existieren jedoch nur wenige Informationen über ihre biomechanischen Eigenschaften. Ziel dieser Untersuchung war es daher, die biomechanischen Eigenschaften 3 verschiedener expandierbarer Cages mit einem nicht expandierbaren Cage zu(More)
STUDY DESIGN An experimental study using a sheep cervical spine interbody fusion model. OBJECTIVES To compare interbody fusion of an autologous tricortical iliac crest bone graft with two bioabsorbable cages and to determine whether there are differences between the three interbody fusion techniques in 1) the ability to preserve postoperative distraction,(More)
Ein biodegradierbarer Cage kann eine Vielzahl von Vorteilen gegenüber dem autologen trikortikalen Beckenkammspan und metallischen Cages bieten. Zum jetzigen Zeitpunkt steht jedoch kein solcher für die Anwendung beim Menschen zur Verfügung. Ziel dieser Studie war, 2 Fusionstechniken für die intervertebrale Spondylodese miteinander zu vergleichen. Der(More)