Objectives: Fractures are prevalent injuries in children. Forearm fractures include 25% of children fractures. Although low level of 25 (OH) vitamin D3 is related with less bone density and more risk of fractures due to osteoporosis in adults, not enough data are available on the relationship between decreased levels of 25 (OH) vitamin D3 and the risk of forearm fracture in children. Methods:The current observational, analytic study included 30 children within the age range of 2 to 15 years with the verified fracture of both forearm bones. The recorded data included age, gender, the broken hand, and the educational status of parents. Moreover, the levels of serum 25-hydroxy vitamin D3, calcium, and phosphorus were measured in all subjects. The normal children (n = 54) without the history of fracture were considered as controls. Results:The case group consisted of 21 males (70%) and 9 females (30%) and control group included 28 males (51.9%) and 26 females (48.1%). The mean age of the children with and without forearm fractures was 6.8 ± 3.17 and 6.96 ± 3.57 years, respectively. There were no significant differences between the groups in terms of gender, age, the broken hand, and father's education (P > 0.05).Serum 25 (OH) vitamin D3 level was 17.22 ± 13.42 ng/mL for the case group and 17.88 ± 11.21 ng/mL for the control group. These levels for serum calcium and phosphorus were 9.88 ± 0.44 and 5.02 ± 0.56 mg/dL for the cases, and 9.64 ± 0.44 and 4.72 ± 0.72 mg/dL for the controls, respectively (P > 0.05). Conclusions:The results of the current study showed no relationship between the levels of serum vitamin D, calcium, and phosphorus as well as age, gender, broken hand, and parents' educational status and fracture of both bones of forearm. Larger studies with more variables are recommended.
Background: Revision total hip arthroplasty (RTHA) is one of the critical topics in the orthopedic surgery. In this single center case series, the revision treatment of cases with acetabular defects following total hip arthroplasty is reported. Methods: A total of 25 patients with acetabular defects were enrolled in this case series held in Imam Hossein Hospital, Tehran, Iran. The mean follow-up of patients was three years (24 -42 months). The illustrated data include a history of surgeries, underlying diseases, acetabular defect classification, surgery procedure, and pre-and post-surgery complications and managements, Harris hip score (HHS), leg length discrepancy (LLD). Results:The mean age of patients was 63.8 ± 10.45 years. A total of 14 patients had two previous surgeries, eight patients had three surgeries, and three patients had four previous surgeries. Classification of bone loss using AAOS showed that four patients had grade III and 21 patients had grade IV acetabular bone loss. The RTHA was done using anti-protrusio in 12 patients and large cups in 13 patients. The mean Harris hip score was 22.16 before RTHA, which was 80.6 after revision surgery. Before the operation, the mean leg length discrepancy was 38.84 mm, which was corrected after surgery to an average of 3.56 mm. Conclusions: Extensive evaluation of patients with acetabular defects before and during revision surgery leads to promising results. Larger studies evaluating the management strategy in patients with acetabular defects are needed.
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