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Ileal Pouch-Anal Anastomosis for Ulcerative Colitis: An Australian Institution’s Experience
Ming Han Lim,Anton R. Lord,Lisa A. Simms,Katherine Hanigan,Aleksandra Edmundson,Matthew J.F.X. Rickard,Russell Stitz,David A. Clark,Graham L. Radford-Smith 대한대장항문학회 2021 Annals of Coloproctolgy Vol.37 No.5
Purpose: We report outcomes and evaluate patient factors and the impact of surgical evolution on outcomes in consecutive ulcerative colitis patients who had restorative proctocolectomy with ileal pouch-anal anastomosis (IPAA) at an Australian institution over 26 years.Methods: Data including clinical characteristics, preoperative medical therapy, and surgical outcomes were collected. We divided eligible patients into 3 period arms (period 1, 1990 to 1999; period 2, 2000 to 2009; period 3, 2010 to 2016). Outcomes of interest were IPAA leak and pouch failure.Results: A total of 212 patients were included. Median follow-up was 50 (interquartile range, 17 to 120) months. Rates of early and late complications were 34.9% and 52.0%, respectively. Early complications included wound infection (9.4%), pelvic sepsis (8.0%), and small bowel obstruction (6.6%) while late complications included small bowel obstruction (18.9%), anal stenosis (16.8%), and pouch fistula (13.3%). Overall, IPAA leak rate was 6.1% and pouch failure rate was 4.8%. Eighty-three patients (42.3%) experienced pouchitis. Over time, we observed an increase in patient exposure to thiopurine (P=0.0025), cyclosporin (P=0.0002), and anti-tumor necrosis factor (P<0.00001) coupled with a shift to laparoscopic technique (P<0.00001), stapled IPAA (P<0.00001), J pouch configuration (P<0.00001), a modified 2-stage procedure (P=0.00012), and a decline in defunctioning ileostomy rate at time of IPAA (P=0.00002). Apart from pouchitis, there was no significant difference in surgical and chronic inflammatory pouch outcomes with time.Conclusion: Despite greater patient exposure to immunomodulatory and biologic therapy before surgery coupled with a significant change in surgical techniques, surgical and chronic inflammatory pouch outcome rates have remained stable.
Ming Han Lim(림밍한),Chanmin Park(박찬민) 한국웰니스학회 2018 한국웰니스학회지 Vol.13 No.2
익사는 사람이 물에 잠겨 호흡기의 장애를 겪는 상황에서 발생하며, 이는 전 세계적으로 의도하지 않은 부상의 원인 중에 3번째로 큰 비중을 차지한다. 대부분의 익사 상황에서 급성심정지 상황은 물에 잠긴 상태로 15분 안에 발생한다. 자동 제세동기는 급성심정지 상태의 환자에게 기본적인 생명 유지 장치이다. 총 3주 동안 12개 시설의 현장 방문을 통해 156부의 설문응답을 바탕으로 싱가포르 인명구조요원들의 자동제세동기에 대한 지식과 태도에 대한 평가를 실시하였다. 본 연구를 통하여 얻어진 결과에 따르면, 싱가포르 인명구조요원들은 일반적으로 자동제세동기에 대한 지식이 부족하고, 자동제세동기의 사용에 대하여 부정적인 태도를 가지고 있으며, 관련 법률에 대하여서도 잘 알지 못하였다. 인명구조요원에게 자동제세동기 운용 자격증을 의무화 하는 것이 자동제세동기를 사용함에 자신감을 높일 수 있게 할 것이다. 아울러, 법률적 책임으로부터 명확하게 보호 받을 수 있는 제도적 장치는 인명구조요원들의 자동제세동기 사용에 대한 의지를 높일 수 있게 할 것이다. Drowning occurs when a person suffers respiratory impairment from being submersed in liquid, and it is the 3rd largest cause of unintentional injury death globally. In most drowning situations, cardiac arrest occurs within 15 minutes of being submerged. The Automated External Defibrillator (AED) is a fundamental equipment for basic life support for sudden cardiac arrest victims. Total 156 valid surveys were collected through on-site visits carried out at 12 facilities over a 3-week period to access of qualified lifeguards’ knowledge and attitudes towards AEDs in Singapore. Results show that lifeguards in Singapore generally had poor knowledge on AEDs, a negative attitude towards AED usage and were poorly informed on AED and lifesaving legislation. Making AED certification compulsory for lifeguards would likely increase their confidence in using AEDs. Moreover, clarification regarding protection from legal liability should be provided to increase lifeguards’ willingness to use AEDs.
Lim, Soo-Jeong,Lee, Jeong-Hoon,Piao, Ming-Guan,Lee, Mi-Kyung,Oh, Dong-Hoon,Hwang, Du-Hyung,Quan, Qi-Zhe,Yong, Chul-Soon,Choi, Han-Gon 대한약학회 2010 Archives of Pharmacal Research Vol.33 No.7
The purpose of this study was to investigate the effect of sodium carboxymethylcellulose (Na-CMC) and fucidic acid on the gel characterization for the development of sodium fucidate-loaded wound dressing. The cross-linked hydrogel films were prepared with polyvinyl alcohol (PVA) and sodium carboxymethylcellulose (Na-CMC) using the freeze-thawing method. Their gel properties such as gel fraction, swelling, water vapor transmission test, morphology, tensile strength and thermal property were investigated. In vitro protein adsorption test and release were performed. Na-CMC decreased the gel fraction and tensile strength of the hydrogels, but increased the swelling ability, water vapor transmission rate, elasticity and porosity of hydrogels. Thus, the wound dressing developed with PVA and Na-CMC was more swellable, flexible and elastic than that with only PVA because of its cross-linking interaction with PVA. However, the drug had a negative effect on the gel properties of hydrogels but there were no significant differences. In particular, the hydrogel composed of 2.5% PVA, 1.125% Na-CMC and 0.2% drug might give an adequate level of moisture and build up the exudates on the wound area. Thus, this sodium fucidate-loaded hydrogel could be a potential candidate for wound dressing with excellent forming.
