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Home-based long-term physical endurance and inspiratory muscle training in children and adults with Fontan circulation.

PMID 39376619 (2024): inspiratory muscle training, respiratory — Time to exhaustion (study note for endurance athletes).

Last updated/Feb 23, 2026, 11:13 PM

Study note • PMID 39376619

Home-based long-term physical endurance and inspiratory muscle training in children and adults with Fontan circulation.

Frontiers in cardiovascular medicine2024 • DOI 10.3389/fcvm.2024.1411758
Evidence D54/100
Action 3: Experiment carefully

Useful, but technique/population sensitive.

ELI5

In plain language

Regular physical activity is highly recommended for patients with Fontan hemodynamics. (controlled study; participants).

The abstract doesn’t indicate a clear change in Time to exhaustion under the tested conditions. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.

Takeaways

What the abstract suggests

  • Study question: Regular physical activity is highly recommended for patients with Fontan hemodynamics.
  • The abstract doesn’t indicate a clear change in Time to exhaustion under the tested conditions.
  • Population: participants.
  • Protocol cues (title/abstract): 7 days • 22 months • 10 months • 90 min • 25 min.

Protocol

Protocol (as reported)

  • Intervention/exposure: inspiratory muscle training, respiratory.
  • Dose/time/duration cues in abstract/title: 7 days • 22 months • 10 months • 90 min • 25 min.
  • Outcomes: Time to exhaustion.
  • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.

Fit

Who it helps, and who should skip it

Who it helps

  • Athletes similar to the study population (participants) working on breathing.
  • Athletes who can measure Time to exhaustion with a repeatable workout or time-trial effort.

Who should skip

  • If you have symptoms or conditions that make the intervention risky, get professional guidance.
  • If you’re near race day and can’t safely test, defer the experiment.

Methods

What the study actually did

  • Design: controlled study.
  • Population: participants.
  • Outcomes measured: Time to exhaustion.
  • Protocol cues mentioned: 7 days • 22 months • 10 months • 90 min • 25 min.
  • Source: PubMed PMID 39376619 (2024) — Frontiers in cardiovascular medicine.

Results excerpt

What the abstract reports

Fontan patients should be encouraged to perform regular home-based exercise training.

Note: excerpts are short; for full context, read the paper.

Limits

Limitations & bias

  • Abstract-only summaries can miss critical details (population, protocol, adherence, and context).
  • Single studies often don’t generalize to your event, history, and training load; treat results as a starting point.
  • If your context differs (elite vs recreational; cycling vs running), adjust expectations and be conservative.
  • This is performance information, not medical advice.

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Sources