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( Wei Ying Jen ),( Margaret L Teng ),( Wee Chuan Hing ),( Valerie Ma ),( Shridhar Ganpathi Iyer ),( Chung Cheen Chai ),( Horng Ruey Chua ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: Premixed hypotonic solutions of 0.33% saline + 5% dextrose + 10mmol/ L potassium-chloride (0.33S, tonicity 133mEq/L) and 0.9% saline ±dextrose (NS, tonicity 308mEq/L) are common peri-operative maintenance fiuids, but their effects on serum biochemistry are unclear. Methods: Using a single-centre, prospectively-maintained electronic database, we retrospectively examined post-operative biochemistry in adults maintained on exclusively 0.33S or NS peri-operatively, from March 2012 to September 2013. Outcomes included new-onset post-operative hyponatremia, hypokalaemia, hypoglycaemia, and acute kidney injury (AKI, =1.5x increase in serum creatinine); multivariate analyses were adjusted for demographics, comorbidities, surgery-types/duration, infusion time/ volumes, and hospital length-of-stay. Results: We studied 279 patients given 0.33S, and 279 NS controls matched for cumulative infusion volume. Mean age was 59(±18) years. More NS patients had diabetes mellitus, ischemic heart disease and chronic kidney disease (p<0.05). Surgery types included gastrointestinal/hepatobiliary (43%), orthopaedic (30%) and nephrectomy (3%). Mean fi uid volumes administered were 6.9(±3.3)L of 0.33S and 7.1(±5.6)L of NS (p=0.57), with 100% versus 52% of drips containing dextrose, respectively. More 0.33S patients (versus NS) developed hyponatremia (30% versus 17%, p<0.001); this difference was signifi cant for gastrointestinal/hepatobiliary (p=0.001) but not orthopaedic (p=0.74) surgeries. Less 0.33S patients (versus NS) had hypokalaemia (1% versus 10%, p<0.001), hypoglycaemia (1% versus 4%, p=0.01), and AKI (3% versus 8%, p=0.007). On multivariate analyses, 0.33S, gastrointestinal/hepatobiliary surgeries and nephrectomy were independently associated with hyponatremia; while NS, hypertension, longer infusion hours, and nephrectomy were independently associated with AKI (p<0.05). Conclusions: 0.33S infusion in post-surgical patients, especially post-gastrointestinal/ hepatobiliary surgeries, is strongly associated with hyponatremia, but with less hypokalaemia or hypoglycaemia, compared with NS. The association between NS administration and AKI is heavily confounded by baseline comorbidities and requires further prospective evaluation. Both fi uid types are not appropriate for isolated use, and more balanced maintenance fi uids are desired.
Optimization Control Method of Intelligent Cooling and Lubrication for a Geared Spindle
Kun-Ying Li,Ping-Cheng Hsieh,Jen-Ji Wang,Shih-Jie Wei 한국정밀공학회 2023 International Journal of Precision Engineering and Vol.24 No.10
The heat generated by the transmission system in the gear-driven spindle module of the machine tool not only influences the overall temperature field but also induces an excessive rise in temperature of gears tooth flank or rolling contact surface resulting in thermal deformation. In this study, high torque geared spindle was adopted to investigate a cooling control method, and an effective geared spindle cooling control method was proposed and tested. The controller of the cooling system received gear spindle load, rotational speed, and temperature of spindle to adjust the cooling flowrate, and the gas temperature of oil gas lubrication. Under spindle speed of 2000 rpm, the thermal deformations of X-axis, Y-axis, and Z-axis with cooling control are reduced by 43.7%, 46.8%, and 18.6%, respectively. The cooling control method not only can effectively control the rise in temperature of the meshing and contact friction area of the transmission system but also enables the transmission components and bearings of the geared spindle to achieve optimal cooling and lubrication effects.