Dynamic Modeling of Lactic Acid Fermentation Metabolism with Lactococcus Lactis
Euh Lim Oh,Ming Shou Lu,Chang Hun Park,Han Bin Oh,Sang Yup Lee,Jin Won Lee 한국미생물 · 생명공학회 2011 Journal of microbiology and biotechnology Vol.21 No.2
A dynamic model of lactic acid fermentation using Lactococcus lactis was constructed, and a metabolic flux analysis (MFA) and metabolic control analysis (MCA) were performed to reveal an intensive metabolic understanding of lactic acid bacteria (LAB). The parameter estimation was conducted with COPASI software to construct a more accurate metabolic model. The experimental data used in the parameter estimation were obtained from an LC-MS/MS analysis and time-course simulation study. The MFA results were a reasonable explanation of the experimental data. Through the parameter estimation, the metabolic system of lactic acid bacteria can be thoroughly understood through comparisons with the original parameters. The coefficients derived from the MCA indicated that the reaction rate of L-lactate dehydrogenase was activated by fructose 1,6-bisphosphate and pyruvate, and pyruvate appeared to be a stronger activator of L-lactate dehydrogenase than fructose 1,6-bisphosphate. Additionally, pyruvate acted as an inhibitor to pyruvate kinase and the phosphotransferase system. Glucose 6-phosphate and phosphoenolpyruvate showed activation effects on pyruvate kinase. Hexose transporter was the strongest effector on the flux through L-lactate dehydrogenase. The concentration control coefficient (CCC) showed similar results to the flux control coefficient (FCC).
Lee, Ming Hong,Kim, Jae Yeon,Yoon, Jeong Hoon,Lim, Hyo Jin,Kim, Tae Hee,Jin, Changbae,Kwak, Wie-Jong,Han, Chang-Kyun,Ryu, Jae-Ha Heyden & Son 2006 Phytotherapy Research Vol.20 No.9
<P>Activated microglia by neuronal injury or inflammatory stimulation overproduce nitric oxide (NO) by inducible nitric oxide synthase (iNOS) and reactive oxygen species (ROS) such as superoxide anion, resulting in neurodegenerative diseases. The toxic peroxynitrite (ONOO<SUP>−</SUP>), the reaction product of NO and superoxide anion further contributes to oxidative neurotoxicity. A butanol fraction obtained from 50% ethanol extracts of Opuntia ficus indica var. saboten (Cactaceae) stem (SK OFB901) and its hydrolysis product (SK OFB901H) inhibited the production of NO in LPS-activated microglia in a dose dependent manner (IC<SUB>50</SUB> 15.9, 4.2 µg/mL, respectively). They also suppressed the expression of protein and mRNA of iNOS in LPS-activated microglial cells at higher than 30 µg/mL as observed by western blot analysis and RT-PCR experiment. They also inhibited the degradation of I-κB-α in activated microglia. Moreover, they showed strong activity of peroxynitrite scavenging in a cell free bioassay system. These results imply that Opuntia ficus indica may have neuroprotective activity through the inhibition of NO production by activated microglial cells and peroxynitrite scavenging activity. Copyright © 2006 John Wiley & Sons, Ltd.</P>
Human-Oriented Recognition for Intelligent Interactive Office Robot
Chia-Ming Wang,Shin-Huan Tseng,Pei-Wen Wu,Yuan-Han Xu,Chien-Ke Liao,Yu-Chi Lin,Yi-Shiu Chiang,Chung-Dial Lim,Ting-Sheng Chu,Li-Chen Fu 제어로봇시스템학회 2013 제어로봇시스템학회 국제학술대회 논문집 Vol.2013 No.10
This paper presents our new intelligent interactive robot, which is constructed to eagerly provide multi-functional services in an office environment. In order to endow a full interactive capability of our robots for realizing so-called human-robot interaction (HRI), we propose sensor fusion based human detection and tracking system and human pose estimation to deal with a number of situations which may take place in the office environment. Not only by these perceptions, human interact with the robot also by some natural way, such as touching the interface screen and talking with the robot through microphone. Finally, the effectiveness of the proposed work is tested and validated by some of experiments.
EPPY based Building Co-Simulation for Model Predictive Control of HVAC Optimization
Daniel Lee,Ming Chong Lim,Lebsework Negash,Han-Lim Choi 제어로봇시스템학회 2018 제어로봇시스템학회 국제학술대회 논문집 Vol.2018 No.10
Model Predictive Control (MPC) has received significant attention recently with its promises of enhancing energy efficiency in buildings and the most common mean of testing MPC is to integrate the controller into a high fidelity building simulation software such as EnergyPlus. Therefore, various toolboxes have been introduced to facilitate the cosimulation between EnergyPlus and MATLAB such that minimal understanding of EnergyPlus is required. However, these toolboxes can frequently be outdated and incompatible with newer releases of EnergyPlus or MATLAB, leading to unnecessary technical problems for its users. Hence, we propose a methodology for simulating controller design in EnergyPlus that can be lasting through the use of Python as a medium. Despite differences in syntax, Python and MATLAB share much similarities and shall pose little difficulty to engineers familiar with MATLAB. To verify the proposed methodology, a simulation is carried out an MPC controller designed to minimize energy consumption while guaranteeing comfort bound under an occupancy schedule. Compared to a fixed-scheduled controller, the MPC controller shows a better performance with respect to the energy consumption of the HVAC system designed in EnergyPlus.