Pelvic rim plating

Ilium fractures, which commonly advance from the iliac crest to the greater sciatic notch, are high-energy pelvic fractures that are frequently unstable. The general course of management for this injury is conservative, although cases of substantially displaced have been described that warranted surgical intervention. Many conditions, including decreased mobility, structural alterations in the joints, and discomfort, might make people more vulnerable to falls while waiting for hip or knee surgery. This can have an effect on both preoperative and postoperative functioning...

The pelvic ring is a complex anatomical structure building up the connection between the trunk and the legs. Whilst there is a broad discussion in the literature about the dynamic interaction between spine, pelvis and the hip joints, there is still little information about the relation and interaction of the constant pelvic parameters. Based on a three-dimensional (3D) statistical model consisting of 150 uninjured and bony healthy pelves (100 Europeans, 50 Japanese; 81 males, 69 females; average age 74.3 years ± 17...

BACKGROUND: An understanding of pelvic and acetabular morphology and orientation is required for accurate surgical reconstruction of the hip and spine, as well for component placement in a total hip arthroplasty. Our objectives were to develop an automated system for measuring pelvic and sacral orientations utilizing computed tomographic (CT) scans and to characterize these measures across 200 asymptomatic subjects. METHODS: An automated feature recognition algorithm was created to identify acetabular and pelvic orientation across 200 scans generated for non-musculoskeletal conditions...

Overcoverage of the femoral head by the acetabulum, increased acetabular depth and retroversion have been associated with the etiology of slipped capital femoral epiphysis (SCFE). However, limited evidence exists about the impact of the acetabular morphology on the development of a contralateral slip following an initial presentation of unilateral SCFE. We aimed to investigate whether acetabular overcoverage as assessed by an increased lateral center-edge angle (LCEA) and low Tönnis angle, increased acetabular depth assessed by the acetabular depth-width ratio (ADR) and the presence of coxa profunda; and acetabular retroversion assessed by the presence of the crossover sign were associated with a contralateral slip in patients presenting with unilateral SCFE...

Objective: The use of open reduction and internal fixation (ORIF) for unstable pelvic injuries is associated with extensive blood loss, iatrogenic neurovascular injury, and infection. Moreover, the placement of sacroiliac (SI) screws is a blinded procedure, guided primarily by palpation and two-dimensional radiological screening, which demands expertise. The complex three-dimensional anatomy of SI joint and its proximity to neurovascular structure require a safe and precise technique...

OBJECTIVE: The Stoppa approach in its modified form is an intrapelvine approach for the treatment of acetabular fractures. It is an alternative to the ilioinguinal approach. Goals are the gentle soft-tissue preparation, anatomic reduction and stable internal fixation. Here, the approach is described in detail together with possible expansion possibilities. INDICATIONS: The Stoppa approach in particular is used for the treatment of fractures of the anterior column with participation of the quadrilateral surface, transverse fractures, T-type fractures, but also 2-column fractures when the main pathology is located in anterior portions of the acetabulum...

BACKGROUND: Various attempts have been made to assess the inclination angle of the acetabulum utilizing new imageprocessing technologies to enable three-dimensional reconstruction of the acetabulum. However, reliability of these methods has not been estimated in comparison with anatomical measurements. This study developed a geometric method for measuring the acetabular inclination with radiograms and evaluated the reliability of this method by comparing the anatomically measured acetabular inclination angle of the same dry pelvic bone...

PURPOSE OF THE STUDY: The key problem of implant fixation in THR is stress distribution, i.e. load transmission between bone and implant. The closer the load transfer is to the original physiological situation, the easier the adaptation of the periprosthetic bone to the new biomechanical conditions after implantation of the cup and the safer is its longlasting fixation. The aims of the studies were 1) to get information about the physiological load transfer in the normal hip joint, 2) to get information about the load transfer between acetabulum and acetabular sockets and vice versa, 3) to measure the periacetabular pelvic bone deformation as the stimulator of the remodelling process (third stage of osseointegration) in the normal hip joint and in hip joints fitted with different acetabular cups, 4) to study the morphological stages of osseointegration of a non-cemented press-fit cup and to compare the morphological structure of the periacetabular bone with the biomechanical data obtained by the in vitro studies and finally, 5) to compare the clinical and radiological outcome of follow-up studies of the senior author's "Press-Fit cup" with the theoretical hypotheses according to the experimental observations...

OBJECTIVE: To determine the long-term effects of juvenile pubic symphysiodesis (JPS) in dysplastic puppies. STUDY DESIGN: Prospective, randomized, clinical trial. ANIMALS: Seven dysplastic Chesapeake Bay retrievers and 2 beagle-crosses (BX1 and 2). METHODS: Five puppies had JPS performed with electrocauterization at 12, 16, 20, 22, and 24 weeks of age, respectively. Two puppies served as controls. BX1 and BX2 were used to obtain biopsies of the symphysis...

The sacroiliac region is the link through which the weight of the trunk is transmitted to the legs and a region frequently indicated by patients as the site of back pain. Sacral fractures often remain undiagnosed and untreated and frequently result in neurologic symptoms and deficits. Since a systematic approach is used to analyse the pelvic ring fractures with CT scans, the surgical management of sacral fractures had become a focus of interest. Stabilization is important for survival of the patient and may improve the long-term functional results of treatment of such injuries...

This report documents our limited experience with total hip replacement requiring large bone-graft reconstruction of the acetabulum with internal fixation. Four of the 14 patients were elderly and had a fresh fracture of the acetabulum; 6 had severe loosening of the acetabular companent with non-union, necessitating plate fixation along the pelvic rim in 5 patients. Four patients had large defects after tumor resection. In only 1 of these 14 cases did loosening occur. Our results are promising and we plan to increase the use of pelvic plates in these extremely unstable cases...