In the age of connected health, continuous glucose monitoring (CGM) has transformed from a tool for glycemic control into something more: a real-time indicator of healing potential. A recent pilot study in Wound Repair and Regenerationunderscores just how tightly glycemic stability—especially time in range (TIR)—is linked to wound outcomes in people with diabetic foot ulcers (DFUs).
This prospective study tracked patients with type 2 diabetes and grade I-II, stage A-C DFUs, using CGM from baseline to complete ulcer closure. The results? An inverse correlation between time in range and healing duration (p = 0.005), suggesting that patients with better glycemic stability healed significantly faster. Time above range and Glucose Management Indicator (GMI) both positively correlated with slower healing (p < 0.05).
While the sample size was modest, the implications are compelling. CGM-derived metrics may serve not only as targets for metabolic control—but also as surrogates for predicting tissue repair trajectories. This brings us one step closer to a future in which real-time data guides not just diabetes care, but wound care.
As we continue to integrate digital diagnostics into our standard workflows, this study supports the idea that glycemic precision—achieved in daily life, not just in the clinic—may be a meaningful lever for reducing time to healing and ultimately, amputation risk.
📈 Healing, it seems, may be best monitored in milligrams per deciliter.
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