BackgroundThe incidence of pelvic ring fractures in the elderly significantly increased. Because of persistent pain and immobilization associated with this injury, surgical treatment is recommended. To minimise comorbidities and surgical risk, percutaneous techniques are becoming more relevant. In-screw cement augmentation of sacroiliac screw fixation is a promising procedure; however, clinical follow-up data remain scarce. This study investigated the safety and possible complications of the procedure along with a 1-year follow-up.MethodsThirty-four patients (treated with 43 screws) were prospectively included. Data on patients’ age and sex, the mechanism of accident, fracture pattern, duration of hospital stay, surgery and adverse events were recorded. Data were obtained postoperatively on the reduction of pain and complications, such as infection, cement leakage and neurological deficits, and at 1-year follow-up on pain, quality of life according to the 12-Item Short Form Survey and mobility. Implant failure was defined as retraction or dislocation of screws and was also documented.ResultsScrew-related complications occurred with 2 of 43 screws. None of these complications were related to cement augmentation. In-hospital adverse events occurred in 6 of 34 patients. Postoperative pain, measured by the visual analogue scale, was significantly reduced from 6.7 ± 1.4 preoperatively to 2.7 ± 1.0 postoperatively (p < 0.001). Although patients complained of pain at the 1-year follow-up, they reported a significant decline compared with pain at admission (3.4 ± 2.3; p < 0.001). Results on the quality of life were comparable with those for the age- and gender matched German population. All patients were mobile, and no implant failure was detected.ConclusionsThe results indicate that in-screw augmented sacroiliac screw fixation for fragility fractures of the pelvis is a safe technique. Pain was significantly reduced immediately after surgery compared to the preoperative state. Furthermore, significant pain reduction after one year compared to the preoperative state and quality of life was comparable to the age- and gender- matched German population. Thus, we recommend in-screw augmentation for screw fixation for sacral fragility fractures of the pelvis following failed conservative treatment.
BackgroundTo systematically review all available studies of operatively treated proximal tibia fractures and to report the incidence of superficial or deep infection and subsequent outcomes.MethodsA systematic review of the literature in Medline, Cochrane, Embase and GoogleScholar was conducted to identify studies with cohorts of patients with infection after surgical treatment of proximal tibia fractures. Studies were included according to predefined inclusion and exclusion criteria. The studies were analysed for methodological deficiencies and quality of outcome reporting based on the Level of Evidence (LOE) and Coleman Methodology Scoring (CMS.)ResultsIn total 32 studies were included. There was heterogeneity between the studies, in terms of subject of the studies, outcome criteria, fracture type and classification, surgical techniques and length of follow-up. Therefore, no meta-analysis could be performed. The average CMS was 54.2 (range 36–75). The included studies were 25 case series (LOE IV), 6 were prospective cohort studies (LOE III) and one was a prospective randomized trial (LOE I). 203 (12.3%, range: 2.6–45.0%) infections occurred in the overall population (n = 2063). Those were divided into 129 deep infections and 74 superficial infections. Revision due to infection was reported in 29 studies, microbiological results in 6, respectively. 72 (55,8%) of 129 cases reporting outcome after deep infection had an unsatisfactory outcome with substantial limitations of the affected joint and leg.ConclusionsPostoperative infections are a challenge, sometimes requiring several revisions and often with a worse outcome. Further studies with structured study protocols should be performed for a better understanding of risk factors to improve treatment outcomes.
Intervention: Various surgical treatments for tibial plateau fractures.Main Outcome Measurements: The primary outcome was SSI after the index operation. The secondary outcomes were the risk factors for SSI, identified using backward stepwise generalized multiple regression analysis.Results: Of the 2106 enrolled patients, 94 had deep SSIs. The average SSI rate was 4.5%. Fracture morphology revealed type B injuries in 57.5% and type C in 42.5% of the patients. Univariate regression analysis revealed that several factors, namely, number of comorbidities [.6 vs. none; odds ratio (OR) 8.01, 95% confidence interval (CI) 2.8-22.8, P , 0.001], diabetes mellitus (OR 3.5, 95% CI 2.0-6.3, P , 0.001), high body mass index (OR 1.3, 95% CI 1.1-1.6, P = 0.001), OTA/AO fracture type C (OR 5.6, 95% CI 3.3-9.5, P , 0.001), compartment syndrome (OR 9.1, 95% CI 5.7-14.8, P , 0.001), and open fracture (OR 6.6, 95% CI 3.7-11.7, P , 0.001), were associated with a significantly higher SSI risk. Analysis of microbial sensitivity tests revealed that 55.1% of the pathogens were resistant to perioperative antibiotic prophylaxis.Conclusions: Most of the identified risk factors cannot be controlled or are subject to other factors that are difficult to control. However, our data suggest that the choice of perioperative antibiotic prophylaxis may influence the rate of SSI. This possibility should be investigated in a prospective randomized controlled trial.
