PurposeIn case of residual hip dysplasia (RHD) in children, pelvic radiographs are sometimes insufficient to precisely evaluate the entire coverage of the femoral head, when trying to decide on the need for further reconstructive procedures.MethodsThis study retrospectively compares the bony and the cartilaginous acetabular angle of Hilgenreiner (HTE) of 60 paediatric hips on pelvic MRI separated in two groups. Group 1 included 31 hips with RHD defined by a bony HTE > 20°. Group 2 included 27 hips with a HTE < 20°. They were compared by introducing a new ratio calculated from the square of cartilaginous HTE above the bony HTE on frontal MRI. The normal upper limit for this acetabular angle ratio was extrapolated from the published normal values of cartilaginous HTE and bony HTE in children.ResultsThe acetabular angle ratio was statistically significantly increased in the hips with RHD with a mean value of 7.1 ± 4.7 compared to the hips in the control group presenting a mean value of 2.1 ± 1.9 (p < 0.00001).ConclusionsThis newly introduced ratio seems to be a helpful tool to orientate the further treatment in children presenting borderline RHD.
Objective: Fractures in children are common and account for 10% to 25% of injuries in children with considerable effects on activity restriction and subsequent high socioeconomically impact. Eighty percent of all fractures in children occur at the upper extremity. The article investigates the epidemiology and fracture pattern of the upper extremity within a pediatric population consulting a tertiary referral hospital in Switzerland.Methods: Study population included all patients younger than 18 years presenting with an upper extremity fracture. Recorded data were age, sex, side, season of the year, mechanism, type of fracture, and applied treatment.Results: Fractures of the upper extremities represented 76% with a mean age of 9 years and 7 months. Compared with girls, boys had a risk ratio of 1.35 (1.14-1.6) of having a traumatic injury. The radius, with 298 fractures (37%), was the most injured bone. Overall simple fall from his or her height and soccer represented the main injury mechanisms accounting for 26% and 9%, respectively. Eighty-six percent of fractures were treated by cast with or without closed reduction, 11% (92) by closed reduction and pinning or elastic stable intramedullary, and only 3% of fractures were treated by open reduction and internal fixation.Conclusions: Eighty-six percent of all fractures could be treated by conservative methods. Only 17% need surgical treatments by orthopedic surgeons. This shows how important it is to train residents in pediatrics for the treatment of upper limb fractures in children.
Introduction: Early diagnosis and early treatment have become the gold standard for management of developmental dysplasia of the hip. Surgery is required in case of failed initial treatment. Innominate pelvic osteotomy of Salter (SIO), Pemberton’s pericapsular osteotomy (PPO) and Dega’s acetabuloplasty (DA) are among the most used procedures. We performed a systematic review and meta-analysis of the past 57 years in order to assess the mid- and long-term outcome of these techniques. Methods: Studies met inclusion criteria if they: (1) reported at least 5 cases treated by 1 of the abovementioned surgical techniques; (2) included children aged between 1 and 8 years; (3) surgical indication was late detected DDH or a failed initial treatment; (4) presented a minimal follow-up of 24 months; (5) reported the radiological score of Severin and/or the clinical score of McKay. Clinical and radiological outcomes were dichotomised into favourable and unfavourable outcome and weighted summary rates were determined using meta-analysis models. Results: From a total of 7391 articles, 48 level of evidence grade IV articles were included in our review. A total of 2143 cases with a mean follow up of 112.4 months were included. Pooled Severin score indicated a statistically better outcome for PPO and DA compared to SIO ( p = 0.0003 and p = 0.002, respectively). By dichotomising the results in favourable and unfavourable outcome, PPO showed the best results ( p = 0.0002 vs. SIO, p = 0.01 vs. DA). Pooled McKay score showed a statistically better outcome for PPO and DA compared to SIO ( p < 0.0001 and p = 0.03, respectively) as well as better outcomes for PPO compared to DA ( p = 0.01). By dichotomising the results in favourable and unfavourable, PPO showed the best results. Conclusions: Even if our review demonstrates slightly better radiological and clinical results with the PPO, the currently available and limited data do not allow for clear recommendation towards one of these techniques.
Introduction Symptomatic foraminal stenosis has been observed in patients with degenerative disc disease, scoliosis, asymmetrical disc degeneration and spondylolisthesis. Nevertheless not all patients with the above pathologies will develop symptomatic foraminal stenosis. We hypothesised that symptomatic patients have anatomical predisposition to foraminal stenosis, namely a larger pedicle height (PH) to vertebral body height (VH) ratio, leaving less room below the pedicle for the exiting nerve root compared to asymptomatic patients. Patient sample 66 Patients were divided in two groups. The surgical group consisted of 37 patients (average age of 61 years) who presented with severe radicular symptoms resisting to conservative measures and requiring decompression and transforaminal lumbar interbody fusion (TLIF). The control group consisted of 29 patients (average age of 51 years) presenting with low back pain (LBP) but with no radicular symptoms and who were treated conservatively. Methods We measured VH at the level of the posterior wall as well as PH on parasagittal images (CT or MRI) on all lumbar levels (L1 to L5). Statistical analysis was performed using Student's t test.
ResultsNo difference in PH was found between the two groups for L1 to L4 levels. By contrast, there was a highly statistically significant difference in VH between the two groups from L1 to L4 level. In the surgical group, the VH was smaller (p \ 0.001). Conclusions Symptomatic patients with foraminal stenosis have smaller VH leading to lesser space beneath the pedicle and putting the exiting nerve root at risk in cases of spondylolisthesis or disc degeneration.
Intramedullary nails have gained popularity for the treatment of intertrochanteric fractures. Cephalic screw cutout, non-union, nail breakage, intraoperative fractures, and peri-implant fractures are complications of these implants and have been well described. This case report describes an unusual complication in an 89-year-old woman presenting with a femoral neck fracture with an intramedullary nail in place without implant failure or non-union after having been successfully treated three years previously for an intertrochanteric fracture.
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