The present study was conducted to evaluate the epidemiological characteristics of the Acetabular fractures treated in a level one trauma centre of India. This study is one of the largest to provide first-hand information regarding the demography, fracture patterns, other associated injuries, and the hospital stay of acetabular fractures in India. Method: Patients admitted with the diagnosis of acetabular fractures between January 2013 and November 2019 were retrospectively analyzed in terms of demographic data such as age and sex, mechanism of injury, other associated injuries, and the duration of hospital stay. Results: A total of 305 patients with 313 fractures of the acetabulum were included in the study. Among the 305 patients, 268 (87.8%) were male and 37 (12.1%) were female, with a declining male to female ratio over the years. The mean age was 37.1 ± 13.2 years (range 14e84 years). During the seven years, the mean age of presentation progressively increased. Linear regression showed an increase from 33 to 40 years from 2013 to 2019 (R2 ¼ 0.027). Road traffic injuries were the most common mechanism of injury, contributing to about 77.4% of all cases. Associated injuries were seen in 62% of total cases with multiple system involvement in 26.6% of patients. The most frequent pattern in this epidemiological study was an isolated posterior wall fracture (21.4%) while the isolated anterior wall was the least frequent (0.95%). Conclusion: Acetabular fractures are increasing in numbers and with increasing knowledge so is their surgical management in our country. It shall be prudent to establish an integrated electronic national trauma registry to maintain complete documentation in all institutions dealing with trauma management to ascertain the changing trends of acetabular fracture patterns in the country over time.
This work is devoted to the development and validation of a subgrid model describing heat transfer between the bulk flow and moving particles undergoing phase change under the influence of forced and free convection. Such kinds of submodels play the role of “scale bridges” between microscale (e.g. interfacial heat transfer) and macroscale (e.g. bulk flow) phenomena. Applied to multiscale modelling of particulate flows with phase change phenomena, our model serves as a coupling between equations describing particle movement in Lagrangian space and the mass and heat conservation equation defining melt flow in Eulerian space. The input parameters in our model are the particulate Reynolds number (Re), the Grashof number (Gr), the Stefan number (Ste), and the Prandlt number (Pr). The model has been validated against experimental data published recently in the literature applied to the melting of ice spheres under different flow conditions. Good agreement between our model predictions and published experimental data (Shukla et al.[16] and Hao and Tao[14]) is observed.
Introduction:
To evaluate the trends of C-reactive protein (CRP) and Erythrocyte sedimentation rate (ESR) in the first three weeks after uncomplicated total hip (THR) and total knee (TKR) arthroplasty/replacement in the Indian population and to compare it with available literature.
Materials and methods:
A total of 90 patients were enrolled for this prospective study, of which 30 were unilateral THR, 30 were unilateral TKR (U/L TKR) and 30 were simultaneous bilateral TKR (B/L TKR). Serum CRP and ESR were measured on the day before surgery and post-operatively on day 1st, 2nd, 3rd, 7th, 12th, and at the end of 3rd week.
Results:
CRP showed a peak at day 2nd with normalisation to pre-operative value by the end of 3rd week. While ESR showed a peak on day 3rd and continued to remain elevated even at end of 3rd week post-operatively. Both mean CRP and ESR values were higher in THR patients followed by in B/L TKR and then in U/L TKR patients.
Conclusion:
CRP persists to be the best acute phase reactant in the early post-operative phase with a relatively typical pattern as compared to ESR. CRP values peak at post-operative day 2nd and then show a gradual decline. However, its normalisation to pre-operative baseline values may vary among different groups of population.
Study DesignProspective study.PurposeTo establish the significance of cerebrospinal fluid (CSF) nitric oxide metabolite (NOx) concentration in acute spinal cord injury (SCI) patients to assess the neurological severity and prognosis.Overview of LiteratureQuantitative analysis of specific biomarkers in CSF will assess neurological severity more accurately and permit the formulation of a more precise management plan.MethodsForty SCI patients represented the cases and 20 lower limb injury patients were the controls. NOx concentration in CSF was measured at week 1, 2, and 4 by Griess method. Magnetic resonance imaging (MRI, T2-weighted) done in each case to measure cord edema and neurological severity was assessed using the Frankel classification.ResultsCSF NOx concentration peaked at week 2 and declined to normal by week 4. The concentration remained normal in controls. Mean NOx concentration was directly proportional to the severity of acute SCI as correlated with cord edema seen in MRI and neurological severity assessed.ConclusionsCSF NOx concentration can be considered a specific quantitative biomarker in acute stage of SCI to predict the severity and prognosis of SCI patients.
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