Component
Dyspnea during acute heart failure
Independent biological entity. Read linked claims for experimental scope and context.
1 recorded relationships. Experimental role, claim status and evidence remain attached to each record.
How nutrients influence it
Every nutrient with a recorded effect on this component, credited to the nutrient that acted rather than the chapter that recorded it. Open a nutrient to see the findings and the conditions they were measured under.
Other things that act on it
Enzymes, hormones, genes, and other components with a recorded effect. These are not nutrients, so they do not count toward the arrows above. Each finding names the chapter that recorded it.
How nutrients reach it in more than one step
Chains of two or more recorded steps that end here, grouped by the nutrient they start from. Each step is a separate finding, so a chain is a route a mechanism could take, not proof that it does.
Tracing routes…
What it does
Every recorded relationship this component is part of, grouped by its role. Plain wording comes first; the technical statement follows.
What acts on it
The acute-HF trial found no consistent benefit across dyspnea measurements or secondary outcomes in predominantly nondeficient participants.
Experimental context and source evidence
- experimental_model
- 118 evaluable participants of 130 randomized; two-day intervention.
- exposure
- 100 mg thiamine versus placebo on each of the first two evenings; outcomes eight hours after infusion; trial exposure only.
- limitations
- One sitting-on-oxygen dyspnea comparison was significant; other dyspnea measures and secondary outcomes were not. Only one participant was deficient.
- nutrient_topic
- Thiamine research collection; topical membership is not evidence of a direct dietary effect. · Thiamine (vitamin B1)
- organism
- Homo sapiens
- plain_language
- Routine supplementation did not produce a consistent symptom benefit in this population.
- primary_references
- [b1-smithline2019] Supplemental thiamine for the treatment of acute heart failure syndrome: a randomized controlled trial (2019). https://pubmed.ncbi.nlm.nih.gov/31060559/ DOI: 10.1186/s12906-019-2506-8
- tissue_or_cell_type
- Clinical symptoms
Thiamine: mechanisms, deficiency and nutrient interactions (2026-09-17) · lines 1708–1718
AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · 118 evaluable participants of 130 randomized; two-day intervention. · source_derived_draft · unverified_draft
### b1-acute-hf-limited-response The acute-HF trial found no consistent benefit across dyspnea measurements or secondary outcomes in predominantly nondeficient participants. Condition category: normal nutrient_topic: Thiamine research collection; topical membership is not evidence of a direct dietary effect. plain_language: Routine supplementation did not produce a consistent symptom benefit in this population. organism: Homo sapiens tissue_or_cell_type: Clinical symptoms experimental_model: 118 evaluable participants of 130 randomized; two-day intervention. limitations: One sitting-on-oxygen dyspnea comparison was significant; other dyspnea measures and secondary outcomes were not. Only one participant was deficient. exposure: 100 mg thiamine versus placebo on each of the first two evenings; outcomes eight hours after infusion; trial exposure only. [b1-smithline2019] Supplemental thiamine for the treatment of acute heart failure syndrome: a randomized controlled trial (2019). https://pubmed.ncbi.nlm.nih.gov/31060559/ DOI: 10.1186/s12906-019-2506-8
Complete structured claim and evidence
The events it takes part in
A mechanism often involves more than two components. These are the full events, with every participant and its role.
Situations it appears in
Low-supply and faulty-machinery situations recorded in the chapters where this component plays a part.
In the sources
Preserved passages that mention this component, quoted exactly. Open one to read it in context.
Open hypotheses
Proposed ideas that involve this component. They are labeled as hypotheses and do not change any recorded statement.
This is a research prototype built from draft material. It is not medical advice, and its statements still await verification against the original studies.