Veterans Special Report
Decompression Sickness

Clinical Trial – Decompression Tables for Diving at Altitude

Dec 28, 2017 | , ,

The aims of this proposal are to test current USN procedures for adjusting decompression
procedures during air diving at 8,000 and 10,000 ft altitude and to provide a decompression
algorithm for no-stop dives to 100 feet of sea water (fsw) at 10,000 and 12,000 ft altitude
using enriched O2 (PO2=1.3 ATM). Additionally, the experiments will determine whether a
period of hyperbaric hyperoxia, such as would be experienced during a dive at altitude,
reverses altitude acclimatization, resulting in a return of acute mountain sickness (AMS)
symptoms.

Clinical Trial – Markers of Central Nervous System Injury in Decompression Sickness

Jun 14, 2017 | , ,

Research hypothesis

– There is a correlation between the quantity of fluid markers of CNS injury in blood and
DCS.

– There is a correlation between quantity and kind of fluid markers of CNS injury in blood
and both diving profile and severity of DCS.

– There is a correlation between the quantity of inflammatory markers in blood an DCS.

Objectives:

– Assess whether individuals suffering decompression sickness exhibit fluid markers of
central nervous system injury.

– Evaluate the correlation between quantity and kind of fluid marker of CNS injury and
clinical signs of neurological impairment.

– Evaluate the correlation between quantity and kind of fluid marker of CNS injury and
clinical outcome after 3-6 months.

– Assess whether individuals suffering decompression sickness exhibit inflammatory markers
in blood.

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