Glycemic Control and Muscle Damage in 3 Athletes With Type 1 Diabetes During a Successful Performance in a Relay Ultramarathon: A Case Report

Autor(es)

Belli, Taisa ^[1] ; de Macedo, Denise V. ^[2] ; Scariot, Pedro P. M. ^[1] ; de Araujo, Gustavo G. ^[3] ; dos Reis, Ivan G. M. ^[1] ; Lazarim, Fernanda L. ^[2] ; Nunes, Lazaro A. S. ^[2] ; Brenzikofer, Rene ^[4] ; Gobatto, Claudio A. ^[1]

Afiliação do(s) autor(es)

^[1] Univ Estadual Campinas, Sch Appl Sci, Lab Appl Sport Physiol LAFAE, Limeira, SP - Brazil

^[2] Univ Estadual Campinas, Lab Exercise Biochem LABEX, Dept Biochem, Inst Biol, Campinas, SP - Brazil

^[3] Fed Univ Alagoas UFAL, Sports Sci Res Grp, Maceio, AL - Brazil

^[4] Univ Estadual Campinas, Fac Phys Educ, Lab Instrumentat Biomech, Campinas, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: WILDERNESS & ENVIRONMENTAL MEDICINE; v. 28, n. 3, p. 239-245, SEP 2017.
• Citações Web of Science: 5

Resumo

Ultramarathon races are fairly demanding and impose substantial physiological stress on healthy athletes. These competitions may thus be considerably more challenging for individuals with diabetes. This case study aims to describe glycemic control, muscle damage, inflammation, and renal function in 3 athletes with type 1 diabetes during a successful performance in a relay ultramarathon. The team completed the race in 29 hours and 28 minutes, earning third place. The total distance covered by each athlete was 68.7, 84.5, and 65.1 km. Most blood glucose levels showed that athletes were in a zone where it was safe to exercise (90-250 mg/dL or 5.0-13.9 mmol/L). Creatine kinase, lactate dehydrogenase, and aspartate aminotransferase serum levels increased 1.2- to 50.7-fold prerace to postrace, and were higher than the reference ranges for all the athletes postrace. Blood leukocytes, neutrophils, and serum C-reactive protein (CRP) increased 1.6-to 52-fold prerace to postrace and were higher than the reference ranges for 2 athletes after the race. Serum creatinine increased 1.2-fold prerace to postrace for all the athletes but did not meet the risk criteria for acute kidney injury. In conclusion, our main findings show evidence of satisfactory glycemic control in athletes with type 1 diabetes during a relay ultramarathon. Moreover, elevation of muscle damage and inflammatory biomarkers occurred without affecting renal function and challenging the maintenance of blood glucose among athletes. These findings are novel and provide an initial understanding of the physiological responses in athletes with type 1 diabetes during ultramarathon races. (AU)

• Processo FAPESP: 09/08535-5 - Padronização e validação de testes aeróbios e anaeróbios em condições de campo e laboratório, utilizando modelos livre, atado e semi-atado, em corredores fundistas e velocistas
• Beneficiário: Claudio Alexandre Gobatto
• Modalidade de apoio: Auxílio à Pesquisa - Regular