Driving-Related Glucose Patterns Among Older Adults with Type 1 Diabetes
Authors' conclusion
Our findings support a glucose "above-5-to-drive" recommendation to avoid CGM-detected hypoglycemia among older drivers, including for prolonged drives, and highlight the importance of active CGM low-glucose alerts to prevent hypoglycemia during driving.
Study context
- Population
- Older drivers with T1D using sensor-augmented insulin pumps; median age 69 years (IQR 65–72), diabetes duration 37 years (20–45)trips by 23 drivers
- Participants
- 618 participants
- Exposure
- Pre-trip continuous glucose monitoring (CGM) >5.0 mmol/L vs ≤5.0 mmol/L
- Pre-trip CGM >5.0 mmol/Ln = 577 trips
- Pre-trip CGM ≤5.0 mmol/Ln = 41 tripsreference
- Outcome
- Trips with CGM <3.9 mmol/L during driving
Methodological details2-week run-in, sensor-augmented insulin pumps
- 2-week run-in
- Sensor-augmented insulin pumps
Main finding
As reported in the abstract
Pre-trip CGM >5.0 mmol/L
0
events
Pre-trip CGM ≤5.0 mmol/L
11
events
Observational data: associations, not effects.
Further findings
Trip duration
- Trip duration, median (IQR)
- 10 min (5-21)
- Trips <30 min
- 535; 87%
- Trips >90 min
- 9 (1.5%)
- Trips >120 min
- 3 (0.5%)
CGM alerts during driving
- CGM alerts
- 71 alerts during 60 trips (10%)
- Alerts unrelated to hypoglycemia
- 54 of 71 (76%)
Original publication
Driving-Related Glucose Patterns Among Older Adults with Type 1 Diabetes. Diabetes Technol Ther. Published 1 March 2024. doi:10. 1089/ dia. 2023. 0416
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