Chronic osteomyelitis is relatively unusual complication of intramedullary nail fixation of long bone fractures. Depending on the extent of infection, timing of diagnosis and progress of fracture healing, different treatment options have been developed. There is no hard and fast rule for the treatment of chronic osteomyelitis related to implant. Still now it is a big challenge for orthopaedic surgeons to handle such cases. Some options are very costly and time consuming. We are reporting here such a case of chronic osteomyelitis of femur fracture fixed with interlocking nail in a 23 year young man. His fracture was a closed one. Appropriate therapy for chronic osteomyelitis complicating a fracture is based on a multimodality approach even if there is no set algorithm to take in charge the two central problems related to it namely eradication of infection and fracture union. The surgical techniques and choice of fracture fixation determined according to age, weight, profession, intellectual status of patient and the expertise available. Clinical signs and investigation should alert the surgeon to the possibility of an underlying infection and appropriate measures should take quickly. It is important not to underestimate local skin irritation or signs of inflammation.
Liquefied Petroleum Gas (LPG) is used in many ranges of applications like home and industrial appliances, in vehicles and as a propellant and refrigerator. However, leakage of LPG produces hazardous and toxic impact on human begins and other living creatures. There by, the authors developed a system to monitor the LPG gas leakage and make alert to users of it. In this research, MQ-6 gas sensor is used for sensing the level of gas concentration of a closed volume; and to monitor the consequences of environmental changes an IoT platform has been introduced. Robust control along with cloud based manual control has been applied so that the gas leakage can be prevented in the response of either feedback or feedforward commands individually. It switches on the specified relays to control the level of gas concentration in the time of leakage the excess gas in times of leakage. It rechecks the value again and again if it crosses 300 ppm it will setup a relay-based switching on control mechanism using Thingspeak cloud. The controller used here is Node-MCU v:1.0. This research provides design approach on both software and hardware. Hence an embedded system comprising of Relay switches, Embedded C ++ , Gas sensor, Temperature & Humidity sensor along with Internet of Things (IoT) is fabricated to meet the objectives of the current research.
Background: Treatment of comminuted intra-articular fractures of distal radius by external fixator is an important. Objective: The aim of study was to investigate the usefulness of external fixator as a treatment option for displaced comminuted intra-articular fractures of distal radius. Methodology: This case series was conducted in the Department of orthopaedic Surgery at Shaheed Suhrawardy Medical College& Hospital, Dhaka during the period of November 2011 to July 2013. All the patients having comminuted intra-articular distal radial fractures were being treated with mini uniaxial external fixator under brachial plexus block. The average follow up was performed in about 6 month. Result: A total number of fifteen patients were enrolled for this study. The mean age with SD was 50.21±9.473. Patient outcomes were measured by modified Knirk and Jupiter score and were categorized as satisfactory and unsatisfactory groups. In this study satisfactory outcome was found in 86.0%. All fractures (100.0%) were united nicely. Few complications were encountered. Postoperative osteoarthritis was not found during follow up. Conclusion: The use of external fixator for treating the comminuted intra-articular distal radial fractures produces satisfactory result.
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