Purpose. Reliable data about in vivo regulation of cytokines in early ankle osteoarthritis (OA) are still missing. Methods. 49 patients with a mean age of 33 ± 14 years undergoing an arthroscopy of the ankle with different stages of chronic OA were prospectively included in a clinical trial. Lavage fluids were analyzed by ELISA. Additionally, clinical parameters and scores (FFI, CFSS, and AOFAS) were evaluated and supplemented by the Kellgren Lawrence Score (KLS) and the ankle osteoarthritis scoring system (AOSS). Results. ICRS grading of cartilage damage, previous operations, and duration of complains were strong indicators for OA progress and showed correlations to age, clinical scores, validated KLS, and AOSS (P < 0.04). Systemic and intraarticular inflammatory parameters were low in all patients. Biochemically, aggrecan and BMP-7 positively indicated OA with statistically significant associations with duration of symptoms, FFI, AOFAS, and KLS (P < 0.04). In contrast, BMP-2 levels showed statistically significant negative correlations to aggrecan or BMP-7 concentrations, which is in line with the negative association with ICRS score and KLS and the positive correlation with FFI (P < 0.03). Conclusions. We were able to identify different key markers of OA in the ankle as aggrecan, BMP-7, and BMP-2, offering starting points for new ways in diagnostics and interventional strategies.
Objective: To compare the effects of anti-gravity treadmill rehabilitation with those of standard rehabilitation on surgically treated ankle and tibial plateau fractures. Design: Open-label prospective randomized multicenter study. Setting: Three level 1 trauma centers. Subjects: Patients with tibial plateau or ankle fractures who underwent postoperative partial weight-bearing were randomized into the intervention (anti-gravity treadmill use) or control (standard rehabilitation protocol) groups. Main measures: The primary endpoint was the change in the Foot and Ankle Outcome Score for ankle fractures and total Knee injury and Osteoarthritis Outcome Score for tibial plateau fractures (0–100 points) from baseline (T1) to six weeks after operation (T4) in both groups. Leg circumference of both legs was measured to assess thigh muscle atrophy in the operated leg. Results: Thirty-seven patients constituted the intervention and 36 the control group, respectively; 14 patients dropped out during the follow-up period. Among the 59 remaining patients (mean age 42 [range, 19–65] years), no difference was noted in the Foot and Ankle Outcome Score (54.2 ± 16.1 vs. 56.0 ± 16.6) or Knee injury and Osteoarthritis Outcome Score (52.8 ± 18.3 vs 47.6 ± 17.7) between the intervention and control groups 6 weeks after operation. The change in the leg circumference from T1 to T4 was greater by 4.6 cm in the intervention group (95% confidence interval: 1.2–8.0, P = 0.005). No adverse event associated with anti-gravity treadmill rehabilitation was observed. Conclusion: No significant difference was noted in patient-reported outcomes between the two groups. Significant differences in muscular atrophy of the thigh were observed six weeks after operation.
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BackgroundPartial or complete immobilization leads to different adjustment processes like higher risk of muscle atrophy or a decrease of general performance. The present study is designed to prove efficacy of the anti-gravity treadmill (alter G®) compared to a standard rehabilitation protocol in patients with tibial plateau (group 1)or ankle fractures (group 2) with six weeks of partial weight bearing of 20 kg.Methods and DesignThis prospective randomized study will include a total of 60 patients for each group according to predefined inclusion and exclusion criteria. 1:1 randomization will be performed centrally via fax supported by the Clinical Trial Centre Leipzig (ZKS Leipzig). Patients in the treatment arm will be treated with an anti-gravity treadmill (alter G®) instead of physiotherapy. The protocol is designed parallel to standard physiotherapy with a frequency of two to three times of training with the treadmill per week with duration of 20 min for six weeks.DiscussionUp to date no published randomized controlled trial with an anti-gravity treadmill is available. The findings of this study can help to modify rehabilitation of patients with partial weight bearing due to their injury or postoperative protocol. It will deliver interesting results if an anti-gravity treadmill is useful in rehabilitation in those patients. Further ongoing studies will identify different indications for an anti-gravity treadmill. Thus, in connection with those studies, a more valid statement regarding safety and efficacy is possible.Trial registration NCT02790229 registered on May 29, 2016
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