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Background: Although conversion arthroplasty of fused hips can relieve pain and provide patient satisfaction, long-term outcomes of total hip arthroplasty (THA) after hip fusion remain a subject of debate. This meta-analysis aimed to assess the effectiveness of THA for fused hips over a long period with concerns over potential complications. Methods: A systematic search of five databases from 2000 until 2023 identified English studies evaluating THA for fused hips with at least 100 months of follow-up. Meta-analyses were conducted using random-effect models via the comprehensive meta-analysis software. Sensitivity analysis, in-depth meta-regression, Egger's test, and the trim-and-fill method were performed appropriately. Results: The meta-analysis assessed 790 patients and 889 hips with a mean follow-up of 11 years. At the final follow-up, the mean Harris Hip Score (HHS) and leg length discrepancy (LLD) improved by 34.755 and 2.3 cm from the baseline, respectively. Regarding survival of hip fusion conversion to THA, most studies (88.8%) reported a 5-year implant survival rate of at least 90%, and the 15-year and 20-year implant survival rates, ranged between 80-90% and 70-90%, respectively. Subjective dissatisfaction with the conversion of hip fusion to THA was only 5.3%. Composite rates of revision, instability, and aseptic loosening were 13.6%, 3.8%, and 8.8%, respectively. Conclusions: Conversion of fused hips to THA results in favourable long-term outcomes regarding HHS, LLD, survival rates, and subjective satisfaction, leading to improved quality of life in properly selected patients. However, the presence of complications should be considered when evaluating the overall success of the procedure.
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Rhabdomyolysis, a medical condition caused by the destruction of striated muscle fibers, can have many etiologies, with the most common one being traumatic etiologies, that is, crushing injuries, heavy exertion, and being trapped under rubbles, and so forth. Rhabdomyolysis causes many complications, including acute kidney injury and different electrolyte imbalances, which later can cause cardiac dysrhythmia and even death as a result. This systematic review and meta-analysis investigate the incidence of imbalances of four important electrolytes among patients diagnosed with traumatic rhabdomyolysis. PubMed, Scopus, Web of Science, and Embase databases were searched for any article related to traumatic rhabdomyolysis using keywords related to the topic of our study, excluding case studies and case series. Relevant data were extracted from the included articles, and finally, a meta-analysis was performed on them to calculate the pooled incidence of each electrolyte imbalance. Collectively, 32 articles were included in our study (through the database and citation checking). The following were the pooled incidence of each electrolyte imbalance: hyperkalemia, 31% (95%CI 22%-41%); hypokalemia, 10% (95%CI 4%-17%); hypernatremia, 3% (95%CI 0%-8%); hyponatremia, 23% (95%CI 7%-44%); hypercalcemia, 0% (95%CI 0%-1%); hypocalcemia, 57% (95%CI: 22%-88%); hyperphosphatemia, 33% (95%CI 11%-59%); hypophosphatemia, 4% (95%CI 0%-16%). According to the meta-analyses, the rate of hyperkalemia, hyponatremia, hypocalcemia, and hyperphosphatemia is higher than their counterpart in patients diagnosed with traumatic rhabdomyolysis.
RESUMO
Objective: This study aims to characterize the demographic, clinical, and radiological features of gunshot wound (GSW) patients as well as identify predictors of prolonged hospitalization. Methods: In this retrospective study, a consecutive sampling method was used, including all patients with GSWs in any anatomical region. Data collection included demographic and clinical information, radiological findings, treatment specifics, and outcome variables, such as hospitalization length of stay (LOS) as the primary outcome. To identify predictive factors associated with prolonged LOS, logistic regression analysis was used. Results: We studied 212 GSW cases, including 95.8% were men and 4.2% were women. The mean age of the studied group was 30.17±7.80 years. GSWs occurred in extremities (80.2%), abdomen (9.0%), thorax (4.7%), and head or neck (5.2%). Two patients (0.9%) had both abdominal and thoracic GSWs. The most prevalent radiological study was an X-ray (83.0%). Patients with head and neck GSWs had the longest emergency department stay, while patients with abdominal GSW patients had the shortest (p=0.068). The highest rates of blood product transfusion were observed in abdominal GSWs (63.2%), emergency surgery (63.2%), and ICU admission (42.1%). Head and neck GSWs had the longest hospitalization LOS (7.5 days). Longer LOS was significantly associated with abnormalities in radiological findings, receiving blood products, and ICU admission (p≤0.001). Significant predictors of prolonged LOS were major abnormalities in radiological findings [odds ratio (OR)=5.3; 95% confidence interval (CI):2.8-10.2], head and neck GSWs (OR=6.1; 95% CI:1.2-31.9), and blood product transfusion (OR=4.1; 95% CI: 1.0-16.3). Conclusion: This study provides insights into factors influencing prolonged hospitalization in GSW patients, highlighting the importance of radiological findings, head and neck injuries, and blood product transfusion.