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Failure to reduce body water loss in cold-water immersion by glycerol ingestion.
Undersea Hyperb Med. 1993 Dec; 20(4):309-20.UH

Abstract

The efficacy of ingesting an aqueous glycerol solution to enhance body water retention during prolonged cold-water dives was evaluated. Nine Naval Special Warfare divers performed a 3-h dive in 13 degrees C water. Divers were assigned to either a water-treatment group (WT) or a glycerol-treatment (GT) group. WT ingested 30 ml water/kg lean body mass (LBM). GT ingested a solution consisting of 1.2 ml glycerol/kg LBM and 30 ml water/kg LBM. Blood was drawn at prehydration, 90 min after hydration, and 20 min after the 3-h dive for serum glycerol, glucose, free fatty acids, lactate, and electrolyte determinations. Fluid intake and output was recorded and urine analyzed for osmolality, electrolytes, and specific gravity. Serum glycerol values in GT were 200 times greater at posthydration than prehydration and 100 times greater at postdive than at prehydration. Urine output, total body weight loss, and non-urine weight loss during posthydration and dive sampling periods were not significantly different between treatment groups. Hyperhydration with an aqueous glycerol solution of 1.2 ml glycerol/kg LBM seems ineffective in significantly reducing body water loss in divers during prolonged cold-water immersion.

Authors+Show Affiliations

Northern Arizona University, Flagstaff 86011.No affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

8286985

Citation

Arnall, D A., and H W. Goforth. "Failure to Reduce Body Water Loss in Cold-water Immersion By Glycerol Ingestion." Undersea & Hyperbaric Medicine : Journal of the Undersea and Hyperbaric Medical Society, Inc, vol. 20, no. 4, 1993, pp. 309-20.
Arnall DA, Goforth HW. Failure to reduce body water loss in cold-water immersion by glycerol ingestion. Undersea Hyperb Med. 1993;20(4):309-20.
Arnall, D. A., & Goforth, H. W. (1993). Failure to reduce body water loss in cold-water immersion by glycerol ingestion. Undersea & Hyperbaric Medicine : Journal of the Undersea and Hyperbaric Medical Society, Inc, 20(4), 309-20.
Arnall DA, Goforth HW. Failure to Reduce Body Water Loss in Cold-water Immersion By Glycerol Ingestion. Undersea Hyperb Med. 1993;20(4):309-20. PubMed PMID: 8286985.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Failure to reduce body water loss in cold-water immersion by glycerol ingestion. AU - Arnall,D A, AU - Goforth,H W,Jr PY - 1993/12/1/pubmed PY - 2001/3/28/medline PY - 1993/12/1/entrez SP - 309 EP - 20 JF - Undersea & hyperbaric medicine : journal of the Undersea and Hyperbaric Medical Society, Inc JO - Undersea Hyperb Med VL - 20 IS - 4 N2 - The efficacy of ingesting an aqueous glycerol solution to enhance body water retention during prolonged cold-water dives was evaluated. Nine Naval Special Warfare divers performed a 3-h dive in 13 degrees C water. Divers were assigned to either a water-treatment group (WT) or a glycerol-treatment (GT) group. WT ingested 30 ml water/kg lean body mass (LBM). GT ingested a solution consisting of 1.2 ml glycerol/kg LBM and 30 ml water/kg LBM. Blood was drawn at prehydration, 90 min after hydration, and 20 min after the 3-h dive for serum glycerol, glucose, free fatty acids, lactate, and electrolyte determinations. Fluid intake and output was recorded and urine analyzed for osmolality, electrolytes, and specific gravity. Serum glycerol values in GT were 200 times greater at posthydration than prehydration and 100 times greater at postdive than at prehydration. Urine output, total body weight loss, and non-urine weight loss during posthydration and dive sampling periods were not significantly different between treatment groups. Hyperhydration with an aqueous glycerol solution of 1.2 ml glycerol/kg LBM seems ineffective in significantly reducing body water loss in divers during prolonged cold-water immersion. SN - 1066-2936 UR - https://www.unboundmedicine.com/medline/citation/8286985/Failure_to_reduce_body_water_loss_in_cold_water_immersion_by_glycerol_ingestion_ DB - PRIME DP - Unbound Medicine ER -