Physiological responses to prolonged saturation diving: a field based pilot study

Deb, S., Burgess, K., Swinton, P. and Dolan, E. 2017. Physiological responses to prolonged saturation diving: a field based pilot study. Undersea and Hyperbaric Medicine: journal of the Undersea and Hyperbaric Medical Society. 44 (6), pp. 581-587. doi:10.22462/11.12.2017.9

TitlePhysiological responses to prolonged saturation diving: a field based pilot study
TypeJournal article
AuthorsDeb, S., Burgess, K., Swinton, P. and Dolan, E.
Abstract

This study aimed to assess the effect of extreme environmental exposure during an operational saturation dive on airway inflammation (exhaled nitric oxide (FeNo)), components of fitness (flexibility and aerobic capacity) and blood haematological variables. Six saturation divers, who undertook a 26 ± 0.5 day operational saturation dive were recruited to take part in this study. Participants completed a field based repeated measure test battery on three occasions (pre, post and 24hr post saturation dive). Haemoglobin mass was significantly (p < 0.001) reduced from pre (15.3 ± 0.8 g/dL) to post saturation (14.25 ± 1.2 g/dL) dive but recovered towards baseline values within 24 hrs (15.13 ± 1.03 g/dL; p = 0.04). Similarly, a reduction in plasma volume was observed in all participates from pre to post saturation dive trials. Airway inflammation response was non-significant, although a large inter-individual response was evident. Hip flexion, assessed by the sit and reach test did not change following the saturation dive. Data on aerobic capacity, was only collected in one participant, due to practical difficulties in participant access. In summary, this is the first investigation to conduct a multiple-component field based study on operational saturation divers. The findings for this exploratory study present interesting groundings for further investigation.

Journal Undersea and Hyperbaric Medicine: journal of the Undersea and Hyperbaric Medical Society
Journal citation44 (6), pp. 581-587
ISSN1066-2936
Year2017
PublisherUndersea and Hyperbaric Medical Society
Digital Object Identifier (DOI)doi:10.22462/11.12.2017.9
PubMed ID29281195
Publication dates
PublishedNov 2017

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