Wen, Wanqing,Zheng, Wei,Okada, Yukinori,Takeuchi, Fumihiko,Tabara, Yasuharu,Hwang, Joo-Yeon,Dorajoo, Rajkumar,Li, Huaixing,Tsai, Fuu-Jen,Yang, Xiaobo,He, Jiang,Wu, Ying,He, Meian,Zhang, Yi,Liang, Jun IRL Press 2014 Human molecular genetics Vol.23 No.20
<P>Recent genetic association studies have identified 55 genetic loci associated with obesity or body mass index (BMI). The vast majority, 51 loci, however, were identified in European-ancestry populations. We conducted a meta-analysis of associations between BMI and ∼2.5 million genotyped or imputed single nucleotide polymorphisms among 86 757 individuals of Asian ancestry, followed by <I>in silico</I> and <I>de novo</I> replication among 7488–47 352 additional Asian-ancestry individuals. We identified four novel BMI-associated loci near the <I>KCNQ1</I> (rs2237892, <I>P</I> = 9.29 × 10<SUP>−13</SUP>), <I>ALDH2/MYL2</I> (rs671, <I>P</I> = 3.40 × 10<SUP>−11</SUP>; rs12229654, <I>P</I> = 4.56 × 10<SUP>−9</SUP>), <I>ITIH4</I> (rs2535633, <I>P</I> = 1.77 × 10<SUP>−10</SUP>) and <I>NT5C2</I> (rs11191580, <I>P</I> = 3.83 × 10<SUP>−8</SUP>) genes. The association of BMI with rs2237892, rs671 and rs12229654 was significantly stronger among men than among women. Of the 51 BMI-associated loci initially identified in European-ancestry populations, we confirmed eight loci at the genome-wide significance level (<I>P</I> < 5.0 × 10<SUP>−8</SUP>) and an additional 14 at <I>P</I> < 1.0 × 10<SUP>−3</SUP> with the same direction of effect as reported previously. Findings from this analysis expand our knowledge of the genetic basis of obesity.</P>
Chi‑Shih Huang,Erh‑Jen Hou,Ying‑Chou Lee,Tzong‑Huei Lee,Yi‑Jun Pan,Ta Yu,Wei‑Hsin Lin,Chun‑Han Shih,Wei‑Che Chang 한국섬유공학회 2023 Fibers and polymers Vol.24 No.12
The study was inspired by the specialized facial masks made of rayon non-woven fabrics which contained collagen peptides for improving moisturizing function. This study explored the moisturizing function of a rayon fabric containing collagen peptides extracted from tilapia fish scales under various conditions of relative humidity. This research had implications for the development of clothing that can prevent dry skin. A two-stage nested design experiment was adopted. The first-stage factor such as the fabric has two levels and the second-stage factor such as the relative humidity with three levels nested under each level of the first-stage factor. Preliminary results indicated that introducing a new variable (i.e., fabric moisturizing value, which combines the moisture regains of adsorption and desorption) would be useful. The moisturizing value of the novel rayon fabric and regular rayon fabric increased with the increase in relative humidity, and moisturizing effect of the novel rayon fabric with collagen peptides was better than that of the regular rayon fabric. Therefore, the novel rayon fabric may be suitable for preventing dry skin in winter.
Yu-Jia Lin,Hsiao-Ting Chang,Ming-Hwai Lin,Ru-Yih Chen,Ping-Jen Chen,Wen-Yuan Lin,Jyh-Gang Hsieh,Ying-Wei Wang,Chung-Chieh Hu,Yi-Sheng Liou,Tai-Yuan Chiu,Chun-Yi Tu,Yi-Jen Wang,Bo-Ren Cheng,Tzeng-Ji Ch 한국한의학연구원 2021 Integrative Medicine Research Vol.10 No.2
Background: Medical staff may have difficulties in using conventional medicine to manage symptoms among terminally ill patients, including adverse effects of the treatment. Traditional Chinese medicine (TCM) is regarded as a complementary or alternative medicine, and has been increasingly used in the field of palliative medicine in recent years. This study aimed to investigate the experiences of and attitudes toward using TCM among palliative care professionals, and to provide preliminary information about its use in palliative care. Methods: This was a cross-sectional survey study conducted in eight inpatient hospice wards in Taiwan between December 2014 and February 2016. The questionnaire was self-administered, and was analyzed with descriptive statistics including Pearson’s Chi-square test and Fisher’s exact test. Results: A total of 251 palliative care professionals responded to the questionnaire, of whom 89.7% and 88.9% believed that the use of TCM could improve the physical symptoms and quality of life in terminally ill patients, respectively. Overall, 59.8%, of respondents suggested that TCM had rare side effects, and 58.2% were worried that TCM could affect the liver and kidney function of patients. In total, 89.7% and 88.0% of professionals agreed there were no suitable clinical practice guidelines and educational programs, respectively, for TCM use in palliative care. Conclusions: Most of the respondents agreed there was insufficient knowledge, skills-training, and continuing education on the use of TCM in terminally ill patients in Taiwan. These results show that to address patient safety considerations, guidelines about use of TCM in palliative care should be established.
Chae, Jung-Woo,Chua, Peh Siang,Ng, Terence,Yeo, Angie Hui Ling,Shwe, Maung,Gan, Yan Xiang,Dorajoo, Sreemanee,Foo, Koon Mian,Loh, Kiley Wei-Jen,Koo, Si-Lin,Chay, Wen Yee,Tan, Tira Jing Ying,Beh, Sok Yu Springer-Verlag 2018 Breast cancer research and treatment Vol.168 No.3
<P>This is the first study to show that the reduction of mtDNA content in peripheral blood is associated with the onset of CRF in patients receiving chemotherapy. Further validation studies are required to confirm the findings.</P>