Sport as Therapy

Introduction: Sufficient hydration of a SCUBA diver is important to reduce the risk of decompression sickness. Mechanisms of fluid loss in diving and immersion are known, but not quantified. We aimed at relating dive profiles and individual parameters to fluid loss in order to develop an estimation...

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Main Authors: Fichtner A, 3, Chekhanova A, Wuensche A, Starkloff HJ, Fieback T, Koch T
Format: Article
Language:deu
Published: Dynamic Media Sales Verlag 2021-09-01
Series:Deutsche Zeitschrift für Sportmedizin
Online Access:https://www.germanjournalsportsmedicine.com/archive/archive-2021/issue-5/fluid-loss-under-pressure-inter-and-intraindividual-variability-and-relation-to-diving-parameters-in-scuba-divers/
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author Fichtner A
3
Chekhanova A
Wuensche A
Starkloff HJ
Fieback T
Koch T
author_facet Fichtner A
3
Chekhanova A
Wuensche A
Starkloff HJ
Fieback T
Koch T
author_sort Fichtner A
collection DOAJ
description Introduction: Sufficient hydration of a SCUBA diver is important to reduce the risk of decompression sickness. Mechanisms of fluid loss in diving and immersion are known, but not quantified. We aimed at relating dive profiles and individual parameters to fluid loss in order to develop an estimation of necessary amount of fluid restoration between dives.Methods: 41 SCUBA divers with a broad spectrum of ages, sex, and bio data performed 342 single and repetitive dives on air in an open breathing system. Before and after the dives, body weight, bio data and dive profiles were recorded.Results: Average dive profile was 22.9 meters and 46.5 minutes, average weight loss was 0.8 kg after repetitive dives and 1.0 kg (1.2% relative body weight) after the first dive of the day. Significant correlations were found between relative weight loss and a single dive (no repetitive diving), younger age, dive time, non smoking, body weight and lean body mass. No significant correlation was found for air consumption, fluid intake, circulatory parameters, bio data, water temperature, and salinity.Discussion: Immersion-induced individual physiological responses are the major mechanisms leading to fluid loss in divers, since correlation with dive and biometric parameters is low. Except for small contribution from humidification of dry breathing gas, dive parameters are not suitable to determine necessary fluid replacement. Only a rough estimate of 1 liter per standard sports dive is possible.Key Words:Inert Gas Solution, Dehydration, Decompression, Immersion
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spelling doaj.art-8fc52c1a84154d398fec5346cfbae2d52023-07-04T17:04:28ZdeuDynamic Media Sales VerlagDeutsche Zeitschrift für Sportmedizin0344-59252510-52642021-09-0172523624010.5960/dzsm.2021.476309367Sport as TherapyFichtner A3Chekhanova AWuensche AStarkloff HJFieback TKoch TIntroduction: Sufficient hydration of a SCUBA diver is important to reduce the risk of decompression sickness. Mechanisms of fluid loss in diving and immersion are known, but not quantified. We aimed at relating dive profiles and individual parameters to fluid loss in order to develop an estimation of necessary amount of fluid restoration between dives.Methods: 41 SCUBA divers with a broad spectrum of ages, sex, and bio data performed 342 single and repetitive dives on air in an open breathing system. Before and after the dives, body weight, bio data and dive profiles were recorded.Results: Average dive profile was 22.9 meters and 46.5 minutes, average weight loss was 0.8 kg after repetitive dives and 1.0 kg (1.2% relative body weight) after the first dive of the day. Significant correlations were found between relative weight loss and a single dive (no repetitive diving), younger age, dive time, non smoking, body weight and lean body mass. No significant correlation was found for air consumption, fluid intake, circulatory parameters, bio data, water temperature, and salinity.Discussion: Immersion-induced individual physiological responses are the major mechanisms leading to fluid loss in divers, since correlation with dive and biometric parameters is low. Except for small contribution from humidification of dry breathing gas, dive parameters are not suitable to determine necessary fluid replacement. Only a rough estimate of 1 liter per standard sports dive is possible.Key Words:Inert Gas Solution, Dehydration, Decompression, Immersionhttps://www.germanjournalsportsmedicine.com/archive/archive-2021/issue-5/fluid-loss-under-pressure-inter-and-intraindividual-variability-and-relation-to-diving-parameters-in-scuba-divers/
spellingShingle Fichtner A
3
Chekhanova A
Wuensche A
Starkloff HJ
Fieback T
Koch T
Sport as Therapy
Deutsche Zeitschrift für Sportmedizin
title Sport as Therapy
title_full Sport as Therapy
title_fullStr Sport as Therapy
title_full_unstemmed Sport as Therapy
title_short Sport as Therapy
title_sort sport as therapy
url https://www.germanjournalsportsmedicine.com/archive/archive-2021/issue-5/fluid-loss-under-pressure-inter-and-intraindividual-variability-and-relation-to-diving-parameters-in-scuba-divers/
work_keys_str_mv AT fichtnera sportastherapy
AT 3 sportastherapy
AT chekhanovaa sportastherapy
AT wuenschea sportastherapy
AT starkloffhj sportastherapy
AT fiebackt sportastherapy
AT kocht sportastherapy