211 research outputs found

    Complication rates in managing hepatic trauma: a cross-sectional study stratifying their outcomes

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    Background: Liver trauma is the most commonly observed injured organ in abdominal trauma. The objectives of this study was to determine and evaluate the rates of complication in the management of liver traumaMethods: This cross-sectional observational study using non-probability convenient sampling technique was done at surgical unit of Liaquat University of Medical and Health Sciences, Jamshoro, for 06 months. After ethical approval from Institute’s Institutional Review Board (IRB), patients presenting to surgical emergency of the hospital between ages 16 to 60 years having blunt or penetrating liver trauma within 04 hours of incident, either road traffic accident, sustaining a fall, sporting injury, knife or stab wound were include while patients of liver trauma conservatively managed or had severe co-morbid, not fit for anesthesia, with multiple organs lesions (polytrauma) and all hepatic injury patients that were hemo-dynamically stable were excluded. SPSS version 23 was used for data analysis keeping p-value <0.05 as significant.Results: Among 136 patients with mean age 32.33±11.23 years, 120(88.2%) were males. 122(89.7%) of the patients were admitted due to liver trauma of blunt variety while 14(10%) with penetrating liver injury. Overall mean duration of hospital stay was 13.1±4.58 days. 41(30%) patients reported intra-abdominal sepsis, followed by recurrent hemorrhage in 33(24%) of patients while in 22(16%) of patients, biliary leakage was observed. An insignificant difference persisted in either surgical intervention in terms of the complication rates.Conclusions: Higher complication rates were observed in patients with peri-hepatic packing, however outcome of both surgical techniques in terms of complication rates were found to be insignificant. Further studies are needed to shed light upon the findings or this study

    Outcomes of surgical management of liver trauma at LUMHS Jamshoro

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    Background: Mortality from liver trauma remains high despite surgical advancements. The objective of this study was to determine the outcomes of surgical management of liver trauma at LUMHS Jamshoro.Methods: A cross-sectional observational study using non-probability convenient sampling technique was done at department of surgery LUMHS Jamshoro for 18 months. Patients between 14 to 50 years with blunt hepatic trauma presenting to the E.R. within 04 hours of incident were included and hepatic trauma patients managed conservatively, having multiple trauma and hemo-dynamically stable were excluded. SPSS version 20 was used for data analysis with mean and SD reported for qualitative and frequency and percentages for quantitative variables. Chi-square test was applied keeping p-value of < 0.05 as statistically significant.Results: From 136 patients with mean age of 32.33±1.23 years, 120 (88%) were male. 122 (89.7%) were admitted due to blunt trauma and 14 (10.3%) due to penetrating trauma. Peri-hepatic packing was performed in 116 (85.2%) and suture hepatorrhaphy in 20 (14.8%). Intra-abdominal sepsis was seen in 41 (30%) of patients followed by recurrent hemorrhage in 33 (24%) while 30 (22%) of patients died. Substantial differences (p < 0.001) were observed in terms of surgical technique and each of the complication i.e. sepsis, bile leak and recurrent hemorrhage among alive patientsConclusions: The most common post-operative complication was intra-abdominal sepsis followed by recurrent haemorrhage and bile leak. Significant mortality was observed in between type of complication as well as surgical technique

    Delignification of Rice Husk by Microwave Assisted Chemical Pretreatment

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    Rice husk has the potential to be used as a source of alternative energy e.g. as biofuel. Its high lignin content, however, poses difficulty to this use. This study investigates the use of microwave assisted acidic and alkaline pretreatment methods to improve the characteristics of rice husk for energy production. The use of microwave assisted 3.5% NaOH provided optimum pretreatment of rice husk; the lignin content was reduced from 17.8 to 10.2%, the cellulose content increased from 38.6 to 59.3% and the C/N ratio was within the optimum range of 25-35. The results showed enhanced potential of biofuel production from rice husk by this pretreatment

    Crowdsourcing platform for QoE evaluation for cloud multimedia services

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    This paper presents a novel web-based crowdsourcing platform for the assessment of the subjective and objective quality of experience (QoE) of the video service in the cloud-server environment. The user has the option to enter subjective QoE data for video service by filling out a web questionnaire. The objective QoE data of the cloud-server, network condition, and the user device is automatically captured by the crowdsourcing platform. Our proposed system collects both objective and subjective QoE simultaneously in real-time. The paper presents the key technologies used in the development of the platform and describes the functional requirements and design ideas of the system in detail. The system collects real-time comprehensive data to enhance the quality of the user experience to provide a valuable reference. The system is tested in a real-time environment and the test results are given in terms of the system performance. The crowdsourcing platform has new features of real-time network monitoring, the client device, and cloud monitoring, which currently has not been provided by existing web platforms and crowdsourcing frameworks. The results show that 1MB buffer is filled 100% very soon after starting watching videos from the crowdsourcing platform.</jats:p

    High temperature dielectric properties of Apical, Kapton, Peek, Teflon AF, and Upilex polymers

