DAN Member Health Survey
Status: Current Research
The DAN Member Health Survey is a research study designed to improve our knowledge of the risk factors that contribute to diving injuries. The findings will help in developing injury […]
Archives: Research Studies
Research Studies Post Type
VRAK Expedition – Effects of One Week of Repeated Recreational Closed-Circuit Rebreather Dives in Cold Water
Status: Completed Studies
Immersion, cold water, hyperoxia, exercise or the work of breathing on a Closed-Circuit Rebreather could challenge the cardiopulmonary system. The purpose of this study was to examine the impact of […]
Comparative Testing of Ultrasound Devices in Monitoring VGE
Status: Completed Studies
In some divers, tiny bubbles called Venous Gas Emboli (VGE) present in the blood after a dive. Typically, these bubbles cause no harm and are filtered out by the lungs, […]
Caustic Cocktail – DAN Rebreather Survey
Status: Completed Studies
DAN researchers asked rebreather divers to share their experiences with caustic cocktail(s) while diving and any first aid treatments used subsequently. Currently, there is not much data about how common […]
Hypoxia Signatures in Closed-Circuit Rebreather Divers
Status: Completed Studies
Daniel Popa, UCSD, Hamilton Award Recipient 2018 Malfunctions in closed circuit rebreathers (CCRs) can cause hypoxia if oxygen is not added to the breathing loop and the diver remains unaware […]
Cozumel DCS
Status: Current Research
Venous gas emboli (VGE) are bubbles that form and grow in a diver’s tissues and bloodstream during the decompression phase of the dive. Although VGE has long been associated with […]
Harvester Study
Status: Current Research
SCUBA diving involves complex processes such as decision making, memory, motor coordination, and spatial orientation. Given that human error has been attributed to nearly 90% of diving incidents, it is […]
NEW Bubble Study: Inter- and intrasubject variability in post-dive venous gas emboli
Status: Current Research
Venous gas emboli (VGE) are bubbles that can appear in the blood after a dive due to decompression. These bubbles are detectable using ultrasound imaging and provide a measure of […]
Diabetes and Diving
Status: Completed Studies
Historically, DAN advised divers with insulin-dependent diabetes against diving because of the threat of a hypoglycemic episode underwater. However, two studies helped reevaluate the guidelines for recreational diving with diabetes.
Risk Mitigation for Divers With a Known PFO
Status: Completed Studies
A PFO, or a “hole in the heart,” is a known risk factor for DCS. This study sought to determine if closing this hole in a surgical procedure would decrease the risk of DCS and compared these findings to divers that were advised to dive more conservative profiles.
