79 research outputs found
Mediterranean Style Diet and Kidney Function Loss in Kidney Transplant Recipients
Background and objectives Despite improvement of short-term graft survival over recent years, long-term graft survival after kidney transplantation has not improved. Studies in the general population suggest the Mediterranean diet benefits kidney function preservation. We investigated whether adherence to the Mediterranean diet is associated with kidney outcomes in kidney transplant recipients. Design, setting, participants, & measurements We included 632 adult kidney transplant recipients with a functioning graft for ≥1 year. Dietary intake was inquired using a 177-item validated food frequency questionnaire. Adherence to the Mediterranean diet was assessed using a nine-point Mediterranean Diet Score. Primary end point of the study was graft failure and secondary end points included kidney function decline (doubling of serum creatinine or graft failure) and graft loss (graft failure or death with a functioning graft). Cox regression analyses were used to prospectively study the associations of the Mediterranean Diet Score with study end points. Results During median follow-up of 5.4 (interquartile range, 4.9–6.0) years, 76 participants developed graft failure, 119 developed kidney function decline, and 181 developed graft loss. The Mediterranean Diet Score was inversely associated with all study end points (graft failure: hazard ratio [HR], 0.68; 95% confidence interval [95% CI], 0.50 to 0.91; kidney function decline: HR, 0.68; 95% CI, 0.55 to 0.85; and graft loss: HR, 0.74; 95% CI, 0.63 to 0.88 per two-point increase in Mediterranean Diet Score) independent of potential confounders. We identified 24-hour urinary protein excretion and time since transplantation to be an effect modifier, with stronger inverse associations between the Mediterranean Diet Score and kidney outcomes observed in participants with higher urinary protein excretion and participants transplanted more recently. Conclusions Adherence to the Mediterranean diet is associated with better kidney function outcomes in kidney transplant recipients.</p
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Smartphone multiplex microcapillary diagnostics using Cygnus: development and evaluation of rapid serotype-specific NS1 detection with dengue patient samples
Laboratory diagnosis of dengue virus (DENV) infection including DENV serotyping requires skilled labor and well-equipped settings. DENV NS1 lateral flow rapid test (LFT) provides simplicity but lacks ability to identify serotype. A simple, economical, point-of-care device for serotyping is still needed. We present a gravity driven, smartphone compatible, microfluidic device using microcapillary film (MCF) to perform multiplex serotype-specific immunoassay detection of dengue virus NS1. A novel device–termed Cygnus–with a stackable design allows analysis of 1 to 12 samples in parallel in 40 minutes. A sandwich enzyme immunoassay was developed to specifically detect NS1 of all four DENV serotypes in one 60-μl plasma sample. This test aims to bridge the gap between rapid LFT and laboratory microplate ELISAs in terms of sensitivity, usability, accessibility and speed. The Cygnus NS1 assay was evaluated with retrospective undiluted plasma samples from 205 DENV infected patients alongside 50 febrile illness negative controls. Against the gold standard RT-PCR, clinical sensitivity for Cygnus was 82% in overall (with 78, 78, 80 and 76% for DENV1-4, respectively), comparable to an in-house serotyping NS1 microplate ELISA (82% vs 83%) but superior to commercial NS1-LFT (82% vs 74%). Specificity of the Cygnus device was 86%, lower than that of NS1-microplate ELISA and NS1-LFT (100% and 98%, respectively). For Cygnus positive samples, identification of DENV serotypes DENV2-4 matched those by RT-PCR by 100%, but for DENV1 capillaries false positives were seen, suggesting an improved DENV1 capture antibody is needed to increase specificity. Overall performance of Cygnus showed substantial agreement to NS1-microplate ELISA (κ = 0.68, 95%CI 0.58–0.77) and NS1-LFT (κ = 0.71, 95%CI 0.63–0.80). Although further refinement for DENV-1 NS1 detection is needed, the advantages of multiplexing and rapid processing time, this Cygnus device could deliver point-of-care NS1 antigen testing including serotyping for timely DENV diagnosis for epidemic surveillance and outbreak prediction
Cultural Heritage Assets along Cultural Tourism Routes: A Case Study of Yang-Noeng, Nong-Phueng and Saraphi Subdistrict, Saraphi District, Chiang Mai Province
This is a cultural heritage assets research article, If a community recognizes the value of cultural heritage assets, it can affect their commercial opportunities or increase their competitive advantage This research aimed to study cultural heritage assets along cultural tourism routes with a case study of Yang-Noeng, Nong-Phuengand Saraphi Subdistrict, Saraphi District, Chiang Mai Province. This was qualitative research and data were collected from group discussions and interviews with 52 people who were key informants. The research process started with conducting a community survey to determine cultural tourism routes. After that, the potential of tourism routes was assessed. Finally, the lessons learned were given back to the community. The findings revealed that there were tangible cultural heritage assets along these cultural tourism routes as follows; 1) Phaya Kham Weir, 2) Wat Phra Non Nong Phueng and Chaisilabuddhaphirak Museum, 3) Wat Saen Luang, 4) Wat Chang Khoeng, and 5) Chiang Mai-Lamphun City Pillar Shrine and Ton-Yang-Na (Rubber Trees). In addition, intangible cultural heritage assets included local wisdom from philosophers and community traditions which could not be measured in book value were also found. However, according to the accounting principles relating to these assets, they must be compliant with government policies and accounting standards of the Ministry of Finance by disclosing the details in the notes to financial statements in accordance with financial reporting standards. Moreover, the conservation and restoration of identity to strengthen and sustain these cultural heritage assets were supported by government agencies, the private sector and educational institutions inthearea. These costs had not been taken as part of the decision-making costs of tourism stakeholders. As a result, the price of tourism services was underestimated. Therefore, the costs associated with these cultural heritage assets should be taken into account in order to further enhance the country’s economic competitiveness
Acute Kidney Injury Outcomes of Elderly and Nonelderly Patients in the Medical Intensive Care Unit of a University Hospital in a Developing Country
Background. Aging is associated with a high risk of acute kidney injury (AKI), and the elderly with AKI show a higher mortality rate than those without AKI. In this study, we compared AKI outcomes between elderly and nonelderly patients in a university hospital in a developing country. Materials and Methods. This retrospective cohort study included patients with AKI who were admitted to the medical intensive care unit (ICU) between January 1, 2012, and December 31, 2017. The patients were divided into the elderly (eAKI; age ≥65 years; n = 158) and nonelderly (nAKI; n = 142) groups. Baseline characteristics, comorbidities, principle diagnosis, renal replacement therapy (RRT) requirement, hospital course, and in-hospital mortality were recorded. The primary outcome was in-hospital mortality. Results. The eAKI group included more females, patients with higher Acute Physiology and Chronic Health Evaluation II scores, and patients with more comorbidities than the nAKI group. The etiology and staging of AKI were similar between the two groups. There were no significant differences in in-hospital mortality (p=0.338) and RRT requirement (p=0.802) between the two groups. After adjusting for covariates, the 28-day mortality rate was similar between the two groups (p=0.654), but the 28-day RRT requirement was higher in the eAKI group than in the nAKI group (p=0.042). Conclusion. Elderly and nonelderly ICU patients showed similar survival outcomes of AKI, although the elderly were at a higher risk of requiring RRT
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