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RISS 인기검색어
- 검색키워드
- 저자 : Mohammad E. Haque (검색결과 2 건)
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Building structural health monitoring using dense and sparse topology wireless sensor network
Mohammad E. Haque,Mohammad F.M. Zain,Mohammad A. Hannan,Mohammad H. Rahman 국제구조공학회 2015 Smart Structures and Systems, An International Jou Vol.16 No.4
Wireless sensor technology has been opened up numerous opportunities to advanced health and maintenance monitoring of civil infrastructure. Compare to the traditional tactics, it offers a better way of providing relevant information regarding the condition of building structure health at a lower price. Numerous domestic buildings, especially longer-span buildings have a low frequency response and challenging to measure using deployed numbers of sensors. The way the sensor nodes are connected plays an important role in providing the signals with required strengths. Out of many topologies, the dense and sparse topologies wireless sensor network were extensively used in sensor network applications for collecting health information. However, it is still unclear which topology is better for obtaining health information in terms of greatest components, node\'s size and degree. Theoretical and computational issues arising in the selection of the optimum topology sensor network for estimating coverage area with sensor placement in building structural monitoring are addressed. This work is an attempt to fill this gap in high-rise building structural health monitoring application. The result shows that, the sparse topology sensor network provides better performance compared with the dense topology network and would be a good choice for monitoring high-rise building structural health damage.
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Effect of early and delay starting of enteral feeding in post-pancreaticoduodenectomy patients
Bidhan C. Das,Mozammel Haque,Mohammad Saief Uddin,Md. Nur-E-Elahi,Zulfiqur Rahman Khan 한국간담췌외과학회 2019 Annals of hepato-biliary-pancreatic surgery Vol.23 No.1
E Backgrounds/Aims: This study was undertaken to see the effect of early starting of enteral feeding after pancreatoduodenectomy (PD). The results were compared with existing nutritional practice in which enteral feeding started, usually after 7 to 8 postoperative day (PODs) in our institute. Methods: Thirty patients whome underwent a PD from January 2016 to December 2016 were included in the study. They were divided into two groups, I and II. In group I (n=15), enteral feeding was started from the 2<SUP>nd</SUP> POD through the nasojejunal feeding tube along with parenteral partial nutrition support. In group II (n=15), no enteral feeding was given up to seventh and eighth PODs, except the perenteral feeding. Post-operatively, serum albumin levels, total lymphocyte count, total bilirubin levels, serum alkaline phosphate levels were measured for two weeks postoperatively in all the patients for assessing nutritional, immunological and cholestasis status. The mortality, morbidity and lengths of post-operative hospital stay were also recorded. Results: Postoperatively, the serum albumin level and lymphocyte count decreased from the pre-operative level on the third POD and it gradually increased from the seventh POD onwards in both groups. However, they remained persistently higher in group I than group II. The total bilirubin and alkaline phosphatase decreased to normal levels within the seventh POD in Group I. However, they remained higher than normal levels on POD 14 in Group II. The morbidity and hospital stay was significantly lower in group I than group II. Conclusions: Early enteral feeding should be considered after PD. This is because it will improve nutritional, immunological status and cholestasis. Therefore, it reduces morbidity and shortens the hospital stay.
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