L178 SnipeRhiannonPhDThesis04Feb18_Redacted.pdf (3.81 MB)
Exertional-heat stress induced gastrointestinal perturbations: Prevention and management strategies
thesis
posted on 2019-03-27, 21:12 authored by RHIANNON MARY JADE SNIPEThis thesis explored the effects of exertional-heat stress on gastrointestinal integrity, gastrointestinal symptoms and systemic responses; and the effectiveness of novel nutrition strategies for preventing gastrointestinal perturbations. Findings show that prolonged exertional-heat stress injures the intestinal epithelium, increases gastrointestinal symptoms, and perturbs systemic responses compared to physical exertion in temperate conditions. Frequent carbohydrate and protein intake during exertional-heat stress prevents intestinal injury and reduces permeability however, protein increases gastrointestinal symptoms. Frequent cold water ingestion may attenuate intestinal injury and upper-gastrointestinal symptoms. Combining carbohydrates with cold fluids will likely be most efficacious in supporting gastrointestinal health during prolonged exertional-heat stress.
History
Principal supervisor
Ricardo Jose Da CostaAdditional supervisor 1
Helen TrubyYear of Award
2018Department, School or Centre
Nutrition and DieteticsCampus location
AustraliaCourse
Doctor of PhilosophyDegree Type
DOCTORATEFaculty
Faculty of Medicine Nursing and Health SciencesUsage metrics
Keywords
ExerciseThermoregulationgastrointestinal symptomssmall intestine permeabilitycore body temperatureintestinal fatty-acid binding proteinintestinal inflammationendotoxinanti-endotoxin antibodiescytokinaemiaendurancerunningper-coolingcarbohydratewhey proteincold waterNutritional PhysiologyExercise PhysiologyClinical and Sports NutritionSports Medicine