Heart surgery patients: one in six may face hidden diaphragm trouble

NCT ID NCT04276844

Completed Knowledge-focused Sponsor: CMC Ambroise Paré Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tracked 157 heart surgery patients to see how many still have a weak diaphragm 7 days after their operation. Using ultrasound, researchers measured diaphragm movement during breathing and sniffing. The goal is to understand how common persistent diaphragm problems are and how they relate to breathing complications after surgery.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this study could help doctors identify patients at risk for breathing problems after heart surgery and improve recovery plans.
What could go wrong: This is an observational study, not a treatment trial. It only measures the problem—it does not test any new therapy or intervention.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

respiratory paralysis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

SURGERY (CARDIAC)

Contacts and locations

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Locations

CMC Ambroise Paré

Neuilly-sur-Seine, Île-de-France Region, 92200, France

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