Efficacy and safety of sensor augmented insulin pump therapy with low-glucose suspend feature in older adults: A retrospective study in Bogota, Colombia

Elly Morros-González, Ana María Gómez, Diana Cristina Henao Carrillo, Valentina Ursida, Sergio Serrano, Martín Alonso Rondón Sepúlveda, Oscar Mauricio Muñoz Velandia

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

BACKGROUND AND AIMS: The literature has supported the efficacy and safety of insulin pump therapy in young adults diagnosed with type 1 diabetes (DM1). However, there is limited evidence in older adults with DM1 and DM2.

METHODS: A retrospective cohort study was conducted in patients ≥60 years-old with DM1 and DM2, who started Sensor Augmented Insulin Pump therapy with low-glucose suspend feature (SAP + LGS) at Hospital Universitario San Ignacio diabetes center in Bogotá, Colombia. Patients were evaluated between 2009 and 2019 and were treated with Paradigm VEO or Medtronic MiniMed 640 insulin pumps and continuous glucose monitoring system. Glycated hemoglobin (A1c), severe hypoglycemia and hypoglycemia unawareness were assessed at least every 3 months, and hospitalizations and ketoacidosis episodes incidence were assessed yearly.

RESULTS: 36 patients were analyzed, (67.36 ± 4.88 years-old) (body mass index 25.48 ± 4.61 kg/m2). The most common indications for starting SAP + LGS were hypoglycemia (58.3%), high glycemic variability (25.0%) and poor metabolic control (16.7%). 26 patients used VEO (72.2%) whereas 27.8% started 640 insulin pump. Data from 32 participants showed A1c decreased from 8.57 ± 1.73% to 7.42 ± 0.96 after a year of therapy (Mean difference -1.15%, p < 0.05); 28.12% reached A1c levels <7% and 42.85% < 7.5%. There was a significant decrease in the proportion of patients with at least one severe hypoglycemia (56.7 vs 3.3%), one or more hospitalizations (20 vs 3.3%), and hypoglycemia unawareness after the first year of follow-up (p < 0.05).

CONCLUSIONS: These results suggest that SAP + LGS is safe and effective in people 60 years or older after one year of therapy. Future randomized clinical trials are needed in the elderly.

Original languageEnglish
Pages (from-to)649-653
Number of pages5
JournalDiabetes & metabolic syndrome
Volume15
Issue number3
DOIs
StatePublished - 2021

Keywords

  • Aged
  • Biomarkers/blood
  • Blood Glucose/analysis
  • Blood Glucose Self-Monitoring
  • Colombia/epidemiology
  • Diabetes Mellitus, Type 1/drug therapy
  • Diabetes Mellitus, Type 2/drug therapy
  • Female
  • Follow-Up Studies
  • Glycated Hemoglobin/analysis
  • Humans
  • Hyperglycemia/epidemiology
  • Hypoglycemia/epidemiology
  • Hypoglycemic Agents/administration & dosage
  • Insulin/administration & dosage
  • Insulin Infusion Systems/standards
  • Male
  • Prognosis
  • Retrospective Studies

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