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Ultrapure dialysis fluid: Improving conventional and daily dialysis

2004· article· en· W2156538902 on OpenAlexvenueno aff
Ingrid Ledebo

Bibliographic record

VenueHemodialysis International · 2004
Typearticle
Languageen
FieldMedicine
TopicDialysis and Renal Disease Management
Canadian institutionsnot available
Fundersnot available
KeywordsMedicineDialysisHemodialysisIntensive care medicineUltrapure waterInternal medicineEnvironmental science

Abstract

fetched live from OpenAlex

Dialysis fluid of standard quality contains a certain amount of bacteria and endotoxin. This has been considered acceptable because the dialysis membrane was believed to be a protective barrier to blood. However, improved methods for detection of cellular activation have demonstrated that bacterial products in the dialysate may stimulate monocytes to produce cytokines with most dialysis membranes. Ultrapure dialysis fluid is practically free from bacteria and endotoxin (< 0.1 CFU/mL and < 0.03 EU/mL) and can be prepared from standard-quality dialysis fluid using a single step of controlled ultrafiltration. The European guidelines for hemodialysis (HD) set the use of ultrapure dialysis fluid as the goal for all dialysis modalities. Several clinical studies report improved inflammatory status in HD patients when ultrapure dialysis fluid is used, compared with standard-quality dialysate. The benefits include less frequent occurrence of carpal tunnel syndrome, lower C-reactive protein values, reduced need for erythropoietin, better nutritional status, and even better preservation of residual renal function. For patients on daily dialysis, dialysate quality is especially important because such patients are often treated at home where quality control of incoming water may be less rigorous, and increased treatment frequency leads to exposure to larger volumes of dialysis fluid than with conventional dialysis. The use of ultrapure dialysis fluid together with low-complement-activating membranes maximizes the biocompatibility of a dialysis treatment, a goal of treatment, although there is a lack of evidence to date supporting a beneficial effect on mortality. From a physiologic point of view the reduced inflammatory stimulus that can be achieved with ultrapure dialysis fluid is highly desirable. In addition, achieving ultrapure dialysis fluid is realistic, because today it can be practically and economically prepared using modern equipment and applying appropriate microbiologic surveillance techniques.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.003
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.004
Threshold uncertainty score0.017

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0030.003
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0020.001
Science and technology studies0.0000.001
Scholarly communication0.0030.003
Open science0.0020.002
Research integrity0.0010.002
Insufficient payload (model declined to judge)0.0040.001

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.010
GPT teacher head0.250
Teacher spread0.240 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations7
Published2004
Admission routes1
Has abstractyes

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