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Induction of Cerebral Arterial Gas Embolism in Rat

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Published on: October 18, 2024

Circulating venous bubbles in children after diving.

Frederic Lemaitre¹, Daniel Carturan, Claire Tourney-Chollet

¹Faculte des Sciences du Sport, University de Rouen, France.

Pediatric Exercise Science

|May 5, 2009

Summary

No circulating venous bubbles were detected in children after a single recreational scuba dive. This suggests that young divers may have a lower risk of decompression sickness during typical shallow dives.

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Breath Collection from Children for Disease Biomarker Discovery

Breath Collection from Children for Disease Biomarker Discovery

Published on: February 14, 2019

Area of Science:

Diving Medicine
Physiology

Background:

Detection of circulating venous bubbles via Doppler ultrasound is a reliable indicator of decompression safety in adult scuba divers.
A link between venous bubbles and decompression sickness risk is established in adults, but this has not been studied in young recreational divers.
Previous research has not investigated the presence of venous bubbles in children undertaking typical recreational dives.

Purpose of the Study:

To investigate the presence of circulating venous bubbles in young recreational divers after a standard scuba dive.
To assess the safety of usual diving practices for children in terms of bubble formation.

Main Methods:

Ten young recreational divers (mean age 13.1 years) participated in the study.
Divers performed a single, unmodified air dive to a depth of 12 meters for 26 minutes.
Doppler ultrasound monitoring was conducted 20 minutes before the dive and for 60 minutes post-dive at 20-minute intervals.

Main Results:

No circulating venous bubbles were detected in any of the child divers after surfacing.
The results indicate a lack of detectable bubbles under the studied diving conditions for this age group.

Conclusions:

Usual shallow recreational diving sessions do not appear to generate detectable circulating venous bubbles in children.
These findings suggest that children may tolerate standard diving profiles without significant bubble formation, potentially indicating a lower risk for decompression sickness in this context.