The aim of the article is to present the medium-term results of surgical treatment of Schatzker's IV, V, and VI tibial plateau fractures, in a retrospective study of 22 patients at a level-1 trauma center. Twenty-two of 34 patients with Schatzker's IV–VI fractures completed follow-up at a mean of 56 months (range: 7–103 months). Patients' mean age was 47.6 years (range: 18–76 years). Open reduction and internal fixation were performed in 16 patients, while external fixators were used in the remaining six patents. Patients were assessed radiologically for the presence of arthritis using the Kellgren–Lawrence scale. Functional outcomes were measured using the Lysholm's knee score, knee injury, and osteoarthritis outcome score (KOOS). Quality of life was also assessed postoperatively using the EuroQol-5D (EQ-5D) form and EQ-VAS (visual analogue scale) score. There were no postoperative infections and no fracture went on to nonunion. Absence of arthritic change was noted in only 6.3% of cases. The average KOOS score was 80 and the average Lysholm's score was 84.91. Regarding the postoperative quality of life, mobility was impaired in 45.5%, self-care in 27.3%, and usual activities in 36.3% of patients. Pain or discomfort was reported in 77.2% and anxiety or depression in 40.9% of cases. The mean VAS score was 77.8. Eighty percent of patients had returned to their previous activities at the time of last follow-up. Although complex tibial plateau fractures are associated with a high rate of complications and can have a severe impact on the injured knee, most patients had quite satisfactory results during their medium-term clinical evaluation, in our study. It is a Level IV case series study.
Introduction Monitoring the progress of fracture healing is essential in order to establish the appropriate timing that ensures adequate bone strength for weight-bearing. In the present experimental study on a rat model of femoral fracture healing, the measurement of bone density and strength by peripheral quantitative computerized tomography (pQCT) was correlated with the modal damping factor (MDF) method. Methods Four groups of 12 male six-month-old Wistar rats each were anesthetized and submitted to baseline femoral pQCT and MDF scanning, followed by aseptic midshaft osteotomy of the right femur which was fixed by a locking intramedullary nail technique. The animals were left to recover and re-scanned following euthanasia of each group after six, eight, 10, and 12 weeks, respectively. The parameters measured by the pQCT method were total bone mineral density (BMD) and polar strength strain index (SSIp). Results Fracture healing progressed over time and at 12 weeks post-osteotomy there was no statistically significant difference between the osteotomized right and the control left femurs regarding MDF, BMD, and SSIp measurements. The highest correlations for the osteotomized femurs were observed between MDF and BMD (r =-0.647, P = 0.043), and between MDF and SSIp (r =-0.350, P = 0.321), at 10 weeks postoperatively. The high to moderate correlations between MDF and BMD, and between MDF and SSIp respectively, support the validity of MDF in assessing fracture healing. Conclusions Based on our findings in this fracture healing animal model, the results from the MDF method are reliable and correlate highly with the total BMD and moderately with the SSI polar values obtained by the pQCT method of bone quality measurement. Further studies are needed which may additionally support that the MDF method can be an attractive portable alternative to monitor fracture healing in the community.
Pigmented villonodular synovitis (PVNS) is a benign idiopathic proliferative disorder that results in villous and/or nodular formations in the joints, tendon sheaths and bursae. We report a case of PVNS in a 12 year old female child with monoarticular involvement of the calcaneocuboid joint, an unusual location for this disease. The patient was treated successfully with open excision of the lesion and followed up for 4 years. We also present a concise literature review on diagnostic and treatment options for this rare synovial pathology.
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