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    Reliable lightweight systems capable of providing electrical power at the magawatt level are a requirement for future manned space exploration missions. This can be achieved by the development of high temperature insulating materials which are not only capable of surviving the hostile space environment but can contribute to reducing the mass and weight of the heat rejection system. In this work, Apical, Upilex, Kapton, Teflon AF, and Peek polymers are characterized for AC and DC dielectric breakdown in air and in silicone oil at temperatures up to 250 C. The materials are also tested in terms of their dielectric constant and dissipation factor at high temperatures with an electrical stress of 60 Hz, 200 V/mil present. The effects of thermal aging on the properties of the films are determined after 15 hours of exposure to 200 and 250 C, each. The results obtained are discussed and conclusions are made concerning the suitability of these dielectrics for use in capacitors and cable insulations in high temperature environments

    Public private mix model in enhancing tuberculosis case detection in District Thatta, Sindh, Pakistan

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    To enhance the TB case detection through Public Private Mix (PPM) model by involving private practitioners in collaboration with National TB Control Program, (NTP) in district Thatta. Private practitioners (PPs) of district Thatta involved in treatment of TB cases were requested to participate in the study. All consenting physicians were provided with training on Directly Observed Treatment Short course (DOTS) module. In addition to routine cases, TB cases diagnosed by private practitioners through sputum microscopy were also registered with the district TB control program and medicines were provided by NTP. After intervention of PPM-DOTS change in Case Detection Rate (CDR) were estimated. An increased number of sputum smear positive cases were found in the intervention period--the third quarter of 2007, from 188 to 211 and CDR from 69% to 77%. The improvement in case detection rate was significant as this moderately added to the total number of cases detected from the whole of the district Thatta during the study period. Public private mix (PPM) model was effective in increasing the CDR of TB cases in district Thatta. It is recommended that the public private partnership model in Tuberculosis case detection needs to be taken on a larger scale so as to reduce the heavy TB burden in the country

    A Hydrological Response Analysis Considering Climatic Variability: Case Study of Hunza Catchment

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    The hydrological response of mountainous catchments particularly dependent on melting runoff is very vulnerable to climatic variability. This study is an attempt to assess hydrological response towards climatic variability of the Hunza catchment located in the mountainous chain of greater Hindu Kush-Himalaya (HKH) region. The hydrological response is analyzed through changes in snowmelt, ice melt and total runoff simulated through the application of the hydrological modeling system PREVAH under hypothetically developed climate change scenarios. The developed scenarios are based on changes in precipitation (Prp) and temperature (Tmp) and their combination. Under all the warmer scenarios, the increase in temperature systematically decreases the mean annual snow melt and increases significantly glacier melt volume. Temperature changes from 1°C to 4°C produce a large increase in spring and summer runoff, while no major variation was observed in the winter and autumn runoff. The maximum seasonal changes recorded under the Tmp+4°C, Prp+10% scenario

    Growth responses of NaCl stressed rice (Oryza sativa L.) plants germinated from seed in aseptic nutrient cultures supplemented with proline

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    Negative impact of salinity on plant germination is significant because of abundance of Na+ in culture medium, which causes growth inhibition. Effect of salinity (NaCl) in the presence of proline was assessed in rice (Oryza sativa L.) variety Khushbo-95 at seedling stage. Seeds were cultured on MS0 (MS basal medium), MS1 (MS0 + 100 mM NaCl) and MS2 (MS1 + 5 mM proline) for 20 days. Seedlings and its biomass decreased in saline culture. Similarly, total protein and sugar contents also decreased, while reducing sugars and proline contents increased. These parameters were observed to be slightly adverse in cultures supplemented with proline (MS2) and NaCl (MS2). Among cultures, leaf demography (cell size) was affected significantly; this may be the reflection of accumulation of proline, Na+ and Cl- and exclusion of K+ in developed rice seedlings.Key words: Oryza sativa L., seedling biomass, epidermal cells, proline content

    Quality of Experience (QoE) and Quality of Service (QoS) in UAV Systems

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    APPEAL FROM CONVICTIONS FOR UNLAWFUL POSSESSION OF METHAMPHETAMINE, A THIRD DEGREE FELONY, IN VIOLATION OF UTAH CODE ANN. §58-37-8(2)(a)(I) (1991); UNLAWFUL POSSESSION OF MARIJUANA, A CLASS B MISDEMEANOR, IN VIOLATION OF UTAH CODE ANN. §58-37-8(2)(a)(I) (1991); AND UNLAWFUL POSSESSION OF DRUG PARAPHERNALIA, A CLASS B MISDEMEANOR, IN VIOLATION OF UTAH CODE ANN. §58-37a-5 (1981), IN THE THIRD DISTRICT COURT, DIVISION 1, OF SALT LAKE COUNTY, STATE OF UTAH, THE HONORABLE TYRONE E. MEDLEY, DISTRICT COURT JUDGE, PRESIDING
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