Continuous moderate and intermittent high-intensity exercise in youth with type 1 diabetes: Which protection for dysglycemia?
Diabetes Res Clin Pract
; 210: 111631, 2024 Apr.
Article
en En
| MEDLINE
| ID: mdl-38513989
ABSTRACT
AIM:
From an early age, exercise is key to managing type 1 diabetes (T1D). However, hypoglycemia around aerobic exercise is a major barrier to physical activity in children. We explore whether intermittent high-intensity aerobic exercise (IHE), designed to mimic spontaneous childhood physical activity patterns, offers better protection against glycemic drop than continuous moderate-intensity exercise (CME).METHODS:
Five boys and 7 girls with T1D (9.8 ± 1.4y) performed ergo cycle-based randomized CME and IHE of identical duration and total mechanical load [50 %PWC170vs. 15sec(150 %PWC170)/30 sec passive recovery; both during two 10-min sets, 5 min in-between]. Capillary glycemia during exercise and interstitial glucose during recovery were compared between exercises and an inactive condition, controlling for baseline glycemia, carbohydrate and insulin.RESULTS:
The exercise-induced decrease in capillary glycemia was attenuated by 1.47 mmol·L-1 for IHE vs. CME (P < 0.05). No symptomatic hypoglycemic episodes occurred during exercises. Post-exercise time in hypoglycemia did not differ between conditions. During early recovery, CME reduced time spent > 16.7 mmol·L-1 compared with inactive days (P < 0.05; CME 0 %; IHE 16,7 %; INACTIVE 41,7 %).CONCLUSION:
IHE appeared to limit the glycemic drop compared to CME. Performing 20-min CME or IHE was not associated with increased hypoglycemic risk compared to being inactive. CME appeared even transiently protective against serious hyperglycemia.Palabras clave
Texto completo:
1
Base de datos:
MEDLINE
Asunto principal:
Diabetes Mellitus Tipo 1
/
Hipoglucemia
Idioma:
En
Revista:
Diabetes Res Clin Pract
Asunto de la revista:
ENDOCRINOLOGIA
Año:
2024
Tipo del documento:
Article