Search results for "failure"

FMEA - BASIC CONCEPT IN PRODUCT QUALITY

2018

Failure modes and effects analysis (FMEA) is a systematic procedure for analyzing a system (the entire system or just an assembly, subassembly or component) to identify potential failure modes, causes and effects of each failure on system operation. A somewhat different definition was formulated by Goddard Space Flight Center (USA) : FMEA is a procedure whereby every credible way of defeating each item from the lower decomposition level to the highest level is analyzed to determine effects on the system and classify each potential way of failure according to the severity of its effect.

Leukocyte activation markers and oxidative status in chronic kidney disease

2013

Lewosimendan - cenny gracz w leczeniu ciężkiej prawokomorowej niewydolności krążenia

2019

66-letni otyły mężczyzna, obciążony cukrzycą typu 2 i nadciśnieniem tętniczym, przewlekłą chorobą nerek w okresie 4, utrwalonym migotaniem przedsionków z bradykardią, przyjęty został na oddział kardiologii z powodu objawów ciężkiej prawokomorowej niewydolności krążenia. W leczeniu zastosowano standardową terapię, w tym złożone leczenie moczopędne. Z uwagi na jej nieskuteczność rozpoznano oporność na diuretyki i włączono do leczenia lewosimendan, uzyskując obfitą diurezę, znaczną redukcję wagi ciała i istotną poprawę wydolności krążenia, co pozwoliło na dalszą diagnostykę i adekwatne, przyczynowe leczenie zabiegowe. W artykule zarysowano ponadto aktualny stan wiedzy na temat miejsca lewosime…

Mediterranean diet impact on cardiovascular diseases: a narrative review

2017

Cardiovascular disease (CVD) accounts for more than 17 million deaths per year worldwide. It has been estimated that the influence of lifestyle on CVD mortality amounts to 13.7% for smoking, 13.2% for poor diet, and 12% for inactive lifestyle. These results deeply impact both the healthy status of individuals and their skills in working. The impact of CVD on productivity loss accounts for the 24% in total costs for CVD management. Mediterranean diet (MedD) can positively impact on natural history of CVD. It is characterized by a relatively high consumption of inexpensive and genuine food such as cereals, vegetables, legumes, nuts, fish, fresh fruits, and olive oil as the principal source of…

Thinking about industry decline : A qualitative meta-analysis and future research directions

2018

We analyze historical and longitudinal research focusing on industry decline. Our analysis suggests that the literature’s general reliance on a few meta-theoretical arguments has important consequences for how decline is framed and explained. We identify four meta-theoretical clusters in the literature: politics and market dynamics are seen as exogenous factors with deterministic features, whereas technology and management capabilities are framed as firm-internal failures with causally questionable explanations of how firm-level characteristics explain industry-level decline. We propose that it is important to understand the limitations of distinct meta-theoretical arguments for an enhanced…

Analytical and finite element analyses on reliability of carbon fibre reinforced plastics

2013

International audience

Noninvasive Ventilation in Critically Ill Patients

2015

Since its first application in the late 1980s, noninvasive ventilation (NIV) has been the first-line intervention for certain forms of acute respiratory failure. NIV may be delivered through the patient's mouth, nose, or both using noninvasive intermittent positive pressure ventilation or continuous positive airway pressure. When applied appropriately, NIV may reduce morbidity and mortality and may avert iatrogenic complications and infections associated with invasive mechanical ventilation. This article provides physicians and respiratory therapists with a comprehensive, practical guideline for using NIV in critical care. © 2015 Elsevier Inc.

Fracture stratigraphy of Mesozoic platform carbonates, Agri Valley, southern Italy

2022

The outcropping platform carbonates form a layered succession crosscut by a dense array of bed-parallel pressure solution seams and veins, oblique-to-bedding pressure solution seams, and high-angle joints, veins, and pressure solution seams. Altogether, these structural elements form sub-seismic heterogeneities that formed during the polyphase tectonic evolution of the southern Apennines fold and-thrust belt, Italy. Aiming at assessing the role exerted by the primary carbonate architecture on failure modes and fracture geometry and distribution, we conduct a multi-disciplinary study by performing stratigraphic, petrographic, mineralogical, and mesoscale structural analyses. Based on carbona…

Happy heart syndrome. frequency, characteristics, and outcome of takotsubo syndrome triggered by positive life events

2021

Background: The association with a preceding stressor is a characteristic feature of takotsubo syndrome (TTS). Negative emotions before TTS are common and led to the popular term "broken heart syndrome." In contrast, pleasant triggers ("happy heart syndrome") are rare and are scarcely investigated. Objectives: The authors analyzed the frequency, clinical characteristics, and prognostic implications of positive emotional stressors in the multicenter GEIST (GErman-Italian-Spanish Takotsubo) Registry. Methods: Patients enrolled in the registry were categorized according to their stressors. This analysis compared patients with pleasant emotional events with patients with negative emotional even…

Failure Rate, Marginal Bone Loss, and Pink Esthetic with Socket-Shield Technique for Immediate Dental Implant Placement in the Esthetic Zone. A Syste…

2021

Simple Summary The socket-shield technique has been proposed for preserving the bone ridge and surrounding soft tissues with immediate implantation in the extraction socket, maintaining the buccal wall fragment of the dental root. However, the socket-shield technique has not been compared with the conventional technique for immediate dental implant placement in the esthetic zone regarding the failure rate, marginal bone loss, and pink esthetic. Therefore, it is necessary to develop a systematic review and meta-analysis that provides evidence associated with the prognosis when using the socket-shield technique compared to the conventional technique. Abstract Aim: To compare the failure rate,…