Holding breath during kidney stone surgery may speed up treatment

NCT ID NCT01835600

Completed Symptom relief Sponsor: Chinese Medical Association Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether briefly stopping a patient's breathing during kidney stone laser surgery could make stone removal more efficient by reducing kidney movement. 150 adults with kidney stones were randomly assigned to normal breathing, low-volume breathing, or a short breathing pause. The main goal was to see if the pause improved how fast stones were broken down, while checking safety with blood gas tests and heart monitoring.

What this could mean

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

Active substance: transient apnea (temporary pause in breathing during surgery)
What this could lead to: If it works, this could make kidney stone surgery faster and more effective by reducing kidney movement during laser treatment.
What could go wrong: This is a small, single-center study with 150 patients, so results may not apply to everyone. Pausing breathing carries risks like low oxygen or carbon dioxide buildup.

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.

Kidney Calculi nephrolithiasis

As listed by the trial registrant

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

KIDNEY STONES RENAL CALCULI

Contacts and locations

Locations

Changhai Hospital, Naval Medical University

Shanghai, Shanghai Municipality, 200433, China

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