نتایج جستجو برای: failure criteria
تعداد نتایج: 615010 فیلتر نتایج به سال:
BACKGROUND Routine laboratory monitoring is part of the basic care package offered to people living with the Human Immunodeficiency Virus (PLHIV). This paper aims to identify the proportion of PLHIVs with clinical and immunological failure who are virologically suppressed and risk being misclassified as treatment failures. METHODS A retrospective analysis of patient viral load data collected ...
conclusions the abovementioned ivc ultrasonographic criteria for hemodynamic congestion appear clearly inconsistent. alternatively, a sequential or simultaneous combination of clinical scores of congestion, ivc ultrasonographic indices, and circulating levels of natriuretic peptides could be warranted. background among the indices able to replace invasive central venous pressure (cvp) measureme...
INTRODUCTION WHO proposes a set of organ-failure based criteria for maternal near miss. Our objective was to evaluate what implementation of these criteria would mean for the analysis of a cohort of 386 women in Thyolo District, Malawi, who sustained severe acute maternal morbidity according to disease-based criteria. METHODS AND FINDINGS A WHO Maternal Near Miss (MNM) Tool, created to compar...
The familiar market failure model remains quite useful for issues of price efficiency and traditional utilitarianism, but has many shortcomings as an aid to understanding the public value aspects of public policy and management. In developing a public value failure model, I present diagnostic criteria for values problems not easily addressed by market failure models. Public value failure occurs...
Conditions for which strain-based and stress-based failure criteria are mathematically equivalent in elastic media are explored by expressing the criteria in the spectral eigenspace of the elasticity tensor. For scalar-valued quadratic criteria that are homogeneous functions of degree one, stressbased and strain-based criteria are most likely to be mathematically equivalent when the criteria’s ...
The authors present the Minnesota Heart Failure Criteria (MHFC), derived using latent class analysis from widely available items in the Framingham Criteria. The authors used 1995 and 2000 data on hospitalized Minnesota Heart Survey subjects discharged after myocardial infarction or heart failure (N = 7,379). Selected Framingham Criteria variables (dyspnea, pulmonary rales, cardiomegaly, interst...
In this paper, a finite element model is presented for the transient analysis of low velocity impact, and the impact induced damage in the composite plate subjected to low velocity impact is studied. The failure criteria suggested by Choi and Chang and the Tsai-Hill failure criteria are used for the prediction of the damage in the composite plate; then the effect of various parameters on the im...
This paper investigates the effects of unequal compressive and tensile moduli of carbon fibre reinforced plastic (CFRP) composites. The basic assumption is based on the statistics that the compressive modulus is a fraction lower than the tensile modulus. Data evaluated by Finite Element Analysis (FEA) model, Classical Laminate Theory (CLT) model, and experiment are used to investigate these eff...
OBJECTIVE We systematically reviewed the performance of 2010 WHO immunologic and clinical criteria for predicting virologic failure in HIV-infected patients on antiretroviral therapy (ART). DESIGN Systematic review. METHODS We used Cochrane Collaboration methods. We calculated unweighted sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of immuno...
Determining the caving height in block method requires considering a suitable criterion discussed this study. The comparison between different criteria and choosing appropriate for use rock mass cavability study is main idea of study, which has not been investigated previous studies. In paper, through FEM (Finite Element Method) software, area undercutting stages was calculated using displaceme...
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