Biomechanik des Beckens

Kurz, Sascha; Fischer, B.; Böhme, Jörg

doi:10.1055/s-0042-109409

Cited by 3 publications

(2 citation statements)

References 8 publications

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“…This is impressive in the sacrum, where reduction of cancellous and cortical bone and the fatty conversion lead to "alar void". Progressive fracture dissociation leads to load share transmission in non-fractured regions (pubic ramus, symphysis) with subsequent fractures [14][15][16]. This might also explain the influence of osteoporosis on the progression of fragility fractures of the pelvis.…”

Section: Influence Of Osteoporosismentioning

confidence: 99%

There is a Correlation between Fragility Fractures of the Pelvis and a Circle-Type Morphology of the True Pelvis, but Not with Pelvic Incidence

Spalteholz¹,

Gulow²,

Pap³

2021

GGR

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Purpose: Osteoporosis is a major risk factor for the development of fragility fractures of the pelvis (FFP). There is a lack of information about the influence of anatomical conditions such as Pelvic Incidence and Pelvic Ratio (DT/DS ratio) on this kind of fractures. Methods: This is a monocentric retrospective analysis. X-ray images of the lumbar spine and pelvis and 3D-MPR CT reconstructions of the pelvis were analysed to determine Pelvic Incidence (PI) and Pelvic Ratio (PR) in 141 fragility fractures of the pelvis. Statistical analyses were performed to examine the correlation between these spinopelvic parameters and fragility fractures of the pelvis. Results: A total of 141 fragility fractures of the pelvis (14 men = 9.93%, 127 women = 90.07%) were analysed. According to the FFP-classification we recognized FFP type 1 fractures in 19.15%, FFP type 2 in 41.13%, FFP type 3 in 8.51% and FFP type 4 fractures in 32.21%. The mean PI was 58.83º. There was no statistical correlation between PI and fracture types (p=0.81). The mean PR was 1.099. 57 patients (40.43%) demonstrated a DT/DS ratio ≤ 1.06, corresponding to a circle-type morphology. 24 patients (17.02%) demonstrated a DT/DS ratio ≥ 1.18, corresponding to an ellipse-type pelvis. A circle-type pelvis is significantly more often associated with fragility fractures of the pelvis than an ellipse-type morphology (p<0.001). Conclusion: The results of our work demonstrate a strong statistical correlation between the circle-type morphology of the pelvis (PR ≤ 1.06) and fragility fractures of the pelvis. There is no statistical correlation between fragility fractures of the pelvis and Pelvic Incidence.

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Section: Influence Of Osteoporosismentioning

confidence: 99%

There is a Correlation between Fragility Fractures of the Pelvis and a Circle-Type Morphology of the True Pelvis, but Not with Pelvic Incidence

Spalteholz¹,

Gulow²,

Pap³

2021

GGR

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“…The ligamentous tightened ring structure consisting of three primary bone segments sometimes challenges surgeons during fracture treatment. Due to the relevance for locomotion, the quality of life is also dependent on a maintained biomechanical function of the pelvis [ 4 , 5 ].…”

Section: Introductionmentioning

confidence: 99%

Approach to standardized material characterization of the human lumbopelvic system—Specification, preparation and storage

Kurz,

Gebhardt,

Grundmann

et al. 2023

PLoS ONE

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The complexity of the osseo-ligamentous lumbopelvic system has made it difficult to perform both, the overall preparation as well as specimen harvesting and material testing with a reasonable amount of time and personnel. The logistics of such studies present a hurdle for reproducibility. A structured procedure was developed and proved, which allows all necessary steps to be carried out reproducibly and in a reasonable time. This enables the extraction of 26 soft tissue, 33 trabecular and 32 cortical bone specimens from this anatomical region per cadaver. The integrity of the specimens remains maintained while keeping requirements within manageable limits. The practicability of the intended five-day specimen harvesting and testing procedure could be demonstrated on five test and two pre-test sequences. The intended minimization of physical, biological, and chemical external influences on specimens could be achieved. All protocols, instructions and models of preparation and storage devices are included in the supporting information. The high grade of applicability and reproducibility will lead to better comparability between different biomechanical investigations. This procedure proven on the human pelvis is transferable to other anatomical regions.

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Influence of the fixation technique on the mechanical properties of human cancellous bone of the femoral head

Fischer

Hofmann²,

Kurz

et al. 2021

Clinical Biomechanics

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Biomechanik des Beckens

Cited by 3 publications

References 8 publications

There is a Correlation between Fragility Fractures of the Pelvis and a Circle-Type Morphology of the True Pelvis, but Not with Pelvic Incidence

There is a Correlation between Fragility Fractures of the Pelvis and a Circle-Type Morphology of the True Pelvis, but Not with Pelvic Incidence

Approach to standardized material characterization of the human lumbopelvic system—Specification, preparation and storage

Influence of the fixation technique on the mechanical properties of human cancellous bone of the femoral head

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