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Anecdotal evidence suggests the use of bolus tube feeding is increasing in the long-term home enteral tube feed (HETF) patients. A cross-sectional survey to assess the prevalence of bolus tube feeding and to characterise these patients was undertaken. Dietitians from ten centres across the UK collected data on all adult HETF patients on the dietetic caseload receiving bolus tube feeding (n 604, 60 % male, age 58 years). Demographic data, reasons for tube and bolus feeding, tube and equipment types, feeding method and patients’ complete tube feeding regimens were recorded. Over a third of patients receiving HETF used bolus feeding (37 %). Patients were long-term tube fed (4·1 years tube feeding, 3·5 years bolus tube feeding), living at home (71 %) and sedentary (70 %). The majority were head and neck cancer patients (22 %) who were significantly more active (79 %) and lived at home (97 %), while those with cerebral palsy (12 %) were typically younger (age 31 years) but sedentary (94 %). Most patients used bolus feeding as their sole feeding method (46 %), because it was quick and easy to use, as a top-up to oral diet or to mimic mealtimes. Importantly, oral nutritional supplements (ONS) were used for bolus feeding in 85 % of patients, with 51 % of these being compact-style ONS (2·4 kcal (10·0 kJ)/ml, 125 ml). This survey shows that bolus tube feeding is common among UK HETF patients, is used by a wide variety of patient groups and can be adapted to meet the needs of a variety of patients, clinical conditions, nutritional requirements and lifestyles.
This volume has its roots in two recent developments within mainstream analytic epistemology: a growing recognition over the past two or three decades of the active and social nature of our epistemic lives; and, more recently still, the increasing appreciation of the various ways in which the epistemic practices of individuals and societies can, and often do, go wrong. The theoretical analysis of these breakdowns in epistemic practice, along with the various harms and wrongs that follow as a consequence, constitutes an approach to epistemology that we refer to as non-ideal epistemology. In this introductory chapter we introduce and contextualise the ten essays that comprise this volume, situating them within four broad sub-fields: vice epistemology, epistemic injustice, inter-personal epistemic practices, and applied epistemology. We also provide a brief overview of several other important growth areas in non-ideal epistemology.
We must begin with names. ‘Tony Edwards’ is the person to whom this volume is dedicated, but it is not a name that everyone will immediately recognize, particularly those who know him only from his published work, for he has made himself known in public, from the first, as A. S. G. Edwards. When he began his career, this was the manner in which most scholars, most men at least, named themselves. Fashions have changed, and given names, one, two, or more, are now almost universal. But Tony has held on tenaciously to his initials, perhaps because he has three of them. We do not believe that he did so in any spirit of emulation of or desire to align himself with ‘Edwards A. S. G.’, the Edwards Active Strain Gauge well known to Google, an advanced form of technical engineering equipment which guarantees the vacuum conditions needed for the manufacture of certain precision instruments, such as aircraft engine turbine blades. It seems strangely apt as an analogous form of ‘A. S. G.’, whether one thinks of the ‘active strain’ involved as what he exerts upon himself or upon other people. The analogy fails, of course, when one comes to the creation of vacuum, where it works back to front, for Tony's work has essentially been to fill the vacuum that once existed in the study of manuscript history.