Deterioration of Lipid Metabolism Despite Fitness Improvements in Wildland Firefighters.

Rosales, Alejandro M; Dodds, Patrick S; Hailes, Walter S; Sol, Joseph A; Coker, Robert H; Quindry, John C; Ruby, Brent C

Rosales, Alejandro M; Dodds, Patrick S; Hailes, Walter S; Sol, Joseph A; Coker, Robert H; Quindry, John C; Ruby, Brent C.

Afiliación

Rosales AM; Montana Center for Work Physiology and Exercise Metabolism (Mr Rosales, Mr Dodds, Mr Hailes, Dr Ruby); Cardio Protection Laboratory (Dr Quindry), The University of Montana; Integrative Physiology Laboratory, Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, Alaska (Dr Coker); National Technology and Development Program, United States Department of Agriculture Forest Service (Mr Sol), Missoula, Montana.

J Occup Environ Med ; 64(5): 385-389, 2022 05 01.

Article en En | MEDLINE | ID: mdl-34817456

RESUMEN

OBJECTIVE: Determine serum lipid and general health/fitness alterations following a 5-month wildfire suppression season. METHODS: We recruited 100 wildland firefighters (WLFFs) to a 5-month pre- to post-season observational study. Nude body mass, blood pressure (BP), grip strength, and steptest heart rate (HR) were recorded. Blood samples were collected for lipid panel analysis (total cholesterol, high density lipoproteins (HDL)-cholesterol, low density lipoproteins-cholesterol, very low density lipoproteinscholesterol, triglycerides, triglyceride:HDL-cholesterol ratio). Two-tailed dependent t tests determined statistical significance (Pâ<â0.05). RESULTS: There were pre- to post-season changes in nude body mass (+2â±â4%, Pâ =â0.001), systolic BP (-2â±â10%, Pâ =â0.01), step-test HR (-5â±â10%, Pâ <â0.001), and all serum lipids (total cholesterol: +5â±â14%, Pâ =â0.02, HDL-cholesterol:â=â1â±â17%, Pâ =â0.04, low density lipoproteins-cholesterol: +8â±â22%, Pâ =â0.02, very low density lipoproteins-cholesterol: +31â±â49%, Pâ <â0.001, triglycerides: +30â±â49%, Pâ <â0.001, triglyceride:HDL-cholesterol ratio: +37â±â58%, Pâ <â0.001). Pre- to post-season diastolic BP (Pâ=â0.12) and grip strength (Pâ=â0.60) remained stable. CONCLUSIONS: WLFFs demonstrate maladaptive serum lipids and body mass alterations despite subtle aerobic fitness improvements.

Asunto(s)

Bomberos; Metabolismo de los Lípidos; Aptitud Física; HDL-Colesterol; LDL-Colesterol; Humanos; Triglicéridos; Incendios Forestales

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Aptitud Física / Bomberos / Metabolismo de los Lípidos Tipo de estudio: Observational_studies Límite: Humans Idioma: En Revista: J Occup Environ Med Asunto de la revista: MEDICINA OCUPACIONAL / SAUDE AMBIENTAL Año: 2022 Tipo del documento: Article Pais de publicación: Estados Unidos

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