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Abstract Background Poorly controlled adolescents living with type 1 diabetes (T1D) and pump failure of insulin delivery leading to diabetic ketoacidosis (DKA) are still challenging in the western world. Aim To investigate the effect of a combination modality of long-acting insulin for basal coverage and a pump for boluses, on the incidence of DKA and glycemic parameters in pediatric and young adults with poorly controlled T1D. Methods This multicenter, observational retrospective study included 55 patients (age range 3–25 years, 52.7% males) who were treated with the combination modality for a median of 18 months (IQR)12,47, as part of their clinical care. Data were retrieved at initiation of the combined modality, after 6 months, and at last visit. Results Cohort’s median age at combination modality initiation was 14.5 years IQR12.4,17.3, and its median HbA1c level was 9.2% IQR 8.2,10.2. The main reasons for combination modality initiation were: (a) concern about sustained hyperglycemia on current management in 41.8%, (b) previous DKA episodes in 30.8%, and (c) refusal to wear a pump continuously in 14.6%. The percent of patients experiencing DKA who used the modality till end decreased from 25.4 to 8.8%. The frequency of DKA events per patient month decreased after 6 months from 0.073 (min 0, max 0.5) to 0.020 (min 0, max 0.5), p = 0.01, and at end to 0.016 (min 0, max 0.25), p = 0.007. Conclusions The combination modality of once-daily long-acting insulin and pump for boluses is safe, feasible, and effective in preventing DKA among poorly controlled young people living with T1D, unable or un-willing to use advanced closed pumps.
Barash et al. (Sat,) studied this question.