Human urine samples are non-invasive, readily available, and contain several components that can provide useful indicators of the health status of patients. Hence, urine is a desirable and important template to aid in the diagnosis of common clinical conditions. Conventional methods such as dipstick tests, urine culture, and urine microscopy are commonly used for urinalysis. Among them, the dipstick test is undoubtedly the most popular owing to its ease of use, low cost, and quick response. Despite these advantages, the dipstick test has limitations in terms of sensitivity, selectivity, reusability, and quantitative evaluation of diseases. Various biosensor technologies give it the potential for being developed into point-of-care (POC) applications by overcoming these limitations of the dipstick test. Here, we present a review of the biosensor technologies available to identify urine-based biomarkers that are typically detected by the dipstick test and discuss the present limitations and challenges that future development for their translation into POC applications for urinalysis.
PurposeThe survey aimed to obtain opinions about a proposed implementation of pharmacy skills assessment in Korean pharmacist licensure examination (KPLE).MethodsA 16-question survey was distributed electronically to 2,738 people including 570 pharmacy professors of 35 pharmacy schools, 550 preceptors from 865 practice sites and 1,618 students who graduated in 2015. The survey solicited responses concerning the adequacy of the current KPLE in assessing pharmacy knowledge/skills/attitudes, deficiencies of pharmacy skills testing in assessing the professional competencies necessary for pharmacists, plans for pharmacy skills tests in the current KPLE, and subject areas of pharmacy practice.ResultsA total of 466 surveys were returned. The current exam is not adequate for assessing skills and attitudes according to 42%–48% of respondents. Sixty percent felt that skills test is necessary to assess qualifications and professional competencies. Almost two-thirds of participants stated that testing should be implemented within 5 years. More than 60% agreed that candidates should be graduates and that written and skills test scores can be combined for pass-fail decisions. About 70% of respondents felt that the test should be less than 2 hours in duration. Over half of the respondents thought that the assessor should be a pharmacy faculty member with at least 5 years of clinical experience. Up to 70% stated that activities related to patient care were appropriate and practical for the scope of skills test.ConclusionPharmacy skills assessment was supported by the majority of respondents.
Background: This study aimed to investigate the effects of genetic variants and haplotypes in the renin–angiotensin system (RAS) on the risk of warfarin-induced bleeding complications at therapeutic international normalized ratios (INRs). Methods: Four single nucleotide polymorphisms (SNPs) of AGT, two SNPs of REN, three SNPs of ACE, four SNPs of AGTR1, and one SNP of AGTR2, in addition to VKORC1 and CYP2C9 variants, were investigated. We utilized logistic regression and several machine learning methods for bleeding prediction. Results: The study included 142 patients, among whom 21 experienced bleeding complications. We identified a haplotype, H2 (TCG), carrying three SNPs of ACE (rs1800764, rs4341, and rs4353), which showed a significant relation with bleeding complications. After adjusting covariates, patients with H2/H2 experienced a 0.12-fold (95% CI 0.02–0.99) higher risk of bleeding complications than the others. In addition, G allele carriers of AGT rs5050 and A allele carriers of AGTR1 rs2640543 had 5.0- (95% CI 1.8–14.1) and 3.2-fold (95% CI 1.1–8.9) increased risk of bleeding complications compared with the TT genotype and GG genotype carriers, respectively. The AUROC values (mean, 95% CI) across 10 random iterations using five-fold cross-validated multivariate logistic regression, elastic net, random forest, support vector machine (SVM)–linear kernel, and SVM–radial kernel models were 0.732 (0.694–0.771), 0.741 (0.612–0.870), 0.723 (0.589–0.857), 0.673 (0.517–0.828), and 0.680 (0.528–0.832), respectively. The highest quartile group (≥75th percentile) of weighted risk score had approximately 12.0 times (95% CI 3.1–46.7) increased risk of bleeding, compared to the 25–75th percentile group, respectively. Conclusion: This study demonstrated that RAS-related polymorphisms, including the H2 haplotype of the ACE gene, could affect bleeding complications during warfarin treatment for patients with mechanical heart valves. Our results could be used to develop individually tailored intervention strategies to prevent warfarin-induced bleeding.
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