No-Needle diagnosis: ultrasound may replace risky chest tap for fluid buildup

NCT ID NCT07513909

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

Pleural effusion is excess fluid around the lungs, and doctors need to know if it's caused by body-wide issues (like heart failure) or local problems (like infection). The usual test requires a needle to draw fluid, which carries risks. This study will check if a simple chest ultrasound can accurately tell the fluid type without any needles. Researchers will enroll 90 adults and compare ultrasound results to the standard lab test.

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 could offer a safer, non-invasive way to diagnose pleural effusion type, reducing the need for needle-based fluid sampling.
What could go wrong
This is a small, early observational study with only 90 participants. Ultrasound may not be accurate enough to replace the standard lab test, and results may not apply to all patients.

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.

Hydrothorax Pleural Effusion

As listed by the trial registrant

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

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Other studies related to the condition(s) this trial covers.